五表查询（#千锋#）

pom文件添加junit，mysql， mybatis（3.4.4）

设置mybatis的配置文件

PUBLIC "-//mybatis.org//DTD Config 3.0//EN"

"http://mybatis.org/dtd/mybatis-3-config.dtd">

db.properties数据库的配置文件

driver=com.mysql.jdbc.Driver

url=jdbc:mysql://localhost:3306/mall

user=root

pass=123456

设计pojo类

User.java

package com.zy.pojo;

public class User {

private int uid;

private String name;

private String pass;

private String phone;

@Override

public String toString() {

return "User{" +

"uid=" + uid +

", name='" + name + '\'' +

", pass='" + pass + '\'' +

", phone='" + phone + '\'' +

'}';

}

public int getUid() {

return uid;

}

public void setUid(int uid) {

this.uid = uid;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public String getPass() {

return pass;

}

public void setPass(String pass) {

this.pass = pass;

}

public String getPhone() {

return phone;

}

public void setPhone(String phone) {

this.phone = phone;

}

Type.java

package com.zy.pojo;

public class Types {

private String tid;

private String name;

@Override

public String toString() {

return "Types{" +

"tid=" + tid +

", name='" + name + '\'' +

'}';

}

public String getTid() {

return tid;

}

public void setTid(String tid) {

this.tid = tid;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

Product.java

package com.zy.pojo;

public class Product {

private String pid;

private String name;

private String img;

private double price;

private Types t;

@Override

public String toString() {

return "Product{" +

"pid='" + pid + '\'' +

", name='" + name + '\'' +

", img='" + img + '\'' +

", price=" + price +

", t=" + t +

'}';

}

public String getPid() {

return pid;

}

public void setPid(String pid) {

this.pid = pid;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public String getImg() {

return img;

}

public void setImg(String img) {

this.img = img;

}

public double getPrice() {

return price;

}

public void setPrice(double price) {

this.price = price;

}

public Types getT() {

return t;

}

public void setT(Types t) {

this.t = t;

}

Detail.java

package com.zy.pojo;

public class Detail {

private String did;

private int count;

private Product pro;

@Override

public String toString() {

return "Detail{" +

"did='" + did + '\'' +

", count=" + count +

", pro=" + pro +

'}';

}

public String getDid() {

return did;

}

public void setDid(String did) {

this.did = did;

}

public int getCount() {

return count;

}

public void setCount(int count) {

this.count = count;

}

public Product getPro() {

return pro;

}

public void setPro(Product pro) {

this.pro = pro;

}

Order.java

package com.zy.pojo;

import java.util.List;

public class Order {

private String oid;

private double price;

private String addr;

private String payType;

private User u;

private List details;

@Override

public String toString() {

return "Order{" +

"oid='" + oid + '\'' +

", price=" + price +

", addr='" + addr + '\'' +

", payType='" + payType + '\'' +

", u=" + u +

", details=" + details +

'}';

}

public String getOid() {

return oid;

}

public void setOid(String oid) {

this.oid = oid;

}

public double getPrice() {

return price;

}

public void setPrice(double price) {

this.price = price;

}

public String getAddr() {

return addr;

}

public void setAddr(String addr) {

this.addr = addr;

}

public String getPayType() {

return payType;

}

public void setPayType(String payType) {

this.payType = payType;

}

public User getU() {

return u;

}

public void setU(User u) {

this.u = u;

}

public List getDetails() {

return details;

}

public void setDetails(List details) {

this.details = details;

}

设置映射文件mapper

OrderMapper.xml

PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"