jsp servlet mysql网上书店
时间: 2023-04-29 18:02:46 浏览: 58
JSP和Servlet是Java Web开发中的两个重要技术,可以用来开发动态网站。MySQL是一种流行的关系型数据库管理系统。网上书店是一种在线销售图书的电子商务网站,可以使用JSP和Servlet来实现网站的动态功能,同时使用MySQL来存储和管理网站的数据。
相关问题
动态网站( jsp + servlet + mysql 数据库)网上书店,完成用户登录、注册、退出(10分) 完成查看个人信息、修改密码、查询所有使用信息(10分)完成权限角色问题(30分)网上书店要由购买的记录,追踪,留言,在线阅读(30分)
这是一个比较复杂的动态网站需求,需要涉及到多个模块和功能。下面是一个简单的实现思路,供参考。
1. 用户登录、注册、退出
用户可以通过网站首页进入登录界面,输入用户名和密码进行登录,如果没有账号可以点击注册按钮跳转到注册页面进行注册。登录成功后,用户可以在个人中心查看自己的个人信息、修改密码,也可以退出登录。
2. 查看个人信息、修改密码、查询所有用户信息
用户登录后,可以在个人中心查看自己的个人信息,包括用户名、邮箱、联系电话等。用户还可以通过个人中心修改自己的密码。管理员可以查看所有用户信息,并进行修改或删除操作。
3. 权限角色问题
网站需要区分用户和管理员两种角色,管理员可以查看所有用户信息,并进行修改或删除操作。普通用户只能查看自己的个人信息和购买记录。可以通过JavaEE技术中的Filter或Interceptor等技术来实现权限控制。
4. 网上书店购买记录、追踪、留言、在线阅读
网上书店需要实现购买记录的功能,用户可以在购买页面选择商品进行购买,并查看自己的购买记录。网站还需要实现订单追踪功能,用户可以通过订单号查询订单状态。用户还可以在网站中留言,与其他用户进行交流。网站还可以提供在线阅读功能,用户可以在线阅读电子书籍。
以上是一个简单的实现思路,具体实现过程中需要涉及到多种技术和工具,包括JSP、Servlet、MySQL、HTML、CSS、Javascript等。同时,还需要考虑网站的安全性、性能等问题,保证网站的稳定运行。
基于javaweb的网上书城管理系统登陆、注册首页相关Servlet代码
1. 登陆相关Servlet代码:
```java
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.*;
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;
@WebServlet("/LoginServlet")
public class LoginServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html; charset=UTF-8");
PrintWriter out = response.getWriter();
String username = request.getParameter("username");
String password = request.getParameter("password");
HttpSession session = request.getSession();
Connection conn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
try {
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/bookstore?useSSL=false", "root", "123456");
String sql = "select * from user where username=? and password=?";
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, username);
pstmt.setString(2, password);
rs = pstmt.executeQuery();
if (rs.next()) {
session.setAttribute("username", username);
response.sendRedirect("index.jsp");
} else {
out.println("<script>alert('用户名或密码错误!'); window.location.href='login.jsp'</script>");
}
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
} finally {
try {
if (rs != null) rs.close();
if (pstmt != null) pstmt.close();
if (conn != null) conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}
```
2. 注册相关Servlet代码:
```java
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.*;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet("/RegisterServlet")
public class RegisterServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html; charset=UTF-8");
PrintWriter out = response.getWriter();
String username = request.getParameter("username");
String password = request.getParameter("password");
String repassword = request.getParameter("repassword");
String email = request.getParameter("email");
Connection conn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
try {
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/bookstore?useSSL=false", "root", "123456");
String sql = "select * from user where username=?";
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, username);
rs = pstmt.executeQuery();
if (rs.next()) {
out.println("<script>alert('用户名已存在!'); window.location.href='register.jsp'</script>");
} else {
sql = "insert into user(username, password, email) values(?, ?, ?)";
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, username);
pstmt.setString(2, password);
pstmt.setString(3, email);
pstmt.executeUpdate();
out.println("<script>alert('注册成功!'); window.location.href='login.jsp'</script>");
}
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
} finally {
try {
if (rs != null) rs.close();
if (pstmt != null) pstmt.close();
if (conn != null) conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}
```
3. 首页相关Servlet代码:
```java
import java.io.IOException;
import java.sql.*;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet("/IndexServlet")
public class IndexServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html; charset=UTF-8");
Connection conn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
try {
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/bookstore?useSSL=false", "root", "123456");
String sql = "select * from book";
pstmt = conn.prepareStatement(sql);
rs = pstmt.executeQuery();
List<Book> list = new ArrayList<Book>();
while (rs.next()) {
Book book = new Book();
book.setId(rs.getInt("id"));
book.setName(rs.getString("name"));
book.setAuthor(rs.getString("author"));
book.setPrice(rs.getFloat("price"));
book.setDescription(rs.getString("description"));
book.setCategory(rs.getString("category"));
list.add(book);
}
request.setAttribute("bookList", list);
request.getRequestDispatcher("index.jsp").forward(request, response);
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
} finally {
try {
if (rs != null) rs.close();
if (pstmt != null) pstmt.close();
if (conn != null) conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}
```