通过Ajax post Json类型的数据

 function postSimpleData() {
        $.ajax({
            type: "POST",
            url: "/Service/SimpleData",
            contentType: "application/json", //必须有
            dataType: "json", //表示返回值类型，不必须
            data: JSON.stringify({ 'foo': 'foovalue', 'bar': 'barvalue' }),  //相当于 //data: "{'str1':'foovalue', 'str2':'barvalue'}",
            success: function (jsonResult) {
                alert(jsonResult);
            }
        });
    }
    function postListString() {
        $.ajax({
            type: "POST",
            url: "/Service/ListString",
            contentType: "application/json",
            dataType: "json",
            data: JSON.stringify({ "BuIds": ["1", "2", "3"] }),
            success: function (jsonResult) {
                alert(jsonResult);
            }
        });
    }
    function postEmployees() {
        $.ajax({
            type: "POST",
            url: "/Service/Employees",
            contentType: "application/json",
            dataType: "json",
            data: JSON.stringify({
                "Employees": [
                                    { "firstName": "Bill", "lastName": "Gates" },
                                    { "firstName": "George", "lastName": "Bush" },
                                    { "firstName": "Thomas", "lastName": "Carter" }
                                 ]

            }),
            success: function (jsonResult) {
                alert(jsonResult);
            }
        });
    }