留言板源代码（后台与前台都有实例）

这个是.net实现的留言板源代码，有后台管理，前台页面

新闻发布系统 含源代码

新闻发布系统 含源代码

教室管理系统

a、 教师查询； 　　学生通过这个功能，可以查询相关院系相关教师的个人信息以及开课信息，以便能更好地了解教师及其开课情况。 b、 教室查询； 学生通过这个功能，可以查询相关教学楼相关教室的信息以及该教室在每天任一时段的使用情况，或者有课，或者有讲座、或者有活动等等。这个功能以便使同学能更好地了解教室及其使用情况。 c、 课程查询； 学生通过这个功能，可以查询某一课程的详细信息，如同一课程可以有多个教师开课，以便更好地了解任一课程的详细信息。 d、 教室借用； 学生通过这个功能，可以借教室，即获得教室在某段时间的使用权，办讲座，开展社团活动等等。 e、 我要自习； 学生通过这个功能，可以查询当天某一时段或多个时段的空闲教室，去上自习。

图书馆管理系统网站完整代码

图书馆管理系统是采用jsp开发的网站，包含完整的代码和详细的文档说明，十分适合开发人员借鉴参考，经过测试，十分好用。

【asp】有效防止网站留言板出现垃圾留言/评论实现思路_ASP教程

一.在表单填写页面: ”> 在提交处理页面,设置提交时间 代码如下: If DateDiff(“s”,request.form(“intime1”), Now()) < 5 then response.write “alert('您的留言速度太快，禁止留言！');" ” response.end end if二.验证码 代码如下: yz=cstr(request.Form(“yz”

