日期:2014-05-16 浏览次数:20435 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>?