📄 songlist.jsp
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<%@ page contentType="text/html;charset=gb2312" language="java"
import="java.sql.*,music.*" errorPage="" %>
<html>
<head></head>
<body bgcolor=>
<table width=500 border=1 align="center" cellPadding=5 cellSpacing=0 borderColor=#afb5ff>
<tr>
<th>歌名</th>
<th>歌词</th>
<th>大小</th>
<th>格式</th>
<th>创建时间</th>
<th>类别</th>
<th>描述</th>
<th>浏览次数</th>
<th>更新该歌曲</th>
<th>删除该歌曲</th>
</tr>
<%
String id=LoadDriver.convert(request.getParameter("id"));
DBManager db=DBManager.getInstance("localhost","music","root","589060");
ResultSet rs=null;
String sql=null;
Connection con=db.getCon();
if(id!=null)
{
try{
con.setAutoCommit(false);
sql="delete from comefrom where songid="+id;
db.executeUpdate(sql);
sql="delete from song where id="+id;
db.executeUpdate(sql);
con.commit();
con.setAutoCommit(true);
out.print("删除成功！");
}
catch(Exception e){
con.rollback();
out.print("删除失败！");
}
}
sql="select * from song";
rs=db.executeQuery(sql);
if(!rs.next())
out.print("没有音乐信息记录！");
else
do
{%>
<tr>
<form method="post" action="modifysong.jsp">
<input type=hidden name="id" value="<%=rs.getString(1)%>">
<input type=hidden name="name" value="<%=rs.getString(2)%>">
<input type=hidden name="word" value="<%=rs.getString(3)%>">
<input type=hidden name="size" value="<%=rs.getString(4)%>">
<input type=hidden name="pattern" value="<%=rs.getString(5)%>">
<input type=hidden name="createtime" value="<%=rs.getString(6)%>">
<input type=hidden name="kind" value="<%=rs.getString(7)%>">
<input type=hidden name="description" value="<%=rs.getString(8)%>">
<input type=hidden name="frequency" value="<%=rs.getString(10)%>">
<td><%=rs.getString(2)%></td>
<td><%=rs.getString(3)%></td>
<td><%=rs.getString(4)%></td>
<td><%=rs.getString(5)%></td>
<td><%=rs.getString(6)%></td>
<td><%=rs.getString(7)%></td>
<td><%=rs.getString(8)%></td>
<td><%=rs.getString(10)%></td>
<td><input type="submit" value="更新" ></td>
<td><a href="songlist.jsp?id=<%=rs.getString(1)%>">删除<a></td>
</form>
</tr>
<%
}while(rs.next());
%>
</table>
<p><center><a href="addsong.jsp">插入新歌曲...<a></center></p>
</body>
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