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Spring Ajax一个简单例子

2014-12-15 22:59 211 查看
配置不说了，要在前面helloworld的例子基础上弄。

同样在hello下新建ajax.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ page isELIgnored ="false" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Spring MVC Example with AJAX call</title>
<style type="text/css">
body {
background-image:
url('http://cdn3.crunchify.com/wp-content/uploads/2013/03/Crunchify.bg_.300.png');
}
</style>
<script type="text/javascript"
src="http://code.jquery.com/jquery-1.10.1.min.js"></script>
<script type="text/javascript">
function crunchifyAjax() {
$.ajax({
url : 'ajaxtest.html',
success : function(data) {
$('#result').html(data);
}
});
}
</script>

<script type="text/javascript">
var intervalId = 0;
intervalId = setInterval(crunchifyAjax, 3000);
</script>
</head>
<body>
<div align="center">
<br> <br> ${message} <br> <br>
<div id="result"></div>
<br>
<p>
by <a href="http://crunchify.com">Crunchify.com</a>
</p>
</div>
</body>
</html>


创建Controller：

package com.cqu.tutorial;

import java.util.Date;
import java.util.Random;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;
@Controller
public class SpringAjaxJQuery {
@RequestMapping("/ajax")
public ModelAndView helloAjaxTest() {
return new ModelAndView("ajax", "message", "Crunchify Spring MVC with Ajax and JQuery Demo..");
}

@RequestMapping(value = "/ajaxtest", method = RequestMethod.GET)
public @ResponseBody
String getTime() {

Random rand = new Random();
float r = rand.nextFloat() * 100;
String result = "<br>Next Random # is <b>" + r + "</b>. Generated on <b>" + new Date().toString() + "</b>";
System.out.println("Debug Message from SpringAjaxJQuery Controller.." + new Date().toString());
return result;
}
}


最重要的一个问题就是import包的时候，ModelAndView引入的包是
import org.springframework.web.servlet.ModelAndView;


不要搞错了！！！！！！！！！！！
                                            

                                        

                        
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