yii php 图片上传与生成缩略图
今天需要做图片上传与生成缩略图的功能，把代码进行记录如下：
html 视图 ($pic_action_url = $this->createAbsoluteUrl('home/upload');)
<!DOCTYPE HTML>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script type="text/javascript" src="<{$front_public}>js/plugins/ajaxupload/jquery.1.8.js"></script>
<script type="text/javascript" src="<{$front_public}>js/plugins/ajaxupload/ajaxupload.js"></script>
</head>
<body>
<div id="content">
<p class="author"></p>
<p class="blog"><a href="#">Blog</a></p>
</div> <!-- 图像上传start -->
<div class="divMain">
<button id="upload" action_url="<{$pic_action_url}>">文件上传</button>
<div class="content"></div>
</div>
<!-- 图像上传end --> <script type="text/javascript">
/*
ajaxupload上传
*/
$(document).ready(function(){
var button = $('#upload'), interval;
var fileType = "all",fileNum = "one";
new AjaxUpload(button,{
action: $('#upload').attr('action_url'),
name: 'userfile',
onSubmit : function(file, ext){
if(fileType == "pic")
{
if (ext && /^(jpg|png|jpeg|gif)$/.test(ext)){
this.setData({
'info': '文件类型为图片'
});
} else {
$('<li></li>').appendTo('.files').text('非图片类型文件，请重传');
return false;
}
}
button.text('文件上传中');
if(fileNum == 'one')
this.disable();
interval = window.setInterval(function(){
var text = button.text();
if (text.length < 14){
button.text(text + '.');
} else {
button.text('文件上传中');
}
}, 200);
},
onComplete: function(file, response){//上传成功的函数；response代表服务器返回的数据
//清楚按钮的状态
button.text('文件上传');
window.clearInterval(interval);
this.enable();
//修改下方div的显示文字
console.log(response);
if('success'==response){
$(".content").text("上传成功");
}else{
$(".content").text("上传失败");
}
}
});
});
</script>
</body> </html>
jquery.1.8.js
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c.top-=parseFloat(p.css(a,"marginTop"))||0,c.left-=parseFloat(p.css(a,"marginLeft"))||0,d.top+=parseFloat(p.css(b[0],"borderTopWidth"))||0,d.left+=parseFloat(p.css(b[0],"borderLeftWidth"))||0,{top:c.top-d.top,left:c.left-d.left}},offsetParent:function(){return this.map(function(){var a=this.offsetParent||e.body;while(a&&!c$.test(a.nodeName)&&p.css(a,"position")==="static")a=a.offsetParent;return a||e.body})}}),p.each({scrollLeft:"pageXOffset",scrollTop:"pageYOffset"},function(a,c){var d=/Y/.test(c);p.fn[a]=function(e){return p.access(this,function(a,e,f){var g=c_(a);if(f===b)return g?c in g?g[c]:g.document.documentElement[e]:a[e];g?g.scrollTo(d?p(g).scrollLeft():f,d?f:p(g).scrollTop()):a[e]=f},a,e,arguments.length,null)}}),p.each({Height:"height",Width:"width"},function(a,c){p.each({padding:"inner"+a,content:c,"":"outer"+a},function(d,e){p.fn[e]=function(e,f){var g=arguments.length&&(d||typeof e!="boolean"),h=d||(e===!0||f===!0?"margin":"border");return p.access(this,function(c,d,e){var f;return p.isWindow(c)?c.document.documentElement["client"+a]:c.nodeType===9?(f=c.documentElement,Math.max(c.body["scroll"+a],f["scroll"+a],c.body["offset"+a],f["offset"+a],f["client"+a])):e===b?p.css(c,d,e,h):p.style(c,d,e,h)},c,g?e:b,g)}})}),a.jQuery=a.$=p,typeof define=="function"&&define.amd&&define.amd.jQuery&&define("jquery",[],function(){return p})})(window);
ajaxupload.js
/**
* AJAX Upload ( http://valums.com/ajax-upload/ )
* Copyright (c) Andris Valums
* Licensed under the MIT license ( http://valums.com/mit-license/ )
* Thanks to Gary Haran, David Mark, Corey Burns and others for contributions
*/
(function () {
/* global window */
/* jslint browser: true, devel: true, undef: true, nomen: true, bitwise: true, regexp: true, newcap: true, immed: true */ /**
* Wrapper for FireBug's console.log
*/ function log() {
if (typeof(console) != 'undefined' && typeof(console.log) == 'function') {
Array.prototype.unshift.call(arguments, '[Ajax Upload]');
console.log(Array.prototype.join.call(arguments, ' '));
}
} /**
* Attaches event to a dom element.
* @param {Element} el
* @param type event name
* @param fn callback This refers to the passed element
*/ function addEvent(el, type, fn) {
if (el.addEventListener) {
el.addEventListener(type, fn, false);
} else if (el.attachEvent) {
el.attachEvent('on' + type, function () {
fn.call(el);
});
} else {
throw new Error('not supported or DOM not loaded');
}
} /**
* Attaches resize event to a window, limiting
* number of event fired. Fires only when encounteres
* delay of 100 after series of events.
*
* Some browsers fire event multiple times when resizing
* http://www.quirksmode.org/dom/events/resize.html
*
* @param fn callback This refers to the passed element
*/ function addResizeEvent(fn) {
var timeout; addEvent(window, 'resize', function () {
if (timeout) {
clearTimeout(timeout);
}
timeout = setTimeout(fn, 100);
});
} // Needs more testing, will be rewriten for next version
// getOffset function copied from jQuery lib (http://jquery.com/)
if (document.documentElement.getBoundingClientRect) {
// Get Offset using getBoundingClientRect
// http://ejohn.org/blog/getboundingclientrect-is-awesome/
var getOffset = function (el) {
var box = el.getBoundingClientRect();
var doc = el.ownerDocument;
var body = doc.body;
var docElem = doc.documentElement; // for ie
var clientTop = docElem.clientTop || body.clientTop || 0;
var clientLeft = docElem.clientLeft || body.clientLeft || 0; // In Internet Explorer 7 getBoundingClientRect property is treated as physical,
// while others are logical. Make all logical, like in IE8.
var zoom = 1;
if (body.getBoundingClientRect) {
var bound = body.getBoundingClientRect();
zoom = (bound.right - bound.left) / body.clientWidth;
} if (zoom > 1) {
clientTop = 0;
clientLeft = 0;
} var top = box.top / zoom + (window.pageYOffset || docElem && docElem.scrollTop / zoom || body.scrollTop / zoom) - clientTop,
left = box.left / zoom + (window.pageXOffset || docElem && docElem.scrollLeft / zoom || body.scrollLeft / zoom) - clientLeft; return {
top: top,
left: left
};
};
} else {
// Get offset adding all offsets
var getOffset = function (el) {
var top = 0,
left = 0;
do {
top += el.offsetTop || 0;
left += el.offsetLeft || 0;
el = el.offsetParent;
} while (el); return {
left: left,
top: top
};
};
} /**
* Returns left, top, right and bottom properties describing the border-box,
* in pixels, with the top-left relative to the body
* @param {Element} el
* @return {Object} Contains left, top, right,bottom
*/ function getBox(el) {
var left, right, top, bottom;
var offset = getOffset(el);
left = offset.left;
top = offset.top; right = left + el.offsetWidth;
bottom = top + el.offsetHeight; return {
left: left,
right: right,
top: top,
bottom: bottom
};
} /**
* Helper that takes object literal
* and add all properties to element.style
* @param {Element} el
* @param {Object} styles
*/ function addStyles(el, styles) {
for (var name in styles) {
if (styles.hasOwnProperty(name)) {
el.style[name] = styles[name];
}
}
} /**
* Function places an absolutely positioned
* element on top of the specified element
* copying position and dimentions.
