• 总结学了 j2ee 一月半后的项目情况(2)


    源码: 韩顺平 j2ee myshopping(MODEL2)

    1、数据库链接和数据库CRUD类

     1 package fafa.shop.util;
     2 
     3 import java.sql.*;
     4 
     5 public class DBUtil {
     6     private static final String DBDRIVER = "org.gjt.mm.mysql.Driver" ;
     7     private static final String DBURL = "jdbc:mysql://localhost:3306/test" ;
     8     private static final String DBUSER = "root" ;
     9     private static final String DBPASS = "123456" ;
    10     
    11     private static Connection conn = null ;
    12     
    13     //外部取得连接
    14     public static Connection getConnection() throws Exception {
    15         Class.forName(DBDRIVER) ;
    16         conn = DriverManager.getConnection(DBURL, DBUSER, DBPASS) ;
    17         return conn ;
    18     }
    19     
    20     //关闭连接
    21     public static void close(ResultSet rs, Statement ps, Connection ct){
    22         try {
    23             if (rs!=null){
    24                 rs.close() ;
    25             }
    26         } catch (SQLException e) {
    27             e.printStackTrace();
    28         }
    29         try {
    30             if (ps!=null){
    31                 ps.close() ;
    32             }
    33         } catch (SQLException e) {
    34             e.printStackTrace();
    35         }
    36         try {
    37             if (ct!=null){
    38                 ct.close() ;
    39             }
    40         } catch (SQLException e) {
    41             e.printStackTrace();
    42         }
    43     }
    44 }
     1 package fafa.shop.util;
     2 
     3 import java.sql.*;
     4 import java.util.ArrayList;
     5 
     6 public class SqlHelper {
     7     
     8     private static Connection ct = null ;
     9     private static PreparedStatement ps = null ;
    10     private static ResultSet rs = null ;
    11     
    12     /**
    13      * 执行sql查询  返回结果集
    14      * @param sql
    15      * @param param
    16      * @return rs
    17      */
    18     public ResultSet executeQuery(String sql, String []param){
    19          try {
    20              //取得连接
    21              ct = DBUtil.getConnection() ;
    22              //sql预处理
    23              ps = ct.prepareStatement(sql) ;
    24              //如果参数存在,循环赋值
    25              if (param!=null && !param.equals("")){
    26                  for(int i=0; i<param.length; i++){
    27                      ps.setString(i+1, param[i]) ;
    28                  }
    29              }
    30              //执行sql
    31              rs = ps.executeQuery() ;
    32         } catch (Exception e) {    //异常抛出
    33             e.printStackTrace() ;
    34         }
    35          //返回结果集
    36          return rs ;
    37      }
    38      
    39     /**
    40      * 执行查询 返回集合
    41      * @param sql
    42      * @param param
    43      * @return all 集合
    44      */
    45      public ArrayList<Object> executeQuery1(String sql, String []param){
    46          //定义集合接收
    47          ArrayList<Object> all = new ArrayList<Object>() ;
    48          try {
    49              //取得连接
    50             ct = DBUtil.getConnection() ;
    51             //预处理
    52             ps = ct.prepareStatement(sql) ;
    53             //如果存在 循环赋值
    54             if (param!=null && !param.equals("")){
    55                 for(int i=0; i<param.length; i++){
    56                     ps.setString(i+1, param[i]) ;
    57                 }
    58             }
    59             //执行sql语句 取得结果集
    60             rs = ps.executeQuery() ;
    61             //取得字段列表
    62             ResultSetMetaData rsmd = rs.getMetaData() ;
    63             //取得字段数量
    64             int columnNum = rsmd.getColumnCount() ;
    65             //循环取值
    66             while(rs.next()){
    67                 Object []objects = new Object[columnNum] ;
    68                 for(int i=0; i<objects.length; i++){
    69                     objects[i] = rs.getObject(i+1) ;//返回对象数组
    70                 }
    71                 //循环加入集合
    72                 all.add(objects) ;
    73             }
    74         } catch (Exception e) {
    75             e.printStackTrace();
    76         }finally{
    77             //关闭连接
    78             DBUtil.close(rs, ps, ct) ;
    79         }
    80         //返回集合
    81         return all;
    82      }
    83 }

