[转]JS将图片转为base64编码】的更多相关文章

(前台在中approve_edit.html中,后台不变) 链接参考:http://www.cnblogs.com/Strom-HYL/p/6782176.html 该链接文中并没有用到easyUI的相关样式,也没有将图片的缩略图展示出来 现用一个新建页面进行显示,先看一下效果图: HTML: <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type&…
本文转自:https://blog.csdn.net/DeMonliuhui/article/details/79731359 1.根据img标签获取base64编码/** * * @param img html的img标签 * @param ext 图片格式 * @returns {string} */function getImageBase64(img, ext) { var canvas = document.createElement("canvas"); //创建canva…
获取图片的base64编码 <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> </head> <body> <input accept="image/*" name="upimage" id="upload_file" type="…
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>JS 图片转Base64</title> <script src="//cdn.bootcss.com/jquery/2.2.0/jquery.min.js"></script> <script> function run(input_fil…
protected void Page_Load(object sender, EventArgs e) { Image img = new Bitmap(Server.MapPath("/Libs/imgs/btn.png")); Response.Write("<img src='data:image/jpeg;base64," + ImageToBase(img, System.Drawing.Imaging.ImageFormat.Jpeg) + &q…
import base64 f = open("m1.jpg", "rb") res = f.read() s = base64.b64encode(res) f = open("hello.txt","w") f.write(s)…
var getDataFromImg = function(img) { var canvas = document.createElement('canvas'); var context = canvas.getContext('2d'); context.drawImage(img, 0, 0 ); var dataURL = canvas.toDataURL('image/png'); return dataURL.replace(/^data:image\/(png|jpg);base…
//图片 转为 base64编码的文本 private void button1_Click(object sender, EventArgs e) { OpenFileDialog dlg = new OpenFileDialog(); dlg.Title = "选择要转换的图片"; dlg.Filter = "Image files (*.jpg;*.bmp;*.gif)|*.jpg*.jpeg;*.gif;*.bmp|AllFiles (*.*)|*.*";…
#region 图片转为base64编码的字符串 public string ImgToBase64String(string Imagefilename) { try { Bitmap bmp = new Bitmap(Imagefilename); MemoryStream ms = new MemoryStream(); bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg); byte[] arr = new byte[ms.Lengt…
一.咱们经常会遇到浏览器给encode后的url,如何转换成咱们都能识别的url呢?很简单,talk is easy,Please show me your code,如下所示: (1)英文decode url='https://www.jyall.com/authorize?response_type=code&client_id=tg83cslIky&state=null&redirect_uri=https%3A%2F%2Fycapi.ele.me%2Fsso%2Fnapos…