运行报错
.NET Framework 版本：2.0.50727.8941
Foxtable 版本：2018.10.9.1
错误所在事件：项目,HttpRequest
详细错误信息：
未将对象引用设置到对象的实例。
代码如下：
Dim fl As String = "d:\web\" & e.path
If filesys.FileExists(fl)
Dim idx As Integer = fl.LastIndexOf(".")
Dim ext As String = fl.SubString(idx)
Select Case ext
Case ".ico",".jpg",".gif",".png",".bmp",".wmf",".js",".css" ,".html",".htm",".zip",".rar"
e.WriteFile(fl)
Return '这里必须返回
End Select
End If
Dim wb As New weui
'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
Dim usergroup As String = e.Cookies("usergroup")
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") AndAlso e.PostValues.ContainsKey("usergroup") Then
usergroup = e.PostValues("usergroup")
UserName = e.PostValues("username")
Password = e.PostValues("password")
End If
End If
If UserName <>"" AndAlso Password <>"" AndAlso usergroup <>"" Then
Dim dr11 As DataRow
dr11 = DataTables("systemuser").SQLFind("username = '" & username & "'and usergroup = '" & usergroup & "'")
If UserName = dr11("username") AndAlso Password = dr11("Password") AndAlso usergroup = dr11("usergroup") 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.AppendCookie("usergroup",usergroup)
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
Select Case e.Path
Case "logon.htm" '登录页面
wb.AddPageTitle("","pageheader","","")
If e.PostValues.ContainsKey("username") AndAlso e.PostValues.ContainsKey("password") AndAlso e.PostValues.ContainsKey("usergroup") Then '判断是否是验证失败后的重新登录
wb.AddTopTips("","toptip1","用户名或密码错误!").msec = 2000 '如果用户通过登录按钮访问,则给用户一个2秒的提示.
End If
wb.AddForm("","form1","logon.htm")
With wb.AddInputGroup("form1","ipg1")
Dim filter11 As String = "表名 = '干警信息' and 列名 = '所在单位' and 停用 = false"
Dim fdr11 As DataRow = DataTables("列项设置").Find(filter11)
If fdr11 IsNot Nothing Then
Dim abc11 As String=fdr11("下拉选项").replace(",", "|")
.AddSelect("usergroup","所在单位","|"&abc11)
End If
.AddInput("username","户名","text")
.AddInput("password","密码","password")
End With
With wb.AddButtonGroup("form1","btg1",True)
.Add("btn1", "登录", "submit")
End With
With wb.AddPageFooter("","pf1","Copyright © ")
'.AddLink("底部链接","http://www.foxtable.com")
End With
e.WriteString(wb.Build)
Case "exit.htm" '退出登录
wb.DeleteCookie("username") '清除cookie中原来的用户名和密码
wb.DeleteCookie("password")
wb.DeleteCookie("usergroup")
wb.InsertHTML("<meta http-equiv='Refresh' c>") '那么直接跳转到登录页面
Case "", "default.htm" '首页
wb.AddPageTitle("","pageheader","","")
With wb.AddGrid("","g1")
.Add("c1","增加干警信息", "./images/TableProperty.ico", "addnewtxl.htm")
.Add("c2","增加管理人员", "./images/TableProperty.ico", "adduser.htm")
.Add("c3","查询干警信息", "./images/TableProperty.ico", "filter.htm")
.Add("c4","增加发布信息", "./images/TableProperty.ico", "AddNew.htm") '.Attribute = ""
.Add("c5","拟新增", "./images/TableProperty.ico", " ")
.Add("c6","拟新增", "./images/TableProperty.ico", " ")
.Add("c7","拟新增", "./images/TableProperty.ico", "")
.Add("c8","拟新增", "./images/TableProperty.ico", "")
.Add("c9","拟新增", "./images/TableProperty.ico", "")
.Add("c10","拟新增", "./images/TableProperty.ico", "")
.Add("c11","拟新增", "./images/TableProperty.ico", "")
.Add("c12","退出", "./images/exit.ico", "exit.htm") '退出登录
End With
With wb.AddPageFooter("","pf1","Copyright © ")
'.AddLink("底部链接","http://www.foxtable.com")
End With
e.WriteString(wb.Build)
End Select
e.WriteString(wb.Build) '生成网页
[此贴子已经被作者于2019/5/28 16:19:20编辑过]
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Post By：2019/5/28 16:09:00 [只看该作者]
