ASP.NET 中创建Web Services及简单调用
在ASP.NET中创建Web服务很简单,因为大多数复杂性都由.NET平台处理了,事实上,创建一个Web服务几乎与在C#一个方法一样简单。以下是一个Web服务创建实例:
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Web;
using System.Web.Services;
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namespace WebService1
{
/// <summary>
/// Service2 的摘要说明。
/// </summary>
public class Service2 : System.Web.Services.WebService
{
[WebMethod]
public string Add(int x,int y)
{
int z=x+y;
return z.ToString();
}
}
}
创建完成后需要在工程中添加一个Html页面进行调用,以下是完整代码:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<body>
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<p>使用POST方法调用WEB服务</p>
<form name="form3" method=post action=Service2.asmx/Add id="Form3">
<P>
请输入第一个数字:<input type="text" name="x" id="Text1">
<br>
请输入第二个数字:<input type="text" name="y" id="Text2">
</P>
<P>
<input type="submit" id="submit1" name="submit1" value="提交查询内容">
</P>
</form>
</body>
</HTML>最后设置Html页面为启动项,生成解决方案后启动项目,输入两个数字,得到如下结果:
<?xml version="1.0" encoding="utf-8" ?>
<string xmlns="http://tempuri.org/">11</string> 至此,我们创建的Web服务被成功调用。
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