📄 showuserblogsservlet.java
字号:
package blogServlet;
/**
* 登录成功：
* 显示用户日志列表
*/
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class ShowUserBlogsServlet extends HttpServlet {
/**
* Constructor of the object.
*/
public ShowUserBlogsServlet() {
super();
}
/**
* Destruction of the servlet. <br>
*/
public void destroy() {
super.destroy(); // Just puts "destroy" string in log
// Put your code here
}
public void service(HttpServletRequest request,HttpServletResponse response)
throws IOException,ServletException{
PrintWriter out = response.getWriter();
//验证用户是否已经登录,若否则重定向到登录页面
javax.servlet.http.HttpSession session = request.getSession();
UserInfo user = (UserInfo)session.getAttribute("LoginUser");
if(null==user){
request.getRequestDispatcher("login.html").forward(request, response);
return ;
}
//获取用户名
String name = user.getName();
//获取用户日志
DaoUserBlog dui = new DaoUserBlog();
java.util.List<UserBlog> ubList = dui.getUserBlogs(name);
out.println("<HTML>");
out.println("<HEAD><TITLE>用户日志列表</TITLE></HEAD><BODY>");
//显示执行数据库查询得到的用户日志列表
if (!(ubList.isEmpty())) {
out.println("<hr>");
out.println("用户 "+name+" ：<br>");
out.println("<a href=\"/blogWebServlet/NewBlogServlet?userName="+name+"\">新建日志</a>");
out.println("<br><hr><br>");
for (int i = 0; i < ubList.size(); i++) {
UserBlog ub = ubList.get(i);
out.println("第 "+(i+1)+" 篇日志：<br>");
out.print("------title : " + ub.getTitle()+"<br>");
out.print("------keyword : " + ub.getKeyword()+"<br>");
out.print("------content : " + ub.getContent()+"<br>");
out.print("------posttime : " + ub.getPostTime()+"<br>");
//修改文章的链接
out.println("<a href=\"/blogWebServlet/ModifyBlogServlet?id="
+ ub.getId() + "&title=" + ub.getTitle() + "&keyword="
+ ub.getKeyword() + "&content=" + ub.getContent()
+ "\">修改日志</a>");
//System.out.println("测试字符乱码问题：标题："+ub.getTitle());
//删除文章的链接
out.println("<a href=\"/blogWebServlet/DelBlogServlet?id="+ub.getId()+"\">删除日志</a>");
out.println("<hr>");
}
}
else{
out.println("<hr>");
out.println("用户 "+name+" ：<br>");
out.println("你还未写日志,赶快动手吧！！！<br>");
out.println("<a href=\"/blogWebServlet/NewBlogServlet?userName="+name+"\">新建日志</a>");
}
out.println("</BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
/**
* Initialization of the servlet. <br>
*
* @throws ServletException if an error occurs
*/
public void init() throws ServletException {
// Put your code here
}
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -