📄 brbookdetail.jsp
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<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*,java.util.*;"%>
<%
if(session.getAttribute("adlogin")!=null){
String adlogin = (String)session.getAttribute("adlogin");
if(!adlogin.endsWith("yes")){
response.sendRedirect("../admin/login.jsp?errMsg=weidenglu" );
}
}else{
response.sendRedirect("../admin/login.jsp?errMsg=weidenglu" );
}
%>
<html>
<body>
<%
String id = request.getParameter("id");
Vector name = new Vector();
int i=0;
String bookid = "";
String brdata = "";
String redata = "";
Class.forName("org.gjt.mm.mysql.Driver").newInstance();
String url ="jdbc:mysql://localhost/library?user=root&password=linux&useUnicode=true&characterEncoding=GB2312" ;
Connection conn= DriverManager.getConnection(url);
Statement stmt=conn.createStatement();
String query = "select name from booktitle,books where findid in (select findid from bookhavebr where readerid = '"+id+"')";
ResultSet rs = stmt.executeQuery(query);
while (rs.next()){
name.add(rs.getString("name"));
}
%>
<h1><blockquote>用户<%=id %>的借书信息如下</blockquote></h1>
<table width = 500 height = 200 Align = "left">
<tr><th align = left>书名</th><th align = left>检索号</th><th align = left>借书日期</th><th>应还日期</th></tr>
<%
query="select * from bookhavebr where readerid = '"+id+"'";
rs=stmt.executeQuery(query);
while(rs.next())
{
bookid=rs.getString("findid");
brdata = rs.getString("brdata");
redata = rs.getString("redata");
%><tr><td><%=(String)name.get(i) %></td><td><%=bookid %></td><td><%=brdata %></td><td><%=redata %></td></tr>
<%
i++;
} %>
<%
double ss =0.0;
query ="select sum(fakuan) from fakuan where readerid = '"+id+"'";
rs = stmt.executeQuery(query);
if(rs.next()){
String s1=rs.getString("sum(fakuan)");
if(s1!=null)
ss = Double.parseDouble(s1);
}%>
<tr><td>所欠罚款</td><td><%=ss %></td></tr>
<tr><td><a href = ./readerdetail.jsp?id=<%=id %>>返回</a></td></tr>
</table>
</body>
</html>
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