java intellij-idea mysql 找回密码

}

#head{

background: #eeeeee;height: 80px;

}

#headLink{

font-size: 20px;

}

#headWelLink{

font-size: 20px;

}

<%–头部信息–%>

User user =(User)session.getAttribute(“user”);

if(user == null){

response.sendRedirect(“login.jsp”);

}else {

欢迎您：<%=user.getName()%>

我的购物车

安全退出

}

<%–图书信息–%>

Book book = new Book();

BookServiceImpl service = new BookServiceImpl();

List list = service.select(book);

图书列表

返回上一级

编号书名价格作者封皮出版社

String bg = null;

for (int i = 0;i

Book b =list.get(i);

if(i%2 == 0){

bg = “pink”;

}else{

bg = “yellow”;

}

%> <%=b.getBookid()%>

<%=b.getBookname()%> <%=b.getPrice() %> <%=b.getAuthor() %> <%=b.getPicture() %> <%=b.getPublish() %>

}

cart.jsp

<%–

Created by IntelliJ IDEA.

User: shuijianshiqing

Date: 2020/5/31

Time: 10:45

To change this template use File | Settings | File Templates.

–%>

<%@ page contentType=“text/html;charset=UTF-8” language=“java” %>

<%@ page import=“com.sjsq.po.User” %>

<%@ page import=“com.sjsq.po.Card” %>

<%@ page import=“com.sjsq.service.CardService” %>

<%@ page import=“com.sjsq.service.impl.CardServiceImpl” %>

<%@ page import=“java.util.List” %>

<%@ page import=“com.sjsq.dao.BookDao” %>

<%@ page import=“com.sjsq.dao.impl.BookDaoImpl” %>

购物车信息

<%–头部信息–%>

User user =(User)session.getAttribute(“user”);

if(user == null){

response.sendRedirect(“login.jsp”);

}else {

欢迎您：<%=user.getName()%>

我的购物车

安全退出

}

<%–图书信息–%>

CardService service = new CardServiceImpl();

List list = service.getCard(user.getId());

BookDao dao = new BookDaoImpl();

Double totalPrice = 0D;

Double bookPrice = 0D;

购物车图书

返回上一级

姓名图书序号书名数量价格小计

for (int i = 0;i

Card card = list.get(i);

String bookName = dao.getBook(card.getBookid()).getBookname();

bookPrice = dao.getBook(card.getBookid()).getPrice()*card.getBooknum();

totalPrice = bookPrice + totalPrice;

%> <%=card.getUsername() %> <%=card.getBookid() %> <%=bookName %> <%=card.getBooknum() %> <%=bookPrice%>

}

%> 价格总计 <%=totalPrice %>

继续购买图书

登陆页面

detail.jsp

<%–

Created by IntelliJ IDEA.

User: shuijianshiqing

Date: 2020/5/24

Time: 10:51

To change this template use File | Settings | File Templates.

–%>

<%@ page contentType=“text/html;charset=UTF-8” language=“java” pageEncoding=“UTF-8” %>

<%@ page import=“com.sjsq.po.Book” %>

<%@ page import=“com.sjsq.po.User” %>

// 获取绝对路径路径 ,开发项目一定要使用绝对路径，不然肯定出错

String path = request.getContextPath();

String basePath = request.getScheme() + “/” + request.getServerName() + “:”

request.getServerPort() + path + “/”;

图书详情

<%–头部信息–%>

User user =(User)session.getAttribute(“user”);

if(user == null){

response.sendRedirect(“login.jsp”);

}else {

欢迎您：<%=user.getName()%>

我的购物车

安全退出

}

图书详情

返回上一级

Book book = (Book)session.getAttribute(“book”);

图书编号图书名称图书价格图书作者图书封皮图书出版社 <%=book.getBookid()%> <%=book.getBookname()%> <%=book.getPrice()%> <%=book.getAuthor()%> <%=book.getPicture()%> <%=book.getPublish()%>

添加到购物车

图书列表

doCart.jsp

<%–

Created by IntelliJ IDEA.

