📄 subjectsave.jsp
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<%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>
<%@ page import="com.study.database.*"%>
<%@ page import="java.sql.*"%>
<%@ page import="javax.sql.*"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'examsave.jsp' starting page</title>
</head>
<body>
<%
DBConnectionManage db = new DBConnectionManage();
Connection conn = db.getFreeConnection();
String subjecttype = request.getParameter("subjecttype");
String subjectquestion = request.getParameter("subjectquestion");
String subjectanswer = request.getParameter("subjectanswer");
String query = "insert into subject (subjecttype,subjectquestion,subjectanswer) values(?,?,?)";
PreparedStatement psmt = null;
try{
psmt = conn.prepareStatement(query);
psmt.setString(1,subjecttype);
psmt.setString(2,subjectquestion);
psmt.setString(3,subjectanswer);
psmt.executeUpdate();
out.println("<script language = javascript>alert('操作记录成功！');window.location.href='subject.jsp';</script>");
psmt.close();
}catch(Exception ex){
}finally{
psmt.close();
conn.close();
}
%>
</body>
</html>
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