1.创建user表
2.创建gateway表
3.创建user_gateway表
4.创建device表
5.创建gateway_device表
6.创建一个实体类
public class DeviceModule{
private Integer id;
private String device_mac;
private String device_name;
private String device_status;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getDevice_mac() {
return device_mac;
}
public void setDevice_mac(String device_mac) {
this.device_mac = device_mac;
}
public String getDevice_name() {
return device_name;
}
public void setDevice_name(String device_name) {
this.device_name = device_name;
}
public String getDevice_status() {
return device_status;
}
public void setDevice_status(String device_status) {
this.device_status = device_status;
}
}
7.Mapper.java
@Select("SELECT * FROM device "
+ "INNER JOIN gateway_device ON gateway_device.device_id=device.id "
+ "INNER JOIN gateway ON gateway.id=gateway_device.gateway_id "
+ "INNER JOIN user_gateway ON user_gateway.gateway_id=gateway.id "
+ "INNER JOIN user ON user.id=user_gateway.user_id and user.id=(SELECT id FROM user WHERE phone=#{phoneno})")
List<DeviceModule> getDeviceNameByUserPhone(@Param("phoneno")String phoneno);