Proxy代理的使用（客户端代理和服务端代理）

╰半橙微兮° 2022-05-19 00:56 136阅读 0赞

client---------------

<!DOCTYPE html>
    <html>
    <head>
        <title>test client proxy</title>
        <link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-classic/resources/theme-classic-all.css" rel="stylesheet">
        <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/ext-all.js"></script>
        <script type="text/javascript">
          Ext.onReady(function(){
            Ext.define('User', {
              extend: 'Ext.data.Model',
              fields: ['name', 'age']
            });
            var store = new Ext.data.Store({
              model: 'User'
            });
    
            var proxy = new Ext.data.proxy.Memory({
              model: 'User',
              data: {
                name: 'kyrie',
                age: 111
              }
            });
    
            store.setProxy(proxy);
    
            store.load(function(records, operation, success){
              if (success) {
                var msg = [];
                store.each(function(user){
                  msg.push('name = ' + user.get('name') + ', age = ' + user.get('age') );
                });
                Ext.Msg.alert('msg', msg);
              }
            });
          });
        </script>
    </head>
    <body>
    <div id="form"></div>
    <div id="server">
        <a href="json.html">click here</a>
    </div>
    </body>
    </html>

server---------------

<!DOCTYPE html>
    <html>
    <head>
        <title>test client proxy</title>
        <link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-classic/resources/theme-classic-all.css" rel="stylesheet">
        <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/ext-all.js"></script>
        <script type="text/javascript">
          Ext.onReady(function(){
            Ext.define('User', {
              extend: 'Ext.data.Model',
              fields: ['name', 'age']
            });
            var store = Ext.create('Ext.data.Store', {
              model: 'User',
              proxy: {
                type: 'ajax',
                url: '/ext/json',
                reader: {
                  type: 'json',
                }
              }
            });
    
            store.load(function(records, operation, success){
              if (success) {
                var msg = [];
                store.each(function(user){
                  msg.push('name = ' + user.get('name') + ', age = ' + user.get('age') );
                });
                Ext.Msg.alert('msg', msg);
              }
            });
          });
        </script>
    </head>
    <body>
    <div id="form"></div>
    </body>
    </html>

package com.zg.kyrie;
    
    import javax.servlet.ServletException;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    import java.io.IOException;
    
    public class ExtServlet extends HttpServlet {
        @Override
        protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
            String result = "{'name': 'kingjames', 'age': 33}";
            resp.setContentType("application/json;charset=utf-8");
            resp.setStatus(200);
            resp.getWriter().write(result);
        }
    
        @Override
        protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
            super.doPost(req, resp);
        }
    }

reference: [https://blog.csdn.net/yubo\_725/article/details/45641553][https_blog.csdn.net_yubo_725_article_details_45641553]

[https_blog.csdn.net_yubo_725_article_details_45641553]: https://blog.csdn.net/yubo_725/article/details/45641553