JAVAWEB-注册页面设计

  1 <%@ page language="java" contentType="text/html; charset=utf-8"
  2     pageEncoding="utf-8"%>
  3 <!DOCTYPE html >
  4 <html>
  5 <head>
  6 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  7 <title>注册页面</title>
  8 <script type="text/javascript">
  9     function check(form) {
 10         with (form) {
 11             if (username.value == "") {
 12                 alert("用户名不能为空");
 13                 return false;
 14             } else if (password.value == "" || password1.value == "") {
 15                 alert("密码不能为空");
 16                 return false;
 17             } else
 18                 return true;
 19         }
 20     }
 21 </script>
 22 <style>  //**********************************网页格式设置****************************************
 23 .a {
 24     border: 2px solid #a1a1a1;
 25     padding: 10px 40px;
 26     /*     background:#dddddd; */
 27     width: px;
 28     border-radius: 25px;
 29 }
 30 #bk {
 31     border: 3px solid #a1a1a1;
 32     padding: 10px 60px;
 33     /*     background:#dddddd; */
 34     width: px;
 35     border-radius: 25px;
 36 }
 37  .button {
 38     background-color:  #ff8433;
 39     border: none;
 40     color: white;
 41     padding: 5px 10px;
 42     text-decoration: none;
 43     display: inline-block;
 44     font-size: 16px;
 45     margin: 2px 2px;
 46     cursor: pointer;
 47 }
 48 table{
 49 margin: auto;
 50 }
 51 </style>
 52 </head>
 53 <body>
 54     <br>
 55     <br>
 56     <br>
 57     <h3 align="center">注册页面</h3>
 58     <hr>
 59     <form  action="Rservlet" method="post"
 60         onsubmit="return check(this);">
 61         <div style="text-align: center;">
 62         <table>
 63             <tr>
 64                 <td>用户名</td>
 65                 <td><input id="bk" type="text" name="username" placeholder="6-12字母数字|字母开头" ></td>
 66             </tr>
 67             <tr>
 68                 <td>密码</td>
 69                 <td><input id="bk" type="password" name="password"placeholder="由8位及以上英文和数字组成"></td>
 70             </tr>
 71             <tr>
 72                 <td>性别</td>
 73                     <td><input type="radio" name="sex" value="男">男
 74                     <input type="radio" name="sex" value="女">女</td>
 75             </tr>
 76             <tr>
 77                 <td>姓名</td>
 78                 <td><input id="bk" type="text" name="name"></td>
 79             </tr>
 80             <tr>
 81                 <td>学号</td>
 82                 <td><input id="bk" type="text" name="stunumber"></td>
 83             </tr>
 84             <tr>
 85                 <td>邮箱</td>            
 86                 <td><input id="bk" type="text" name="email"></td>
 87                 </tr>
 88             <tr>
 89                 <td>所在学院</td>
 90                 <td><input id="bk" type="text" name="academy"></td>
 91             </tr>
 92             <tr>
 93                 <td>所在系</td>            
 94                 <td><input id="bk" type="text" name="department"></td>
 95             </tr>
 96             <tr>
 97                 <td>所在班级</td>            
 98                 <td><input id="bk" type="text" name="classx"></td>
 99             </tr>
100             <tr>
101                 <td>入学年份</td>            
102                 <td><input id="bk" type="text" name="timeschool"></td>
103             </tr>
104             <tr>
105                 <td>生源地</td>            
106                 <td><input id="bk" type="text" name="stuplace"></td>
107             </tr>
108             <tr>
109                 <td>备注</td>            
110                 <td><input id="bk" type="text" name="remark"></td>
111             </tr>
112             <tr>
113             <td></td>
114                 <td><input class ="button" type="submit" value="添加"></td>
115             </tr>            
116         </table>
117         </div>
118     </form>
119 </body>
120 </html>

 1 package util;
 2 import java.sql.Connection;
 3 import java.sql.DriverManager;
 4 import java.sql.PreparedStatement;
 5 import java.sql.ResultSet;
 6 import java.sql.SQLException;
 7 public class DBUtil {    
 8 
 9     private static String URL = "jdbc:mysql://localhost:3306/a?useUnicode=true&characterEncoding=utf8&serverTimezone=UTC";
10 
11     private static String UserName = "root";
12    
13     private static String Password ="root";
14     public static Connection getConnection() {
15         Connection Conn=null;
16 
17         try {
18 
19             Class.forName("com.mysql.cj.jdbc.Driver");
20 
21             System.out.println("鍔犺浇椹卞姩鎴愬姛!!!");
22         } catch (ClassNotFoundException e) {
23             // TODO: handle exception
24             e.printStackTrace();
25         }
26 
27         try {
28 
29             Conn = DriverManager.getConnection(URL,UserName,Password);
30             System.out.println("杩炴帴鏁版嵁搴撴垚鍔�!!!");
31 
32             //return Conn;
33 
34         } catch (SQLException e) {
35             // TODO: handle exception
36             e.printStackTrace();
37         }
38         return Conn;
39     }
40     public static void main(String[] args)throws SQLException {  
41         Connection conn = getConnection();
42         PreparedStatement pstmt = null;
43         ResultSet rs = null;
44         String sql ="select * from user";
45         pstmt = conn.prepareStatement(sql);
46         rs = pstmt.executeQuery();
47         System.out.println(getConnection());
48         while(rs.next()){
49             System.out.println("绌�");
50         }
51 
52         }
53 
54 }

package servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

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 javax.servlet.http.HttpSession;

import dao.UserDao;
import service.User;
import util.DBUtil;

