//有参数调用
    $(document).ready(function () {
      $("#btn2").click(function () {
        $.ajax({
          type: "POST",
          contentType: "application/json",
          url: "WebService.asmx/GetWish",
          data: "{value1:'心想事成',value2:'万事如意',value3:'牛牛牛',value4:2009}",
          dataType: 'json',
          success: function (result) {
            $('#dictionary').append(result.d);
          }
        });
      });
    });

  [WebMethod]
  public string GetWish(string value1, string value2, string value3, int value4)
  {
    return string.Format("祝您在{3}年里 {0}、{1}、{2}", value1, value2, value3, value4);
  }

 //传入对象
    $(function () {
      $("#btn6").click(function () {
        obj = new Object();
        obj.ID = "1";
        obj.Value = "aaa";
        //'{"obj":{"ID":"1",Value:"Horse"}}'
        var d = '{"obj":' + JSON.stringify(obj) + '}';
        $.ajax({
          type: "POST",  //访问WebService使用Post方式请求
          contentType: "application/json", //WebService 会返回Json类型
          url: "WebService.asmx/ParmsObject", //调用WebService的地址和方法名称组合 ---- WsURL/方法名
          data: d,     //这里是要传递的参数，格式为 data: "{paraName:paraValue}",下面将会看到    
          dataType: 'json',
          success: function (result) {
            alert(result.d);
          },
          error: function (result) {
            alert("fail");
          }
        });
      });

    });

  [WebMethod]
  public string ParmsObject(Class1 obj)
  {

    return obj.ID + ":" + obj.Value;
  }