在项目开发的过程中,WebService是经常要用的,当调用WebService方法时,需要经过服务的验证才可以调用,一般就是用户名/密码验证,还有一个就是证书.下面程序使用的是用户名/密码的方式,很简单的一个程序.

项目截图:

先看服务端的代码(ws_Service)

MySoapHeader.cs   这里通过继承SoapHeader实现对用户名/密码的验证

public class MySoapHeader:System.Web.Services.Protocols.SoapHeader{private string userID = string.Empty;private string userPW = string.Empty;public string UserId{get { return userID; }set { userID = value; }}public string UserPW{get { return userPW; }set { userPW = value; }}public MySoapHeader(){ }public MySoapHeader(string name, string password){userID = name;userPW = password;}private bool IsValid(string nUserId, string nPassWord, out string nMsg){nMsg = "";try{if (nUserId == "admin" && nPassWord == "admin"){return true;}else{nMsg = "对不起,你无权调用Web服务";return false;}}catch{nMsg = "对不起,你无权调用Web服务";return false;}}public bool IsValid(out string nMsg){return IsValid(userID,userPW,out nMsg);}}

Service1.asmx文件代码:

[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.ComponentModel.ToolboxItem(false)]public class Service1 : System.Web.Services.WebService
{
    public MySoapHeader myHeader = new MySoapHeader();[WebMethod]public string GetMsg(){Thread.Sleep(5000);return "Hello World";}[SoapHeader("myHeader")][WebMethod(Description="获取用户列表")]public string GetMain(){string msg = "";if (!myHeader.IsValid(out msg)){return msg;}return "Main";}
}

这里面有两个方法,其中GetMsg方法是不需要验证的,而GetMain方法需要进行用户名/密码的验证,这个可以在客户端调用时进行验证.

客户端添加对服务端的引用…

Program.cs文件

class Program
{static void Main(string[] args){localhost.Service1SoapClient proxy = new ws_Client.localhost.Service1SoapClient();MySoapHeader header = new MySoapHeader();header.UserId = "admin";header.UserPW = "admin";string result = proxy.GetMain(header);//string result = proxy.GetMsg();Console.WriteLine(result);Console.ReadKey();}}