User: shuijianshiqing

Date: 2020/5/31

Time: 10:40

To change this template use File | Settings | File Templates.

–%>

<%@ page contentType=“text/html;charset=UTF-8” language=“java” pageEncoding=“UTF-8” %>

<%@ page import=“com.sjsq.po.Book” %>

<%@ page import=“com.sjsq.po.User” %>

<%@ page import=“com.sjsq.service.CardService” %>

<%@ page import=“com.sjsq.service.impl.CardServiceImpl” %>

处理购物车

<%-- 处理购物车 --%>

// 获取用户的信息

User user =(User)session.getAttribute(“user”);

// 获取书籍的信息

Book book = (Book)session.getAttribute(“book”);

// 定义购物车服务

CardService service = new CardServiceImpl();

// 获取图书数量且加1

Integer booknum = service.getBookNum(book) + 1;

// 执行添加购物车操作

boolean flag = service.addCard(user,book,booknum);

if(flag){

// 添加成功返回到购物车页面

response.sendRedirect(“cart.jsp”);

}else{

response.sendRedirect(“doCartFail.jsp”);

}

doCartFail.jsp

<%–

Created by IntelliJ IDEA.

User: shuijianshiqing

Date: 2020/5/31

Time: 11:45

To change this template use File | Settings | File Templates.

–%>

<%@ page contentType=“text/html;charset=UTF-8” language=“java” %>

添加失败

添加购物车失败

请重新添加

返回上一级

doInfo.jsp

<%–

Created by IntelliJ IDEA.

User: shuijianshiqing

Date: 2020/5/24

Time: 10:51

To change this template use File | Settings | File Templates.

–%>

<%@ page contentType=“text/html;charset=UTF-8” language=“java” pageEncoding=“UTF-8” %>

<%@ page import=“com.sjsq.po.Book” %>

<%@ page import=“com.sjsq.service.BookService” %>

<%@ page import=“com.sjsq.service.impl.BookServiceImpl” %>

// 获取绝对路径路径 ,开发项目一定要使用绝对路径，不然肯定出错

String path = request.getContextPath();

String basePath = request.getScheme() + “/” + request.getServerName() + “:”

request.getServerPort() + path + “/”;

书籍信息

Book book = new Book();

String sid = request.getParameter(“bookid”);

Integer id = Integer.parseInt(sid);

BookService service = new BookServiceImpl();

book.setBookid(id);

Book bookCur = service.getBook(book);

// 控制台打印出类的信息（日志的前身）

System.out.print(“doInfo.jsp的信息–>”);

System.out.println(bookCur);

session.setAttribute(“book”, bookCur);

response.sendRedirect(“detail.jsp”);

doregister.jsp

<%–

Created by IntelliJ IDEA.

User: shuijianshiqing

Date: 2020/5/21

Time: 23:45

To change this template use File | Settings | File Templates.

–%>

<%@page import=“com.sjsq.dao.impl.UserDaoImpl”%>

<%@page import=“com.sjsq.dao.UserDao”%>

<%@page import=“com.sjsq.po.User”%>

<%@ page contentType=“text/html;charset=UTF-8” language=“java” pageEncoding=“UTF-8”%>

处理注册

// 设置获取注册时的编码为UTF-8

request.setCharacterEncoding(“UTF-8”);

User user=new User();

//获取register.jsp页面提交的账号和密码

String name=request.getParameter(“name”);

String password=request.getParameter(“password”);

String email=request.getParameter(“email”);

String phone=request.getParameter(“phone”);

//获取register.jsp页面提交的账号和密码设置到实体类User中

user.setName(name);

user.setPassword(password);

user.setEmail(email);

user.setPhone(phone);

//引入数据交互层

UserDao dao=new UserDaoImpl();

boolean flag=dao.register(user);

if(flag){

response.sendRedirect(“login.jsp”);

}else{

response.sendRedirect(“register.jsp”);

}

dosearchPassword.jsp

<%–

Created by IntelliJ IDEA.

User: shuijianshiqing

Date: 2020/5/22

Time: 23:23

To change this template use File | Settings | File Templates.

