Javascript调用webservice(不涉及ajax)

1、WebServices文件源码WebService.asmx

using  System;
using  System.Collections;
using  System.Linq;
using  System.Web;
using  System.Web.Services;
using  System.Web.Services.Protocols;
using  System.Xml.Linq;

/// <summary>
///WebService 的摘要说明
/// </summary>

[WebService(Namespace  =   " http://tempuri.org/ " )]
[WebServiceBinding(ConformsTo 
=  WsiProfiles.BasicProfile1_1)]
// 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  WebService : System.Web.Services.WebService  {

    
public WebService () {

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


    [WebMethod]
    
public string GetColumns(string strParameter) 
    
{
        
return "{header: \"用户编号\",dataIndex: \"UserCode\",tooltip: \"用户编号\",sortable: true}, {header: \"用户名称\",dataIndex: \"UserName\",tooltip: \"用户名称\",sortable: true}, {header: \"用户类型\",dataIndex: \"UserType\",tooltip: \"用户类型\",sortable: true}, {header: \"性别\",dataIndex: \"Sex\",tooltip: \"性别\",sortable: true}, {header: \"职位名称\",dataIndex: \"PositionName\",tooltip: \"职位名称\",sortable: true}, {header: \"电话\",dataIndex: \"Telephone\",tooltip: \"电话\",sortable: true}, {header: \"邮箱\",dataIndex: \"Email\",tooltip: \"邮箱\",sortable: true}, {header: \"地址\",dataIndex: \"Address\",tooltip: \"地址\",sortable: true}, {header: \"部门名称\",dataIndex: \"DepartName\",tooltip: \"部门名称\",sortable: true}, {header: \"备注\",dataIndex: \"Remark\",tooltip: \"备注\",sortable: true}"; ;
    }

    
}


2、JavaScript文件源码 ClientLibrary.js

var  objColoms;
    
CallWebServiceMethod();  
// 调用WebServices

function  CallWebServiceMethod(data)
{
    
var xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); 
    
    
var url="http://localhost:6808/JSWebServices/WebService.asmx/GetColumns?strParameter=zhangps"
    
    xmlhttp.Open(
"Get",url, false); 
    
    xmlhttp.SetRequestHeader(
"Content-Type","text/xml; charset=utf-8"); 
    
    xmlhttp.SetRequestHeader(
"SOAPAction","http://tempuri.org/GetColumns"); 
    
    xmlhttp.Send(data); 
    
    
var result = xmlhttp.status; 
    
    
if(result==200
    

        
var responseText = xmlhttp.responseXML.text;
        
        objColoms 
= "[sm," + responseText + "]";
    }

    
    xmlhttp 
= null
}


// var extColumModel = new Ext.grid.ColumnModel(eval(objColoms));

 3、Aspx页面或Html页面源码Default.aspx(近起到引用JavaScript文件作用)

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

<! 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 > JavaScript调用WebServices </ title >
    
< script  language ="javascript"  src ="ClientLibrary.js"  type ="text/javascript" ></ script >
</ head >
< body >
    
< form  id ="form1"  runat ="server" >
    
< div >
        纯JavaScript调用WebServices例子
        
        
<!-- 注意:需要在WebConfig中加入以下配置:
        <system.web>
        <webServices>
          <protocols>
            <add name="HttpSoap" />
            <add name="HttpPost" />
            <add name="HttpGet" />
            <add name="Documentation" />
          </protocols>
        </webServices>
        </system.web>
        //
-->
    
</ div >
    
</ form >
</ body >
</ html >

4、注意事项:Web.Config中必须做一下配置

< system.web >
   
< webServices >
      
< protocols >
       
< add  name ="HttpSoap"   />
       
< add  name ="HttpPost"   />
       
< add  name ="HttpGet"   />
       
< add  name ="Documentation"   />
      
</ protocols >
   
</ webServices >
</ system.web >
出处: http://www.cnblogs.com/Gsun/archive/2009/12/15/1624529.html

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