以文本方式查看主题 - Foxtable(狐表) (http://foxtable.net/bbs/index.asp) -- 专家坐堂 (http://foxtable.net/bbs/list.asp?boardid=2) ---- 移动端sql登录求助 (http://foxtable.net/bbs/dispbbs.asp?boardid=2&id=100822) |
-- 作者:188802386 -- 发布时间:2017/5/19 9:31:00 -- 移动端sql登录求助 我想使用数据库来验证用户名和密码,但是却不成功,请老师帮忙看下问题出在那 Dim UserName As String = e.PostValues("username") Dim Password As String = e.PostValues("password") Dim UserID As String If e.Path = "logon.htm" \'验证用户名和密码 If e.PostValues.ContainsKey("username") AndAlso e.PostValues.ContainsKey("password") Then Dim Verified As Boolean \'用于标记用户是否通过了身份验证 UserName = e.PostValues("username") Password = e.PostValues("password") \'If UserName = "张三" AndAlso Password = "888" Then \'实际使用的时候,请改为从数据库读取用户名和密码进行比较 \'Verified = True End If Dim cmd As New SQLCommand cmd.C cmd.CommandText = "SELECT * Fr om {员工管理} Where [Name] Is Null" _UserTable = cmd.ExecuteReader(True) Dim UserName As String = e.Form.Controls("UserName").Value Dim dr As DataRow dr = _UserTable.SQLFind("[Name] = \'" & UserName & "\'") If dr IsNot Nothing Then If e.Form.Controls("PassWord").Value = dr("Password") Then Verified = True Else End If End If |
-- 作者:有点蓝 -- 发布时间:2017/5/19 9:47:00 -- 以示例用法为例说明:http://www.foxtable.com/mobilehelp/scr/0138.htm ...... \'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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-- 作者:有点色 -- 发布时间:2017/5/19 9:49:00 -- Dim UserName As String = e.PostValues("username") Dim Password As String = e.PostValues("password") If e.Path = "logon.htm" \'验证用户名和密码 If e.PostValues.ContainsKey("username") AndAlso e.PostValues.ContainsKey("password") Then Dim Verified As Boolean \'用于标记用户是否通过了身份验证 UserName = e.PostValues("username") Password = e.PostValues("password") \'If UserName = "张三" AndAlso Password = "888" Then \'实际使用的时候,请改为从数据库读取用户名和密码进行比较 \'Verified = True Dim cmd As New SQLCommand cmd.CommandText = "SELECT * From {员工管理} Where [Name] = \'" & username & "\'" _UserTable = cmd.ExecuteReader If _UserTable.DataRows.count > 0 Then If password = _userTable.DataRows(0)("password") Then Verified = True End If End If End If End If |
-- 作者:188802386 -- 发布时间:2017/5/19 10:28:00 -- 可以用http://www.foxtable.com/mobilehelp/index.htm?page=0138.htm这个例子为例吗,移动端肯定是要套用数据库的,建议官方出帮助教程就建议用数据库为基础来做, |
-- 作者:有点色 -- 发布时间:2017/5/19 10:32:00 -- 直接看2楼代码。 |
-- 作者:188802386 -- 发布时间:2017/5/19 11:37:00 -- 错了 这个http://www.foxtable.com/mobilehelp/index.htm?page=0154.htm |
-- 作者:有点蓝 -- 发布时间:2017/5/19 12:06:00 -- 还是2楼的用法,逻辑完全一样 |