/**
 * Servlet implementation class Rservlet
 */
@WebServlet("/Rservlet")
public class Rservlet extends HttpServlet {
    private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public Rservlet() {
        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.getWriter().append("Served at: ").append(request.getContextPath());
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        request.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charset=UTF-8");
        String username = request.getParameter("username");
        String password = request.getParameter("password");
        String sex = request.getParameter("sex");
        String name = request.getParameter("name");
        String stunumber= request.getParameter("stunumber");
        String email = request.getParameter("email");
        String academy = request.getParameter("academy");
        String department = request.getParameter("department");
        String classx = request.getParameter("classx");
        String timeschool = request.getParameter("timeschool");
        String stuplace = request.getParameter("stuplace");
        String remark = request.getParameter("remark");
        System.out.println(username);
        System.out.println(password);  
        Pattern p = null;
        Pattern s = null;
        Pattern t = null;
        Pattern stunum=null;
        Matcher m = null;
        Matcher n = null;
        Matcher y = null;
        Matcher snum=null;
        boolean dnum=false;
        boolean b = false;
        boolean c = false;
        boolean u = false;
        stunum=Pattern.compile("2018[0-9]{4}");
        snum=stunum.matcher(stunumber);
        dnum=snum.matches();
        p = Pattern.compile("^[A-Za-z0-9]{8,}$"); 
        m = p.matcher(password);
        b = m.matches();
        s= Pattern.compile("^[A-Za-z][A-Za-z0-9]{5,11}$") ;
        n = s.matcher(username);
        c =n.matches();
        t= Pattern.compile("^[A-Za-z0-9\\u4e00-\\u9fa5]+@[a-zA-Z0-9_-]+(\\.[a-zA-Z0-9_-]+)+$") ;
        y = t.matcher(email);
        u =y.matches();
        if(!c){
        PrintWriter out = response.getWriter();
        out.print("<script>alert('用户名错误!');window.history.go(-1)</script>");
    }else if(!b) {
        PrintWriter out = response.getWriter();
        out.print("<script>alert('密码格式错误!');window.history.go(-1)</script>");
    }else if(!dnum)
    {
        PrintWriter out = response.getWriter();
        out.print("<script>alert('学号格式错误!');window.history.go(-1)</script>");
    }
    else if(!u){
        PrintWriter out = response.getWriter();
        out.print("<script>alert('电子邮箱格式错误!');window.history.go(-1)</script>");
    }else
    {
        Connection conn = DBUtil.getConnection();
        Statement state = null;        
        String sql="select username from user where username='"+username+"'";
        try {
            state = conn.createStatement();
            ResultSet a= state.executeQuery(sql);
            if(a.next()) 
            {
                PrintWriter out = response.getWriter();
                out.println("<script>alert('用户名重复!');</script>");
                out.println("<script>window.history.go(-1)</script>");    
            }else
            {
                User us=new User();
                us.setPassword(password);
                us.setUsername(username);
                us.setSex(sex);
                us.setName(name);
                us.setStunumber(stunumber);
                us.setEmail(email);
                us.setAcademy(academy);
                us.setDepartment(department);
                us.setClassx(classx);
                us.setTimeshool(timeschool);
                us.setStuplace(stuplace);
                us.setRemark(remark);
                UserDao user = new UserDao();
                user.addu(us);
                PrintWriter out = response.getWriter();
                out.println("<script>alert('添加成功!');</script>");
                //out.println("<script>window.history.go(-1)</script>");
                request.getRequestDispatcher("Register.jsp").forward(request, response);
            }
        }catch(Exception e) {
            e.printStackTrace();
        } 
   }
    }
    }

 1 package service;
 2 
 3 public class User {
 4 private String username;
 5 private String password;
 6 private String sex;
 7 private String name;
 8 private String stunumber;
 9 private String email;
10 private String academy;
11 private String department;
12 private String classx;
13 private String timeschool;
14 private String stuplace;
15 private String remark;
16 
17 public String getRemark() {
18     return remark;
19 }
20 public void setRemark(String remark) {
21     this.remark = remark;
22 }
23 public String getTimeschool() {
24     return timeschool;
25 }
26 public void setTimeshool(String timeshool) {
27     this.timeschool = timeshool;
28 }
29 public String getClassx() {
30     return classx;
31 }
32 public void setClassx(String classx) {
33     this.classx = classx;
34 }
35 public String getDepartment() {
36     return department;
37 }
38 public void setDepartment(String department) {
39     this.department = department;
40 }
41 public String getAcademy() {
42     return academy;
43 }
44 public void setAcademy(String academy) {
45     this.academy = academy;
46 }
47 public String getUsername() {
48     return username;
49 }
50 public void setUsername(String username) {
51     this.username = username;
52 }
53 public String getPassword() {
54     return password;
55 }
56 public void setPassword(String password) {
57     this.password = password;
58 }
59 public String getName() {
60     return name;
61 }
62 public void setName(String name) {
63     this.name = name;
64 }
65 public String getSex() {
66     return sex;
67 }
68 public void setSex(String sex) {
69     this.sex = sex;
70 }
71 public String getStunumber() {
72     return stunumber;
73 }
74 public void setStunumber(String stunumber) {
75     this.stunumber = stunumber;
76 }
77 public String getStuplace() {
78     return stuplace;
79 }
80 public void setStuplace(String stuplace) {
81     this.stuplace = stuplace;
82 }
83 public String getEmail() {
84     return email;
85 }
86 public void setEmail(String email) {
87     this.email = email;
88 }
89 }

JAVAWEB-注册页面设计

猜你喜欢