servlet之註冊登錄（簡寫）
阿新 • • 發佈：2017-07-25
cor 響應 愛好 user 分享 語句 ace 設置 tps 
1.註冊頁面
1 <%@ page language="java" contentType="text/html; charset=UTF-8" 2 pageEncoding="UTF-8"%> 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 4 <html> 5 <head> 6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 7View Code<title>Insert title here</title> 8 <script type="text/javascript" src="../js/jquery-1.6.4.min.js"></script> 9 <script type="text/javascript" src="../js/jquery.validate.js"></script> 10 <script type="text/javascript"> 11 $(function() 12 { 13 $("form").validate();14 15 }) 16 </script> 17 </head> 18 <body> 19 <form action="../Servlet" method="post"> 20 用戶名：<input type="text" name="userName" required /><br/> 21 密碼：<input type="password" name="password" id="l1" maxlength="10" minlength="6" required /><br/> 22確認密碼：<input type="password" name="password" equalTo="#l1" required /><br/> 23 性別：<input type="radio" name="sex" required />男 24 <input type="radio" name="sex"/>女<br/> 25 出生日期：<input type="date" name="birthday" required /><br/> 26 個人愛好：<input type="checkbox" name="hobby" required />遊泳 27 <input type="checkbox" name="hobby"/>籃球 28 <input type="checkbox" name="hobby"/>排球 29 <input type="checkbox" name="hobby"/>氣球<br/> 30 <button type="submit">註冊</button> 31 <button type="reset">重置</button> 32 </form> 33 </body> 34 </html>
2.servlet
1 package com.zdsofe.servlet1; 2 3 import java.io.IOException; 4 import java.sql.Connection; 5 import java.sql.DriverManager; 6 import java.sql.SQLException; 7 import java.sql.Statement; 8 9 import javax.servlet.ServletException; 10 import javax.servlet.annotation.WebServlet; 11 import javax.servlet.http.HttpServlet; 12 import javax.servlet.http.HttpServletRequest; 13 import javax.servlet.http.HttpServletResponse; 14 15 16 17 /** 18 * Servlet implementation class Servlet 19 */ 20 @WebServlet("/Servlet") 21 public class Servlet extends HttpServlet { 22 private static final long serialVersionUID = 1L; 23 private static String DRIVER="com.mysql.jdbc.Driver"; 24 private static String URL="jdbc:mysql://localhost:3306/mysql"; 25 private static String user="root"; 26 private static String key="775297"; 27 Connection conn; 28 int result=0; 29 //加載驅動 30 static{ 31 try { 32 Class.forName(DRIVER); 33 } catch (ClassNotFoundException e) { 34 e.printStackTrace(); 35 } 36 } 37 /** 38 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) 39 */ 40 protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { 41 /*request.getRequestDispatcher("https://www.baidu.com").forward(request, response);*/ 42 response.sendRedirect("/webProject1/Pages/Welcome.jsp"); 43 44 } 45 46 /** 47 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) 48 */ 49 protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { 50 //設置請求字符編碼 51 request.setCharacterEncoding("utf-8"); 52 //設置響應字符編碼 53 response.setCharacterEncoding("utf-8"); 54 response.setContentType("text/html;charset=utf-8"); 55 //獲取用戶名 56 String userName=request.getParameter("userName"); 57 //密碼 58 String password=request.getParameter("password"); 59 try { 60 //連接數據庫 61 conn = DriverManager.getConnection(URL,user,key); 62 //創建SQL語句對象 63 Statement stmt=conn.createStatement(); 64 String sql="insert into denglu(userName,mima) values(‘"+userName+"‘,‘"+password+"‘)"; 65 result= stmt.executeUpdate(sql); 66 } catch (SQLException e) { 67 e.printStackTrace(); 68 } 69 if(result==1) 70 { 71 //response.sendRedirect(request.getContextPath()+"/jsp-login/welcome.jsp"); 72 //request.getRequestDispatcher("/Pages/DengLu.jsp?userN="+userName).forward(request, response); 73 request.getRequestDispatcher("/Pages/DengLu.jsp").forward(request, response); 74 } 75 else 76 { 77 request.setAttribute("error", "註冊失敗！"); 78 request.getRequestDispatcher("/Pages/ZhuCe.jsp").forward(request, response); 79 } 80 } 81 82 }View Code
3.登錄端
1 <%@ page language="java" contentType="text/html; charset=UTF-8" 2 pageEncoding="UTF-8"%> 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 4 <html> 5 <head> 6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 7 <title>Insert title here</title> 8 </head> 9 <body> 10 <form action="Servlet" method="get"> 11 用戶名：<input type="text" name="userName1"/><br/> 12 密碼：<input type="password" name="password1"/><br/> 13 <button type="submit">登錄</button> 14 <button type="reset">重置</button> 15 </form> 16 </body> 17 </html>View Code
4.歡迎頁面
1 <%@ page language="java" contentType="text/html; charset=UTF-8" 2 pageEncoding="UTF-8"%> 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 4 <html> 5 <head> 6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 7 <title>Insert title here</title> 8 </head> 9 <body> 10 welcome! 11 </body> 12 </html>View Code
servlet之註冊登錄（簡寫）