diff --git a/后端/org/use/dao/UseDao.java b/后端/org/use/dao/UseDao.java
new file mode 100644
index 0000000..4ded77f
--- /dev/null
+++ b/后端/org/use/dao/UseDao.java
@@ -0,0 +1,112 @@
+package org.use.dao;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+
+import org.use.entity.Use;
+
+public class UseDao {
+ private final String URL="jdbc:mysql://localhost:3306/test";
+ private final String USERNAME ="root" ;
+ private final String PASSWORD ="123456" ;
+
+ public boolean isExist(String username) {
+ return queryUseByusername(username)==null? false:true ;
+ }
+
+ public boolean addUse(Use use) {
+ Connection connection = null;
+ PreparedStatement pstmt = null;
+ ResultSet rs= null;
+
+ try {
+ Class.forName("com.mysql.jdbc.Driver");
+ connection = DriverManager.getConnection(URL,USERNAME,PASSWORD );
+ String sql = "inset into use(username,password,phonenum,email) vaule(?,?,?,?) " ;
+ pstmt =connection.prepareStatement( sql);
+ pstmt.setString(1, use.getUsername() );
+ pstmt.setString(2, use.getPassword() );
+ pstmt.setInt(3, use.getPhonenum() );
+ pstmt.setString(4, use.getEmail() );
+ int count = pstmt.executeUpdate() ;
+ if(count>0)
+ return true;
+ else
+ return false;
+
+
+
+ } catch (ClassNotFoundException e) {
+ e.printStackTrace();
+ return false;
+ } catch (SQLException e) {
+ e.printStackTrace();
+ return false;
+ }catch (Exception e) {
+ e.printStackTrace();
+ return false;
+ }
+ finally {
+ try {
+ if(rs!=null)rs.close();
+ if(pstmt!=null)pstmt.close();
+ if(connection!=null)connection.close();
+ } catch (SQLException e) {
+ e.printStackTrace();
+ }
+
+
+ }
+ }
+
+
+ //查询
+ public Use queryUseByusername(String username) {
+ Use use= null;
+ Connection connection = null;
+ PreparedStatement pstmt = null;
+ ResultSet rs= null;
+
+ try {
+ Class.forName("com.mysql.jdbc.Driver");
+ connection = DriverManager.getConnection(URL,USERNAME,PASSWORD );
+ String sql = "select * from use where username = ? ";
+ pstmt =connection.prepareStatement( sql);
+ pstmt.setString(1, username);
+ rs = pstmt.executeQuery() ;
+ if(rs.next()) {
+ String uname= rs.getString("username");
+ String password= rs.getString("password");
+ int phonenum= rs.getInt("phonenum");
+ String email= rs.getString("email");
+ use = new Use(uname,password,phonenum,email);
+
+ }
+ return use;
+
+ } catch (ClassNotFoundException e) {
+ e.printStackTrace();
+ return null;
+ } catch (SQLException e) {
+ e.printStackTrace();
+ return null;
+ }catch (Exception e) {
+ e.printStackTrace();
+ return null;
+ }
+ finally {
+ try {
+ if(rs!=null)rs.close();
+ if(pstmt!=null)pstmt.close();
+ if(connection!=null)connection.close();
+ } catch (SQLException e) {
+ e.printStackTrace();
+ }
+
+
+ }
+ }
+}
diff --git a/后端/org/use/entity/Use.java b/后端/org/use/entity/Use.java
new file mode 100644
index 0000000..25739c5
--- /dev/null
+++ b/后端/org/use/entity/Use.java
@@ -0,0 +1,45 @@
+package org.use.entity;
+
+public class Use {
+ private String username;
+ private String password;
+ private int phonenum;
+ private String email;
+
+ public Use() {
+ }
+
+ public Use(String username, String password, int phonenum, String email) {
+ this.username = username;
+ this.password = password;
+ this.phonenum = phonenum;
+ this.email = email;
+ }
+ public String getUsername() {
+ return username;
+ }
+ public void setUsername(String username) {
+ this.username = username;
+ }
+ public String getPassword() {
+ return password;
+ }
+ public void setPassword(String password) {
+ this.password = password;
+ }
+ public int getPhonenum() {
+ return phonenum;
+ }
+ public void setPhonenum(int phonenum) {
+ this.phonenum = phonenum;
+ }
+ public String getEmail() {
+ return email;
+ }
+ public void setEmail(String email) {
+ this.email = email;
+ }
+
+
+
+}
diff --git a/后端/org/use/service/UseService.java b/后端/org/use/service/UseService.java
new file mode 100644
index 0000000..ad31992
--- /dev/null
+++ b/后端/org/use/service/UseService.java
@@ -0,0 +1,18 @@
+package org.use.service;
+
+import org.use.dao.UseDao;
+import org.use.entity.Use;
+
+public class UseService {
+ UseDao useDao = new UseDao();
+
+ public boolean regUse(Use use) {
+ if(!useDao.isExist(use.getUsername())) {
+ useDao.addUse(use);
+ return true;
+ }else {
+ System.out.println("此人已经存在!");
+ return false;
+ }
+ }
+}
\ No newline at end of file
diff --git a/后端/org/use/servlet/RegUseServlet.java b/后端/org/use/servlet/RegUseServlet.java
new file mode 100644
index 0000000..9c7e12a
--- /dev/null
+++ b/后端/org/use/servlet/RegUseServlet.java
@@ -0,0 +1,38 @@
+package org.use.servlet;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.use.entity.Use;
+import org.use.service.UseService;
+
+/**
+ * Servlet implementation class RegUseServlet
+ */
+public class RegUseServlet extends HttpServlet {
+ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+ String username= request.getParameter("username");
+ String password= request.getParameter("password");
+ int phonenum= Integer.parseInt(request.getParameter("phonenum"));
+ String email= request.getParameter("email");
+ Use use =new Use(username,password,phonenum,email);
+
+ UseService useService = new UseService();
+ boolean result = useService.regUse(use);
+ PrintWriter out = response.getWriter() ;
+ if(result) {
+ out.println("注册成功") ;
+ }else {
+ out.println("注册失败");
+ }
+ }
+ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+ doGet(request, response);
+ }
+
+}
diff --git a/后端/reg.jsp b/后端/reg.jsp
new file mode 100644
index 0000000..813dc07
--- /dev/null
+++ b/后端/reg.jsp
@@ -0,0 +1,68 @@
+<%@ page language="java" contentType="text/html; charset=UTF-8"
+ pageEncoding="UTF-8"%>
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ 已有账号，立即登录
+
+
+
\ No newline at end of file