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新闻发布增删改

书写经典 2022-03-30 阅读 48
eclipse
<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.PreparedStatement"%>
<%@page import="java.sql.DriverManager"%>
<%@page import="java.sql.Connection"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>添加主题--管理后台</title>
<link href="CSS/admin.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="header">
  <div id="welcome">欢迎使用新闻管理系统！</div>
  <div id="nav">
    <div id="logo"><img src="images/logo.jpg" alt="新闻中国" /></div>
    <div id="a_b01"><img src="images/a_b01.gif" alt="" /></div>
  </div>
</div>
<div id="admin_bar">
  <div id="status">管理员： 登录  &#160;&#160;&#160;&#160; <a href="#">login out</a></div>
  <div id="channel"> </div>
</div>
<div id="main">
  <div id="opt_list">
    <ul>
    <%
       Class.forName("oracle.jdbc.OracleDriver");
       String url = "jdbc:oracle:thin:@localhost:1521:ORCL";
       Connection con = DriverManager.getConnection(url, "scott", "wearegood000");
       PreparedStatement ps = con.prepareStatement("select * from News order by nid desc");
       ResultSet rs = ps.executeQuery();
       while(rs.next()){
       %>
      <li><a href="newspages/add_news.jsp">添加新闻</a></li>
      <li><a href="#">编辑新闻</a></li>
      <li><a href="#">查找新闻</a></li>
      <li><a href="#">添加主题</a></li>
      <li><a href="修改主题.jsp?ntitle<%=rs.getString("ntitle")%>">编辑主题</a></li>
      <%} %>
    </ul>
  </div>
  <div id="opt_area">
    <script type="text/javascript">
	function clickdel(){
		return confirm("删除请点击确认");
	}
	
</script>
    <ul class="classlist">
       <%
       Class.forName("oracle.jdbc.OracleDriver");
       String url1 = "jdbc:oracle:thin:@localhost:1521:ORCL";
       Connection con1 = DriverManager.getConnection(url1, "scott", "wearegood000");
       PreparedStatement ps1 = con1.prepareStatement("select * from News order by nid desc");
       ResultSet rs1 = ps1.executeQuery();
       while(rs1.next()){
       %>
      <li>
      <a href='新闻详情.jsp?nid=<%=rs1.getString("tid")%>'>
      <%=rs1.getString("ntitle")%> 
      </a> 
      <span>作者：  
      <%=rs1.getString("nzz")%>                                    
        &#160;&#160;&#160;&#160; <a href='#'>修改</a> &#160;&#160;&#160;&#160; <a href='删除.jsp?nid=<%=rs1.getString("nid") %>' onclick='return clickdel()'>删除</a> </span> </li>
      <li class='space'></li>
      <%} %>
      <p align="right"> 当前页数:[1/3]&nbsp; <a href="#">下一页</a> <a href="#">末页</a> </p>
    </ul>
  </div>
</div>
<div id="site_link"> <a href="#">关于我们</a><span>|</span> <a href="#">Aboue Us</a><span>|</span> <a href="#">联系我们</a><span>|</span> <a href="#">广告服务</a><span>|</span> <a href="#">供稿服务</a><span>|</span> <a href="#">法律声明</a><span>|</span> <a href="#">招聘信息</a><span>|</span> <a href="#">网站地图</a><span>|</span> <a href="#">留言反馈</a> </div>
<div id="footer">
  <p class="">24小时客户服务热线：010-68988888  &#160;&#160;&#160;&#160; <a href="#">常见问题解答</a> &#160;&#160;&#160;&#160;  新闻热线：010-627488888<br />
    文明办网文明上网举报电话：010-627488888  &#160;&#160;&#160;&#160;  举报邮箱：<a href="#">jubao@jb-aptech.com.cn</a></p>
  <p class="copyright">Copyright &copy; 1999-2009 News China gov, All Right Reserver<br />
    新闻中国   版权所有</p>
</div>
</body>
</html>