* @param {Element} from
* @param {Element} to
*/ function copyLayout(from, to) {
var box = getBox(from); addStyles(to, {
position: 'absolute',
left: box.left + 'px',
top: box.top + 'px',
width: from.offsetWidth + 'px',
height: from.offsetHeight + 'px'
});
} /**
* Creates and returns element from html chunk
* Uses innerHTML to create an element
*/
var toElement = (function () {
var div = document.createElement('div');
return function (html) {
div.innerHTML = html;
var el = div.firstChild;
return div.removeChild(el);
};
})(); /**
* Function generates unique id
* @return unique id
*/
var getUID = (function () {
var id = 0;
return function () {
return 'ValumsAjaxUpload' + id++;
};
})(); /**
* Get file name from path
* @param {String} file path to file
* @return filename
*/ function fileFromPath(file) {
return file.replace(/.*(\/|\\)/, "");
} /**
* Get file extension lowercase
* @param {String} file name
* @return file extenstion
*/ function getExt(file) {
return (-1 !== file.indexOf('.')) ? file.replace(/.*[.]/, '') : '';
} function hasClass(el, name) {
var re = new RegExp('\\b' + name + '\\b');
return re.test(el.className);
} function addClass(el, name) {
if (!hasClass(el, name)) {
el.className += ' ' + name;
}
} function removeClass(el, name) {
var re = new RegExp('\\b' + name + '\\b');
el.className = el.className.replace(re, '');
} function removeNode(el) {
el.parentNode.removeChild(el);
} /**
* Easy styling and uploading
* @constructor
* @param button An element you want convert to
* upload button. Tested dimentions up to 500x500px
* @param {Object} options See defaults below.
*/
window.AjaxUpload = function (button, options) {
this._settings = {
// Location of the server-side upload script
action: 'upload.php',
// File upload name
name: 'userfile',
// Additional data to send
data: {},
// Submit file as soon as it's selected
autoSubmit: true,
// The type of data that you're expecting back from the server.
// html and xml are detected automatically.
// Only useful when you are using json data as a response.
// Set to "json" in that case.
responseType: false,
// Class applied to button when mouse is hovered
hoverClass: 'hover',
// Class applied to button when AU is disabled
disabledClass: 'disabled',
// When user selects a file, useful with autoSubmit disabled
// You can return false to cancel upload
onChange: function (file, extension) {},
// Callback to fire before file is uploaded
// You can return false to cancel upload
onSubmit: function (file, extension) {},
// Fired when file upload is completed
// WARNING! DO NOT USE "FALSE" STRING AS A RESPONSE!
onComplete: function (file, response) {}
}; // Merge the users options with our defaults
for (var i in options) {
if (options.hasOwnProperty(i)) {
this._settings[i] = options[i];
}
} // button isn't necessary a dom element
if (button.jquery) {
// jQuery object was passed
button = button[0];
} else if (typeof button == "string") {
if (/^#.*/.test(button)) {
// If jQuery user passes #elementId don't break it
button = button.slice(1);
} button = document.getElementById(button);
} if (!button || button.nodeType !== 1) {
throw new Error("Please make sure that you're passing a valid element");
} if (button.nodeName.toUpperCase() == 'A') {
// disable link
addEvent(button, 'click', function (e) {
if (e && e.preventDefault) {
e.preventDefault();
} else if (window.event) {
window.event.returnValue = false;
}
});
} // DOM element
this._button = button;
// DOM element
this._input = null;
// If disabled clicking on button won't do anything
this._disabled = false; // if the button was disabled before refresh if will remain
// disabled in FireFox, let's fix it
this.enable(); this._rerouteClicks();
}; // assigning methods to our class
AjaxUpload.prototype = {
setData: function (data) {
this._settings.data = data;
},
disable: function () {
addClass(this._button, this._settings.disabledClass);
this._disabled = true; var nodeName = this._button.nodeName.toUpperCase();
if (nodeName == 'INPUT' || nodeName == 'BUTTON') {
this._button.setAttribute('disabled', 'disabled');
} // hide input
if (this._input) {
// We use visibility instead of display to fix problem with Safari 4
// The problem is that the value of input doesn't change if it
// has display none when user selects a file
this._input.parentNode.style.visibility = 'hidden';
}
},
enable: function () {
removeClass(this._button, this._settings.disabledClass);
this._button.removeAttribute('disabled');
this._disabled = false; },
/**
* Creates invisible file input
* that will hover above the button
* <div><input type='file' /></div>
*/
_createInput: function () {
var self = this; var input = document.createElement("input");
input.setAttribute('type', 'file');
input.setAttribute('name', this._settings.name); addStyles(input, {
'position': 'absolute',
// in Opera only 'browse' button
// is clickable and it is located at
// the right side of the input
'right': 0,
'margin': 0,
'padding': 0,
'fontSize': '480px',
'cursor': 'pointer'
}); var div = document.createElement("div");
addStyles(div, {
'display': 'block',
'position': 'absolute',
'overflow': 'hidden',
'margin': 0,
'padding': 0,
'opacity': 0,
// Make sure browse button is in the right side
// in Internet Explorer
'direction': 'ltr',
//Max zIndex supported by Opera 9.0-9.2
'zIndex': 2147483583
}); // Make sure that element opacity exists.
// Otherwise use IE filter
if (div.style.opacity !== "0") {
if (typeof(div.filters) == 'undefined') {
throw new Error('Opacity not supported by the browser');
}
div.style.filter = "alpha(opacity=0)";
} addEvent(input, 'change', function () { if (!input || input.value === '') {
return;
} // Get filename from input, required
// as some browsers have path instead of it
var file = fileFromPath(input.value); if (false === self._settings.onChange.call(self, file, getExt(file))) {
self._clearInput();
return;
} // Submit form when value is changed
if (self._settings.autoSubmit) {
self.submit();
}
}); addEvent(input, 'mouseover', function () {
addClass(self._button, self._settings.hoverClass);
}); addEvent(input, 'mouseout', function () {
removeClass(self._button, self._settings.hoverClass); // We use visibility instead of display to fix problem with Safari 4
// The problem is that the value of input doesn't change if it
// has display none when user selects a file
input.parentNode.style.visibility = 'hidden'; }); div.appendChild(input);
document.body.appendChild(div); this._input = input;
},
_clearInput: function () {
if (!this._input) {
return;
} // this._input.value = ''; Doesn't work in IE6
removeNode(this._input.parentNode);
this._input = null;
this._createInput(); removeClass(this._button, this._settings.hoverClass);
},
/**
* Function makes sure that when user clicks upload button,
* the this._input is clicked instead
*/
_rerouteClicks: function () {
var self = this; // IE will later display 'access denied' error
// if you use using self._input.click()
// other browsers just ignore click() addEvent(self._button, 'mouseover', function () {
if (self._disabled) {
return;
} if (!self._input) {
self._createInput();
} var div = self._input.parentNode;
copyLayout(self._button, div);
div.style.visibility = 'visible'; }); // commented because we now hide input on mouseleave
/**
* When the window is resized the elements
* can be misaligned if button position depends
* on window size
*/
//addResizeEvent(function(){
// if (self._input){
// copyLayout(self._button, self._input.parentNode);
// }
//}); },
/**
* Creates iframe with unique name
* @return {Element} iframe
*/
_createIframe: function () {
// We can't use getTime, because it sometimes return
// same value in safari :(
var id = getUID(); // We can't use following code as the name attribute
// won't be properly registered in IE6, and new window
// on form submit will open
// var iframe = document.createElement('iframe');
// iframe.setAttribute('name', id); var iframe = toElement('<iframe src="javascript:false;" name="' + id + '" />');
// src="javascript:false; was added
// because it possibly removes ie6 prompt
// "This page contains both secure and nonsecure items"
// Anyway, it doesn't do any harm.