    2、用户需要登录 Servlet去接收并验证

     1 package fafa.shop.controller;
     2 
     3 import java.io.IOException;
     4 import java.util.ArrayList;
     5 
     6 import javax.servlet.*;
     7 import javax.servlet.http.*;
     8 
     9 import fafa.shop.doamin.User;
    10 import fafa.shop.service.BookService;
    11 import fafa.shop.service.MyCart;
    12 import fafa.shop.service.UserService;
    13 
    14 @SuppressWarnings("serial")
    15 public class GoHallUI extends HttpServlet {
    16 
    17     public void doGet(HttpServletRequest request, HttpServletResponse response)
    18             throws ServletException, IOException {
    19         request.setCharacterEncoding("GBK") ;
    20         //取得登陆表单的数据
    21         String userid = request.getParameter("userid") ;
    22         String password = request.getParameter("password") ;
    23         
    24         //创建user对象,构造方法设置用户ID password
    25         User user = new User(Integer.parseInt(userid), password) ;
    26         
    27         //使用UserService验证数据
    28         UserService us = new UserService() ;
    29         if (us.checkUser(user)){
    30             //数据库验证成功后,写入session
    31             request.getSession().setAttribute("loginUser", user) ;
    32             //用户登录成功 就创建购物车 存入session
    33             MyCart mycart = new MyCart() ;
    34             request.getSession().setAttribute("mycart", mycart) ;
    35             
    36             //给hall.jsp 输出数据
    37             BookService bookservice = new BookService() ;
    38             ArrayList<?> all = bookservice.getAllBook() ;
    39             request.setAttribute("all", all) ;
    40             
    41             //成功跳转  hall.jsp 购物大厅页
    42             request.getRequestDispatcher("/WEB-INF/hall.jsp").forward(request, response) ;
    43         }else{
    44             //失败跳转 login.jsp 登陆页
    45             request.setAttribute("error", "用户名或密码错误") ;
    46             request.getRequestDispatcher("/WEB-INF/login.jsp").forward(request, response) ;
    47         }
    48     }
    49 
    50     public void doPost(HttpServletRequest request, HttpServletResponse response)
    51             throws ServletException, IOException {
    52         this.doGet(request, response) ;
    53     }
    54 }

    3、user bean类 和 userService CRUD类

     1 package fafa.shop.doamin;
     2 /**
     3  *  User Bean 
     4  * @author administrator
     5  */
     6 public class User {
     7     private int id ;
     8     private String username ;
     9     private String password ;
    10     private String email ;
    11     private String tel ;
    12     private int grade ;
    13     
    14     public User(int id, String password) {
    15         super();
    16         this.id = id;
    17         this.password = password;
    18     }
    19     public int getId() {
    20         return id;
    21     }
    22     public void setId(int id) {
    23         this.id = id;
    24     }
    25     public String getUsername() {
    26         return username;
    27     }
    28     public void setUsername(String username) {
    29         this.username = username;
    30     }
    31     public String getPassword() {
    32         return password;
    33     }
    34     public void setPassword(String password) {
    35         this.password = password;
    36     }
    37     public String getEmail() {
    38         return email;
    39     }
    40     public void setEmail(String email) {
    41         this.email = email;
    42     }
    43     public String getTel() {
    44         return tel;
    45     }
    46     public void setTel(String tel) {
    47         this.tel = tel;
    48     }
    49     public int getGrade() {
    50         return grade;
    51     }
    52     public void setGrade(int grade) {
    53         this.grade = grade;
    54     }
    55     
    56 }
     1 package fafa.shop.service;
     2 
     3 import java.util.ArrayList;
     4 
     5 import fafa.shop.doamin.User;
     6 import fafa.shop.util.SqlHelper;
     7 
     8 public class UserService {
     9     
    10     //验证用户
    11     public boolean checkUser(User user) {
    12         //到数据库验证
    13         String sql = "SELECT id, username, password, email, grade FROM user WHERE username=? AND password=?" ;
    14         String param[] = {user.getUsername(), user.getPassword()} ;
    15         //取得查询后的结果集
    16         ArrayList<?> all = (ArrayList<?>) new SqlHelper().executeQuery(sql, param) ;
    17         if (all.size() == 0){
    18             return false ;
    19         }else{
    20             Object []obj = (Object[]) all.get(0) ;
    21             user.setId((Integer) obj[0]) ;
    22             user.setUsername((String) obj[1]) ;
    23             user.setTel((String) obj[3]) ;
    24             user.setGrade((Integer) obj[4]) ;
    25             return true ;
    26         }
    27     }
    28 }

