......
'身份验证
Dim Verified As Boolean '用于标记用户是否通过了身份验证
Dim UserName As String = e.Cookies("username") '从cookie中获取用户名
Dim Password As String = e.Cookies("password") '从cookie中获取用户密码
If e.Path = "logon.htm" '如果是通过登录页面访问,从PostValues即可中提取用户名和密码
If e.PostValues.ContainsKey("username") AndAlso e.PostValues.ContainsKey("password") Then
UserName = e.PostValues("username")
Password = e.PostValues("password")
End If
End If
Dim cmd As New SQLCommand
cmd.C
cmd.CommandText = "SELECT * Fr om {员工管理} Where [Name] ='" & UserName & "'"
Dim dt As DataTable = cmd.ExecuteReader()
If dt.DataRows.Count > 0 Then
Dim dr As DataRow
dr = dt.DataRows(0)
If Password = dr("Password") Then
Verified = True
End If
End If
If Verified AndAlso e.Path = "logon.htm" Then '如果用户访问的是登录页,且身份验证成功
wb.AppendCookie("username",UserName) '将用户名和密码写入cookie
wb.AppendCookie("password",Password)
wb.InsertHTML("<meta http-equiv='Refresh' c>") '直接跳转到首页
e.WriteString(wb.Build) '生成网页
Return '必须的
ElseIf Verified = False AndAlso e.Path <> "logon.htm" Then '如果用户身份验证失败,且访问的不是登录页面
wb.InsertHTML("<meta http-equiv='Refresh' c>") '那么直接跳转到登录页面
e.WriteString(wb.Build) '生成网页
Return '必须的
End If
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Post By：2017/5/19 9:47:00 [显示全部帖子]
