新闻web小酌

首页如上

 

类图如下：

添加新闻的方法（dao）：

 1 public boolean Add(News news) {
 2         boolean flag=false;
 3                 Connection con =getConnectionData();
 4                 QueryRunner queryRunner = new QueryRunner();
 5                 String sql="INSERT INTO newscon(newstype,title,author,abstrac ,content,picture) VALUE(?,?,?,?,?,?)";
 6                 Object[] paras={news.getNewstype(),news.getTitle(),news.getAuthor(),news.getAbstrac(),news.getContent(),news.getUrl()};
 7                 int count=0;
 8                 try {
 9                      count= queryRunner.update(con,sql,paras);
10                 } catch (SQLException e) {
11                     throw new RuntimeException(e.getMessage(),e);
12                 }
13                  closeAll();
14                  if(count>0){
15                     flag=true; 
16                  }
17                 return flag;
18     }

servlet方法：

 1 public class AddNews extends HttpServlet {
 2     public void doGet(HttpServletRequest request, HttpServletResponse response)
 3             throws ServletException, IOException {
 4         doPost(request,response);
 5     }
 6 
 7     public void doPost(HttpServletRequest request, HttpServletResponse response)
 8             throws ServletException, IOException {
 9         request.setCharacterEncoding("utf-8");
10         if(request.getMethod().equals("GET")){
11             request.getRequestDispatcher("/newspages/news_add.jsp").forward(request,
12                     response);
13         }else {
14             String path = request.getContextPath();
15             String basePath = request.getScheme() + "://" + request.getServerName()
16                     + ":" + request.getServerPort() + path + "/";
17             response.setContentType("text/html;charset=UTF-8");
18             request.setCharacterEncoding("UTF-8");
19             HttpSession session = request.getSession();
20             boolean flag=false;
21             try {
22                 List<News> list = (List<News>) FormUtil.assembleObjectList(request,News.class);
23                 News news = list.get(0);
24                 NewsDaoimpl dao=new NewsDaoimpl();
25                 flag = dao.Add(news);
26                 
27             } catch (NoSuchFieldException e) {
28                 e.printStackTrace();
29             } catch (Exception e) {
30                 e.printStackTrace();
31             }
32             if (flag) {
33                 response.sendRedirect(path);
34                 
35             }else {
36                 request.getRequestDispatcher("/index.jsp").forward(request,
37                         response);
38             }
39             
40         }
41     }
42 
43 }

插入标题：

 1 public class AddTitleServlet extends HttpServlet {
 2     public void doGet(HttpServletRequest request, HttpServletResponse response)
 3             throws ServletException, IOException {
 4         doPost(request, response);
 5     }
 6 
 7     public void doPost(HttpServletRequest request, HttpServletResponse response)
 8             throws ServletException, IOException {
 9         request.setCharacterEncoding("utf-8");
10         if (request.getMethod().equals("GET")) {
11             request.getRequestDispatcher("/newspages/news_add.jsp").forward(
12                     request, response);
13         } else {
14             String path = request.getContextPath();
15             String basePath = request.getScheme() + "://"
16                     + request.getServerName() + ":" + request.getServerPort()
17                     + path + "/";
18             response.setContentType("text/html;charset=UTF-8");
19             request.setCharacterEncoding("UTF-8");
20             HttpSession session = request.getSession();
21             boolean flag = false;
22             try {
23                 List<Topic> list = (List<Topic>) FormUtil.assembleObjectList(
24                         request, Topic.class);
25                 Topic topic = list.get(0);
26                 NewsDaoimpl dao = new NewsDaoimpl();
27                 flag = dao.AddTitle(topic);
28 
29             } catch (NoSuchFieldException e) {
30                 e.printStackTrace();
31             } catch (Exception e) {
32                 e.printStackTrace();
33             }
34             if (flag) {
35                 response.sendRedirect(path);
36 
37             } else {
38                 request.getRequestDispatcher("/index.jsp").forward(request,
39                         response);
40             }
41         }
42     }
43 
44 }

标题的动态加载：

index：

 1 <c:forEach var="item" items="${requestScope.Toplist}">
 2              <a style="color:blue;font-size:16px;" href='${pageContext.request.contextPath }/DoIndexServlet?id=${item.nid}'>
 3                 ${item.newstype}
 4              </a>
 5          </c:forEach>
 6         </li>
 7       </ul>
 8       <ul class="classlist">
 9         <c:forEach var="item" items="${requestScope.newsList }">
10            <li><a href='newspages/news_read.jsp'>${item.title }</a>
11            <span>  
12                    <c:forEach var="item1" items="${TimeList}">
13                        ${item1.beginDatetime}
14                    </c:forEach>
15            </span>
16            </li>
17         </c:forEach>

impl：

 1 public List<Topic> AllTitle() {
 2     
 3         Connection con=getConnectionData();
 4         String sql="select nid,newstype from type";
 5         QueryRunner query=new QueryRunner();
 6         List<Topic> list=null;
 7         try {
 8         
 9             list= query.query(con, sql,new BeanListHandler<Topic>(Topic.class));
10         } catch (SQLException e) {
11             new RuntimeException(e.getMessage());
12             
13         }
14         return list;
15     }

 

posted @ 2015-11-21 02:26  小风UU  阅读(330)  评论(1)  编辑  收藏  举报