    3、购物车类

     1 package fafa.shop.service;
     2 
     3 import java.util.*;
     4 
     5 import fafa.shop.doamin.Book;
     6 
     7 public class MyCart {
     8     //定义hashmap接收书
     9     HashMap<String, Book> hm = new HashMap<String, Book>() ;
    10     
    11     public void addBook2(String id){
    12         if (hm.containsKey(id)){//判断此ID是否存在
    13             Book book = hm.get(id) ; //其实拿出来的是前一本书 修改购买数量
    14             int shoppingNum = book.getShoppingNum() ;
    15             book.setShoppingNum(shoppingNum + 1) ;
    16         }else{
    17             hm.put(id, new BookService().getBookById(id)) ; //如果是第一本书则直接加入HashMap
    18         }
    19     }
    20     
    21     //添加书
    22     public void addBook(String id, Book book){
    23         if (hm.containsKey(id)){ //判断此ID是否存在
    24             book = hm.get(id) ; //其实拿出来的是前一本书 修改购买数量
    25             //如果购物车中存在这本书 ,那么则把购买数量加1
    26             int shoppingNum = book.getShoppingNum() ;
    27             book.setShoppingNum(shoppingNum + 1) ;
    28         }else{
    29             hm.put(id, book) ;
    30         }
    31     }
    32     //删除书
    33     public void delBook(String id){
    34         hm.remove(id) ;
    35      }
    36     //更新书
    37     public void updateBook(String id, String nums){
    38         Book book = hm.get(id) ;
    39         book.setShoppingNum(Integer.parseInt(nums)) ;
    40         
    41     }
    42     
    43     //显示购物车中的所有商品
    44     public ArrayList<Book> showMycart(){
    45         Iterator<String> iter = hm.keySet().iterator() ;
    46         ArrayList<Book> all = new ArrayList<Book>() ;
    47         while(iter.hasNext()){
    48             String key = (String) iter.next() ;
    49             Book book = hm.get(key) ;
    50             all.add(book) ;
    51         }
    52         return all ;
    53     }
    54     
    55     //计算总价
    56     public float getTotalPrice(){
    57         float totalPrice = 0.0f ;
    58         Iterator<String> iterator = hm.keySet().iterator() ;
    59         while(iterator.hasNext()){
    60             String bookId = (String) iterator.next() ;
    61             Book book = hm.get(bookId) ;
    62             totalPrice += book.getPrice() * book.getShoppingNum() ;
    63         }
    64         return totalPrice;
    65     }
    66     
    67     //清空购物车
    68     public void clearBook(){
    69         hm.clear() ;
    70     }
    71 }