–%>

<%@page import=“java.util.List”%>

<%@page import=“com.sjsq.service.impl.UserServiceImpl”%>

<%@page import=“com.sjsq.po.User”%>

<%@ page contentType=“text/html;charset=UTF-8” language=“java” pageEncoding=“UTF-8” %>

// 获取绝对路径路径 ,开发项目一定要使用绝对路径，不然肯定出错

String path = request.getContextPath();

String basePath = request.getScheme() + “/” + request.getServerName() + “:”

request.getServerPort() + path + “/”;

处理找回密码

User user=new User();

//获取searchPassword.jsp页面提交的账号和密码

String name=request.getParameter(“name”);

user.setName(name);

UserServiceImpl service=new UserServiceImpl();

List list=service.selectUser(user);

request.setAttribute(“list”, list);

for(User u:list){

request.setAttribute(“user”, u);

out.print(u);

}

if(user!=null){

//response.sendRedirect(“search.jsp”);//不传输数据的转发

request.getRequestDispatcher(“search.jsp”).forward(request, response);

}

fail.jsp

<%–

Created by IntelliJ IDEA.

User: shuijianshiqing

Date: 2020/5/26

Time: 23:14

To change this template use File | Settings | File Templates.

–%>

<%@ page contentType=“text/html;charset=UTF-8” language=“java” %>

登录失败

现存图书列表

登录失败

返回登录

info.jsp

<%–

Created by IntelliJ IDEA.

User: shuijianshiqing

Date: 2020/5/26

Time: 22:56

To change this template use File | Settings | File Templates.

–%>

<%@ page contentType=“text/html;charset=UTF-8” language=“java” pageEncoding=“UTF-8” %>

<%@ page import=“com.sjsq.po.User”%>

<%@ page import=“com.sjsq.dao.UserDao”%>

<%@ page import=“com.sjsq.dao.impl.UserDaoImpl”%>

<%@ page import=“com.sjsq.service.UserService” %>

<%@ page import=“com.sjsq.service.impl.UserServiceImpl” %>

<%@ page import=“java.util.List” %>

// 获取绝对路径路径 ,开发项目一定要使用绝对路径，不然肯定出错

String path = request.getContextPath();

String basePath = request.getScheme() + “/” + request.getServerName() + “:”

request.getServerPort() + path + “/”;

用户登录

现存图书列表

---装饰中---

// 设置接收的编码为UTF-8

request.setCharacterEncoding(“utf-8”);

User user = new User();

UserDao dao = new UserDaoImpl();

String name = request.getParameter(“name”);

String password=request.getParameter(“password”);

user.setName(name);

user.setPassword(password);

User us=dao.login(user);

// 把数据库里面的User获取出来

UserService service = new UserServiceImpl();

List list = service.selectUser(user);

for(int i=0;i

user = list.get(i);

}

System.out.println(“显示用户信息：”);

System.out.println(user);

session.setAttribute(“user”,user);

if(us != null){

response.sendRedirect(“book.jsp”);

}else{

response.sendRedirect(“fail.jsp”);

}

<%–

Created by IntelliJ IDEA.

User: shuijianshiqing

Date: 2020/5/19

Time: 22:44

To change this template use File | Settings | File Templates.

–%>

<%@ page contentType=“text/html;charset=UTF-8” language=“java” pageEncoding=“UTF-8” %>

// 获取绝对路径路径 ,开发项目一定要使用绝对路径，不然肯定出错

String path = request.getContextPath();

String basePath = request.getScheme() + “/” + request.getServerName() + “:”

request.getServerPort() + path + “/”;

用户登录

---正在美化中---

账号：密码：

找回密码

logout.jsp

<%–

Created by IntelliJ IDEA.

User: shuijianshiqing

Date: 2020/5/25

Time: 21:51

To change this template use File | Settings | File Templates.

–%>

<%@ page contentType=“text/html;charset=UTF-8” language=“java” pageEncoding=“UTF-8” %>

退出登录

session.invalidate();

response.sendRedirect(“login.jsp”);

<%–

Created by IntelliJ IDEA.

User: shuijianshiqing

Date: 2020/5/21

Time: 23:14

To change this template use File | Settings | File Templates.

