链接：https://pan.baidu.com/s/1KHzX_jFFBaw4QBKBR8UrgA
提取码：qmdo
复制这段内容后打开百度网盘手机App，操作更方便哦

30jquery-qrcode生成二维码_大数据

 

如上所示，建立一个web程序

<%@ page language="java" contentType="text/html; charset=UTF-8"
  
         pageEncoding="UTF-8"%>
  
     <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  
     <html>
  
     <head>
  
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  
     <title>生成二维码</title>
  
  
     <script type="text/javascript" src ="<%=request.getContextPath() %>/js/jquery.min.js"></script>
  
     <script type="text/javascript" src ="<%=request.getContextPath() %>/js/jquery.qrcode.min.js"></script>
  
     </head>
  
     <body>


 
    生成的二维码如下：<br>
 
 
 

<div id = "qrcode"></div>
  
  
     <script type="text/javascript">
  
  
     //二选一
  
     jQuery('#qrcode').qrcode("https://blog.cs.net/weixin_43392489");
  
  
     //jQuery('#qrcode').qrcode({width: 250, height: 250,text: "www.baidu.com/hhh"});
  
  
     </script>
  
  
     </body>
  
     </html>