iframe.setAttribute('id', id); iframe.style.display = 'none';
document.body.appendChild(iframe); return iframe;
},
/**
* Creates form, that will be submitted to iframe
* @param {Element} iframe Where to submit
* @return {Element} form
*/
_createForm: function (iframe) {
var settings = this._settings; // We can't use the following code in IE6
// var form = document.createElement('form');
// form.setAttribute('method', 'post');
// form.setAttribute('enctype', 'multipart/form-data');
// Because in this case file won't be attached to request
var form = toElement('<form method="post" enctype="multipart/form-data"></form>'); form.setAttribute('action', settings.action);
form.setAttribute('target', iframe.name);
form.style.display = 'none';
document.body.appendChild(form); // Create hidden input element for each data key
for (var prop in settings.data) {
if (settings.data.hasOwnProperty(prop)) {
var el = document.createElement("input");
el.setAttribute('type', 'hidden');
el.setAttribute('name', prop);
el.setAttribute('value', settings.data[prop]);
form.appendChild(el);
}
}
return form;
},
/**
* Gets response from iframe and fires onComplete event when ready
* @param iframe
* @param file Filename to use in onComplete callback
*/
_getResponse: function (iframe, file) {
// getting response
var toDeleteFlag = false,
self = this,
settings = this._settings; addEvent(iframe, 'load', function () { if ( // For Safari
iframe.src == "javascript:'%3Chtml%3E%3C/html%3E';" ||
// For FF, IE
iframe.src == "javascript:'<html></html>';") {
// First time around, do not delete.
// We reload to blank page, so that reloading main page
// does not re-submit the post. if (toDeleteFlag) {
// Fix busy state in FF3
setTimeout(function () {
removeNode(iframe);
},
0);
} return;
} var doc = iframe.contentDocument ? iframe.contentDocument : window.frames[iframe.id].document; // fixing Opera 9.26,10.00
if (doc.readyState && doc.readyState != 'complete') {
// Opera fires load event multiple times
// Even when the DOM is not ready yet
// this fix should not affect other browsers
return;
} // fixing Opera 9.64
if (doc.body && doc.body.innerHTML == "false") {
// In Opera 9.64 event was fired second time
// when body.innerHTML changed from false
// to server response approx. after 1 sec
return;
} var response; if (doc.XMLDocument) {
// response is a xml document Internet Explorer property
response = doc.XMLDocument;
} else if (doc.body) {
// response is html document or plain text
response = doc.body.innerHTML; if (settings.responseType && settings.responseType.toLowerCase() == 'json') {
// If the document was sent as 'application/javascript' or
// 'text/javascript', then the browser wraps the text in a <pre>
// tag and performs html encoding on the contents. In this case,
// we need to pull the original text content from the text node's
// nodeValue property to retrieve the unmangled content.
// Note that IE6 only understands text/html
if (doc.body.firstChild && doc.body.firstChild.nodeName.toUpperCase() == 'PRE') {
response = doc.body.firstChild.firstChild.nodeValue;
} if (response) {
response = eval("(" + response + ")");
} else {
response = {};
}
}
} else {
// response is a xml document
response = doc;
} settings.onComplete.call(self, file, response); // Reload blank page, so that reloading main page
// does not re-submit the post. Also, remember to
// delete the frame
toDeleteFlag = true; // Fix IE mixed content issue
iframe.src = "javascript:'<html></html>';";
});
},
/**
* Upload file contained in this._input
*/
submit: function (event) {
var self = this,
settings = this._settings; if (!this._input || this._input.value === '') {
return;
} var file = fileFromPath(this._input.value); // user returned false to cancel upload
if (false === settings.onSubmit.call(this, file, getExt(file))) {
this._clearInput();
return;
} // sending request
var iframe = this._createIframe();
var form = this._createForm(iframe); // assuming following structure
// div -> input type='file'
removeNode(this._input.parentNode);
removeClass(self._button, self._settings.hoverClass); form.appendChild(this._input); form.submit(); // request set, clean up
removeNode(form);
form = null;
removeNode(this._input);
this._input = null; // Get response from iframe and fire onComplete event when ready
this._getResponse(iframe, file); // get ready for next request
this._createInput();
}
};
})();
actionUpload控制器
function actionUpload(){
if(4!==$_FILES['userfile']['error']){
//加载上传类
require_once 'UploadFile.class.php';
$upload_path = './upload/'.crypt($this->userid, $this->userid).'/';
$upload = new UploadFile();
$upload->maxSize = 2*1024*1024*8;// 设置附件上传大小
$upload->allowExts = array('jpg', 'gif', 'png', 'jpeg');// 设置附件上传类型
$upload->thumb = TRUE;
$upload->thumbMaxWidth = '300px';
$upload->thumbMaxHeight = '300px';
$upload->savePath = $upload_path;// 设置附件上传目录
$branchInfo = $upload->uploadOne($_FILES['userfile'],$upload_path);
//var_dump($branchInfo);
/*
<b>array</b>
'name' <font color="#888a85">=></font> <small>string</small> <font color="#cc0000">'946F852A-EB07-44CD-9055-ED39D3EE3FDF.jpg'</font> <i>(length=40)</i>
'type' <font color="#888a85">=></font> <small>string</small> <font color="#cc0000">'image/jpeg'</font> <i>(length=10)</i>
'size' <font color="#888a85">=></font> <small>int</small> <font color="#4e9a06">83565</font>
'extension' <font color="#888a85">=></font> <small>string</small> <font color="#cc0000">'jpg'</font> <i>(length=3)</i>
'savepath' <font color="#888a85">=></font> <small>string</small> <font color="#cc0000">'./upload/29MmoZfBlYJek/'</font> <i>(length=23)</i>
'savename' <font color="#888a85">=></font> <small>string</small> <font color="#cc0000">'5370899f0776f.jpg'</font> <i>(length=17)</i>
'hash' <font color="#888a85">=></font> <small>string</small> <font color="#cc0000">'cc9692c28baa7c0280487d7b6cb4f33b'</font> <i>(length=32)</i>
*/
if(!$branchInfo) {// 上传错误提示错误信息
echo 'error';
}else{// 上传成功 获取上传文件信息
echo 'success';
}
}else{
echo 'error';
}
}
UploadFile.class.php 自定义图片上传类
<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2009 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +---------------------------------------------------------------------- /**
* 文件上传类
* @category ORG
* @package ORG
* @subpackage Net
* @author liu21st <liu21st@gmail.com>
* 参考说明 http://www.thinkphp.cn/info/194.html
*/
class UploadFile {//类定义开始 private $config = array(
'maxSize' => -1, // 上传文件的最大值
'supportMulti' => true, // 是否支持多文件上传
'allowExts' => array(), // 允许上传的文件后缀 留空不作后缀检查
'allowTypes' => array(), // 允许上传的文件类型 留空不做检查
'thumb' => false, // 使用对上传图片进行缩略图处理
'thumbMaxWidth' => '',// 缩略图最大宽度
'thumbMaxHeight' => '',// 缩略图最大高度
