如何用js定义数组，用js来拼接json字段

时间：2023-03-08 17:08:12

定义js数组的方式有：

var arr = ();

var arr = [];

var arr = new Array();

如何拼接成一个json字段。

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<HTML>

 <HEAD>

  <TITLE> obj TO JSON Demo </TITLE>

  <META NAME="Generator" CONTENT="EditPlus">

  <META NAME="Author" CONTENT="">

  <META NAME="Keywords" CONTENT="">

  <META NAME="Description" CONTENT="">

 </HEAD>

<SCRIPT type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></SCRIPT>

<script type="text/javascript" src="js/jquery.json-2.4.min.js"></script>

 <BODY>

 <h2>利用jquery-json将js对象转化为JSON床</h2>

 <INPUT TYPE="button" VALUE="生成JSON串" ONCLICK="" id="testBut"><br/>

 <div id="showDiv" style="display:none">

 <div>

 </BODY>

 <script type="text/javascript">

    function student(sid,name,age,classInfo){

        this.sid=sid;

        this.name=name;

        this.aeg=age;

        this.classInfo=classInfo;

    }

    function classInfo(classname,teacher){

        this.classname=classname;

        this.teacher=teacher;

    }

    $(function(){

        $("#testBut").click(function(){

            var students = new Array();

                arry = new classInfo('三年级一班','项正伟');

                students[0]=new student(2014001,'蔡子旭',23,arry);

                students[1]=new student(2014002,'张苞',24,arry);

                students[2]=new student(2014003,'张颌',33,arry);

            var jsonStr=$.toJSON(students);

            $("#showDiv").show();

            $("#showDiv").text(jsonStr);

        });

    });

 </script>

</HTML>