ext.onready(function() { store3 = new ext.data.jsonstore({ autodestroy: true, totalproperty : 'totle', url: 'service.do', storeid: 'mystore', root: 'data', fields : [ 'id', "name", "pw" ] }); var pagingtoolbar = new ext.pagingtoolbar({ emptymsg : "没有数据", displayinfo : true, displaymsg : "显示从{0}条数据到{1}条数据,共{2}条数据", store : store3, pagesize : 50 }); var grade = new ext.grid.gridpanel({ title : "数据列表", store : store3, height : 300, bbar : pagingtoolbar, columns : [ { header : "id", dataindex : "id", width : 300 }, { header : "name", dataindex : "name", width : 300 }, { header : "pw", dataindex : "pw" } ], region : 'center' }); var panel = new ext.viewport({ layout : 'border', items : [ grade ] }); });
action********************
protected void service(httpservletrequest request, httpservletresponse response) throws servletexception, ioexception { list list = new arraylist(); for (int i = 0; i < 50; i++) { person p = new person(); p.setid("id" + i); p.setname("name" + i); p.setpw("pw" + i); list.add(p); } stringbuffer info = new stringbuffer(); info.append("{totle:2000,data:"); info.append(jsonarray.fromobject(list)); info.append("}"); system.out.println(info.tostring()); system.out.println("*****dopos"); request.setattribute("info", info.tostring()); request.getrequestdispatcher("/info.jsp").forward(request, response); }
info.jsp************注意:jsp除了 @page 不能有其他的文字
<%@ page language="java" contenttype="text/html; charset=utf-8" pageencoding="iso-8859-1"%> ${info}
web.xml***************
<?xml version="1.0" encoding="utf-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/xmlschema-instance" xmlns="http://www.51sjk.com/Upload/Articles/1/0/261/261411_20210702000422659.jpg" xmlns:web="http://www.51sjk.com/Upload/Articles/1/0/261/261411_20210702000422659.jpg/web-app_2_5.xsd" xsi:schemalocation="http://www.51sjk.com/Upload/Articles/1/0/261/261411_20210702000422659.jpg http://www.51sjk.com/Upload/Articles/1/0/261/261411_20210702000422659.jpg/web-app_2_5.xsd" id="webapp_id" version="2.5"> <servlet> <servlet-name>test</servlet-name> <servlet-class>com.aa.testaction</servlet-class> </servlet> <servlet-mapping> <servlet-name>test</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>