javaweb實戰(zhàn)之商城項目開發(fā)(一)
本文為大家分享了javaweb實戰(zhàn)之商城項目開發(fā)的第一部分,供大家參考,具體內(nèi)容如下
一.項目功能結(jié)構(gòu)
1.功能

2.實體

3.對應(yīng)sql語句
CREATE DATABASE shop; use shop; create table user( id int(11) primary key auto_increment, username varchar(100), password varchar(100), nickname varchar(100), type int(5) ); INSERT INTO user VALUES (null,'admin','7946521','管理員',1); CREATE TABLE address( id INT(10) PRIMARY KEY AUTO_INCREMENT, name VARCHAR(255), phone VARCHAR(100), postcode VARCHAR(100), user_id INT(10), CONSTRAINT FOREIGN KEY (user_id) REFERENCES user(id) ); INSERT INTO address VALUES (NULL ,'安徽阜陽','1234567890','236000','1'); SELECT t1.*,t2.* FROM address t1 LEFT JOIN user t2 ON t1.user_id = t2.id where t1.user_id =1 ; create table orders( id int(11) primary key auto_increment, buy_date datetime, pay_date datetime, confirm_date datetime, status int(5), user_id int(11), address_id int(11), CONSTRAINT FOREIGN KEY(user_id) REFERENCES user(id), CONSTRAINT FOREIGN KEY(address_id) REFERENCES address(id) ); create table category( id int(11) primary key auto_increment, name varchar(100) ); create table goods( id int(11) primary key auto_increment, name varchar(100), price double, intro text, img varchar(100), stock int(10), c_id int(10), CONSTRAINT FOREIGN KEY(c_id) REFERENCES category(id) ); create table goods_orders( id int(11) primary key auto_increment, goods_id int(10), orders_id int(10), CONSTRAINT FOREIGN KEY(goods_id) REFERENCES goods(id), CONSTRAINT FOREIGN KEY(orders_id) REFERENCES orders(id) );
二.項目準(zhǔn)備
1.實體類實現(xiàn)
分別建立dao,filter,model,util的包,并在model中實現(xiàn)實體類,這里以User.java為例.
注意對于數(shù)據(jù)庫中外鍵,比如adress表中有外鍵user_id,那么在Adress.java中就可以直接給個User對象,在取adress表的時候就把user一并取出來.
User.java
package com.model;
import java.util.List;
/**
* Created by nl101 on 2016/2/22.
*/
public class User {
private int id;//id
private String username;
private String password;
private String nickname;//昵稱
private int type;//1表示管理員,2表示注冊用戶
private List<Address> addresses;
public List<Address> getAddresses() {
return addresses;
}
public void setAddresses(List<Address> addresses) {
this.addresses = addresses;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
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 getNickname() {
return nickname;
}
public void setNickname(String nickname) {
this.nickname = nickname;
}
public int getType() {
return type;
}
public void setType(int type) {
this.type = type;
}
}
Adress.java
package com.model;
/**
* Created by nl101 on 2016/2/22.
*/
public class Address {
private int id;
private String name;
private String phone;
private String postcode;
//直接給user對象,來代替user_id
private User user;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
public String getPostcode() {
return postcode;
}
public void setPostcode(String postcode) {
this.postcode = postcode;
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
}
2.分頁框架準(zhǔn)備
分頁主要是寫pager.java和SystemContext.java以及SystemFilter.java三個類.
完整建立后如下

本文是項目實戰(zhàn)的第一篇,之后還有更新:javaweb實戰(zhàn)之商城項目開發(fā)(二) ,希望大家不要錯過。
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