'thumbPrefix' => 'thumb_',// 缩略图前缀
'thumbSuffix' => '',
'thumbPath' => '',// 缩略图保存路径
'thumbFile' => '',// 缩略图文件名
'thumbExt' => '',// 缩略图扩展名
'thumbRemoveOrigin' => false,// 是否移除原图
'zipImages' => false,// 压缩图片文件上传
'autoSub' => false,// 启用子目录保存文件
'subType' => 'hash',// 子目录创建方式 可以使用hash date custom
'subDir' => '', // 子目录名称 subType为custom方式后有效
'dateFormat' => 'Ymd',
'hashLevel' => 1, // hash的目录层次
'savePath' => '',// 上传文件保存路径
'autoCheck' => true, // 是否自动检查附件
'uploadReplace' => false,// 存在同名是否覆盖
'saveRule' => 'uniqid',// 上传文件命名规则
'hashType' => 'md5_file',// 上传文件Hash规则函数名
); // 错误信息
private $error = '';
// 上传成功的文件信息
private $uploadFileInfo ; public function __get($name){
if(isset($this->config[$name])) {
return $this->config[$name];
}
return null;
} public function __set($name,$value){
if(isset($this->config[$name])) {
$this->config[$name] = $value;
}
} public function __isset($name){
return isset($this->config[$name]);
} /**
* 架构函数
* @access public
* @param array $config 上传参数
*/
public function __construct($config=array()) {
if(is_array($config)) {
$this->config = array_merge($this->config,$config);
}
} /**
* 上传一个文件
* @access public
* @param mixed $name 数据
* @param string $value 数据表名
* @return string
*/
private function save($file) {
$filename = $file['savepath'].$file['savename'];
if(!$this->uploadReplace && is_file($filename)) {
// 不覆盖同名文件
$this->error = '文件已经存在！'.$filename;
return false;
}
// 如果是图像文件 检测文件格式
if( in_array(strtolower($file['extension']),array('gif','jpg','jpeg','bmp','png','swf'))) {
$info = getimagesize($file['tmp_name']);
if(false === $info || ('gif' == strtolower($file['extension']) && empty($info['bits']))){
$this->error = '非法图像文件';
return false;
}
}
if(!move_uploaded_file($file['tmp_name'], $this->autoCharset($filename,'utf-8','gbk'))) {
$this->error = '文件上传保存错误！';
return false;
}
if($this->thumb && in_array(strtolower($file['extension']),array('gif','jpg','jpeg','bmp','png'))) {
$image = getimagesize($filename);
if(false !== $image) {
//是图像文件生成缩略图
$thumbWidth = explode(',',$this->thumbMaxWidth);
$thumbHeight = explode(',',$this->thumbMaxHeight);
$thumbPrefix = explode(',',$this->thumbPrefix);
$thumbSuffix = explode(',',$this->thumbSuffix);
$thumbFile = explode(',',$this->thumbFile);
$thumbPath = $this->thumbPath?$this->thumbPath:dirname($filename).'/';
$thumbExt = $this->thumbExt ? $this->thumbExt : $file['extension']; //自定义缩略图扩展名
// 生成图像缩略图
require_once '/Image.class.php';
for($i=0,$len=count($thumbWidth); $i<$len; $i++) {
if(!empty($thumbFile[$i])) {
$thumbname = $thumbFile[$i];
}else{
$prefix = isset($thumbPrefix[$i])?$thumbPrefix[$i]:$thumbPrefix[0];
$suffix = isset($thumbSuffix[$i])?$thumbSuffix[$i]:$thumbSuffix[0];
$thumbname = $prefix.basename($filename,'.'.$file['extension']).$suffix;
}
Image::thumb($filename,$thumbPath.$thumbname.'.'.$thumbExt,'',$thumbWidth[$i],$thumbHeight[$i],true);
}
if($this->thumbRemoveOrigin) {
// 生成缩略图之后删除原图
unlink($filename);
}
}
}
if($this->zipImags) {
// TODO 对图片压缩包在线解压 }
return true;
} /**
* 上传所有文件
* @access public
* @param string $savePath 上传文件保存路径
* @return string
*/
public function upload($savePath ='') {
//如果不指定保存文件名，则由系统默认
if(empty($savePath))
$savePath = $this->savePath;
// 检查上传目录
if(!is_dir($savePath)) {
// 检查目录是否编码后的
if(is_dir(base64_decode($savePath))) {
$savePath = base64_decode($savePath);
}else{
// 尝试创建目录
if(!mkdir($savePath)){
$this->error = '上传目录'.$savePath.'不存在';
return false;
}
}
}else {
if(!is_writeable($savePath)) {
$this->error = '上传目录'.$savePath.'不可写';
return false;
}
}
$fileInfo = array();
$isUpload = false; // 获取上传的文件信息
// 对$_FILES数组信息处理
$files = $this->dealFiles($_FILES);
foreach($files as $key => $file) {
//过滤无效的上传
if(!empty($file['name'])) {
//登记上传文件的扩展信息
if(!isset($file['key'])) $file['key'] = $key;
$file['extension'] = $this->getExt($file['name']);
$file['savepath'] = $savePath;
$file['savename'] = $this->getSaveName($file); // 自动检查附件
if($this->autoCheck) {
if(!$this->check($file))
return false;
} //保存上传文件
if(!$this->save($file)) return false;
if(function_exists($this->hashType)) {
$fun = $this->hashType;
$file['hash'] = $fun($this->autoCharset($file['savepath'].$file['savename'],'utf-8','gbk'));
}
//上传成功后保存文件信息，供其他地方调用
unset($file['tmp_name'],$file['error']);
$fileInfo[] = $file;
$isUpload = true;
}
}
if($isUpload) {
$this->uploadFileInfo = $fileInfo;
return true;
}else {
$this->error = '没有选择上传文件';
return false;
}
} /**
* 上传单个上传字段中的文件 支持多附件
* @access public
* @param array $file 上传文件信息
* @param string $savePath 上传文件保存路径
* @return string
*/
public function uploadOne($file,$savePath=''){
//如果不指定保存文件名，则由系统默认
if(empty($savePath))
$savePath = $this->savePath;
// 检查上传目录
if(!is_dir($savePath)) {
// 尝试创建目录
if(!mkdir($savePath,0777,true)){
$this->error = '上传目录'.$savePath.'不存在';
return false;
}
}else {
if(!is_writeable($savePath)) {
$this->error = '上传目录'.$savePath.'不可写';
return false;
}
}
//过滤无效的上传
if(!empty($file['name'])) {
$fileArray = array();
if(is_array($file['name'])) {
$keys = array_keys($file);
$count = count($file['name']);
for ($i=0; $i<$count; $i++) {
foreach ($keys as $key)
$fileArray[$i][$key] = $file[$key][$i];
}
}else{
$fileArray[] = $file;
}
$info = array();
foreach ($fileArray as $key=>$file){
//登记上传文件的扩展信息
$file['extension'] = $this->getExt($file['name']);
$file['savepath'] = $savePath;
$file['savename'] = $this->getSaveName($file);
// 自动检查附件
if($this->autoCheck) {
if(!$this->check($file))
return false;
} //保存上传文件
if(!$this->save($file)) return false;
if(function_exists($this->hashType)) {
$fun = $this->hashType;
$file['hash'] = $fun($this->autoCharset($file['savepath'].$file['savename'],'utf-8','gbk'));
}
unset($file['tmp_name'],$file['error']);
$info[] = $file;
}
// 返回上传的文件信息
return $info;
}else {
$this->error = '没有选择上传文件';
return false;
}
} /**
* 转换上传文件数组变量为正确的方式
* @access private
* @param array $files 上传的文件变量
* @return array
*/
private function dealFiles($files) {
$fileArray = array();
$n = 0;
foreach ($files as $key=>$file){
if(is_array($file['name'])) {
$keys = array_keys($file);
$count = count($file['name']);
for ($i=0; $i<$count; $i++) {
$fileArray[$n]['key'] = $key;
foreach ($keys as $_key){
$fileArray[$n][$_key] = $file[$_key][$i];
}
$n++;
}
}else{
$fileArray[$key] = $file;
}
}
return $fileArray;
} /**
* 获取错误代码信息
* @access public
* @param string $errorNo 错误号码
* @return void
*/
protected function error($errorNo) {
switch($errorNo) {
case 1:
$this->error = '上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值';
break;
case 2:
$this->error = '上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值';
break;
case 3:
$this->error = '文件只有部分被上传';
break;
case 4:
$this->error = '没有文件被上传';
break;
case 6:
$this->error = '找不到临时文件夹';
break;
case 7:
