dwr入门代码二

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DWR JavaScript Bean XML Cache

dwr.Xml代码
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE dwr PUBLIC "-//GetAhead Limited//DTD Direct Web Remoting 2.0//EN" "http://getahead.org/dwr//dwr20.dtd">
<dwr>

<allow>
         <create creator="new" javascript="Student" scope="application">
        <param name="class" value="com.xzj.service.StudentService"/>
    </create>
    <convert converter="com.xzj.domain.Student" match="bean"/>
</allow>
</dwr>

StudentService方法的代码如下：
Java代码
package com.xzj.service;

import java.util.ArrayList;
import java.util.List;

import com.xzj.domain.Student;

public class StudentService {

    public  List find(){
        List list=new ArrayList();
        for(int k=1;k<10;k++){
            list.add(k);
        }
        return list;
    }

    public Student findStudent(){
        Student stu=new Student();
        stu.setId(127);
        stu.setName("小虎队");
        stu.setAge(48);
        return stu;
    }

    public List listStudent(){
        List list=new ArrayList();
        Student stu=null;
        for(int k=1;k<6;k++){
            stu=new Student();
            stu.setId(k);
            stu.setName("小猪"+k);
            stu.setAge(23+k);
            list.add(stu);
        }
        return list;
    }
}

Student 的代码如下：
Java代码
package com.xzj.domain;

public class Student {
private int id;
private String name;
private int age;

public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
}

前台index.jsp的代码如下：
Java代码
<%@ page language="java"  pageEncoding="UTF-8"%>
<html>
  <head>
    <title>DWR Operator List and Object</title>
    <meta http-equiv="pragma" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache">
    <meta http-equiv="expires" content="0">
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="This is my page">
    <style type="text/css">
    a:link, a:visited{
        margin:10px;
        color:#A62020;
        padding:4px 10px 4px 10px;
        background-color: #ecd8db;
        text-decoration:none;
        border-top: 1px solid #EEEEEE;
        border-left: 1px solid #EEEEEE;
        border-bottom: 1px solid #717171;
        border-right: 1px solid #717171;
    }

    a:hover{
        margin:10px;
        color:#821818;
        padding:5px 8px 3px 12px;
        background-color:#e2c4c9;
        border-top:1px solid #717171;
        border-left:1px solid #717171;
        border-bottom:1px solid #EEEEEE;
        border-right:1px solid #EEEEEE;
    }

    .datalist{
        border:1px solid #5F6F7E;
        border-collapse:collapse;
        width:60%;
    }
    .datalist th{
        border:1px solid #5F6F7E;
        background-color:#E2E2E2;
        color:#000000px;
        font-weight:normal;
        text-align:center;
        padding:2px 8px 2px 6px;
        height:20px;
    }
    .datalist td{
        margin:0px;
        padding:1px;
        border:1px solid #ABABAB;
        }
       .put{
        margin:0px;
        border:0;
        background-color:#E2E2E2;
        padding:5px;
        border-bottom:1px solid #ABABAB;
        width:auto;
    }
    </style>
    <script type="text/javascript" src='dwr/interface/Student.js'></script>
　　 <script type="text/javascript" src='dwr/engine.js'></script>
　　 <script type="text/javascript" src='dwr/util.js'></script>
    <script type="text/javascript">
        function find(){
            Student.find(showMessage);
            function showMessage(msg){
                var rs=new Array();
                rs=msg
                for(var k in rs){
                    alert("List中的:"+rs[k]);
                }
            }
        }

        function findStudent(){
            Student.findStudent(showMessage);
            function showMessage(msg){
                //操作Bean文件Student 必须要先再dwr.xml中配置
                /**<convert converter="bean" match="com.xzj.domain.Student"/>*/
                var msgStr="编号:"+msg.id+"\n姓名:"+msg.name+"\n年龄:"+msg.age;
                alert(msgStr);
            }
        }

        function listStudent(){
            Student.listStudent(showMessage);
            function showMessage(msg){
                var rs=new Array();
                rs=msg;
                var table="<table  class='datalist'>";
                        table+="<tr>";
                            table+="<th>编号</th>";
                            table+="<th>姓名</th>";
                            table+="<th>年龄</th>";
                        table+="</tr>";
                for(var k in rs){
                    table+="<tr>";
                        table+="<th>"+rs[k].id+"</th>";
                        table+="<td>"+rs[k].name+"</td>";
                        table+="<td>"+rs[k].age+"</td>";
                    table+="</tr>";
                }
                table+="</table>";
                showMsg.innerHTML=table;
            }
        }
    </script>
  </head>

  <body>
    <center>
        <input type="button" class="put" name="btnList" value="查看对List的操作" onclick="find()"/>
        <input type="button" class="put" name="btnList" value="查看对Student对象的操作" onclick="findStudent()"/>
        <input type="button" class="put" name="btnList" value="查看对List中5个Student对象的操作" onclick="listStudent()"/>
    </center>
    <br><br>
    <br><br>
    <div id="showMsg" style="border:1px dashed #CCCCCC;width:500px:height:auto;margin:5px;padding:5px;text-align:center;">

    </div>
  </body>
</html>
记得在web.xml中配置

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dwr入门代码三 | dwr入门代码一

2008-11-18 14:30
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