JSP新闻系统之五 增加操作

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tea_year 发表于 2021/12/29 23:52:34 2021/12/29
【摘要】 增加主题 <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <%@ page import="com.news.entity.*,com.news.dao.*,com.news.dao.impl.*" %> <% Str... 
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ page import="com.news.entity.*,com.news.dao.*,com.news.dao.impl.*" %>
<%
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 'addTopic.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="css/css.css"/>
  </head>
  
  <body>
	<form action="admin/addTopic_action.jsp" method="post">
		<table>
			<caption>添加主题</caption>
			<tr><td>主题名称</td><td><input type="text" name="tname"/></td></tr>
			<tr>
				<td><input type="submit" value="提交"/></td>
				<td><input type="reset" value="重置"/></td>
			</tr>
		</table>
	</form>
</body>
</html>

增加主题的action页面

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ page import="com.news.dao.*,com.news.dao.impl.*,com.news.entity.*" %>
<%
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 'addTopic_action.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">
  </head>
  <body>
    <%
    	//接收从页面传过来的值；
    	request.setCharacterEncoding("utf-8");
    	String tname=request.getParameter("tname");
    	TopicDao td=new TopicDaoImpl();
    	int result=td.addTopic(tname);
    	if(result>0){
    		response.sendRedirect("showAllTopic.jsp");
    	}else{
    		response.sendRedirect("error.jsp");
    	}
    	
    %>
  </body>
</html>


<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ page import="com.news.entity.*,com.news.dao.*,com.news.dao.impl.*" %>
<%
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 'addNews.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="css/css.css"/>
  </head>
  
  <body>
	<form action="admin/addNews_action.jsp" method="post">
		<table>
			<tr><td>主题</td>
				<td><select  name="tid">
					<%
						TopicDao td=new TopicDaoImpl();
						List<Topic>topices=td.getAllTopic();
						for(Topic topic:topices){
					%>
					<option value="<%=topic.getId()%>"><%=topic.getTname() %></option>
					<% }%>
				</select></td>
			</tr>
			<tr><td>标题</td><td><input type="text" name="title"></td></tr>
			<tr><td>作者</td><td><input type="text" name="author"></td></tr>
			<tr><td>摘要</td><td><textarea rows="10" cols="20" name="summary"></textarea></td></tr>
			<tr><td>内容</td><td><textarea rows="13" cols="50" name="ncontent"></textarea></td></tr>
			<tr><td colspan="2">
				<input type="submit" value="提交">
				<input type="reset" value="重置"></td>
			</tr>
		</table>
	</form>
</body>
</html>


<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ page import="com.news.entity.*,com.news.dao.*,com.news.dao.impl.*" %>

<%
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 'addNews_action.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">
  </head>
  
  <body>
    <%
    	//获取相关数据,先设置相关字符集编码
    	request.setCharacterEncoding("utf-8");
    	String tsid=request.getParameter("tid");
    	int tid=Integer.parseInt(tsid);
    	String title=request.getParameter("title");
    	String author=request.getParameter("author");
    	String summary=request.getParameter("summary");
    	String ncontent=request.getParameter("ncontent");
    	
    	News news=new News();
    	news.setTid(tid);
    	news.setTitle(title);
    	news.setAuthor(author);
    	news.setSummary(summary);
    	news.setNcontent(ncontent);
    	
    	NewsDao nd=new NewsDaoImpl();
    	int result=nd.addNews(news);
    	if(result>0){
    		response.sendRedirect("showAllNews.jsp");
    	}else{
    		response.sendRedirect("error.jsp");
    	}
    %>
  </body>
</html>


<%@ page language="java" import="java.util.*" 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 'register_action.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="css/css.css"/>
  </head>
  
  <body>
  	<form action="admin/register_action.jsp" method="post">
    <table>
    	<tr>
    		<td>账号：</td>
    		<td><input type="text" name="username"/></td>
    	</tr>
    	<tr>
    		<td>密码:</td>
    		<td><input type="password"name="userpwd"/></td>
    	</tr>
    	<tr>
    		<td>邮箱:</td>
    		<td><input type="text" name="email"/></td>
    	</tr>
    	<tr>
    		<td>地址:</td>
    		<td><input type="text" name="address"/></td>
    	</tr>
    	<tr>
    		<td>爱好：</td>
    		<td><input type="checkbox" name="hobby" value="reading"/>看书
    			<input type="checkbox" name="hobby" value="program"/>编程
    			<input type="checkbox" name="hobby" value="sports"/>体育
    			<input type="checkbox" name="hobby" value="fince"/>财经
    			<input type="checkbox" name="hobby" value="broad"/>直播
    			<input type="checkbox" name="hobby" value="game"/>游戏
    		</td>
    	</tr>
    	<tr>
    		<td><input type="submit" value="注册"/></td>
    		<td><input type="reset" value="取消"/></td>
    	</tr>
    </table>
    </form>
  </body>
</html>


<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ page import="com.news.entity.*,com.news.dao.*,com.news.dao.impl.*" %>
<%
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 'register_action.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">
	<input type="checkbox" name="hobby"/>
  </head>
  
  <body>
    <%
    	//设置请求的字符集合，在传输数据之前进行
    	request.setCharacterEncoding("utf-8");
    	String username=request.getParameter("username");
    	String userpwd=request.getParameter("userpwd");
    	String email=request.getParameter("email");
    	String address=request.getParameter("address");
    	String []hobbys=request.getParameterValues("hobby");
    	String hobby="";
    	//变量字符串
    	
    	for(int i=0;i<hobbys.length;i++){
    		hobby=hobbys[i]+",";
    	}
    	UserDao ud=new UserDaoImpl();
    	boolean flag=ud.saveUser(username,userpwd,email,address,hobby);
    	if(flag)
    		response.sendRedirect("register_success.jsp");
    	else
    		response.sendRedirect("register_error.jsp");
     %>
  </body>
</html>



文章来源: aaaedu.blog.csdn.net，作者：tea_year，版权归原作者所有，如需转载，请联系作者。

原文链接：aaaedu.blog.csdn.net/article/details/53053030

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