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📄 editnew.jsp

📁 用JSP写的一个在线购物网站的代码
💻 JSP
字号:
<%@ page contentType="text/html;charset=gb2312" import="java.sql.*" %>
<jsp:useBean id="data" scope="page" class="shop.data.conn" />
<style type="text/css">
<!-- @import url(../images/css.css); -->
</style>
<%
String admin=(String)session.getValue("admin");
if(admin=="" || admin==null)
{%>
<script language="javascript">
alert("请登陆后再执行管理操作");
self.location="index.jsp";
</script>
<%}else{
String sql="select * from admin where admin='"+admin+"'";
ResultSet rs=data.executeQuery(sql);
if(!rs.next())
{%>
<script language="javascript">
alert("对不起,无此管理员帐号");
history.back();
</script>
<%}}%>
<table width="500" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#CCCCCC">
  <tr> 
    <td height="25" bgcolor="3969A5"><div align="center"><font color="#FFFFFF">编辑新闻</font></div></td>
  </tr>
  <tr>
    <td><table width="100%" border="0" cellpadding="0" cellspacing="0" bgcolor="#FFFFFF">
	<tr>
	<td height="20" colspan="5"></td>
	</tr>
		  <%
		  int pagesize=15;
		  int allcount;
		  int allpage;
		  int intpage;
		  int i;
		  String strpage=request.getParameter("page");
		  if(strpage==null)
		  {
		  intpage=1;
		  }
		  else{
		  intpage=Integer.parseInt("strpage");
		  if(intpage<1) intpage=1;
		  }
		  String sql="select id,title,addid,addtime from news order by id desc";
		  ResultSet rs=data.executeQuery(sql);
		  rs.last();
		  allcount=rs.getRow();
		  allpage=(allcount+pagesize-1)/pagesize;
		  if(intpage>allpage) intpage=allpage;
		  if(allpage>0)
		  {
		  rs.absolute((intpage-1)*pagesize+1);
		  int id=rs.getInt("id");
		  String title=rs.getString("title");
		  String addid=rs.getString("addid");
		  String addtime=rs.getString("addtime").substring(0,16);		  
		  %>
		  <tr>
		  <td width="240" height="20"> <a href="editnew.jsp?id=<%=id%>"><%=title%></a></td>
		  <td width="120"><div align="center"><%=addtime%></div></td>
		  <td width="60"><div align="center"><%=addid%></div></td>
		  <td width="40"><div align="center"><a href="editnew.jsp?id=<%=id%>"><font color="#FF0000">编辑</font></a></div></td>
		  <td width="40"><div align="center"><a href="editnew.jsp?del=<%=id%>"><font color="#FF0000">删除</font></a></div></td>
		  </tr>
		  <%
		  i=1;
		  id=0;
		  title="";
		  addid="";
		  addtime="";
		  while(i<pagesize && rs.next())
		  {
		  id=rs.getInt("id");
		  title=rs.getString("title");
		  addid=rs.getString("addid"); 
		  addtime=rs.getString("addtime").substring(0,16);
		  %>
		  <tr>
		  <td width="240" height="20"> <a href="editnew.jsp?id=<%=id%>"><%=title%></a></td>
		  <td width="120"><div align="center"><%=addtime%></div></td>
		  <td width="60"><div align="center"><%=addid%></div></td>
		  <td width="40"><div align="center"><a href="editnew.jsp?id=<%=id%>"><font color="#FF0000">编辑</font></a></div></td>
		  <td width="40"><div align="center"><a href="editnew.jsp?del=<%=id%>"><font color="#FF0000">删除</font></a></div></td>
		  </tr>
		  <%
		  i++;
		  }}%>
		  <tr>
		  <td height="20" colspan="5"></td>
		  </tr>
      </table></td>
  </tr>
  <tr>
    <td height="25" bgcolor="3969A5"></td>
  </tr>
</table>
<form action="" method="post">
<div align="center">当前<font color="#FF0000"><%=intpage%></font>/<font color="#FF0000"><%=allpage%></font>页,每页<font color="#FF0000"><%=pagesize%></font>条
<%if(intpage>1)
 {
if(intpage==1)
 {%>
  <a href="editnew.jsp?page=<%=intpage-1%>">上一页 </a> 
  <%} else{%>
  <a href="editnew.jsp?page=<%=1%>">最前页</a><a href="editnew.jsp?page=<%=intpage-1%>"> 上一页</a> 
  <%}}%>
  <%
if(intpage<allpage)
 {
  if(intpage==allpage)
 {%>
  <a href="editnew.jsp?page=<%=intpage+1%>">下一页</a> 
  <%}else{%>
  <a href="editnew.jsp?page=<%=intpage+1%>">下一页 </a><a href="editnew.jsp?page=<%=allpage%>">最后页</a> 
  <%}}%>
  </div>
</form>
<br><br><br>
<%
String getid=request.getParameter("id");
if(getid!=null && getid!="")
{
sql="select * from news where id='"+getid+"'";
rs=data.executeQuery(sql);
rs.next();
