jQuery调用WebService详解(POST)

来源:互联网 发布:淘宝怎么上掌柜热卖 编辑:程序博客网 时间:2024/05/02 01:10
 

ws.aspx 代码

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title></title>
<script src="jquery.js" type="text/javascript"></script>
<style type="text/css">
    .hover
    {
        cursor: pointer; /*小手*/
        background: #ffc; /*背景*/
    }
    .button
    {
        width: 150px;
        float: left;
        text-align: center;
        margin: 10px;
        padding: 10px;
        border: 1px solid #888;
    }
    #dictionary
    {
        text-align: center;
        font-size: 18px;
        clear: both;
        border-top: 3px solid #888;
    }
    #loading
    {
        border: 1px #000 solid;
        background-color: #eee;
        padding: 20px;
        margin: 100px 0 0 200px;
        position: absolute;
        display: none;
    }
    #switcher
    {
    }
</style>
<script type="text/javascript">
    //无参数调用      
    $(document).ready(function () {
        $('#btn1').click(function () {
            $.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    
    $(document).ready(function () {
        $("#btn2").click(function () {
            $.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)      
    $(document).ready(function () {
        $("#btn3").click(function () {
            $.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   
    $(document).ready(function () {
        $('#btn4').click(function () {
            $.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)     
    $(document).ready(function () {
        $('#btn5').click(function () {
            $.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');
        });
    });                
</script>
</head>
<body>
    <form id="form1" runat="server">
    <div id="switcher">
        <h2>
            jQuery 的WebServices 调用</h2>
        <div class="button" id="btn1">
            HelloWorld</div>
        <div class="button" id="btn2">
            传入参数</div>
        <div class="button" id="btn3">
            返回集合</div>
        <div class="button" id="btn4">
            返回复合类型</div>
        <div class="button" id="btn5">
            返回DataSet(XML)</div>
    </div>
    <div id="loading">
        服务器处理中,请稍后。
    </div>
    <div id="dictionary">
    </div>
    </form>
</body>
</html>

 

WebService1.asmx.cs

 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Data;
namespace jQuery.Learning
{
    /// <summary>  
    /// WebService1 的摘要说明   
    /// </summary>   
    [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; }
    }
}