    4、购物大厅数据,book bean类 和 bookService 类 

     1 package fafa.shop.doamin;
     2 /**
     3  * Book bean 
     4  * @author administrator
     5  */
     6 public class Book {
     7     private int id ;
     8     private String name ;
     9     private String author ;
    10     private String publishHouse ;
    11     private float price ;
    12     private int nums ;
    13     private int shoppingNum = 1;  //购买数量
    14     
    15     public int getShoppingNum() {
    16         return shoppingNum;
    17     }
    18     public void setShoppingNum(int shoppingNum) {
    19         this.shoppingNum = shoppingNum;
    20     }
    21     public int getId() {
    22         return id;
    23     }
    24     public void setId(int id) {
    25         this.id = id;
    26     }
    27     public String getName() {
    28         return name;
    29     }
    30     public void setName(String name) {
    31         this.name = name;
    32     }
    33     public String getAuthor() {
    34         return author;
    35     }
    36     public void setAuthor(String author) {
    37         this.author = author;
    38     }
    39     public String getPublishHouse() {
    40         return publishHouse;
    41     }
    42     public void setPublishHouse(String publishHouse) {
    43         this.publishHouse = publishHouse;
    44     }
    45     public float getPrice() {
    46         return price;
    47     }
    48     public void setPrice(float price) {
    49         this.price = price;
    50     }
    51     public int getNums() {
    52         return nums;
    53     }
    54     public void setNums(int nums) {
    55         this.nums = nums;
    56     }
    57     
    58 }
     1 package fafa.shop.service;
     2 
     3 import java.util.ArrayList;
     4 
     5 import fafa.shop.doamin.Book;
     6 import fafa.shop.util.SqlHelper;
     7 
     8 
     9 public class BookService {
    10     public ArrayList<?> getAllBook(){
    11         String sql = "SELECT * FROM book WHERE bname LIKE '%?%'" ;
    12         String param[] = {""} ;
    13         ArrayList<?> all = (ArrayList<?>) new SqlHelper().executeQuery(sql, param) ;
    14         ArrayList<Book> newall = new ArrayList<Book>();
    15         
    16         for(int i=0; i<all.size(); i++){
    17             Object obj[] = (Object[]) all.get(i) ;
    18             Book book = new Book();
    19             book.setId(Integer.parseInt(obj[0].toString())) ;
    20             book.setName(obj[1].toString()) ;
    21             book.setPublishHouse(obj[2].toString()) ;
    22             book.setAuthor(obj[3].toString()) ;
    23             book.setPrice(Float.parseFloat(obj[4].toString())) ;
    24             book.setNums(Integer.parseInt(obj[5].toString())) ;
    25             newall.add(book);
    26         }
    27         return newall;
    28     }
    29     
    30     //根据ID 去一条数据 
    31     public Book getBookById(String id){
    32         String sql = "SELECT * FROM book WHERE id=?" ;
    33         String param[] = {id} ;
    34         ArrayList<?> all = (ArrayList<?>) new SqlHelper().executeQuery(sql, param) ;
    35         Book book = new Book();
    36         if (all.size() == 1){
    37             Object []obj = (Object[])all.get(0) ;
    38             book.setId(Integer.parseInt(obj[0].toString())) ;
    39             book.setName(obj[1].toString()) ;
    40             book.setPublishHouse(obj[2].toString()) ;
    41             book.setAuthor(obj[3].toString()) ;
    42             book.setPrice(Float.parseFloat(obj[4].toString())) ;
    43             book.setNums(Integer.parseInt(obj[5].toString())) ;
    44         }
    45         return book;
    46     }
    47 }