–%>

<%@ page language=“java” contentType=“text/html; charset=UTF-8” pageEncoding=“UTF-8” %>

用户注册

---装饰中---

您的账号：

您的密码：

确认密码：

电话号码：

电子邮件：

重置

search.jsp

<%–

Created by IntelliJ IDEA.

User: shuijianshiqing

Date: 2020/5/22

Time: 23:28

To change this template use File | Settings | File Templates.

–%>

<%@ page contentType=“text/html;charset=UTF-8” language=“java” pageEncoding=“UTF-8” %>

// 获取绝对路径路径 ,开发项目一定要使用绝对路径，不然肯定出错

String path = request.getContextPath();

String basePath = request.getScheme() + “/” + request.getServerName() + “:”

request.getServerPort() + path + “/”;

弹出信息

您的密码是：${user.password}

返回上一级

searchPassword.jsp

<%–

Created by IntelliJ IDEA.

User: shuijianshiqing

Date: 2020/5/22

Time: 23:14

To change this template use File | Settings | File Templates.

–%>

<%@ page contentType=“text/html;charset=UTF-8” language=“java” pageEncoding=“UTF-8” %>

// 获取绝对路径路径 ,开发项目一定要使用绝对路径，不然肯定出错

String path = request.getContextPath();

String basePath = request.getScheme() + “/” + request.getServerName() + “:”

request.getServerPort() + path + “/”;

找回密码

返回上一级

请输入账号：

2.后端

Book

package com.sjsq.po;

import java.io.Serializable;

/**

@author shuijianshiqing @date 2020/5/19 22:40

public class Book implements Serializable {

private static final long serialVersionUID = 1L;

private Integer bookid;

private String bookname;

private Double price;

private String author;

private String picture;

private String publish;

public static long getSerialVersionUID() {

return serialVersionUID;

}

public Integer getBookid() {

return bookid;

}

public void setBookid(Integer bookid) {

this.bookid = bookid;

}

public String getBookname() {

return bookname;

}

public void setBookname(String bookname) {

this.bookname = bookname;

}

public Double getPrice() {

return price;

}

public void setPrice(Double price) {

this.price = price;

}

public String getAuthor() {

return author;

}

public void setAuthor(String author) {

this.author = author;

}

public String getPicture() {

return picture;

}

public void setPicture(String picture) {

this.picture = picture;

}

public String getPublish() {

return publish;

}

public void setPublish(String publish) {

this.publish = publish;

}

@Override

public String toString() {

return “Book{” +

“bookid=” + bookid +

“, bookname='” + bookname + ‘’’ +

“, price=” + price +

“, author='” + author + ‘’’ +

“, picture='” + picture + ‘’’ +

“, publish='” + publish + ‘’’ +

‘}’;

}

Card

package com.sjsq.po;

/**

@author shuijianshiqing @date 2020/5/29 19:34

public class Card {

// 主键

private Integer id;

// 用户Id

private Integer userid;

// 用户名

private String username;

// 书名

private Integer bookid;

// 书本的数量

private int booknum;

public Integer getId() {

return id;

}

public void setId(Integer id) {

this.id = id;

}

public Integer getUserid() {

return userid;

}

public void setUserid(Integer userid) {

this.userid = userid;

}

public String getUsername() {

return username;

}

public void setUsername(String username) {

this.username = username;

}

public Integer getBookid() {

return bookid;

}

public void setBookid(Integer bookid) {

this.bookid = bookid;

}

public int getBooknum() {

return booknum;

}

public void setBooknum(int booknum) {

this.booknum = booknum;

}

@Override

public String toString() {

return “Card{” +

“id=” + id +

“, userid=” + userid +

“, username='” + username + ‘’’ +

“, bookid=” + bookid +

“, booknum=” + booknum +

‘}’;

}

User

package com.sjsq.po;

import java.io.Serializable;

