/// <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"}