    5、用户点击购买,跳转到购物车界面  购物车中的CRUD Servlet

     1 package fafa.shop.controller;
     2 
     3 import java.io.IOException;
     4 
     5 import javax.servlet.ServletException;
     6 import javax.servlet.http.HttpServlet;
     7 import javax.servlet.http.HttpServletRequest;
     8 import javax.servlet.http.HttpServletResponse;
     9 
    10 import fafa.shop.service.MyCart;
    11 
    12 @SuppressWarnings("serial")
    13 public class GoShowMyCart extends HttpServlet {
    14     public void doGet(HttpServletRequest request, HttpServletResponse response)
    15             throws ServletException, IOException {
    16         request.setCharacterEncoding("GBK") ;
    17         
    18         //从Seesion中取出数据 到showMyCart.jsp页面显示 
    19         MyCart mycart = (MyCart) request.getSession().getAttribute("mycart") ;
    20         //把mycart中的书,输出到页面showMyCart.jsp
    21         request.setAttribute("booklist", mycart.showMycart()) ;
    22         //输出总价
    23         request.setAttribute("totalPrice", mycart.getTotalPrice()) ;
    24         //跳转到showMyCart.jsp
    25         request.getRequestDispatcher("/WEB-INF/showMyCart.jsp").forward(request, response) ;
    26         
    27     }
    28 
    29     public void doPost(HttpServletRequest request, HttpServletResponse response)
    30             throws ServletException, IOException {
    31         this.doGet(request, response) ;
    32     }
    33 
    34 }
     1 package fafa.shop.controller;
     2 import java.io.IOException;
     3 import javax.servlet.ServletException;
     4 import javax.servlet.http.HttpServlet;
     5 import javax.servlet.http.HttpServletRequest;
     6 import javax.servlet.http.HttpServletResponse;
     7 import fafa.shop.service.MyCart;
     8 
     9 /**
    10  * 处理购物车请求
    11  * @author administrator
    12  *
    13  */
    14 @SuppressWarnings("serial")
    15 public class ShoppingCLservlet extends HttpServlet {
    16 
    17     @Override
    18     protected void doGet(HttpServletRequest req, HttpServletResponse resp)
    19             throws ServletException, IOException {
    20         req.setCharacterEncoding("GBK") ;
    21         //获取处理类型
    22         String type = req.getParameter("type") ;
    23         
    24         //判断类型
    25         if (type.equals("del")){
    26             String id = req.getParameter("id") ;
    27             //获取购物车,并删除商品
    28             MyCart mycart = (MyCart) req.getSession().getAttribute("mycart") ;
    29             mycart.delBook(id) ;
    30             //把数据也传递过去
    31             req.setAttribute("booklist", mycart.showMycart()) ;
    32             //输出总价
    33             req.setAttribute("totalPrice", mycart.getTotalPrice()) ;
    34             //跳转到购物车jsp页面
    35             req.getRequestDispatcher("/WEB-INF/showMyCart.jsp").forward(req, resp) ;
    36             
    37         }else if(type.equals("add")){
    38             //获取商品编号
    39             String id = req.getParameter("id") ;
    40             //取出购物车,并添加商品到购物车
    41             MyCart mycart = (MyCart) req.getSession().getAttribute("mycart") ;
    42             mycart.addBook2(id) ;
    43             
    44             //客户端跳转到 GoShowMyCart 控制器  然后准备数据 传输到 showMyCart.jsp 页面
    45             resp.sendRedirect("/sp/GoShowMyCart");
    46 
    47         }else if (type.equals("update")){
    48             String bookIds[] = req.getParameterValues("id") ;
    49             String nums[] = req.getParameterValues("num") ;
    50             //取出购物车,并更新数量
    51             MyCart mycart = (MyCart) req.getSession().getAttribute("mycart") ;
    52             for(int i=0; i<bookIds.length; i++){
    53                 mycart.updateBook(bookIds[i], nums[i]) ;
    54             }
    55             //把mycart中的书,输出到页面showMyCart.jsp
    56             req.setAttribute("booklist", mycart.showMycart()) ;
    57             //输出总价
    58             req.setAttribute("totalPrice", mycart.getTotalPrice()) ;
    59             //跳转到购物车jsp页面
    60             req.getRequestDispatcher("/WEB-INF/showMyCart.jsp").forward(req, resp) ;
    61         }else if (type.equals("clear")){
    62             //获取购物车,并删除商品
    63             MyCart mycart = (MyCart) req.getSession().getAttribute("mycart") ;
    64             mycart.clearBook() ;
    65             //把数据也传递过去
    66             req.setAttribute("booklist", mycart.showMycart()) ;
    67             //输出总价
    68             req.setAttribute("totalPrice", mycart.getTotalPrice()) ;
    69             //跳转到购物车jsp页面
    70             req.getRequestDispatcher("/WEB-INF/showMyCart.jsp").forward(req, resp) ;
    71         }
    72     }
    73 
    74     @Override
    75     protected void doPost(HttpServletRequest req, HttpServletResponse resp)
    76             throws ServletException, IOException {
    77         super.doGet(req, resp);
    78     }
    79 }

