first commit

src/Connect/Connect.java

@@ -9,12 +9,12 @@ import java.sql.*;
 public class Connect {
 	private Statement sql=null;
 	private ResultSet result;
-    //	private String url="jdbc:mysql://localhost:3306/userinfo?serverTimezone=GMT%2B8";
+//	private String url="jdbc:mysql://localhost:3306/userinfo?serverTimezone=GMT%2B8";
 //	private String user="root";
 //	private String passWord ="1996315211cjr";
 	private Connection con=null;
-    private static Connect connect=new Connect("jdbc:mysql://localhost:3306/userinfo?serverTimezone=GMT%2B8","root","123456");
+	private static Connect connect=new Connect("jdbc:mysql://localhost:3306/userinfo?serverTimezone=GMT%2B8","root","1996315211cjr");
-    //	private Connect con=new Connect(url,user,passWord);
+//	private Connect con=new Connect(url,user,passWord);
 	public static Connect getCon(){
 		return connect;
 	}
@@ -58,4 +58,3 @@ public class Connect {
 		return sessionFactory.openSession();
 	}
 }
-

src/JaveBean/Book.java

@@ -0,0 +1,86 @@
+package JaveBean;
+
+public class Book {
+    private int bookId;
+    private String bookname;
+    private Double price;
+    private String category;
+    private String imageurl;
+    private Integer sellerId;
+
+    public int getBookId() {
+        return bookId;
+    }
+
+    public void setBookId(int 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 getCategory() {
+        return category;
+    }
+
+    public void setCategory(String category) {
+        this.category = category;
+    }
+
+    public String getImageurl() {
+        return imageurl;
+    }
+
+    public void setImageurl(String imageurl) {
+        this.imageurl = imageurl;
+    }
+
+    public Integer getSellerId() {
+        return sellerId;
+    }
+
+    public void setSellerId(Integer sellerId) {
+        this.sellerId = sellerId;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        Book book = (Book) o;
+
+        if (bookId != book.bookId) return false;
+        if (bookname != null ? !bookname.equals(book.bookname) : book.bookname != null) return false;
+        if (price != null ? !price.equals(book.price) : book.price != null) return false;
+        if (category != null ? !category.equals(book.category) : book.category != null) return false;
+        if (imageurl != null ? !imageurl.equals(book.imageurl) : book.imageurl != null) return false;
+        if (sellerId != null ? !sellerId.equals(book.sellerId) : book.sellerId != null) return false;
+
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = bookId;
+        result = 31 * result + (bookname != null ? bookname.hashCode() : 0);
+        result = 31 * result + (price != null ? price.hashCode() : 0);
+        result = 31 * result + (category != null ? category.hashCode() : 0);
+        result = 31 * result + (imageurl != null ? imageurl.hashCode() : 0);
+        result = 31 * result + (sellerId != null ? sellerId.hashCode() : 0);
+        return result;
+    }
+}

src/JaveBean/Order.java

@@ -0,0 +1,64 @@
+package JaveBean;
+
+public class Order {
+    private int orderId;
+    private Integer buyerId;
+    private Integer sellerId;
+    private int bookId;
+
+    public int getOrderId() {
+        return orderId;
+    }
+
+    public void setOrderId(int orderId) {
+        this.orderId = orderId;
+    }
+
+    public Integer getBuyerId() {
+        return buyerId;
+    }
+
+    public void setBuyerId(Integer buyerId) {
+        this.buyerId = buyerId;
+    }
+
+    public Integer getSellerId() {
+        return sellerId;
+    }
+
+    public void setSellerId(Integer sellerId) {
+        this.sellerId = sellerId;
+    }
+
+    public int getBookId() {
+        return bookId;
+    }
+
+    public void setBookId(int bookId) {
+        this.bookId = bookId;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        Order order = (Order) o;
+
+        if (orderId != order.orderId) return false;
+        if (bookId != order.bookId) return false;
+        if (buyerId != null ? !buyerId.equals(order.buyerId) : order.buyerId != null) return false;
+        if (sellerId != null ? !sellerId.equals(order.sellerId) : order.sellerId != null) return false;
+
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = orderId;
+        result = 31 * result + (buyerId != null ? buyerId.hashCode() : 0);
+        result = 31 * result + (sellerId != null ? sellerId.hashCode() : 0);
+        result = 31 * result + bookId;
+        return result;
+    }
+}

src/JaveBean/Shopcar.java

@@ -0,0 +1,62 @@
+package JaveBean;
+
+public class Shopcar {
+    private int userId;
+    private Integer bookid;
+    private Integer number;
+    private int itemid;
+
+    public int getUserId() {
+        return userId;
+    }
+
+    public void setUserId(int userId) {
+        this.userId = userId;
+    }
+
+    public Integer getBookid() {
+        return bookid;
+    }
+
+    public void setBookid(Integer bookid) {
+        this.bookid = bookid;
+    }
+
+    public Integer getNumber() {
+        return number;
+    }
+
+    public void setNumber(Integer number) {
+        this.number = number;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        Shopcar shopcar = (Shopcar) o;
+
+        if (userId != shopcar.userId) return false;
+        if (bookid != null ? !bookid.equals(shopcar.bookid) : shopcar.bookid != null) return false;
+        if (number != null ? !number.equals(shopcar.number) : shopcar.number != null) return false;
+
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = userId;
+        result = 31 * result + (bookid != null ? bookid.hashCode() : 0);
+        result = 31 * result + (number != null ? number.hashCode() : 0);
+        return result;
+    }
+
+    public int getItemid() {
+        return itemid;
+    }
+
+    public void setItemid(int itemid) {
+        this.itemid = itemid;
+    }
+}

