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1,使用Htttp Get 访问方法
简单例子:
WebService代码: ?
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using?System;
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using?System.Collections;
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using?System.ComponentModel;
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using?System.Data;
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using?System.Web;
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using?System.Web.Services;
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using?System.Web.Services.Protocols;
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namespace?AJAXEnabledWebApplication4
- {
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????
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????
-
????
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????[WebService(Namespace?=?"http://tempuri.org/")]
- ????[WebServiceBinding(ConformsTo?=?WsiProfiles.BasicProfile1_1)]
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????[ToolboxItem(false)]
- ????[System.Web.Script.Services.ScriptService]
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????public?class?WebService2?:?System.Web.Services.WebService
- ????{
- ????????[WebMethod]
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????????public?int?GetRandom()
- ????????{
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????????????return?new?Random(DateTime.Now.Millisecond).Next();
- ????????}
- ????????[WebMethod]
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????????
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????????
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????????
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????????[System.Web.Script.Services.ScriptMethod(UseHttpGet=true)]
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????????public?int?GetRangeRandom(int?minValue,?int?maxValue)
- ????????{
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????????????return?new?Random(DateTime.Now.Millisecond).Next(minValue,?maxValue);
- ????????}
- ????}
- }
页面代码: ?
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<%@?Page?Language="C#"?AutoEventWireup="true"?CodeBehind="WebForm1.aspx.cs"?Inherits="AJAXEnabledWebApplication4.WebForm1"?%>
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<!DOCTYPE?html?PUBLIC?"-//W3C//DTD?XHTML?1.0?Transitional//EN"?"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html?xmlns="http://www.w3.org/1999/xhtml"?>
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<head?runat="server">
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????<title>无标题页</title>
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</head>
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<body>
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????<form?id="form1"?runat="server">
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????<asp:ScriptManager?runat="server"?ID="scriptManager1"?>
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????<Services>
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????<asp:ServiceReference?Path="WebService2.asmx"?InlineScript="true"?/>
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????</Services>
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????</asp:ScriptManager>
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????<input?type="button"?value="GetRandom?(Post)"?onclick="getRandom()"?/>
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????<input?type="button"?value="Get?Range?Random?(Get)"?onclick="getRangeRandom(50,100)"?/>
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????<script?type="text/javascript"?language="javascript"?>
- ????function?getRandom(){
- ??????????AJAXEnabledWebApplication4.WebService2.GetRandom(onsucceed);
- ????}
- ????function?getRangeRandom(minValue,maxValue){
- ????????AJAXEnabledWebApplication4.WebService2.GetRangeRandom(minValue,maxValue,onsucceed);
- ????}
- ????function?onsucceed(result){
- ????????alert(result);
- ????}
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????</script>
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????</form>
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</body>
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</html>
在页面生成的代理中,可以看到一些区别,还可以通过httpWatch观察post和get 的一些小的区别.?
2,服务器方法重载的调用和客户端重载的调用
简单例子:
webservice代码: ?
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using?System;
-
using?System.Collections;
-
using?System.ComponentModel;
-
using?System.Data;
-
using?System.Web;
-
using?System.Web.Services;
-
using?System.Web.Services.Protocols;
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namespace?AJAXEnabledWebApplication4
- {
-
????
-
????
-
????
-
????[WebService(Namespace?=?"http://tempuri.org/")]
- ????[WebServiceBinding(ConformsTo?=?WsiProfiles.BasicProfile1_1)]
-
????[ToolboxItem(false)]
- ????[System.Web.Script.Services.ScriptService]
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????public?class?WebService1?:?System.Web.Services.WebService
- ????{
- ????????[WebMethod]
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????????public?int?GetRandom()
- ????????{
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????????????return?new?Random(DateTime.Now.Millisecond).Next();
- ????????}
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????????[WebMethod(MessageName="GetRangeRandom")]
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????????
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????????public?int?GetRandom(int?min,?int?max)
- ????????{
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????????????return?new?Random(DateTime.Now.Millisecond).Next(min,?max);
- ????????}
- ????}
- }
aspx页面代码:
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<%@?Page?Language="C#"?AutoEventWireup="true"?CodeBehind="Default.aspx.cs"?Inherits="AJAXEnabledWebApplication4._Default"?%>
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<!DOCTYPE?html?PUBLIC?"-//W3C//DTD?XHTML?1.0?Transitional//EN"?"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html?xmlns="http://www.w3.org/1999/xhtml"?>
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<head?runat="server">
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????<title>Untitled?Page</title>
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</head>
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<body>
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????<form?id="form1"?runat="server">
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????????<asp:ScriptManager?ID="ScriptManager1"?runat="server">
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????????<Services>
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????????<asp:ServiceReference?Path="WebService1.asmx"?InlineScript="true"?/>
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????????</Services>
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????????</asp:ScriptManager>
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????????<input?type="button"?value="Get?Random"?onclick="GetRandom()"?/>
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????????<input?type="button"?value="Get?Range?Random"?onclick="GetRandom(50,100)"?/>
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????????<script?type="text/javascript"?language="javascript">
- ????????function?GetRandom(minValue,maxValue){
- ??????????//js?函数默认的?arguments可以判断传入参数的数量,从而模仿了客户端方法重载
- ???????????if(arguments.length!=2){
- ????????????AJAXEnabledWebApplication4.WebService1.GetRandom(onsucceed);
- ????????????}else{
- ????????????AJAXEnabledWebApplication4.WebService1.GetRangeRandom(minValue,onsucceed);
- ???????????
- ????????????}
- ????????}
- ????????
- ????????function?onsucceed(result){
- ????????????alert(result);
- ????????}
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????????</script>
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????</form>
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</body>
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</html>
（编辑：李大同）
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