ylbtech-小程序-demo:妹纸图

1.返回顶部
0、
   
1、app.js
//app.js
App({
onLaunch: function () {
//调用API从本地缓存中获取数据
var logs = wx.getStorageSync('logs') || []
logs.unshift(Date.now())
wx.setStorageSync('logs', logs)
},
getUserInfo:function(cb){
var that = this
if(this.globalData.userInfo){
typeof cb == "function" && cb(this.globalData.userInfo)
}else{
//调用登录接口
wx.login({
success: function () {
wx.getUserInfo({
success: function (res) {
that.globalData.userInfo = res.userInfo
typeof cb == "function" && cb(that.globalData.userInfo)
}
})
}
})
}
},
globalData:{
userInfo:null
}
})
2、app.json
{
"pages":[
"pages/index/index",
"pages/image/image"
],
"window":{
"backgroundTextStyle":"dark",
"navigationBarBackgroundColor": "#fff",
"navigationBarTitleText": "妹纸图",
"navigationBarTextStyle":"black"
}
}
3、app.wxss
/**app.wxss**/
4、project.config.json
{
"description": "项目配置文件。",
"packOptions": {
"ignore": []
},
"setting": {
"urlCheck": false,
"es6": true,
"postcss": true,
"minified": true,
"newFeature": true
},
"compileType": "miniprogram",
"libVersion": "2.2.3",
"appid": "wx7d22ab7088f2db6a",
"projectname": "meiziApp",
"isGameTourist": false,
"condition": {
"search": {
"current": -1,
"list": []
},
"conversation": {
"current": -1,
"list": []
},
"game": {
"currentL": -1,
"list": []
},
"miniprogram": {
"current": -1,
"list": []
}
}
}
5、pages
-image
-index
6、utils
-constant.js
//url相关
var BASE_URL = "http://gank.io/api";
var GET_MEIZHI_URL = BASE_URL.concat("/data/%E7%A6%8F%E5%88%A9/10/"); // 将方法、变量暴露出去
module.exports = {
BASE_URL: BASE_URL,
GET_MEIZHI_URL: GET_MEIZHI_URL
}
-util.js
// 工具类
function formatTime(date) {
var year = date.getFullYear()
var month = date.getMonth() + 1
var day = date.getDate() var hour = date.getHours()
var minute = date.getMinutes()
var second = date.getSeconds() return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':')
} function formatNumber(n) {
n = n.toString()
return n[1] ? n : '0' + n
} module.exports = {
formatTime: formatTime
}
7、
2. pages返回顶部
1、image
a) .js
Page({
data: {
url: "",
hidden: false,
toastHidden: true,
modalHidden: true,
toastText: "数据异常",
loadingText: "加载中..."
}, onLoad: function (options) {
that = this;
if (options == null || options.url == null) {
this.setData({ hidden: true, toastHidden: false });
return;
} this.setData({
hidden: true,
toastHidden: true,
url: options.url
})
},
//Toast信息改变
onToastChanged: function (event) {
this.setData({ toastHidden: true });
},
// 长按
onlongclick: function () {
this.setData({ modalHidden: false });
},
// 保存
onSaveClick: function (event) {
var mUrl = "";
if (event.currentTarget.dataset.url != null)
mUrl = event.currentTarget.dataset.url;
console.log("download:" + mUrl);
saveImage(mUrl);
},
// 取消
onCancelClick: function (event) {
this.setData({ modalHidden: true });
},
}); var that;
/**
* 保存图片
*/
function saveImage(mUrl) {
that.setData({
hidden: false,
toastHidden: true,
modalHidden: true,
loadingText: "下载中..."
});
wx.downloadFile({
url: mUrl,
type: 'image',
success: function (res) {
console.log("download success");
that.setData({
hidden: true,
toastHidden: false,
toastText: "恭喜你,图片保存成功"
});
},
fail: function (res) {
console.log("download fail");
that.setData({
hidden: true,
toastHidden: false,
toastText: "保存失败,请稍后再试"
});
},
complete: function (res) {
console.log("download complete");
}
})
}
b) .json
{}
c) .wxml
<!--image.wxml-->
<view >
