listbooksservlet.java
来自「一个经典购物车（shoppingcart）实例代码」· Java 代码 · 共 126 行
JAVA
126 行
package com.jpioneer.application.book.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.jpioneer.application.book.domain.Book;
import com.jpioneer.application.book.service.BookService;
import com.jpioneer.application.book.service.impl.BookServiceImpl;
public class ListBooksServlet extends HttpServlet {
/**
* Constructor of the object.
*/
public ListBooksServlet() {
super();
}
/**
* Destruction of the servlet. <br>
*/
public void destroy() {
super.destroy(); // Just puts "destroy" string in log
// Put your code here
}
/**
* The doGet method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to get.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY bgcolor=#FFFFFF>");
out.print("<table width=98% border=0 align=center bgcolor=#FFFFFF> ");
out.print("<tr> <td height=22 bgcolor=#4279C6 class=p105a colspan=4> <strong>Book Information</strong></td></tr> ");
out.print(" <tr> ");
out.print(" <td align=center bgcolor=#E6F1FF width=20%>ID </td>");
out.print(" <td align=center bgcolor=#E6F1FF>Author Name</td>");
out.print(" <td align=center bgcolor=#E6F1FF>Book Name</td>");
out.print(" <td align=center bgcolor=#E6F1FF>Number SOld</td>");
out.print(" </tr>");
BookService bookService=new BookServiceImpl();
try{
List list=bookService.listAllBooks();
for(int i=0;i<list.size();i++){
Book b=(Book)list.get(i);
out.print(" <tr> ");
out.print(" <td align=center bgcolor=#E6F1FF width=20%>"+b.getAuthorId()+" </td>");
out.print(" <td align=center bgcolor=#E6F1FF>"+b.getAuthorName()+"</td>");
out.print(" <td align=center bgcolor=#E6F1FF>"+b.getBookName()+"</td>");
out.print(" <td align=center bgcolor=#E6F1FF>"+b.getNumbersold()+"</td>");
out.print(" </tr>");
}
}catch(Exception e){
e.printStackTrace();
}
out.print("</table>");
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
/**
* The doPost method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to post.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out
.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY>");
out.print(" This is ");
out.print(this.getClass());
out.println(", using the POST method");
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
/**
* Initialization of the servlet. <br>
*
* @throws ServletException if an error occure
*/
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
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?