资源简介
主要用servlet搭建出来的图书管理系统，其中有对MySQL数据库的增删改查，等简单的Javaweb项目
代码片段和文件信息
package login;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import QAQ.Do;
/**
* Servlet implementation class addAction
*/
@WebServlet（“/addAction“）
public class addAction extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet（）
*/
public addAction（） {
super（）;
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet（HttpServletRequest request HttpServletResponse response）
*/
protected void doGet（HttpServletRequest request HttpServletResponse response） throws ServletException IOException {
// TODO Auto-generated method stub
response.setContentType（“text/html“）;
// 这句话的意思，是让浏览器用utf8来解析返回的数据
response.setHeader（“Content-type“ “text/html;charset=UTF-8“）;
// 这句话的意思，是告诉servlet用UTF-8转码，而不是用默认的ISO8859
response.setHeader（“content-type“ “text/html;charset=UTF-8“）;
response.setCharacterEncoding（“UTF-8“）;
request.setCharacterEncoding（“UTF-8“）;
PrintWriter out = response.getWriter（）;
String Id = request.getParameter（“Id“）;
int id = Integer.parseInt（Id）;
int book_id = id;
String book_name = request.getParameter（“book_name“）;
String book_num = request.getParameter（“book_num“）;
String book_concern = request.getParameter（“book_concern“）;
String book_writer = request.getParameter（“book_writer“）;
System.out.println（book_name+book_num+book_concern+book_writer）;
Do a = new Do（）;
// a.show2（ book_name book_concern book_writerbook_num book_indate）;
if（a.show2（id book_namebook_concernbook_writerbook_idbook_num）） {
String docType = “\n“;
out.println（docType + “\n“
+ “tle> tle>\n“
+ “\n“ + “添加成功\n