📄 update_score.jsp
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<%@ page language="java" import="java.sql.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'update_score.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<jsp:useBean id="test1" scope="application" class="test.Connect_db"/>
<body>
<%
String text_name[]={"1","2","3","4","5","6","7","8","9","10","11"};
String hidden_name1[]={"h1","h2","h3","h4","h5","h6","h7","h8","h9","h10","h11"};
String hidden_name2[]={"s1","s2","s3","s4","s5","s6","s7","s8","s9","s10","s11"};
Connection con=test1.getConnection();
String sql="update selection set score=? where s_id=? and c_id=?";
for(int i=0;i<10&&request.getParameter(text_name[i])!=null;i++){
PreparedStatement ps=con.prepareStatement(sql);
ps.setInt(1,Integer.parseInt(request.getParameter(text_name[i])));
ps.setString(2,request.getParameter(hidden_name1[i]));
ps.setString(3,request.getParameter(hidden_name2[i]));
ps.executeUpdate();
}
out.print("添加成功。");
%>
</body>
</html>
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