<WebMethod(Description:="<font color=green>身份验证方法</font>")> _ PublicFunction lianzheng()Function lianzheng() AsString dim name,pwd asstring name=Context.Request.Headers("name") pwd=Context.Request.Headers("pwd") If (用户表中存在name) And (用户表中存在pwd) Then Try . Catch ex As Exception Return ex.ToString EndTry Return"OK!" Else Return"用户名或都密码有误,请求不于处理" EndIf End Function