$this->error = '文件写入失败';
break;
default:
$this->error = '未知上传错误！';
}
return ;
} /**
* 根据上传文件命名规则取得保存文件名
* @access private
* @param string $filename 数据
* @return string
*/
private function getSaveName($filename) {
$rule = $this->saveRule;
if(empty($rule)) {//没有定义命名规则，则保持文件名不变
$saveName = $filename['name'];
}else {
if(function_exists($rule)) {
//使用函数生成一个唯一文件标识号
$saveName = $rule().".".$filename['extension'];
}else {
//使用给定的文件名作为标识号
$saveName = $rule.".".$filename['extension'];
}
}
if($this->autoSub) {
// 使用子目录保存文件
$filename['savename'] = $saveName;
$saveName = $this->getSubName($filename).$saveName;
}
return $saveName;
} /**
* 获取子目录的名称
* @access private
* @param array $file 上传的文件信息
* @return string
*/
private function getSubName($file) {
switch($this->subType) {
case 'custom':
$dir = $this->subDir;
break;
case 'date':
$dir = date($this->dateFormat,time()).'/';
break;
case 'hash':
default:
$name = md5($file['savename']);
$dir = '';
for($i=0;$i<$this->hashLevel;$i++) {
$dir .= $name{$i}.'/';
}
break;
}
if(!is_dir($file['savepath'].$dir)) {
mkdir($file['savepath'].$dir,0777,true);
}
return $dir;
} /**
* 检查上传的文件
* @access private
* @param array $file 文件信息
* @return boolean
*/
private function check($file) {
if($file['error']!== 0) {
//文件上传失败
//捕获错误代码
$this->error($file['error']);
return false;
}
//文件上传成功，进行自定义规则检查
//检查文件大小
if(!$this->checkSize($file['size'])) {
$this->error = '上传文件大小不符！';
return false;
} //检查文件Mime类型
if(!$this->checkType($file['type'])) {
$this->error = '上传文件MIME类型不允许！';
return false;
}
//检查文件类型
if(!$this->checkExt($file['extension'])) {
$this->error ='上传文件类型不允许';
return false;
} //检查是否合法上传
if(!$this->checkUpload($file['tmp_name'])) {
$this->error = '非法上传文件！';
return false;
}
return true;
} // 自动转换字符集 支持数组转换
private function autoCharset($fContents, $from='gbk', $to='utf-8') {
$from = strtoupper($from) == 'UTF8' ? 'utf-8' : $from;
$to = strtoupper($to) == 'UTF8' ? 'utf-8' : $to;
if (strtoupper($from) === strtoupper($to) || empty($fContents) || (is_scalar($fContents) && !is_string($fContents))) {
//如果编码相同或者非字符串标量则不转换
return $fContents;
}
if (function_exists('mb_convert_encoding')) {
return mb_convert_encoding($fContents, $to, $from);
} elseif (function_exists('iconv')) {
return iconv($from, $to, $fContents);
} else {
return $fContents;
}
} /**
* 检查上传的文件类型是否合法
* @access private
* @param string $type 数据
* @return boolean
*/
private function checkType($type) {
if(!empty($this->allowTypes))
return in_array(strtolower($type),$this->allowTypes);
return true;
} /**
* 检查上传的文件后缀是否合法
* @access private
* @param string $ext 后缀名
* @return boolean
*/
private function checkExt($ext) {
if(!empty($this->allowExts))
return in_array(strtolower($ext),$this->allowExts,true);
return true;
} /**
* 检查文件大小是否合法
* @access private
* @param integer $size 数据
* @return boolean
*/
private function checkSize($size) {
return !($size > $this->maxSize) || (-1 == $this->maxSize);
} /**
* 检查文件是否非法提交
* @access private
* @param string $filename 文件名
* @return boolean
*/
private function checkUpload($filename) {
return is_uploaded_file($filename);
} /**
* 取得上传文件的后缀
* @access private
* @param string $filename 文件名
* @return boolean
*/
private function getExt($filename) {
$pathinfo = pathinfo($filename);
return $pathinfo['extension'];
} /**
* 取得上传文件的信息
* @access public
* @return array
*/
public function getUploadFileInfo() {
return $this->uploadFileInfo;
} /**
* 取得最后一次错误信息
* @access public
* @return string
*/
public function getErrorMsg() {
return $this->error;
}
}
Image.class.php 自定义图片处理类
<?php
// +----------------------------------------------------------------------
// | Copyright (C) 浩天科技 www.ihotte.com admin@ihotte.com
// +----------------------------------------------------------------------
// | Licensed: ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: 左手边的回忆 QQ:858908467 E-mail:858908467@qq.com
// +----------------------------------------------------------------------
/**
+------------------------------------------------------------------------------
* 文件$ID ： Image.class.php
+------------------------------------------------------------------------------
* 路径$ID ： inc/Image.class.php
+------------------------------------------------------------------------------
* 程序版本： 浩天 WebFTP V1.0.0 2011-10-01
+------------------------------------------------------------------------------
* 功能简介： 图像处理 Image Class
+------------------------------------------------------------------------------
* 注意事项： 请勿私自删除此版权信息！
+------------------------------------------------------------------------------
**/ class Image
{ /**
+----------------------------------------------------------
* 取得图像信息
*
+----------------------------------------------------------
* @static
* @access public
+----------------------------------------------------------
* @param string $image 图像文件名
+----------------------------------------------------------
* @return mixed
+----------------------------------------------------------
*/
static function getImageInfo($img) {
$imageInfo = getimagesize($img);
if( $imageInfo!== false) {
$imageType = strtolower(substr(image_type_to_extension($imageInfo[2]),1));
$imageSize = filesize($img);
$info = array(
"width"=>$imageInfo[0],
"height"=>$imageInfo[1],
"type"=>$imageType,
"size"=>$imageSize,
"mime"=>$imageInfo['mime']
);
return $info;
}else {
return false;
}
}
/**
+----------------------------------------------------------
* 为图片添加水印
+----------------------------------------------------------
* @static public
+----------------------------------------------------------
* @param string $source 原文件名
* @param string $water 水印图片
* @param string $$savename 添加水印后的图片名
* @param string $alpha 水印的透明度
+----------------------------------------------------------
* @return string
+----------------------------------------------------------
* @throws ThinkExecption
+----------------------------------------------------------
*/
static public function water($source, $water, $savename=null, $alpha=80) {
//检查文件是否存在
if (!file_exists($source) || !file_exists($water))
return false; //图片信息
$sInfo = self::getImageInfo($source);
$wInfo = self::getImageInfo($water); //如果图片小于水印图片，不生成图片
if ($sInfo["width"] < $wInfo["width"] || $sInfo['height'] < $wInfo['height'])
return false; //建立图像
$sCreateFun = "imagecreatefrom" . $sInfo['type'];
$sImage = $sCreateFun($source);
$wCreateFun = "imagecreatefrom" . $wInfo['type'];
$wImage = $wCreateFun($water); //设定图像的混色模式
imagealphablending($wImage, true); //图像位置,默认为右下角右对齐
$posY = $sInfo["height"] - $wInfo["height"];
$posX = $sInfo["width"] - $wInfo["width"]; //生成混合图像
imagecopymerge($sImage, $wImage, $posX, $posY, 0, 0, $wInfo['width'], $wInfo['height'], $alpha); //输出图像