jsp+mysql开发网站留言板源代码下载

jsp+mysql开发网站留言板源代码下载 源代码下载地址：http://www.zuidaima.com/share/1550463448304640.htm

我做的会员卡管理系统

Imports System.Data.SqlClient Imports System.DateTime Partial Class member Inherits System.Web.UI.UserControl Dim sys As New SySDB '新增 Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click If Me.txt_num.Text = "" Then Response.Write("<script>alert('請輸入卡號!')</script>") : Exit Sub If Me.txt_name.Text = "" Then Response.Write("<script>alert('請輸入姓名!')</script>") : Exit Sub If Me.txt_email.Text = "" Then RegularExpressionValidator3.Enabled = False If Me.txt_passport.Text = "" Then RegularExpressionValidator1.Enabled = False addmember() End Sub Private Sub addmember() sys.InsertCommand = "insert into member(CardId,name,age,birthday,sex,address,mail,phone,passport,addtime) values (@CardId,@name,@age,@birthday,@sex,@address,@mail,@phone,@passport,@addtime)" sys.InsertParameters.Add("CardId", Me.txt_num.Text.Trim) sys.InsertParameters.Add("name", Me.txt_name.Text.Trim) sys.InsertParameters.Add("age", Me.txt_age.Text.Trim) sys.InsertParameters.Add("birthday", Me.year.Text.Trim.ToString) sys.InsertParameters.Add("sex", Me.sex.SelectedValue.Trim) sys.InsertParameters.Add("address", Me.txt_address.Text.Trim) sys.InsertParameters.Add("mail", Me.txt_email.Text.Trim) sys.InsertParameters.Add("phone", Me.txt_phone.Text.Trim) sys.InsertParameters.Add("passport", Me.txt_passport.Text.Trim) sys.InsertParameters.Add("addtime", Format(Now, "yyyy/MM/dd")) '加入操作時間 Me.Button1.Attributes.Add("onclick", "return confirm('請先確定資料是否正確？')") Try If sys.Insert > 0 Then Response.Write("<script>alert('恭喜！你已經成功新增一個會員!')</script>") Else Response.Write("<script>alert('新增會員失敗')</script>") End If Catch ex As Exception MsgBox(ex.Message.ToString) End Try cleardata() Me.btn_delete.Enabled = False Me.btn_edit.Enabled = False Me.txt_num.ReadOnly = False Me.txt_num.BackColor = Drawing.Color.Yellow End Sub Private Sub cleardata() Me.txt_num.Text = "" Me.txt_name.Text = "" Me.txt_age.Text = "" Me.year.Text = "" Me.sex.SelectedValue = "女" Me.txt_address.Text = "" Me.txt_email.Text = "" Me.txt_phone.Text = "" Me.txt_passport.Text = "" End Sub ' Private Sub loadmonth() ' Dim i As Integer = 1 ' For i = 1 To 12 Step 1 ' month.Items.Add(i) 'Next ' End Sub ' Private Sub loadday() ' 'Dim i As Integer ' Dim j As Integer = 1 ' For j = 1 To 31 Step 1 ' day.Items.Add(j) ' 'j = j + 1 ' Next ' End Sub Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load If Me.Page.IsPostBack = False Then load_total() End If End Sub Sub load_total() sys.SelectCommand = "SELECT count(*) as a1 FROM [member]" sys.DataSourceMode = SqlDataSourceMode.DataReader Dim dr As SqlDataReader = sys.Select() While dr.Read Me.total.Text = "現有會員:" & dr("a1") & "位" End While End Sub '查找 Protected Sub Button2_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button2.Click sys.SelectCommand = "select * from member where CardId like @CardId" sys.SelectParameters.Add(New ControlParameter("CardId", Me.txt_num.ID)) Me.Controls.Add(sys) Dim dv As Data.DataView = sys.Select(New DataSourceSelectArguments) Dim i As Integer '讀入資料，使用for循环来绑定资料　 For i = 0 To dv.Table.Rows.Count - 1 Me.txt_num.Text = dv.Table.Rows(i)("CardId").ToString Me.txt_name.Text = dv.Table.Rows(i)("name").ToString Me.txt_age.Text = dv.Table.Rows(i)("age").ToString Me.year.Text = dv.Table.Rows(i)("birthday").ToString Me.sex.SelectedValue = dv.Table.Rows(i)("sex").ToString Me.txt_address.Text = dv.Table.Rows(i)("address").ToString Me.txt_email.Text = dv.Table.Rows(i)("mail").ToString Me.txt_passport.Text = dv.Table.Rows(i)("passport").ToString Me.txt_phone.Text = dv.Table.Rows(i)("phone").ToString Next If Me.txt_num.Text <> "" Then Me.btn_delete.Enabled = True Me.btn_edit.Enabled = True Me.txt_num.ReadOnly = True Me.txt_num.BackColor = Drawing.Color.Red End If End Sub Protected Sub btn_clear_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btn_clear.Click cleardata() Me.btn_delete.Enabled = False Me.btn_edit.Enabled = False Me.txt_num.ReadOnly = False Me.txt_num.BackColor = Drawing.Color.Yellow End Sub '編輯 Protected Sub btn_edit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btn_edit.Click Try sys.UpdateCommand = "update member set name = @name, age=@age,birthday=@birthday,sex=@sex,address=@address,mail=@mail,phone=@phone,passport=@passport where CardId=@CardId" sys.UpdateParameters.Add("name", Me.txt_name.Text.Trim.ToString) sys.UpdateParameters.Add("age", Me.txt_age.Text.Trim) sys.UpdateParameters.Add("birthday", Me.year.Text.Trim.ToString) sys.UpdateParameters.Add("sex", Me.sex.SelectedValue.ToString) sys.UpdateParameters.Add("address", Me.txt_address.Text.Trim.ToString) sys.UpdateParameters.Add("mail", Me.txt_email.Text.Trim.ToString) sys.UpdateParameters.Add("phone", Me.txt_phone.Text.Trim.ToString) sys.UpdateParameters.Add("passport", Me.txt_passport.Text.Trim.ToString) sys.UpdateParameters.Add("CardId", Me.txt_num.Text.Trim) sys.Update() Me.btn_edit.Attributes.Add("onclick", "return confirm('請先確定會員資料是否正確？')") '彈出提示窗口 If sys.Update > 0 Then Response.Write("<script>alert('會員資料更新成功!')</script>") Else Response.Write("<script>alert('會員資料更新失敗!')</script>") End If Catch ex As Exception MsgBox(ex.Message.ToString) End Try cleardata() Me.btn_delete.Enabled = False Me.btn_edit.Enabled = False Me.txt_num.ReadOnly = False Me.txt_num.BackColor = Drawing.Color.Yellow End Sub '刪除操作 Protected Sub btn_delete_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btn_delete.Click Try sys.DeleteCommand = "delete from member where CardId =@CardId" sys.DeleteParameters.Add("CardId", Me.txt_num.Text.Trim) sys.Delete() Me.btn_delete.Attributes.Add("onclick", "return confirm('是否要刪除此會員?')") If sys.Delete > 0 Then Response.Write("<script>alert('已經成功刪除此會員!')</script>") End If Catch ex As Exception MsgBox(ex.Message.ToString) End Try cleardata() Me.btn_delete.Enabled = False Me.btn_edit.Enabled = False Me.txt_num.ReadOnly = False Me.txt_num.BackColor = Drawing.Color.Yellow End Sub End Class

从留言板开始做网站（十）——后台留言处理（数据删除）

我们先创建一个新的PHP页面

太阳线直销源码

太阳线直销源码

某大型公司的门户网站源码 用户的管理（增,删,改,查），新闻发布前台和后台，产品功能的展示等等……

某大型公司的门户网站源码 用户的管理（增,删,改,查），新闻发布前台和后台，产品功能的展示等等…… 花了好大的力气从公司搞来的……