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  • Jquery Ajax 调用WebService

    ws.aspx 代码
                    $.ajax({
                        type: "POST",   //访问WebService使用Post方式请求
                        contentType: "application/json", //WebService 会返回Json类型
                        url: "WebService1.asmx/HelloWorld", //调用WebService的地址和方法名称组合 ---- WsURL/方法名
                        data: "{}",         //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) {     //回调函数,result,返回值
                            $('#dictionary').append(result.d);
                        }
                    });   

            //有参数调用
                         $.ajax({
                        type: "POST",
                        contentType: "application/json",
                        url: "WebService1.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);
                        }
                    });
            
            //返回集合(引用自网络,很说明问题)
                         $.ajax({
                        type: "POST",
                        contentType: "application/json",
                        url: "WebService1.asmx/GetArray",
                        data: "{i:10}",
                        dataType: 'json',
                        success: function(result) {
                            $(result.d).each(function() {
                                //alert(this);
                                $('#dictionary').append(this.toString() + " ");
                                //alert(result.d.join(" | "));
                            });
                        }
                    });


            //返回复合类型
                         $.ajax({
                        type: "POST",
                        contentType: "application/json",
                        url: "WebService1.asmx/GetClass",
                        data: "{}",
                        dataType: 'json',
                        success: function(result) {
                            $(result.d).each(function() {
                                //alert(this);
                                $('#dictionary').append(this['ID'] + " " + this['Value']);
                                //alert(result.d.join(" | "));
                            });

                        }
                    });


            //返回DataSet(XML)
                          $.ajax({
                        type: "POST",
                        url: "WebService1.asmx/GetDataSet",
                        data: "{}",
                        dataType: 'xml', //返回的类型为XML ,和前面的Json,不一样了
                        success: function(result) {
                        //演示一下捕获
                            try {  
                                $(result).find("Table1").each(function() {
                                    $('#dictionary').append($(this).find("ID").text() + " " + $(this).find("Value").text());
                                });
                            }
                            catch (e) {
                                alert(e);
                                return;
                            }
                        },
                        error: function(result, status) { //如果没有上面的捕获出错会执行这里的回调函数
                            if (status == 'error') {
                                alert(status);
                            }
                        }
                    });

            //Ajax 为用户提供反馈,利用ajaxStart和ajaxStop 方法,演示ajax跟踪相关事件的回调,他们两个方法可以添加给jQuery对象在Ajax前后回调
            //但对与Ajax的监控,本身是全局性的
            $(document).ready(function() {
                $('#loading').ajaxStart(function() {
                    $(this).show();
                }).ajaxStop(function() {
                    $(this).hide();
                });
            });

            // 鼠标移入移出效果,多个元素的时候,可以使用“,”隔开
            $(document).ready(function() {
                $('div.button').hover(function() {
                    $(this).addClass('hover');
                }, function() {
                    $(this).removeClass('hover');
                });
            });
           
           

        [WebService(Namespace = "http://tempuri.org/")]
        [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
        [System.ComponentModel.ToolboxItem(false)]
        // 若要允许使用 ASP.NET AJAX 从脚本中调用此 Web 服务,请取消对下行的注释。
        [System.Web.Script.Services.ScriptService]
        public class WebService1 : System.Web.Services.WebService
        {
            /// <summary>
            /// 无参数
            /// </summary>
            /// <returns></returns>
            [WebMethod]
            public string HelloWorld()
            {
                return "Hello World ";
            }

            /// <summary>
            /// 带参数
            /// </summary>
            /// <param name="value1"></param>
            /// <param name="value2"></param>
            /// <param name="value3"></param>
            /// <param name="value4"></param>
            /// <returns></returns>
            [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);
            }

            /// <summary>
            /// 返回集合
            /// </summary>
            /// <param name="i"></param>
            /// <returns></returns>
            [WebMethod]
            public List<int> GetArray(int i)
            {
                List<int> list = new List<int>();

                while (i >= 0)
                {
                    list.Add(i--);
                }

                return list;
            }

            /// <summary>
            /// 返回一个复合类型
            /// </summary>
            /// <returns></returns>
            [WebMethod]
            public Class1 GetClass()
            {
                return new Class1 { ID = "1", Value = "牛年大吉" };
            }


            /// <summary>
            /// 返回XML
            /// </summary>
            /// <returns></returns>
            [WebMethod]
            public DataSet GetDataSet()
            {
                DataSet ds = new DataSet();
                DataTable dt = new DataTable();
                dt.Columns.Add("ID", Type.GetType("System.String"));
                dt.Columns.Add("Value", Type.GetType("System.String"));
                DataRow dr = dt.NewRow();
                dr["ID"] = "1";
                dr["Value"] = "新年快乐";
                dt.Rows.Add(dr);
                dr = dt.NewRow();
                dr["ID"] = "2";
                dr["Value"] = "万事如意";
                dt.Rows.Add(dr);
                ds.Tables.Add(dt);
                return ds;
            }


        }
        //自定义的类,只有两个属性
        public class Class1
        {
            public string ID { get; set; }
            public string Value { get; set; }
        }
    }

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  • 原文地址:https://www.cnblogs.com/xiaoan521/p/2681765.html
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