String title=rs.getString("title");
String text=rs.getString("text");
String addid=rs.getString("addid");
String nominate=rs.getString("nominate");
String pic=rs.getString("pic");
String chkpic=rs.getString("chkpic");
rs.close();
%>
<form action="upnew.jsp" method="post" enctype="multipart/form-data">
<input type="hidden" name="oldpic" value="<%=pic%>">
<input type="hidden" name="id" value="<%=getid%>">
<table width="500" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#CCCCCC">
  <tr> 
    <td bgcolor="3969A5" height="25"><div align="center"><font color="#FFFFFF">添加新闻</font></div></td>
  </tr>
  <tr> 
    <td><table width="100%" border="0" cellpadding="0" cellspacing="0" bgcolor="#FFFFFF">
        <tr> 
          <td height="20" colspan="3"></td>
        </tr>
        <tr> 
          <td width="150" height="20"><div align="right">新闻主题:</div></td>
          <td width="10"></td>
          <td><input name="title" type="text" style="background-color:#ECECEC; border-style:1; font-size: 11; color: #000000; font-family: arial, verdana, geneva" value="<%=title%>" size="48" maxlength="50"></td>
        </tr>
        <tr> 
          <td height="20" valign="top"><div align="right">新闻内容:</div></td>
          <td></td>
          <td><textarea name="text" cols="50" rows="10" style="background-color:#ECECEC; border-style:1; font-size: 11; color: #000000; font-family: arial, verdana, geneva"><%=text%></textarea></td>
        </tr>
        <tr> 
          <td height="20"><div align="right">添加人:</div></td>
          <td></td>
          <td><input name="addid" type="text" style="background-color:#ECECEC; border-style:1; font-size: 11; color: #000000; font-family: arial, verdana, geneva" value="<%=addid%>" size="12"></td>
        </tr>
        <tr> 
          <td height="20"><div align="right">是否推荐:</div></td>
          <td></td>
          <td>
		  <%if(nominate.equals("0")){%>
		  <input type="radio" name="nominate" value="1">不推荐
		  <input type="radio" name="nominate" value="0" checked>推荐
		  <%}else{%>
		  <input type="radio" name="nominate" value="1" checked>不推荐
		  <input type="radio" name="nominate" value="0">推荐
		  <%}%>
		  </td>
        </tr>
		<tr>
		<td height="20"><div align="right">是否含图片: </div></td>
		<td></td>
		<td>
		<%if(chkpic.equals("0")){%>
		<input type="radio" name="chkpic" value="0" checked>是
		<input type="radio" name="chkpic" value="1">否
		<%}else{%>
		<input type="radio" name="chkpic" value="0">是
		<input type="radio" name="chkpic" value="1" checked>否
		<%}%>
		</td>
		</tr>
        <tr> 
          <td height="120" colspan="3"><div align="center">
		  <%if(pic.equals("")){%>
		  <img src="../images/nopic.gif" width="100" height="80" border="0">
		  <%}else{%>
		  <img src="../news/<%=pic%>" width="100" height="80" border="0">
		  <%}%>
		  </div></td>
        </tr>
        <tr> 
          <td height="20"><div align="right">修改图片:</div></td>
          <td></td>
          <td><input type="file" name="pic" size="40" style="background-color:#ECECEC; border-style:1; font-size: 11; color: #000000; font-family: arial, verdana, geneva"></td>
        </tr>
        <tr valign="bottom"> 
          <td height="30" colspan="3"><div align="center"> 
              <input type="submit" style="background-color:#ECECEC; border-style:1; font-size: 11; color: #000000; font-family: arial, verdana, geneva" value="修改">
              <input type="reset" style="background-color:#ECECEC; border-style:1; font-size: 11; color: #000000; font-family: arial, verdana, geneva" value="复位">
            </div></td>
        </tr>
        <tr> 
          <td height="20" colspan="3"></td>
        </tr>
      </table></td>
  </tr>
  <tr> 
    <td height="25" bgcolor="3969A5"></td>
  </tr>
</table>
</form>
<%}%>
<%
String del=request.getParameter("del");
if(del!="" && del!=null)
{
sql="delete from news where id='"+del+"'";
rs=data.executeQuery(sql);
response.sendRedirect("editnew.jsp");
}
%>

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