📄 cancelpromise.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>歌手名</th>
<th>性别</th>
<th>爱好</th>
<th>住址</th>
<th>介绍</th>
<th>热度</th>
<th>取消该歌手</th>
</tr>
<% String sql=null;
String id=LoadDriver.convert(request.getParameter("id"));
String singerid=LoadDriver.convert(request.getParameter("singerid"));
DBManager db=DBManager.getInstance("localhost","music","root","589060");
ResultSet rs=null;
if(singerid!=null)
{
sql="delete from promise where singerid="+singerid+" and disccorpid="+id;
db.executeUpdate(sql);
}
sql="select * from singer where id in (select singerid from promise where disccorpid="+id+")";
rs=db.executeQuery(sql);
if(!rs.next())
out.print("没有歌手信息记录！");
else
do
{%>
<tr>
<form method="post" action="cancelpromise.jsp">
<input type="hidden" name="id" value="<%=id%>" >
<input type="hidden" name="singerid" value="<%=rs.getString(1)%>" >
<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><input type="submit" value="取消" ></td>
</form>
</tr>
<%
}while(rs.next());
%>
</table>
</body>
</html>⌨️ 快捷键说明
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