User.java
资源名称:Shopping.rar [点击查看]
上传用户:lsj999sz
上传日期:2022-06-15
资源大小:4717k
文件大小:7k
源码类别:
ICQ/即时通讯
开发平台:
Java
- package com.bjsxt.shopping.user;
- import java.sql.Connection;
- import java.sql.PreparedStatement;
- import java.sql.ResultSet;
- import java.sql.SQLException;
- import java.sql.Statement;
- import java.sql.Timestamp;
- import java.util.ArrayList;
- import java.util.Date;
- import java.util.List;
- import com.bjsxt.shopping.client.Cart;
- import com.bjsxt.shopping.client.CartItem;
- import com.bjsxt.shopping.order.OrderMgr;
- import com.bjsxt.shopping.order.SalesItem;
- import com.bjsxt.shopping.order.SalesOrder;
- import com.bjsxt.shopping.util.DB;
- public class User {
- private int id;
- private String username;
- private String password;
- private String phone;
- private String addr;
- private Date rdate;
- public String getAddr() {
- return addr;
- }
- public void setAddr(String addr) {
- this.addr = addr;
- }
- public int getId() {
- return id;
- }
- public void setId(int id) {
- this.id = id;
- }
- public String getPassword() {
- return password;
- }
- public void setPassword(String password) {
- this.password = password;
- }
- public String getPhone() {
- return phone;
- }
- public void setPhone(String phone) {
- this.phone = phone;
- }
- public Date getRdate() {
- return rdate;
- }
- public void setRdate(Date rdate) {
- this.rdate = rdate;
- }
- public String getUsername() {
- return username;
- }
- public void setUsername(String username) {
- this.username = username;
- }
- public void save() {
- Connection conn = DB.getConn();
- String sql = "insert into user values (null, ?, ?, ?, ?, ?)";
- PreparedStatement pstmt = DB.prepare(conn, sql);
- try {
- pstmt.setString(1, username);
- pstmt.setString(2, password);
- pstmt.setString(3, phone);
- pstmt.setString(4, addr);
- pstmt.setTimestamp(5, new Timestamp(rdate.getTime()));
- pstmt.executeUpdate();
- } catch (SQLException e) {
- e.printStackTrace();
- } finally {
- DB.close(pstmt);
- DB.close(conn);
- }
- }
- public static List<User> getUsers() {
- List<User> users = new ArrayList<User>();
- Connection conn = DB.getConn();
- String sql = "select * from user";
- Statement stmt = DB.getStatement(conn);
- ResultSet rs = DB.getResultSet(stmt, sql);
- try {
- while (rs.next()) {
- User u = new User();
- u.setId(rs.getInt("id"));
- u.setUsername(rs.getString("username"));
- u.setPassword(rs.getString("password"));
- u.setPhone(rs.getString("phone"));
- u.setAddr(rs.getString("addr"));
- u.setRdate(rs.getTimestamp("rdate"));
- users.add(u);
- }
- } catch (SQLException e) {
- e.printStackTrace();
- } finally {
- DB.close(rs);
- DB.close(stmt);
- DB.close(conn);
- }
- return users;
- }
- /**
- *
- * @param users
- * @param pageNo
- * @param pageSize
- * @return 总共有多少条记录
- */
- public static int getUsers(List<User> users, int pageNo, int pageSize) {
- int totalRecords = -1;
- Connection conn = DB.getConn();
- String sql = "select * from user limit " + (pageNo - 1) * pageSize
- + "," + pageSize;
- Statement stmt = DB.getStatement(conn);
- ResultSet rs = DB.getResultSet(stmt, sql);
- Statement stmtCount = DB.getStatement(conn);
- ResultSet rsCount = DB.getResultSet(stmtCount,
- "select count(*) from user");
- try {
- rsCount.next();
- totalRecords = rsCount.getInt(1);
- while (rs.next()) {
- User u = new User();
- u.setId(rs.getInt("id"));
- u.setUsername(rs.getString("username"));
- u.setPassword(rs.getString("password"));
- u.setPhone(rs.getString("phone"));
- u.setAddr(rs.getString("addr"));
- u.setRdate(rs.getTimestamp("rdate"));
- users.add(u);
- }
- } catch (SQLException e) {
- e.printStackTrace();
- } finally {
- DB.close(rsCount);
- DB.close(stmtCount);
- DB.close(rs);
- DB.close(stmt);
- DB.close(conn);
- }
- return totalRecords;
- }
- public static boolean delete(int id) {
- boolean b = false;
- Connection conn = DB.getConn();
- String sql = "delete from user where id = " + id;
- Statement stmt = DB.getStatement(conn);
- try {
- DB.executeUpdate(stmt, sql);
- b = true;
- } finally {
- DB.close(stmt);
- DB.close(conn);
- }
- return b;
- }
- public static User check(String username, String password)
- throws UserNotFoundException, PasswordNotCorrectException {
- User u = null;
- Connection conn = DB.getConn();
- String sql = "select * from user where username = '" + username + "'";
- Statement stmt = DB.getStatement(conn);
- ResultSet rs = DB.getResultSet(stmt, sql);
- try {
- if(!rs.next()) {
- throw new UserNotFoundException("用户不存在:" + username);
- } else {
- if(!password.equals(rs.getString("password"))) {
- throw new PasswordNotCorrectException("密码不正确哦!");
- }
- u = new User();
- u.setId(rs.getInt("id"));
- u.setUsername(rs.getString("username"));
- u.setPassword(rs.getString("password"));
- u.setPhone(rs.getString("phone"));
- u.setAddr(rs.getString("addr"));
- u.setRdate(rs.getTimestamp("rdate"));
- }
- } catch (SQLException e) {
- e.printStackTrace();
- } finally {
- DB.close(rs);
- DB.close(stmt);
- DB.close(conn);
- }
- return u;
- }
- public static void update(User u) {
- u.update();
- }
- public void updatePassword() {
- }
- public static void updatePassword(User u) {
- u.updatePassword();
- }
- public static void updatePassword(int userId, String newPassword) {
- }
- public void update() {
- Connection conn = DB.getConn();
- String sql = "update user set phone = ?, addr = ? where id = ?";
- PreparedStatement pstmt = DB.prepare(conn, sql);
- try {
- pstmt.setString(1, phone);
- pstmt.setString(2, addr);
- pstmt.setInt(3, id);
- pstmt.executeUpdate();
- } catch (SQLException e) {
- e.printStackTrace();
- } finally {
- DB.close(pstmt);
- DB.close(conn);
- }
- }
- public static void main(String[] args) {
- List<User> users = new ArrayList<User>();
- int totalRecords = User.getUsers(users, 1, 10);
- for (int i = 0; i < users.size(); i++) {
- }
- }
- public int buy(Cart c) {
- SalesOrder so = new SalesOrder();
- so.setUser(this);
- so.setAddr(this.getAddr());
- so.setStatus(0);
- so.setODate(new Date());
- List<SalesItem> salesItems = new ArrayList<SalesItem>();
- List<CartItem> cartItems = c.getItems();
- for(int i=0; i<cartItems.size(); i++) {
- SalesItem si = new SalesItem();
- CartItem ci = cartItems.get(i);
- si.setProduct(ci.getProduct());
- si.setCount(ci.getCount());
- si.setUnitPrice(ci.getProduct().getMemberPrice());
- salesItems.add(si);
- }
- so.setItems(salesItems);
- return OrderMgr.getInstance().add(so);
- }
- }