📄 post.jsp
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<%@ page language="java" contentType="text/html; charset=gbk"
pageEncoding="gbk"%>
<%@ page import="java.sql.*" %>
<%
request.setCharacterEncoding("gbk");
String action = request.getParameter("action");
if(action != null && action.equals("post")) {
String title = request.getParameter("title");
String cont = request.getParameter("cont");
cont = cont.replaceAll("\n" , "<br>");
Class.forName("com.mysql.jdbc.Driver");
Connection conn = DriverManager.getConnection("jdbc:mysql://localhost/bbs?user=root&password=yuanshuai");
conn.setAutoCommit(false);
PreparedStatement pstmt = conn.prepareStatement("insert into article values (null, 0, ?, ?, ?, now(), 0)", Statement.RETURN_GENERATED_KEYS);
Statement stmt = conn.createStatement();
pstmt.setInt(1, -1);
pstmt.setString(2, title);
pstmt.setString(3, cont);
pstmt.executeUpdate();
ResultSet rsKey = pstmt.getGeneratedKeys();
rsKey.next();
int key = rsKey.getInt(1);
rsKey.close();
stmt.executeUpdate("update article set rootid = " + key + " where id = " + key);
conn.commit();
conn.setAutoCommit(true);
stmt.close();
pstmt.close();
conn.close();
response.sendRedirect("ShowArticleTree.jsp");
}
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk">
<title>发表新贴</title>
</head>
<div align="center"><font color="blue" size="6">请填写你要发表的新贴</font></div>
<body>
<form action="Post.jsp" method="post" name="form1">
<div align="center">
<input type="hidden" name="action" value="post">
<font color="red">标题:</font><input type="text" name="title" size="80"><br><br>
<font color="green">内容:</font><textarea rows="12" cols="80" name="cont"></textarea><br>
<input type="submit" name="submit" value="提交">
<input type="reset" name="reset" value="重置">
</div>
</form>
</body>
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