上面在主页添加删除和绑定数据

String uname = request.getParameter("textfield");
String upwd = request.getParameter("textfield2");
Class.forName("oracle.jdbc.driver.OracleDriver");
String url = "jdbc:oracle:thin:@localhost:1521:ORCL";
Connection con = DriverManager.getConnection(url, "scott", "wearegood000");
PreparedStatement ps = con.prepareStatement("select * from Stu where uname=? and upwd=?");
ps.setString(1, uname);
ps.setString(2, upwd);
ResultSet rs = ps.executeQuery();
if(rs.next()){
	request.getRequestDispatcher("admin.jsp").forward(request, response);
}else{
	out.print("<script>alert('用户民或密码错误');location.href='登录_数据库.jsp'</script>");
}

上面数据库登录绑定数据

String text = request.getParameter("text");
Class.forName("oracle.jdbc.OracleDriver");
String url = "jdbc:oracle:thin:@localhost:1521:ORCL";
Connection con = DriverManager.getConnection(url, "scott", "wearegood000");
PreparedStatement ps = con.prepareStatement("select * from News where nzz like ?");
ps.setString(1, text);
ResultSet rs = ps.executeQuery();
if(rs.next()){
	out.print("<script>location.href='admin.jsp'</script>");
}else{
	out.print("<script>alert('查询失败,请根据作者查询');location.href='admin.jsp'</script>");
}

上面对作者模糊查询

<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.PreparedStatement"%>
<%@page import="java.sql.DriverManager"%>
<%@page import="java.sql.Connection"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<link href="../CSS/admin.css" rel="stylesheet" type="text/css" />

</head>
<body>
<%
out.print(request.getParameter("nid"));
%>
<ul>
		<%
			String nid = request.getParameter("tid");
			int sid = Integer.valueOf(nid);
			Class.forName("oracle.jdbc.driver.OracleDriver");
			String url = "jdbc:oracle:thin:@localhost:1521:ORCL";
			Connection con = DriverManager.getConnection(url, "scott", "wearegood000");
			PreparedStatement ps1 = con.prepareStatement("select * from subject where tid=?");
			ps1.setInt(1, sid);
			ResultSet rs1 = ps1.executeQuery();
			if(rs1.next()){
				%>
				主题：
				<li><%=rs1.getString("tname") %></li>
			<%} %>
			
		<%	
			PreparedStatement ps = con.prepareStatement("select * from News where tid=?");
			ps.setInt(1, sid);
			ResultSet rs = ps.executeQuery();
			if (rs.next()) {
		%>
			标题：
			<li><%=rs.getString("ntitle") %></li>
			作者：
			<li><%=rs.getString("nzz") %></li>
			摘要：
			<li><%=rs.getString("nzy") %></li>
			内容：
			<li><%=rs.getString("ncontent") %></li>
		<%} %>
		</ul>
</body>
</html>

