java培训技术返回JSON

返回JSON

http://wiki.fasterxml.com/JacksonDownload/ 下载地址

jackson-annotations-2.1.5.jar

jackson-core-2.1.5.jar

jackson-databind-2.1.5.jar

@ResponseBody //SpringMVC对JSON的支持

@RequestMapping(“/testJSON”)

public Collection<Employee> testJSON(){

return employeeDao.getAll();

}

<%@ page language=”java” contentType=”text/html; charset=UTF-8″

pageEncoding=”UTF-8″%>

<!DOCTYPE html PUBLIC “-//W3C//DTD HTML 4.01 Transitional//EN”

“http://www.w3.org/TR/html4/loose.dtd”>

<html>

<head>

<title>Insert title here</title>

$(function(){

$(“#testJSON”).click(function(){

var url = this.href ;

var args = {};

$.post(url,args,function(data){

for(var i=0; i<data.length; i++){

var id = data[i].id;

var lastName = data[i].lastName ;

alert(id+” – ” + lastName);

}

});

return false ;

});

</script>

</head>

<body>

<a href=”empList”>To Employee List</a>

<a id=”testJSON” href=”testJSON”>testJSON</a>

</body>

</html>

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