javascript 调用 WebService的方法

来源：互联网发布：php获取数组元素编辑：程序博客网时间：2024/05/07 08:01

        [WebMethod]
        public int DoMulti(int num1,int num2)
        {
            int result;
            result = num1 * num2;
            return result;
        }

<%@ Page language="c#" Codebehind="Javascript.aspx.cs" AutoEventWireup="false" Inherits="WebTest.Javascript" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
  <HEAD>
    <title>Javascript</title>
    <meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
    <meta name="CODE_LANGUAGE" Content="C#">
    <meta name=vs_defaultClientScript content="JavaScript">
    <meta name=vs_targetSchema content="http://schemas.microsoft.com/intellisense/ie5">
    <script language="javascript">
    function doMul(){
        service.useService("http://localhost/WebServiceTest/Multi.asmx?wsdl","DoMultiService");
        var parm1 = Form1.all.mul1.value;
        var parm2 = Form1.all.mul2.value;
        service.DoMultiService.callService(callback,"DoMulti",parm1,parm2);
    }

    function callback(res){
        if (!res.error)
            Form1.all.retValue.value=res.value;
        else
            Form1.all.retValue.value='ERR';
    }
   </script>
</HEAD>
  <body>
    <div id="service" style="BEHAVIOR:url(webservice.htc)"></div>
    <form id="Form1" method="post" runat="server"><FONT
face=宋体><INPUT type=text id=mul1 name=mul1>*<INPUT type=text id=mul2 name=mul2><INPUT style="WIDTH: 50px" onclick=doMul() type=button value="="><INPUT
type=text id=retValue name=retValue></FONT>
     </form>

  </body>
</HTML>

其中 webservice.htc 需要另外下载
http://msdn.microsoft.com/workshop/author/webservice/webservice.htc