上面是对新闻详情绑定数据

<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.PreparedStatement"%>
<%@page import="java.sql.DriverManager"%>
<%@page import="java.sql.Connection"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>添加主题--管理后台</title>
<link href="../CSS/admin.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="header">
  <div id="welcome">欢迎使用新闻管理系统！</div>
  <div id="nav">
    <div id="logo"><img src="../images/logo.jpg" alt="新闻中国" /></div>
    <div id="a_b01"><img src="../images/a_b01.gif" alt="" /></div>
  </div>
</div>
<div id="admin_bar">
  <div id="status">管理员： 登录  &#160;&#160;&#160;&#160;<a href="#">login out</a></div>
  <div id="channel"> </div>
</div>
<div id="main">
  <div id="opt_list">
    <ul>
      <li><a href="news_add.jsp">添加新闻</a></li>
      <li><a href="../admin.jsp">编辑新闻</a></li>
      <li><a href="#">查找新闻</a></li>
      <li><a href="topic_add.jsp">添加主题</a></li>
      <li><a href="#">编辑主题</a></li>
    </ul>
  </div>
  <div id="opt_area">
    <h1 id="opt_type"> 添加新闻： </h1>
    <form action="添加新闻.jsp" method="post">
      <p>
        <label> 主题 </label>
        <select name="ntid">
         <%
         Class.forName("oracle.jdbc.driver.OracleDriver");
         String url = "jdbc:oracle:thin:@localhost:1521:ORCL";
         Connection con = DriverManager.getConnection(url, "scott", "wearegood000");
         PreparedStatement ps = con.prepareStatement("select * from subject");
         ResultSet rs = ps.executeQuery();
         while(rs.next()){
         %>
         <option value='<%=rs.getInt(1)%>'><%=rs.getString(2) %></option>
         <%}%>
        </select>
      </p>
      <p>
        <label> 标题 </label>
        <input name="ntitle" type="text" class="opt_input" />
      </p>
      <p>
        <label> 作者 </label>
        <input name="nauthor" type="text" class="opt_input" />
      </p>
      <p>
        <label> 摘要 </label>
        <textarea name="nsummary" cols="40" rows="3"></textarea>
      </p>
      <p>
        <label> 内容 </label>
        <textarea name="ncontent" cols="70" rows="10"></textarea>
      </p>
      <p>
        <label> 上传图片 </label>
        <input name="file" type="file" class="opt_input" />
      </p>
      <input name="action" type="hidden" value="addnews">
      <input type="submit" value="提交" class="opt_sub" />
      <input type="reset" value="重置" class="opt_sub" />
    </form>
  </div>
</div>
<div id="site_link"> <a href="#">关于我们</a><span>|</span> <a href="#">Aboue Us</a><span>|</span> <a href="#">联系我们</a><span>|</span> <a href="#">广告服务</a><span>|</span> <a href="#">供稿服务</a><span>|</span> <a href="#">法律声明</a><span>|</span> <a href="#">招聘信息</a><span>|</span> <a href="#">网站地图</a><span>|</span> <a href="#">留言反馈</a> </div>
<div id="footer">
  <p class="">24小时客户服务热线：010-68988888  &#160;&#160;&#160;&#160; <a href="#">常见问题解答</a> &#160;&#160;&#160;&#160;  新闻热线：010-627488888<br />
    文明办网文明上网举报电话：010-627488888  &#160;&#160;&#160;&#160;  举报邮箱：<a href="#">jubao@jb-aptech.com.cn</a></p>
  <p class="copyright">Copyright &copy; 1999-2009 News China gov, All Right Reserver<br />
    新闻中国   版权所有</p>
</div>
</body>
</html>

上面是添加新闻在标题绑定数据

<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.PreparedStatement"%>
<%@page import="java.sql.DriverManager"%>
<%@page import="java.sql.Connection"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%
String tid = request.getParameter("ntid");
int ntid = Integer.valueOf(tid);
String ntitle = request.getParameter("ntitle");
String nauthor = request.getParameter("nauthor");
String nsummary = request.getParameter("nsummary");
String ncontent = request.getParameter("ncontent");
Class.forName("oracle.jdbc.OracleDriver");
String url = "jdbc:oracle:thin:@localhost:1521:ORCL";
Connection con = DriverManager.getConnection(url, "scott", "wearegood000");
int mtid = 1;
PreparedStatement ps = con.prepareStatement("select max(tid) from news");
ResultSet rs = ps.executeQuery();
if(rs.next()){
	mtid = rs.getInt(1)+1;
}

PreparedStatement ps1 = con.prepareStatement("insert into News values (?,?,?,?,?,sysdate,0,?) ");
ps1.setInt(1, mtid);
ps1.setInt(2, ntid);
ps1.setString(3, ntitle);
ps1.setString(4, nauthor);
ps1.setString(5, nsummary);
ps1.setString(6, ncontent);
ResultSet rs1 = ps1.executeQuery();
if(rs1.next()){
	out.print("<script>alert('添加成功');location.href='../admin.jsp'</script>");
}else{
	out.print("<script>alert('添加失败');location.href='add_news.jsp'</script>");
}


%>

上面是对数据添加新闻

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