• jQuery Ajax 方法调用 Asp.Net WebService 的详细例子[转]


    转载出处:http://hi.baidu.com/gisland/blog/item/0f592538631c7a2eb8998fec.html

    原代码无法正常运行,以下是删除result.d的代码

    1.JQ_WebService.aspx代码

    <%@ Page Language="C#" AutoEventWireup="true" CodeFile="JQ_WebService.aspx.cs" Inherits="JQ_WebService" %>

    <!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 runat="server">
        
    <title>jQuery.Ajax调用Aspx.Net WebService </title>

        
    <script src="javascript/jquery-1.3.2.js" type="text/javascript" language="javascript"></script>

        
    <style type="text/css">
            .hover
            
    {
                cursor
    : pointer; 
                background
    : #ffc; 
            
    }
            .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;
                padding
    : 20px;
                margin
    : 0 auto;
                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  -----设置此项contentType后data为"{}"否则为"" -----
                        url: "JQ_WebService.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);
                        }
                    });
                });
            });

            
    //有参数调用
            $(document).ready(function() {
                $(
    "#btn2").click(function() {
                    $.ajax({
                        type: 
    "POST",
                        contentType: 
    "application/json",
                        url: 
    "JQ_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);
                        }
                    });
                });
            });
            
            
            
    //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: 
    "JQ_WebService.asmx/GetArray",
                        data: 
    "{i:10}",
                        dataType: 
    'json',
                        success: 
    function(result) {
                            $(result).each(
    function() {
                                $(
    '#dictionary').append(this.toString() + " ");
                                
    //alert(result.d.join(" | "));
                            });
                        }
                    });
                });
            });

            
    //返回复合类型
            $(document).ready(function() {
                $(
    '#btn4').click(function() {
                    $.ajax({
                        type: 
    "POST",
                        url: 
    "JQ_WebService.asmx/GetClass",
                        data: 
    "",
                        dataType: 
    'json',
                        
    //使用beforeSend设置在data不为"{}"的情况下使用,type:"GET"方式也需要设置
                        beforeSend: function(x) {
                            x.setRequestHeader(
    "Content-Type""application/json; charset=utf-8");
                             }, 
                        success: 
    function(result) {
                            $(result).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: 
    "JQ_WebService.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">
            
    <img src="images/ajax-loader.gif" alt="" />
        
    </div>
        
    <div id="dictionary">
        
    </div>

        
    </form>
    </body>
    </html>

    2.JQ_WebService.asmx代码

    using System;
    using System.Web;
    using System.Collections;
    using System.Web.Services;
    using System.Web.Services.Protocols;
    using System.Data;
    //using System.Linq;

    /// <summary>
    /// JQ_WebService 的摘要说明
    /// </summary>
    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo 
    = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(
    false)]
    /*  
     * 这个一般是安装了ASP.NET Ajax的组件, 
     * 从而可以在客户端使用JavaScript访问WebService, 
     * 而为了让Web服务支持此功能
    */
    [System.Web.Script.Services.ScriptService]
    public class JQ_WebService : System.Web.Services.WebService
    {

        
    public JQ_WebService()
        {

            
    //如果使用设计的组件,请取消注释以下行 
            
    //InitializeComponent(); 
        }

        [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 System.Collections.Generic.List<int> GetArray(int i)
            {
                System.Collections.Generic.List
    <int> list = new System.Collections.Generic.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()
            {
                Class1 c
    =new Class1();
                c.ID
    ="1";
                c.Value
    ="牛年大吉";
                
    return c;
            }

            
    /// <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
        {
            
    private string id;
            
    private string val;

            
    public string ID
            {
                
    get { return id; }
                
    set { id = value; }
            }
            
    public string Value 
            {
                
    get { return val; }
                
    set { val=value;}
            }
        }




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  • 原文地址:https://www.cnblogs.com/hejunrex/p/1652133.html
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