Jquery怎么将一个object对象转换成json字符串

Answer 1

var a={"name":"tom","sex":"男","age":"24"};
var b='{"name":"Mike","sex":"女","age":"29"}';
var aToStr=JSON.stringify(a);
var bToObj=JSON.parse(b);
alert(typeof(aToStr)); //string
alert(typeof(bToObj));//object
这个需要你装一个json的js插件，你网上下载一个就可以了

Answer 2

var obj = {};
obj.projectID = $("#list").val();
……

$.ajax({
type: "POST",
contentType: "application/json;utf-8",
url: "/Task/Creat",
dataType: "text",
data: "json=" + jQuery.toJSON(obj) + "&id=0",
success: function (data) {
……
},
error: function () {
alert("失败，请稍后再试！");
}
});