/**

@author shuijianshiqing @date 2020/5/19 22:19 用户的实体类

public class User implements Serializable {

// 增加序列号,作用是反序列化的时候不会报错，切能进行IO的持久化

public static final long serialVersionUID = 1L;

private Integer id;

private String name;

private String password;

private String email;

private String phone;

public static long getSerialVersionUID() {

return serialVersionUID;

}

public Integer getId() {

return id;

}

public void setId(Integer id) {

this.id = id;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public String getPassword() {

return password;

}

public void setPassword(String password) {

this.password = password;

}

public String getEmail() {

return email;

}

public void setEmail(String email) {

this.email = email;

}

public String getPhone() {

return phone;

}

public void setPhone(String phone) {

this.phone = phone;

}

@Override

public String toString() {

return “User{” +

“id=” + id +

“, name='” + name + ‘’’ +

“, password='” + password + ‘’’ +

“, email='” + email + ‘’’ +

“, phone='” + phone + ‘’’ +

‘}’;

}

BookDao

package com.sjsq.dao;

import com.sjsq.po.Book;

import java.util.List;

/**

@author shuijianshiqing @date 2020/5/20 23:13 图书信息接口

public interface BookDao {

/**

查询图书信息 @param sql @param arr @return

public List select(String sql,Object[] arr);

/**

根据图书编号进行查询 @param id @return

public Book getBook(Integer id);

}

CardDao

package com.sjsq.dao;

import com.sjsq.po.Book;

import com.sjsq.po.Card;

import com.sjsq.po.User;

import java.util.List;

/**

@author shuijianshiqing @date 2020/5/29 19:42

public interface CardDao {

/**

通过用户Id获取用户的购物车 @param id @return

public List getCard(Integer id);

/**

添加用户信息和图书信息到用户的购物车 @param user @param book @param booknum @return

public boolean addCard(User user, Book book,Integer booknum);

/**

使用Book来获取booknum @param book @return

public Integer getBookNum(Book book);

}

UserDao

package com.sjsq.dao;

import com.sjsq.po.User;

import java.util.List;

/**

@author shuijianshiqing @date 2020/5/20 22:10 创建一个接口用于声明用户登录注册的方法

public interface UserDao {

/**

用户登录 @param user @return

public User login(User user);

/**

用户注册 @param user @return

public boolean register(User user);

/**

查询用户信息 @param sql @param arr @return

public List selectUser(String sql,Object arr[]);

}

BookService

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phone=‘" + phone + ‘’’ +

‘}’;

}

BookDao

package com.sjsq.dao;

import com.sjsq.po.Book;

import java.util.List;

/**

@author shuijianshiqing @date 2020/5/20 23:13 图书信息接口

public interface BookDao {

/**

查询图书信息 @param sql @param arr @return

public List select(String sql,Object[] arr);

/**

根据图书编号进行查询 @param id @return

public Book getBook(Integer id);

}

CardDao

package com.sjsq.dao;

import com.sjsq.po.Book;

import com.sjsq.po.Card;

import com.sjsq.po.User;

import java.util.List;

/**

@author shuijianshiqing @date 2020/5/29 19:42

public interface CardDao {

/**

通过用户Id获取用户的购物车 @param id @return

public List getCard(Integer id);

/**

添加用户信息和图书信息到用户的购物车 @param user @param book @param booknum @return

public boolean addCard(User user, Book book,Integer booknum);

/**

使用Book来获取booknum @param book @return

public Integer getBookNum(Book book);

}

UserDao

package com.sjsq.dao;

import com.sjsq.po.User;

import java.util.List;

/**

@author shuijianshiqing @date 2020/5/20 22:10 创建一个接口用于声明用户登录注册的方法

public interface UserDao {

/**

用户登录 @param user @return

public User login(User user);

/**

用户注册 @param user @return

public boolean register(User user);

/**

查询用户信息 @param sql @param arr @return

public List selectUser(String sql,Object arr[]);

}

BookService

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金钥匙

java intellij-idea mysql 找回密码

spring boot 后端 大公司为什么禁止SpringBoot项目使用Tomcat？

Nginx反向代理联动Tomcat实现多实例部署、动静分离、负载均衡

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spring boot 后端大公司为什么禁止SpringBoot项目使用Tomcat？