$ImageFun = 'Image' . $sInfo['type'];
//如果没有给出保存文件名，默认为原图像名
if (!$savename) {
$savename = $source;
@unlink($source);
}
//保存图像
$ImageFun($sImage, $savename);
imagedestroy($sImage);
} static public function watermark($source,$target = '',$config ) {
$watermarkPadding = $config['watermark_pospadding'];
$w_pos = $config['watermark_pos'];
if($config['watermark_img'])$w_img = './Public/Images/'.$config['watermark_img'];
$w_text = $config['watemard_text'];
$w_font = $config['watemard_text_size'];
$w_color = $config['watemard_text_color'];
$fontface = './Public/Images/font/'.$config['watemard_text_face']; $w_pct = $config['watermark_pct'];
$w_quality = $config['watermark_quality'];
$w_minheight = $config['watemard_text'];
$w_minwidth = $config['watemard_text'];
$watermarkPadding = $config['watermark_pospadding'];
$w_pos = $config['watermark_pos']; $positionPadding = ($watermarkPadding && $watermarkPadding > 0) ? $watermarkPadding : 5; // 边距 $w_pos = $w_pos ? $w_pos : 9;
$w_img = $w_img ? $w_img : $w_img;
if(!$target) $target = $source; $source_info = getimagesize($source);
$source_w = $source_info[0];
$source_h = $source_info[1];
if($source_w < $w_minwidth || $source_h < $w_minheight) return false; switch($source_info[2]) {
case 1 :
$source_img = imagecreatefromgif($source);
break;
case 2 :
$source_img = imagecreatefromjpeg($source);
break;
case 3 :
$source_img = imagecreatefrompng($source);
break;
default :
return false;
}
if(!empty($w_img) && file_exists($w_img)) { $ifwaterimage = 1;
$water_info = getimagesize($w_img);
$width = $water_info[0];
$height = $water_info[1];
switch($water_info[2]) {
case 1 :
$water_img = imagecreatefromgif($w_img);
break;
case 2 :
$water_img = imagecreatefromjpeg($w_img);
break;
case 3 :
$water_img = imagecreatefrompng($w_img);
break;
default :
return;
}
} else { $ifwaterimage = 0;
$temp = imagettfbbox(ceil($w_font*2.5), 0, $fontface, $w_text);
$width = $temp[2] - $temp[6];
$height = $temp[3] - $temp[7];
unset($temp); }
switch($w_pos) {
case 1:
$wx = $positionPadding;
$wy = $positionPadding;
break;
case 2:
$wx = ($source_w - $width) / 2;
$wy = $positionPadding;
break;
case 3:
$wx = $source_w - $width;
$wy = $positionPadding;
break;
case 4:
$wx = $positionPadding;
$wy = ($source_h - $height) / 2;
break;
case 5:
$wx = ($source_w - $width) / 2;
$wy = ($source_h - $height) / 2;
break;
case 6:
$wx = $source_w - $width - $positionPadding;
$wy = ($source_h - $height) / 2;
break;
case 7:
$wx = $positionPadding;
$wy = $source_h - $height;
break;
case 8:
$wx = ($source_w - $width) / 2;
$wy = $source_h - $height - $positionPadding;
break;
case 9:
$wx = $source_w - $width - $positionPadding;
$wy = $source_h - $height - $positionPadding ;
break;
case 10:
$wx = rand(0,($source_w - $width));
$wy = rand(0,($source_h - $height));
break;
default:
$wx = rand(0,($source_w - $width));
$wy = rand(0,($source_h - $height));
break;
}
if($ifwaterimage) {
if($water_info[2] == 3) {
imagecopy($source_img, $water_img, $wx, $wy, 0, 0, $width, $height);
} else {
imagecopymerge($source_img, $water_img, $wx, $wy, 0, 0, $width, $height, $w_pct);
}
} else {
if(!empty($w_color) && (strlen($w_color)==7)) {
$r = hexdec(substr($w_color,1,2));
$g = hexdec(substr($w_color,3,2));
$b = hexdec(substr($w_color,5));
} else {
return;
} $black = imagecolorallocate($source_img, $r,$g, $b);//设置颜色
imagettftext($source_img, $w_font, 0, $wx, $wy, $black, $fontface, $w_text);//打印水印 } switch($source_info[2]) {
case 1 :
imagegif($source_img, $target);
break;
case 2 :
imagejpeg($source_img, $target, $w_quality);
break;
case 3 :
imagepng($source_img, $target);
break;
default :
return;
} if(isset($water_info)) {
unset($water_info);
}
if(isset($water_img)) {
imagedestroy($water_img);
}
unset($source_info);
imagedestroy($source_img);
return true; } /**
+----------------------------------------------------------
* 显示服务器图像文件
* 支持URL方式
+----------------------------------------------------------
* @static
* @access public
+----------------------------------------------------------
* @param string $imgFile 图像文件名
* @param string $text 文字字符串
* @param string $width 图像宽度
* @param string $height 图像高度
+----------------------------------------------------------
* @return void
+----------------------------------------------------------
*/
static function showImg($imgFile,$text='',$width=80,$height=30) {
//获取图像文件信息
$info = Image::getImageInfo($imgFile);
if($info !== false) {
$createFun = str_replace('/','createfrom',$info['mime']);
$im = $createFun($imgFile);
if($im) {
$ImageFun= str_replace('/','',$info['mime']);
if(!empty($text)) {
$tc = imagecolorallocate($im, 0, 0, 0);
imagestring($im, 3, 5, 5, $text, $tc);
}
if($info['type']=='png' || $info['type']=='gif') {
imagealphablending($im, false);//取消默认的混色模式
imagesavealpha($im,true);//设定保存完整的 alpha 通道信息
}
header("Content-type: ".$info['mime']);
$ImageFun($im);
imagedestroy($im);
return true;
}
}else{
return false;
}
//获取或者创建图像文件失败则生成空白PNG图片
$im = imagecreatetruecolor($width, $height);
$bgc = imagecolorallocate($im, 255, 255, 255);
$tc = imagecolorallocate($im, 0, 0, 0);
imagefilledrectangle($im, 0, 0, 150, 30, $bgc);
imagestring($im, 4, 5, 5, "NO PIC", $tc);
Image::output($im);
return ;
} /**
+----------------------------------------------------------
* 生成缩略图
+----------------------------------------------------------
* @static
* @access public
+----------------------------------------------------------
* @param string $image 原图
* @param string $type 图像格式
* @param string $thumbname 缩略图文件名
* @param string $maxWidth 宽度
* @param string $maxHeight 高度
* @param string $position 缩略图保存目录
* @param boolean $interlace 启用隔行扫描
+----------------------------------------------------------
* @return void
+----------------------------------------------------------
*/
static function thumb($image,$thumbname,$type='',$maxWidth=200,$maxHeight=200,$interlace=true)
{
// 获取原图信息
$info = Image::getImageInfo($image);
if($info !== false) {
$srcWidth = $info['width'];
$srcHeight = $info['height'];
$type = empty($type)?$info['type']:$type;
$type = strtolower($type);
$interlace = $interlace? 1:0;
unset($info);
$scale = min($maxWidth/$srcWidth, $maxHeight/$srcHeight); // 计算缩放比例
if($scale>=1) {
// 超过原图大小不再缩略
$width = $srcWidth;
$height = $srcHeight;
}else{
// 缩略图尺寸
$width = (int)($srcWidth*$scale);
$height = (int)($srcHeight*$scale);
} // 载入原图
$createFun = 'ImageCreateFrom'.($type=='jpg'?'jpeg':$type);
$srcImg = $createFun($image); //创建缩略图
if($type!='gif' && function_exists('imagecreatetruecolor'))
$thumbImg = imagecreatetruecolor($width, $height);
else
$thumbImg = imagecreate($width, $height); // 复制图片
if(function_exists("ImageCopyResampled"))
imagecopyresampled($thumbImg, $srcImg, 0, 0, 0, 0, $width, $height, $srcWidth,$srcHeight);
