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  • AJAX 传值给后台

    来自网络,自己测试过;可以用

    前台:

     <script type="text/javascript">
                 function CSmethod() {
                     $.ajax({ type: "Post",
                         url: "javaTest.aspx/HelloWorld",
                         contentType: "application/json; charset=utf-8",
                         dataType: "json",
                         data: "{days:2}",
                          success:function (data) { alert(data.d); },
                         error: function (err) { alert(err); }
                     });
                    }
             </script>

    后台:

      [System.Web.Services.WebMethod]

     public static string HelloWorld(Int32 days)
            {
            
               // return "Hello World of CS1";
                return "[{\"nowtime\":\"" + DateTime.Now.AddDays(days).ToShortDateString() + "\"}]";

               
            }

    前台发送数组:

    <script type="text/javascript">
           function AddNewWork() {
             var js_Arr = new Array(); //定义数组
              js_Arr.push("{ name: '张三', salary: '50' }, { name: '李四', salary: '60' }, { name: '王五', salary: '70' }");
                    $.ajax({ type: "Post",
                        url: "MyPage.aspx/AddNewWork",
                        contentType: "application/json; charset=utf-8",
                        dataType: "json",
                        data: "{arr_Str:[" + js_Arr + "]}", //传送数组

                        success: function (data) { alert(data.d); },
                        error: function (err) { alert(err); }
                    });
                }

    后台接收数组

      [System.Web.Services.WebMethod]
            public static ArrayList AddNewWork(Dictionary<string, string>[] arr_Str)
            {     
            // return "Hello World of CS1";
               // return "[{\"nowtime\":\"" + DateTime.Now.AddDays(days).ToShortDateString() + "\"}]";
                 ArrayList al = new ArrayList();//创建动态数组       
                al.Add("{张三:'10'}");       
                al.Add("{李四:'20'}");       
                al.Add("{王五:'30'}");     
                al.Add("{赵六:'40'}");      
                return al;//返回动态数组

               
            }

    如果要js_Arr是一个数组,那么可以直接使用

    data: {"str_Fc_Id": js_Arr}

    jQuery会帮助进行序列化。

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  • 原文地址:https://www.cnblogs.com/wycoo/p/2368005.html
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