<loading hidden="{{hidden}}" >
{{loadingText}}
</loading> <toast hidden="{{toastHidden}}" bindchange="onToastChanged">
{{toastText}}
</toast> <view bindlongtap = "onlongclick">
<image class = "bigImage" mode="aspectFill" src="{{url}}" />
</view> <modal title="是否保存?" confirm-text="保存" cancel-text="取消" data-url="{{url}}"
hidden="{{modalHidden}}" bindconfirm="onSaveClick" bindcancel="onCancelClick">
</modal> </view>
d) .wxss
/*image.wxss*/
.bigImage{
width: 95%;
height: 1000rpx;
margin: auto;
overflow: auto;
position: absolute;
top:; left:; bottom:; right:;
}
e)
2、index
a) .js
//index.js
//获取应用实例
var app = getApp()
Page({
data: {
items: [],
hidden: false,
loading: false,
// loadmorehidden:true,
plain: false
}, onItemClick: function (event) {
var targetUrl = "/pages/image/image";
if (event.currentTarget.dataset.url != null)
targetUrl = targetUrl + "?url=" + event.currentTarget.dataset.url;
wx.navigateTo({
url: targetUrl
});
}, // loadMore: function( event ) {
// var that = this
// requestData( that, mCurrentPage + 1 );
// }, onReachBottom: function () {
console.log('onLoad')
var that = this
that.setData({
hidden: false,
});
requestData(that, mCurrentPage + 1);
}, onLoad: function () {
console.log('onLoad')
var that = this
requestData(that, mCurrentPage + 1);
} }) /**
* 定义几个数组用来存取item中的数据
*/
var mUrl = [];
var mDesc = [];
var mWho = [];
var mTimes = [];
var mTitles = []; var mCurrentPage = 0; // 引入utils包下的js文件
var Constant = require('../../utils/constant.js'); /**
* 请求数据
* @param that Page的对象,用来setData更新数据
* @param targetPage 请求的目标页码
*/
function requestData(that, targetPage) {
wx.showToast({
title: '加载中',
icon: 'loading'
});
wx.request({
url: Constant.GET_MEIZHI_URL + targetPage,
header: {
"Content-Type": "application/json"
},
success: function (res) {
if (res == null ||
res.data == null ||
res.data.results == null ||
res.data.results.length <= 0) { console.error("god bless you...");
return;
} for (var i = 0; i < res.data.results.length; i++)
bindData(res.data.results[i]); //将获得的各种数据写入itemList,用于setData
var itemList = [];
for (var i = 0; i < mUrl.length; i++)
itemList.push({ url: mUrl[i], desc: mDesc[i], who: mWho[i], time: mTimes[i], title: mTitles[i] }); that.setData({
items: itemList,
hidden: true,
// loadmorehidden:false,
}); mCurrentPage = targetPage; wx.hideToast();
}
});
} /**
* 绑定接口中返回的数据
* @param itemData Gank.io返回的content;
*/
function bindData(itemData) { var url = itemData.url.replace("//ww", "//ws");
var desc = itemData.desc;
var who = itemData.who;
var times = itemData.publishedAt.split("T")[0]; mUrl.push(url);
mDesc.push(desc);
mWho.push(who);
mTimes.push(times);
mTitles.push("publish by:" + "@" + who + " —— " + times);
}
b) .json
{}
c) .wxml
<!--index.wxml-->
<view> <view class= "card" wx:for = "{{items}}"> <view data-url="{{item.url}}" bindtap = "onItemClick">
<image class= "image" mode="aspectFill" src="{{item.url}}"/>
<view class="title">{{item.title}}</view>
</view> </view> </view>
d) .wxss
/**index.wxss**/
.card {
border: 2px solid #ffffff;
border-radius: 5px;
background-color: #ffffff;
box-shadow: 0px 5px 1px #cccccc;
margin: 8px;
position: relative;
} .loadmore {
border: 0px solid #ffffff;
border-radius: 5px;
background-color: #ffffff;
box-shadow: 0px 5px 1px #cccccc;
margin: 8px;
} .image{
width:100%;
height:240px;
} .title {
padding: 14px;
font-size: 14px;
}
e)
3、
3.返回顶部
 
