資源簡介
主要用servlet搭建出來的圖書管理系統(tǒng)，其中有對MySQL數(shù)據(jù)庫的增刪改查，等簡單的Javaweb項目
代碼片段和文件信息
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“）;
//?這句話的意思，是讓瀏覽器用utf8來解析返回的數(shù)據(jù)
response.setHeader（“Content-type“?“text/html;charset=UTF-8“）;
//?這句話的意思，是告訴servlet用UTF-8轉(zhuǎn)碼，而不是用默認的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