使用jQuery Ajax 请求webservice来实现更简练的Ajax

/// <summary>
/// 根据任务ID获取任务名称,任务完成状态,任务数量
/// </summary>
/// <param name="id">任务ID</param>
/// <returns></returns>
[WebMethod]
public static string GetMissionInfoById(int id)
{
CommonService commonService = new CommonService();
DataTable table = commonService.GetSysMissionById(id);
　　　 //.....
return "false";
}

[WebMethod(EnableSession = true)]//或[WebMethod(true)]
public static string GetMissionInfoById(int id)
{
CommonService commonService = new CommonService();
DataTable table = commonService.GetSysMissionById(id);
　　　 //.....
return "false";
}

$.ajax({
type: "POST",
contentType: "application/json",
url: "WebMethodAjax.aspx/GetMissionInfoById",
data: "{id:12}",
dataType: "json",
success: function()
　　　{
　　　　　//请求成功后的回调处理.
　　　},
　　　error:function()
{
//请求失败时的回调处理.
}
});

///<summary>
///jQuery原型扩展，重新封装Ajax请求WebServeice
///</summary>
///<param name="url" type="String">处理请求的地址</param>
///<param name="dataMap" type="String">参数，json格式的字符串</param>
///<param name="fnSuccess" type="Function">请求成功后的回调函数</param>
$.ajaxWebService = function(url, dataMap, fnSuccess) {
$.ajax({
type: "POST",
contentType: "application/json",
url: url,
data: dataMap,
dataType: "json",
success: fnSuccess
});
}

$.ajaxWebService("WebMethodAjax.aspx/GetMissionInfoById", "{id:12}", function(result) {//......});

function json2str(o) {
var arr = [];
var fmt = function(s) {
if (typeof s == 'object' && s != null) return json2str(s);
return /^(string|number)$/.test(typeof s) ? "'" + s + "'" : s;
}
for (var i in o) arr.push("'" + i + "':" + fmt(o[i]));
return '{' + arr.join(',') + '}';
}
function Invoke(url, param) {
var result;
$.ajax({
type: "POST",
url: url,
async: false,
data: json2str(param),
contentType: "application/json; charset=utf-8",
dataType: "json",
success: function(msg) {
result = msg.d;
},
error: function(r, s, e) {
throw new Error();
}
});
return result;
}

var result = Invoke("WebMethodAjax.aspx/GetMissionInfoById", { "name": arguments.Value, "id": id });

[WebMethod]
public static string GetMissionInfoById(int Id,string name)
{
　　　//.....　
return "false";
}

[csharp] view plain copy print?
{"Id":23,"name":"study"}