1. Ext.onReady(function() {
   
2. 
   
3. store3 = new Ext.data.JsonStore({
   
4. autoDestroy: true,
   
5. totalProperty : 'totle',
   
6. url: 'service.do',
   
7. storeId: 'myStore',
   
8. root: 'data',
   
9. fields : [ 'id', "name", "pw" ]
   
10. });
    
11. 
    
12. var pagingToolbar = new Ext.PagingToolbar({
    
13. emptyMsg : "没有数据",
    
14. displayInfo : true,
    
15. displayMsg : "显示从{0}条数据到{1}条数据，共{2}条数据",
    
16. store : store3,
    
17. pageSize : 50
    
18. });
    
19. 
    
20. var grade = new Ext.grid.GridPanel({
    
21. title : "数据列表",
    
22. store : store3,
    
23. height : 300,
    
24. bbar : pagingToolbar,
    
25. columns : [ {
    
26. header : "id",
    
27. dataIndex : "id",
    
28. width : 300
    
29. }, {
    
30. header : "name",
    
31. dataIndex : "name",
    
32. width : 300
    
33. }, {
    
34. header : "pw",
    
35. dataIndex : "pw"
    
36. } ],
    
37. region : 'center'
    
38. });
    
39. 
    
40. var panel = new Ext.Viewport({
    
41. layout : 'border',
    
42. items : [ grade ]
    
43. });
    
44. });

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action********************

1. protected void service(HttpServletRequest request,
   
2. HttpServletResponse response) throws ServletException, IOException {
   
3. 
   
4. List list = new ArrayList();
   
5. for (int i = 0; i < 50; i++) {
   
6. Person p = new Person();
   
7. p.setId("id" + i);
   
8. p.setName("name" + i);
   
9. p.setPw("pw" + i);
   
10. list.add(p);
    
11. }
    
12. StringBuffer info = new StringBuffer();
    
13. info.append("{totle:2000,data:");
    
14. info.append(JSONArray.fromObject(list));
    
15. info.append("}");
    
16. System.out.println(info.toString());
    
17. System.out.println("*****doPos");
    
18. request.setAttribute("info", info.toString());
    
19. request.getRequestDispatcher("/info.jsp").forward(request, response);
    
20. }

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info.jsp************注意：jsp除了 @page 不能有其他的文字

1. <%@ page language="java" contentType="text/html; charset=ISO-8859-1"
   
2. pageEncoding="ISO-8859-1"%>
   
3. ${info}

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web.xml***************

1. <?xml version="1.0" encoding="UTF-8"?>
   
2. <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   
3. xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
   
4. xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
   
5. id="WebApp_ID" version="2.5">
   
6. <servlet>
   
7. <servlet-name>test</servlet-name>
   
8. <servlet-class>com.aa.TestAction</servlet-class>
   
9. </servlet>
   
10. <servlet-mapping>
    
11. <servlet-name>test</servlet-name>
    
12. <url-pattern>*.do</url-pattern>
    
13. </servlet-mapping>
    
14. 
    
15. <welcome-file-list>
    
16. <welcome-file>index.jsp</welcome-file>
    
17. </welcome-file-list>
    
18. </web-app>

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