日期:2014-05-16 浏览次数:20501 次
1:添加json的jar包...jsonplugin-0.34.jar
2.Struts.xml配置如下
<package name="json" extends="json-default">
<action name="listuser" class="List">
<result type="json" />
</action>
</package>
?3.action配置
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getJs() {
return js;
}
public void setJs(String js) {
this.js = js;
}
public String getHello() {
return hello;
}
public void setHello(String hello) {
this.hello = hello;
}
?4.jsp页面:
<html>
<head>
<base href="<%=basePath%>">
<title>Josn</title>
<script type="text/javascript" src="jquery-1.4.2.js"></script>
<script type="text/javascript">
function validate(){
alert($("#userName").val());
jQuery.post("listuser.action",{"userName":$("#userName").val()},function (json){
alert(json.hello);
$("#message").text(json.hello);
},"json");
}
</script>
</head>
<body>
用户名:<input type="text" id="userName"><button onclick="validate()">验证</button><br><br/><br>
<font id="message"></font>
</body>
</html>
?