Action代碼片段
public class AjaxAction extends ActionSupport{
private User user;
private InputStream result;
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
public InputStream getResult() {
return result;
}
public void setResult(String resultStr) {
try{
this.result=new ByteArrayInputStream(resultStr.getBytes("UTF-8"));
}
catch(Exception e){
e.printStackTrace();
}
}
public String getStream(){
this.setResult("success");
return SUCCESS;
}
public String getJson(){
user=new User("1","sisu");
return SUCCESS;
}
}struts.xml配置
<package name="ajax" extends="json-default"><!-- 繼承json-default -->
<action name="getStream" class="com.action.AjaxAction"
method="getStream">
<result name="success" type="stream">
<param name="contentType">text/html</param>
<param name="inputName">result</param>
</result>
</action>
<action name="getJson" class="com.action.AjaxAction"
method="getJson" >
<result name="success" type="json">
<param name="root">user</param>
<param name="noCache">true</param>
</result>
</action>
</package>頁面js代碼
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>struts的ajax應用</title>
<script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.1/jquery.min.js"></script>
<script type="text/javascript">
$(function(){
$(".getstream-btn").click(function(){
$.ajax({
url:"getStream",
type:"GET",
success:function(data){
alert(data);
}
});
});
$(".getjson-btn").click(function(){
$.ajax({
url:"getJson",
type:"GET",
success:function(data){
alert(JSON.stringify(data));
}
});
});
});
</script>
</head>
<body>
<a href="javascript:void(0);" class="getstream-btn">獲取stream類型返回結果</a><br/>
<a href="javascript:void(0);" class="getjson-btn">獲取json類型返回結果</a>
</body>
</html>
返回json結果時注意導入json插件:struts2-json-plugin-xxx.jar