src/JaveBean/User.java

@@ -0,0 +1,75 @@
+package JaveBean;
+
+public class User {
+    private String username;
+    private String password;
+    private String school;
+    private String sex;
+    private int userId;
+
+    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 String getSchool() {
+        return school;
+    }
+
+    public void setSchool(String school) {
+        this.school = school;
+    }
+
+    public String getSex() {
+        return sex;
+    }
+
+    public void setSex(String sex) {
+        this.sex = sex;
+    }
+
+    public int getUserId() {
+        return userId;
+    }
+
+    public void setUserId(int userId) {
+        this.userId = userId;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        User user = (User) o;
+
+        if (userId != user.userId) return false;
+        if (username != null ? !username.equals(user.username) : user.username != null) return false;
+        if (password != null ? !password.equals(user.password) : user.password != null) return false;
+        if (school != null ? !school.equals(user.school) : user.school != null) return false;
+        if (sex != null ? !sex.equals(user.sex) : user.sex != null) return false;
+
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = username != null ? username.hashCode() : 0;
+        result = 31 * result + (password != null ? password.hashCode() : 0);
+        result = 31 * result + (school != null ? school.hashCode() : 0);
+        result = 31 * result + (sex != null ? sex.hashCode() : 0);
+        result = 31 * result + userId;
+        return result;
+    }
+}

src/ShopCar/ShopCartServlet.java

@@ -0,0 +1,108 @@
+package ShopCar;
+
+import Connect.Connect;
+import JaveBean.Shopcar;
+import org.hibernate.Session;
+import org.hibernate.Transaction;
+import org.hibernate.query.Query;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.List;
+
+public class ShopCartServlet extends HttpServlet {
+    @Override
+    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        if(req.getServletPath().equals("/addBook.do")){
+            addBook(req, resp);
+        }else if(req.getServletPath().equals("/deleteBook.do")){
+            deleteBook(req, resp);
+        }else if(req.getServletPath().equals("/showCart.do")){
+            showShopcar(req,resp);
+        }
+    }
+    private void showShopcar(HttpServletRequest req, HttpServletResponse resp) {
+        HttpSession session=req.getSession();
+        Object obj=session.getAttribute("userID");
+        int userId = 0;
+        if(obj!=null) {
+            userId = (int) obj;
+            System.out.println("userID是"+userId);
+        }
+        Session hSession=Connect.getConfig();
+        Transaction tx=hSession.beginTransaction();
+        String hql = "FROM Shopcar WHERE userId=:userid";
+        Query query = hSession.createQuery(hql);
+        query.setParameter("userid",userId);
+        tx.commit();
+        List results = query.list();
+        System.out.println("购物车中一共有"+results.size());
+        Iterator it=results.iterator();
+        while(it.hasNext()){
+            Shopcar shopcar= (Shopcar) it.next();
+            System.out.println("Bookid"+shopcar.getBookid());
+            System.out.println("Itemid"+shopcar.getItemid());
+            System.out.println("useid"+shopcar.getUserId());
+        }
+    }
+    private void addBook(HttpServletRequest req, HttpServletResponse resp){
+        HttpSession session=req.getSession();
+        Object obj=session.getAttribute("userID");
+        int bookID=10;
+        int userId = 0;
+        if(obj!=null) {
+            userId = (int) obj;
+            System.out.println("userID是"+userId);
+        }
+        Session hSession= Connect.getConfig();
+        if(userId!=0) {
+            System.out.println(" this is ");
+            Transaction tx=hSession.beginTransaction();
+            Shopcar shopCar=new Shopcar();
+            shopCar.setUserId(userId);
+            shopCar.setBookid(bookID);
+            shopCar.setNumber(10);
+            hSession.save(shopCar);
+            tx.commit();
+        }
+    }
+
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        doPost(req, resp);
+    }
+
+    private void deleteBook(HttpServletRequest req,HttpServletResponse resp){
+        HttpSession session=req.getSession();
+        Object obj=session.getAttribute("userID");
+        int bookID=10;
+        int userId = 0;
+        if(obj!=null) {
+            userId = (int) obj;
+            System.out.println("userID是"+userId);
+        }
+        Session hSession= Connect.getConfig();
+        if(userId!=0) {
+            Transaction tx1=hSession.beginTransaction();
+            String hql = "FROM Shopcar WHERE bookid=:bookid AND userId=:userid";
+            Query query = hSession.createQuery(hql);
+            query.setParameter("bookid",bookID);
+            query.setParameter("userid",userId);
+            List results = query.list();
+            tx1.commit();
+            if(results.size()>0){
+                Transaction tx2=hSession.beginTransaction();
+                Shopcar deleteItem= (Shopcar) results.get(0);
+                hSession.delete(deleteItem);
+                tx2.commit();
+            }else{
+                System.out.println("无法删除");
+            }
+        }
+    }
+}