    6、生成订单,跳转到订单页面

     1 package fafa.shop.controller;
     2 import java.io.IOException;
     3 import java.util.ArrayList;
     4 
     5 import javax.servlet.ServletException;
     6 import javax.servlet.http.HttpServlet;
     7 import javax.servlet.http.HttpServletRequest;
     8 import javax.servlet.http.HttpServletResponse;
     9 
    10 import fafa.shop.service.MyCart;
    11 @SuppressWarnings("serial")
    12 public class GoMyOrderServlet extends HttpServlet {
    13     public void doGet(HttpServletRequest request, HttpServletResponse response)
    14             throws ServletException, IOException {
    15         request.setCharacterEncoding("GBK") ;
    16         //取出购物车, 取得商品信息 和 价格 , 并设置
    17         MyCart mycart = (MyCart) request.getSession().getAttribute("mycart") ;
    18         ArrayList<?> all = mycart.showMycart() ;
    19         float totalPrice = mycart.getTotalPrice() ;
    20         request.setAttribute("orderinfo", all) ;
    21         request.setAttribute("tatalPrice", totalPrice) ;
    22         
    23         //跳转到 showMyOrder.jsp 显示订单信息
    24         request.getRequestDispatcher("/WEB-INF/showMyOrder.jsp").forward(request, response) ;
    25      }
    26 
    27     public void doPost(HttpServletRequest request, HttpServletResponse response)
    28             throws ServletException, IOException {
    29         this.doGet(request, response) ;
    30     }
    31 }
     1 package fafa.shop.service;
     2 
     3 import java.sql.*;
     4 import java.util.ArrayList;
     5 
     6 import fafa.shop.doamin.Book;
     7 import fafa.shop.doamin.User;
     8 import fafa.shop.util.DBUtil;
     9 
    10 public class OrderService {
    11     private Connection ct = null ;
    12     private PreparedStatement ps = null ;
    13     private ResultSet rs = null ;
    14     
    15     //下订单涉及到两张表, 且有关系
    16     public boolean submitOrder(MyCart mycart, User user){
    17         boolean flag = false ;
    18         String sql = "INSERT INTO order VALUES(order_seq.nextval, ?, ?, sysdate)"; 
    19         try{
    20             ct = DBUtil.getConnection() ;        //取得连接
    21             
    22             //为了保证两张表的数据在提交时不发生错乱,所以必须升级事务隔离级别,为可串行化。
    23             ct.setAutoCommit(false) ;            //设置非自动提交事务 ;
    24             ct.setTransactionIsolation(Connection.TRANSACTION_SERIALIZABLE) ;    //设置隔离级别为串行化
    25             
    26             ps = ct.prepareStatement(sql) ;        //预处理sql
    27             ps.setInt(1, user.getId()) ;        //设置值
    28             ps.setFloat(2, mycart.getTotalPrice()) ;//设置值
    29             ps.executeUpdate() ;                //执行sql
    30             
    31             //得到刚刚插入订单表的订单号
    32             sql = "SELECT order_seq FROM order" ;
    33             ps = ct.prepareStatement(sql) ;
    34             rs = ps.executeQuery() ; 
    35             int orderId = 0 ;
    36             if (rs.next()){
    37                 orderId = rs.getInt(1) ;
    38             }
    39             //取得上面的 订单ID 生成订单细节表 
    40             ArrayList<?> all = mycart.showMycart() ;
    41             for(int i=0; i<all.size(); i++){
    42                 Book book = (Book) all.get(i) ;
    43                 sql = "INSERT INTO orderItem VALUES(orderItem_seq.nextval, ?, ?, ?)" ; 
    44                 ps = ct.prepareStatement(sql) ;
    45                 ps.setInt(1, orderId) ;
    46                 ps.setInt(2, book.getId()) ;
    47                 ps.setInt(3, book.getShoppingNum()) ;
    48                 ps.executeUpdate() ;
    49             }
    50             
    51             ct.commit() ;    //提交事务
    52             flag = true ;
    53         }catch(Exception e){
    54             try {
    55                 ct.rollback() ; //事务回滚
    56             } catch (SQLException e1) {
    57                 e1.printStackTrace();
    58             }
    59             e.printStackTrace() ;
    60         }
    61         
    62         return flag ;
    63     }
    64 }

