每个ASP程序员必备的知识

绿色资源网 2009年06月24日 19:10:11

      数据库连接:
      <%
      set conn=server.createobject("adodb.connection")
      conn.open "driver={microsoft access driver (*.mdb)};dbq="&server.mappath("数据库名")
      %>

      打开数据库:

      exec="select * from 数据库表"
      set rs=server.createobject("adodb.recordset")
      rs.open exec,conn,1,1
      参数1,1为读取
      读取内容格式:<%=rs("字段")%>
      添加记录处理程序:

      <%
      set conn=server.createobject("adodb.connection")
      conn.open "driver={microsoft access driver (*.mdb)};dbq="&server.mappath("数据库名")
      name=request.form("字段") name,tel,message为提交表单所设置的字段值
      tel=request.form("字段")
      message=request.form("字段")
      exec="insert into 表名(字段)values(';"+字段+"';)" 多个用逗号隔开
      conn.execute exec 使用execute提交
      conn.close
      set conn=nothing
      %>

      搜索处理程序:

      <%
      name=request.form("字段") name,tel为提交表单所设置的字段值
      tel=request.form("字段")
      set conn=server.createobject("adodb.connection")
      conn.open "driver={microsoft access driver (*.mdb)};dbq="&server.mappath("数据库名")
      exec="select * from 表 where name=';"+字段+"'; and tel="+字段
      set rs=server.createobject("adodb.recordset")
      rs.open exec,conn,1,1
      %>

      ';页面搜索到的内容导出来

      <%
      do while not rs.eof
      %><tr>
      <td><%=rs("name")%></td>
      <td><%=rs("tel")%></td>
      <td><%=rs("time")%></td>
      </tr>
      <%
      rs.movenext
      loop
      %>

      删除记录处理程序:

      <%
      set conn=server.createobject("adodb.connection")
      conn.open "driver={microsoft access driver (*.mdb)};dbq="&server.mappath("数据库名")
      exec="delete * from 表名 where 编号="&request.form("id")
      conn.execute exec
      %>

      修改记录处理程序:

      <%
      set conn=server.createobject("adodb.connection")
      conn.open "driver={microsoft access driver (*.mdb)};dbq="&server.mappath("数据库名")
      exec="select * from 表名 where 编号="&request.form("id")
      set rs=server.createobject("adodb.recordset")
      rs.open exec,conn,1,3 ';1,3为修改意思
      rs("name")=request.form("字段") ';name,tel,message为提交表单所设置的字段值
      rs("tel")=request.form("字段")
      rs("message")=request.form("字段")
      rs.update
      rs.close
      set rs=nothing
      conn.close
      set conn=nothing
      %>

      修改记录执行程序:输入ID号页面>>>导出相对应ID数据>>>>>>直接修改的处理程序
      后台登陆处理程序例子:

      <%
      dim name,password
      name=request.form("name")
      password=request.form("password")
      dim exec,conn,rs
      exec="select *from 表名 where(name=';"&字段&"'; and password=';"&字段&"';)"
      set conn=server.createobject("adodb.connection")
      conn.open "driver={microsoft access driver (*.mdb)};dbq="&server.mappath("数据库名")
      set rs=server.createobject("adodb.recordset")
      rs.open exec,conn
      if not rs.eof then
      rs.Close
      conn.Close
      session("checked")="yes"
      session("check")="right"
      response.Redirect "index.asp"
      else
      session("checked")="no"
      session("check")="wrong"
      response.Redirect "login.asp"
      end if
      %>

      每个后台页面加上:

      <%if not session("checked")="yes" then ';session里面定义一个checked字符串变量
      response.Redirect "login.asp"
      else
      %>