else
imagecopyresized($thumbImg, $srcImg, 0, 0, 0, 0, $width, $height, $srcWidth,$srcHeight);
if('gif'==$type || 'png'==$type) {
//imagealphablending($thumbImg, false);//取消默认的混色模式
//imagesavealpha($thumbImg,true);//设定保存完整的 alpha 通道信息
$background_color = imagecolorallocate($thumbImg, 0,255,0); // 指派一个绿色
imagecolortransparent($thumbImg,$background_color); // 设置为透明色，若注释掉该行则输出绿色的图
} // 对jpeg图形设置隔行扫描
if('jpg'==$type || 'jpeg'==$type) imageinterlace($thumbImg,$interlace); //$gray=ImageColorAllocate($thumbImg,255,0,0);
//ImageString($thumbImg,2,5,5,"ThinkPHP",$gray);
// 生成图片
$imageFun = 'image'.($type=='jpg'?'jpeg':$type);
$imageFun($thumbImg,$thumbname);
imagedestroy($thumbImg);
imagedestroy($srcImg);
return $thumbname;
}
return false;
} /**
+----------------------------------------------------------
* 根据给定的字符串生成图像
+----------------------------------------------------------
* @static
* @access public
+----------------------------------------------------------
* @param string $string 字符串
* @param string $size 图像大小 width,height 或者 array(width,height)
* @param string $font 字体信息 fontface,fontsize 或者 array(fontface,fontsize)
* @param string $type 图像格式 默认PNG
* @param integer $disturb 是否干扰 1 点干扰 2 线干扰 3 复合干扰 0 无干扰
* @param bool $border 是否加边框 array(color)
+----------------------------------------------------------
* @return string
+----------------------------------------------------------
*/
static function buildString($string,$rgb=array(),$filename='',$type='png',$disturb=1,$border=true) {
if(is_string($size)) $size = explode(',',$size);
$width = $size[0];
$height = $size[1];
if(is_string($font)) $font = explode(',',$font);
$fontface = $font[0];
$fontsize = $font[1];
$length = strlen($string);
$width = ($length*9+10)>$width?$length*9+10:$width;
$height = 22;
if ( $type!='gif' && function_exists('imagecreatetruecolor')) {
$im = @imagecreatetruecolor($width,$height);
}else {
$im = @imagecreate($width,$height);
}
if(empty($rgb)) {
$color = imagecolorallocate($im, 102, 104, 104);
}else{
$color = imagecolorallocate($im, $rgb[0], $rgb[1], $rgb[2]);
}
$backColor = imagecolorallocate($im, 255,255,255); //背景色（随机）
$borderColor = imagecolorallocate($im, 100, 100, 100); //边框色
$pointColor = imagecolorallocate($im,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255)); //点颜色 @imagefilledrectangle($im, 0, 0, $width - 1, $height - 1, $backColor);
@imagerectangle($im, 0, 0, $width-1, $height-1, $borderColor);
@imagestring($im, 5, 5, 3, $string, $color);
if(!empty($disturb)) {
// 添加干扰
if($disturb=1 || $disturb=3) {
for($i=0;$i<25;$i++){
imagesetpixel($im,mt_rand(0,$width),mt_rand(0,$height),$pointColor);
}
}elseif($disturb=2 || $disturb=3){
for($i=0;$i<10;$i++){
imagearc($im,mt_rand(-10,$width),mt_rand(-10,$height),mt_rand(30,300),mt_rand(20,200),55,44,$pointColor);
}
}
}
Image::output($im,$type,$filename);
} /**
+----------------------------------------------------------
* 生成图像验证码
+----------------------------------------------------------
* @static
* @access public
+----------------------------------------------------------
* @param string $length 位数
* @param string $mode 类型
* @param string $type 图像格式
* @param string $width 宽度
* @param string $height 高度
+----------------------------------------------------------
* @return string
+----------------------------------------------------------
*/
static function buildImageVerify($length=4,$mode=1,$type='png',$width=48,$height=22,$verifyName='verify')
{
import('@.ORG.String');
$randval = String::rand_string($length,$mode);
$_SESSION[$verifyName]= md5($randval);
$width = ($length*10+10)>$width?$length*10+10:$width;
if ( $type!='gif' && function_exists('imagecreatetruecolor')) {
$im = @imagecreatetruecolor($width,$height);
}else {
$im = @imagecreate($width,$height);
}
$r = Array(225,255,255,223);
$g = Array(225,236,237,255);
$b = Array(225,236,166,125);
$key = mt_rand(0,3); $backColor = imagecolorallocate($im, $r[$key],$g[$key],$b[$key]); //背景色（随机）
$borderColor = imagecolorallocate($im, 100, 100, 100); //边框色
$pointColor = imagecolorallocate($im,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255)); //点颜色 @imagefilledrectangle($im, 0, 0, $width - 1, $height - 1, $backColor);
@imagerectangle($im, 0, 0, $width-1, $height-1, $borderColor);
$stringColor = imagecolorallocate($im,mt_rand(0,200),mt_rand(0,120),mt_rand(0,120));
// 干扰
for($i=0;$i<10;$i++){
$fontcolor=imagecolorallocate($im,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255));
imagearc($im,mt_rand(-10,$width),mt_rand(-10,$height),mt_rand(30,300),mt_rand(20,200),55,44,$fontcolor);
}
for($i=0;$i<25;$i++){
$fontcolor=imagecolorallocate($im,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255));
imagesetpixel($im,mt_rand(0,$width),mt_rand(0,$height),$pointColor);
}
for($i=0;$i<$length;$i++) {
imagestring($im,5,$i*10+5,mt_rand(1,8),$randval{$i}, $stringColor);
}
// @imagestring($im, 5, 5, 3, $randval, $stringColor);
Image::output($im,$type);
} // 中文验证码
static function GBVerify($length=4,$type='png',$width=180,$height=50,$fontface='simhei.ttf',$verifyName='verify') {
$code = rand_string($length,4);
$width = ($length*45)>$width?$length*45:$width;
$_SESSION[$verifyName]= md5($code);
$im=imagecreatetruecolor($width,$height);
$borderColor = imagecolorallocate($im, 100, 100, 100); //边框色
$bkcolor=imagecolorallocate($im,250,250,250);
imagefill($im,0,0,$bkcolor);
@imagerectangle($im, 0, 0, $width-1, $height-1, $borderColor);
// 干扰
for($i=0;$i<15;$i++){
$fontcolor=imagecolorallocate($im,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255));
imagearc($im,mt_rand(-10,$width),mt_rand(-10,$height),mt_rand(30,300),mt_rand(20,200),55,44,$fontcolor);
}
for($i=0;$i<255;$i++){
$fontcolor=imagecolorallocate($im,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255));
imagesetpixel($im,mt_rand(0,$width),mt_rand(0,$height),$fontcolor);
}
if(!is_file($fontface)) {
$fontface = dirname(__FILE__)."/".$fontface;
}
for($i=0;$i<$length;$i++){
$fontcolor=imagecolorallocate($im,mt_rand(0,120),mt_rand(0,120),mt_rand(0,120)); //这样保证随机出来的颜色较深。
$codex= msubstr($code,$i,1);
imagettftext($im,mt_rand(16,20),mt_rand(-60,60),40*$i+20,mt_rand(30,35),$fontcolor,$fontface,$codex);
}
Image::output($im,$type);
} /**
+----------------------------------------------------------
* 把图像转换成字符显示
+----------------------------------------------------------
* @static
* @access public
+----------------------------------------------------------
* @param string $image 要显示的图像
* @param string $type 图像类型，默认自动获取
+----------------------------------------------------------
* @return string
+----------------------------------------------------------
*/