    7、确认订单  并发送邮件 

     1 package fafa.shop.controller;
     2 import java.io.IOException;
     3 
     4 import javax.servlet.ServletException;
     5 import javax.servlet.http.HttpServlet;
     6 import javax.servlet.http.HttpServletRequest;
     7 import javax.servlet.http.HttpServletResponse;
     8 
     9 import fafa.shop.doamin.User;
    10 import fafa.shop.mail.MailSenderInfo;
    11 import fafa.shop.mail.SimpleMailSender;
    12 import fafa.shop.service.MyCart;
    13 import fafa.shop.service.OrderService;
    14 
    15 
    16 @SuppressWarnings("serial")
    17 public class SubmitOrderServlet extends HttpServlet {
    18     public void doGet(HttpServletRequest request, HttpServletResponse response)
    19             throws ServletException, IOException {
    20         request.setCharacterEncoding("GBK") ;
    21         //从Session中取出 购物车 和用户信息
    22         MyCart mycart = (MyCart) request.getSession().getAttribute("mycart") ;
    23         User user = (User) request.getSession().getAttribute("loginUser") ;
    24         //实例化 OrderService 对象
    25         OrderService orderservice = new OrderService() ;
    26         //如果不成功  跳转错误页面  否则跳转 正确页面
    27         if ( orderservice.submitOrder(mycart, user) == false ){
    28             request.getRequestDispatcher("/WEB-INF/orderError.jsp") ;
    29         }else{
    30             // 这个类主要是设置邮件相关信息
    31             MailSenderInfo mailInfo = new MailSenderInfo();    
    32             mailInfo.setMailServerHost("smtp.163.com"); //代理发邮件的服务器地址
    33             mailInfo.setMailServerPort("25");            //邮件服务器端口
    34             mailInfo.setValidate(true);                    //是否验证
    35             mailInfo.setUserName("dafa168@163.com");    //邮件账号
    36             mailInfo.setPassword("**********");            //邮箱密码
    37             mailInfo.setFromAddress("dafa168@163.com"); //发送邮件邮箱
    38             mailInfo.setToAddress("dafa168@126.com");    //接收邮件邮箱
    39             mailInfo.setSubject("设置测试邮箱标题 ");        //邮件标题
    40             mailInfo.setContent("设置邮箱内容测试测试测试测试"); //邮件内容
    41             
    42             // 这个类主要来发送邮件
    43             SimpleMailSender sms = new SimpleMailSender();
    44             //sms.sendTextMail(mailInfo);// 发送文体格式
    45             sms.sendHtmlMail(mailInfo);// 发送html格式
    46             request.getRequestDispatcher("/WEB-INF/showMyOrder.jsp").forward(request, response) ;
    47         }
    48     }
    49 
    50     public void doPost(HttpServletRequest request, HttpServletResponse response)
    51             throws ServletException, IOException {
    52         this.doGet(request, response); 
    53     }
    54 }

    下面应该跳转到支付界面,付款,以后开发过了就会补上来

    需要研究啊

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  • 原文地址:https://www.cnblogs.com/dafa/p/2770998.html
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