struts2 ajax一個很經典的小例子
2、struts.xml新增專為ajax使用的package
<package name="ajax" extends="json-default">
<action name="ajaxRequest"
class="org.david.struts2.HelloWorld">
<result type="json"></result>
</action>
</package>
3、helloworld.jsp
<SCRIPT type="text/javascript" src="js/jquery-1.2.6.min.js"></script>
<SCRIPT type="text/javascript">
function clickButton()
{
var url = 'ajaxRequest.action';
var params = {
name:$('#name').attr('value')
};
jQuery.post(url, params, callbackFun, 'json');
}
function callbackFun(data)
{
alert(data.result);//對應HelloWorld類的message屬性
//獲取資料後渲染頁面
}
</SCRIPT>
<input id="name" type="text">
<input type="button" value="ok" onclick="javascript:clickButton();">
4、HelloWorld.java
package org.david.struts2;
public class HelloWorld {
private String name;
private String result;
// ajax請求引數賦值
public void setName(String name) {
this.name = name;
}
// ajax返回結果
public String getResult() {
return result;
}
public String execute() {
this.result = "Hello! " + this.name + ".";
return "success";
}
}