static function showASCIIImg($image,$string='',$type='')
{
$info = Image::getImageInfo($image);
if($info !== false) {
$type = empty($type)?$info['type']:$type;
unset($info);
// 载入原图
$createFun = 'ImageCreateFrom'.($type=='jpg'?'jpeg':$type);
$im = $createFun($image);
$dx = imagesx($im);
$dy = imagesy($im);
$i = 0;
$out = '<span style="padding:0px;margin:0;line-height:100%;font-size:1px;">';
set_time_limit(0);
for($y = 0; $y < $dy; $y++) {
for($x=0; $x < $dx; $x++) {
$col = imagecolorat($im, $x, $y);
$rgb = imagecolorsforindex($im,$col);
$str = empty($string)?'*':$string[$i++];
$out .= sprintf('<span style="margin:0px;color:#%02x%02x%02x">'.$str.'</span>',$rgb['red'],$rgb['green'],$rgb['blue']);
}
$out .= "<br>\n";
}
$out .= '</span>';
imagedestroy($im);
return $out;
}
return false;
} /**
+----------------------------------------------------------
* 生成高级图像验证码
+----------------------------------------------------------
* @static
* @access public
+----------------------------------------------------------
* @param string $type 图像格式
* @param string $width 宽度
* @param string $height 高度
+----------------------------------------------------------
* @return string
+----------------------------------------------------------
*/
static function showAdvVerify($type='png',$width=180,$height=40)
{
$rand = range('a','z');
shuffle($rand);
$verifyCode = array_slice($rand,0,10);
$letter = implode(" ",$verifyCode);
$_SESSION['verifyCode'] = $verifyCode;
$im = imagecreate($width,$height);
$r = array(225,255,255,223);
$g = array(225,236,237,255);
$b = array(225,236,166,125);
$key = mt_rand(0,3);
$backColor = imagecolorallocate($im, $r[$key],$g[$key],$b[$key]);
$borderColor = imagecolorallocate($im, 100, 100, 100); //边框色
imagefilledrectangle($im, 0, 0, $width - 1, $height - 1, $backColor);
imagerectangle($im, 0, 0, $width-1, $height-1, $borderColor);
$numberColor = imagecolorallocate($im, 255,rand(0,100), rand(0,100));
$stringColor = imagecolorallocate($im, rand(0,100), rand(0,100), 255);
// 添加干扰
/*
for($i=0;$i<10;$i++){
$fontcolor=imagecolorallocate($im,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255));
imagearc($im,mt_rand(-10,$width),mt_rand(-10,$height),mt_rand(30,300),mt_rand(20,200),55,44,$fontcolor);
}
for($i=0;$i<255;$i++){
$fontcolor=imagecolorallocate($im,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255));
imagesetpixel($im,mt_rand(0,$width),mt_rand(0,$height),$fontcolor);
}*/
imagestring($im, 5, 5, 1, "0 1 2 3 4 5 6 7 8 9", $numberColor);
imagestring($im, 5, 5, 20, $letter, $stringColor);
Image::output($im,$type);
} /**
+----------------------------------------------------------
* 生成UPC-A条形码
+----------------------------------------------------------
* @static
+----------------------------------------------------------
* @param string $type 图像格式
* @param string $type 图像格式
* @param string $lw 单元宽度
* @param string $hi 条码高度
+----------------------------------------------------------
* @return string
+----------------------------------------------------------
*/
static function UPCA($code,$type='png',$lw=2,$hi=100) {
static $Lencode = array('0001101','0011001','0010011','0111101','0100011',
'0110001','0101111','0111011','0110111','0001011');
static $Rencode = array('1110010','1100110','1101100','1000010','1011100',
'1001110','1010000','1000100','1001000','1110100');
$ends = '101';
$center = '01010';
/* UPC-A Must be 11 digits, we compute the checksum. */
if ( strlen($code) != 11 ) { die("UPC-A Must be 11 digits."); }
/* Compute the EAN-13 Checksum digit */
$ncode = '0'.$code;
$even = 0; $odd = 0;
for ($x=0;$x<12;$x++) {
if ($x % 2) { $odd += $ncode[$x]; } else { $even += $ncode[$x]; }
}
$code.=(10 - (($odd * 3 + $even) % 10)) % 10;
/* Create the bar encoding using a binary string */
$bars=$ends;
$bars.=$Lencode[$code[0]];
for($x=1;$x<6;$x++) {
$bars.=$Lencode[$code[$x]];
}
$bars.=$center;
for($x=6;$x<12;$x++) {
$bars.=$Rencode[$code[$x]];
}
$bars.=$ends;
/* Generate the Barcode Image */
if ( $type!='gif' && function_exists('imagecreatetruecolor')) {
$im = imagecreatetruecolor($lw*95+30,$hi+30);
}else {
$im = imagecreate($lw*95+30,$hi+30);
}
$fg = ImageColorAllocate($im, 0, 0, 0);
$bg = ImageColorAllocate($im, 255, 255, 255);
ImageFilledRectangle($im, 0, 0, $lw*95+30, $hi+30, $bg);
$shift=10;
for ($x=0;$x<strlen($bars);$x++) {
if (($x<10) || ($x>=45 && $x<50) || ($x >=85)) { $sh=10; } else { $sh=0; }
if ($bars[$x] == '1') { $color = $fg; } else { $color = $bg; }
ImageFilledRectangle($im, ($x*$lw)+15,5,($x+1)*$lw+14,$hi+5+$sh,$color);
}
/* Add the Human Readable Label */
ImageString($im,4,5,$hi-5,$code[0],$fg);
for ($x=0;$x<5;$x++) {
ImageString($im,5,$lw*(13+$x*6)+15,$hi+5,$code[$x+1],$fg);
ImageString($im,5,$lw*(53+$x*6)+15,$hi+5,$code[$x+6],$fg);
}
ImageString($im,4,$lw*95+17,$hi-5,$code[11],$fg);
/* Output the Header and Content. */
Image::output($im,$type);
} // 生成手机号码
static public function buildPhone() {
}
// 生成邮箱图片
static public function buildEmail($email,$rgb=array(),$filename='',$type='png') {
$mail = explode('@',$email);
$user = trim($mail[0]);
$mail = strtolower(trim($mail[1]));
$path = dirname(__FILE__).'/Mail/';
if(is_file($path.$mail.'.png')) {
$im = imagecreatefrompng($path.$mail.'.png');
$user_width = imagettfbbox(9, 0, dirname(__FILE__)."/Mail/tahoma.ttf", $user);
$x_value = (200 - ($user_width[2] + 113));
if(empty($rgb)) {
$color = imagecolorallocate($im, 102, 104, 104);
}else{
$color = imagecolorallocate($im, $rgb[0], $rgb[1], $rgb[2]);
}
imagettftext($im, 9, 0, $x_value, 16, $color, dirname(__FILE__)."/Mail/tahoma.ttf", $user);
}else{
$user_width = imagettfbbox(9, 0, dirname(__FILE__)."/Mail/tahoma.ttf", $email);
$width = $user_width[2]+15;
$height = 20;
$im = imagecreate($width,20);
$backColor = imagecolorallocate($im, 255,255,255); //背景色（随机）
$borderColor = imagecolorallocate($im, 100, 100, 100); //边框色
$pointColor = imagecolorallocate($im,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255)); //点颜色
imagefilledrectangle($im, 0, 0, $width - 1, $height - 1, $backColor);
imagerectangle($im, 0, 0, $width-1, $height-1, $borderColor);
if(empty($rgb)) {
$color = imagecolorallocate($im, 102, 104, 104);
}else{
$color = imagecolorallocate($im, $rgb[0], $rgb[1], $rgb[2]);
}
imagettftext($im, 9, 0, 5, 16, $color, dirname(__FILE__)."/Mail/tahoma.ttf", $email);
for($i=0;$i<25;$i++){
imagesetpixel($im,mt_rand(0,$width),mt_rand(0,$height),$pointColor);
}
}
Image::output($im,$type,$filename);
} static function output($im,$type='png',$filename='')
{
header("Content-type: image/".$type);
$ImageFun='image'.$type;
if(empty($filename)) {
$ImageFun($im);
}else{
$ImageFun($im,$filename);
}
imagedestroy($im);
} }
?>
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