4.返回顶部
1、https://gank.io/api/data/%E7%A6%8F%E5%88%A9/10/1
{"error":false,"results":[{"_id":"5b7b836c9d212201e982de6e","createdAt":"2018-08-21T11:13:48.989Z","desc":"2018-08-21","publishedAt":"2018-08-21T00:00:00.0Z","source":"web","type":"\u798f\u5229","url":"https://ws1.sinaimg.cn/large/0065oQSqly1fuh5fsvlqcj30sg10onjk.jpg","used":true,"who":"lijinshanmx"},{"_id":"5b74e9409d21222c52ae4cb4","createdAt":"2018-08-16T11:02:24.289Z","desc":"2018-08-16","publishedAt":"2018-08-16T00:00:00.0Z","source":"api","type":"\u798f\u5229","url":"https://ws1.sinaimg.cn/large/0065oQSqly1fubd0blrbuj30ia0qp0yi.jpg","used":true,"who":"lijinshan"},{"_id":"5b7102749d2122341d563844","createdAt":"2018-08-13T12:00:52.458Z","desc":"2018-08-13","publishedAt":"2018-08-13T00:00:00.0Z","source":"api","type":"\u798f\u5229","url":"https://ww1.sinaimg.cn/large/0065oQSqly1fu7xueh1gbj30hs0uwtgb.jpg","used":true,"who":"lijinshan"},{"_id":"5b6bad449d21226f45755582","createdAt":"2018-08-09T10:56:04.962Z","desc":"2018-08-09","publishedAt":"2018-08-09T00:00:00.0Z","source":"web","type":"\u798f\u5229","url":"https://ww1.sinaimg.cn/large/0065oQSqgy1fu39hosiwoj30j60qyq96.jpg","used":true,"who":"lijinshanmx"},{"_id":"5b67b7fd9d2122195bdbd806","createdAt":"2018-08-06T10:52:45.809Z","desc":"2018-08-06","publishedAt":"2018-08-06T00:00:00.0Z","source":"api","type":"\u798f\u5229","url":"https://ww1.sinaimg.cn/large/0065oQSqly1ftzsj15hgvj30sg15hkbw.jpg","used":true,"who":"lijinshan"},{"_id":"5b63cd4e9d21225e0d3f58c9","createdAt":"2018-08-03T11:34:38.672Z","desc":"2018-08-03","publishedAt":"2018-08-03T00:00:00.0Z","source":"api","type":"\u798f\u5229","url":"https://ww1.sinaimg.cn/large/0065oQSqgy1ftwcw4f4a5j30sg10j1g9.jpg","used":true,"who":"lijinshan"},{"_id":"5b6151509d21225206860f08","createdAt":"2018-08-01T14:21:04.556Z","desc":"2018-08-01","publishedAt":"2018-08-01T00:00:00.0Z","source":"api","type":"\u798f\u5229","url":"https://ww1.sinaimg.cn/large/0065oQSqly1ftu6gl83ewj30k80tites.jpg","used":true,"who":"lijinshan"},{"_id":"5b60356a9d212247776a2e0e","createdAt":"2018-07-31T18:09:46.825Z","desc":"2018-07-31","publishedAt":"2018-07-31T00:00:00.0Z","source":"api","type":"\u798f\u5229","url":"http://ww1.sinaimg.cn/large/0065oQSqgy1ftt7g8ntdyj30j60op7dq.jpg","used":true,"who":"lijinshan"},{"_id":"5b5e93499d21220fc64181a9","createdAt":"2018-07-30T12:25:45.937Z","desc":"2018-07-30","publishedAt":"2018-07-30T00:00:00.0Z","source":"web","type":"\u798f\u5229","url":"https://ww1.sinaimg.cn/large/0065oQSqgy1ftrrvwjqikj30go0rtn2i.jpg","used":true,"who":"lijinshanmx"},{"_id":"5b50107f421aa917a31c0565","createdAt":"2018-07-19T12:15:59.226Z","desc":"2018-07-19","publishedAt":"2018-07-19T00:00:00.0Z","source":"web","type":"\u798f\u5229","url":"https://ww1.sinaimg.cn/large/0065oQSqly1ftf1snjrjuj30se10r1kx.jpg","used":true,"who":"lijinshanmx"}]}
2、
5.返回顶部
0、
1、
 
6.返回顶部
 
作者:ylbtech
出处:http://ylbtech.cnblogs.com/
本文版权归作者和博客园共有,欢迎转载,但未经作者同意必须保留此段声明,且在文章页面明显位置给出原文连接,否则保留追究法律责任的权利。

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