Java教程
Java开发笔记6(添加区域)（小小）
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1.Controller:
/**
* 添加区域
*
* @return
*/
@PostMapping("/save")
public Result save(@RequestBody StationRegionDTO dto) {
return Result.ok(stationRegionService.save(dto));
}
2.Service:
/**
* 根据dto保存区域数据
*
* @param dto
* @return
*/
String save(StationRegionDTO dto);
3.ServiceImpl:
@Transactional
@Override
public String save(StationRegionDTO dto) {
StationRegion region = getStationRegion(dto);
StationRegion save = stationRegionDao.save(region);
return save.getId();
}
/**
* 构建车站区域信息方法
* @param dto
* @return com.cars.ict.rbpsems.entity.base.StationRegion
* @author xueyj
* @date 2019/7/23-9:51
*/
private StationRegion getStationRegion(StationRegionDTO dto) {
StationRegion region = new StationRegion();
region.setName(dto.getName());
region.setCode(generateCode(dto.getPid()));
region.setAbbreviation(dto.getAbbreviation());
//加入排序 2022/2/18 gs
region.setIndex(dto.getIndex());
String pid = dto.getPid();
if (!StringUtils.isEmpty(pid)) {
StationRegion parent = stationRegionDao.findById(pid).orElse(null);
if (parent != null) {
region.setParent(parent);
region.setStation(parent.getStation());
}
}
/**
* @Description:添加自定义区域照片
*/
if (!StringUtils.isEmpty(dto.getStationRegionPic())) {
String path = filePath + dto.getStationRegionPic();
File file = new File(path);
if (file.exists()) {
region.setStationRegionPic(dto.getStationRegionPic());
}
}
return region;
}
4.DTO:
package com.cars.ict.rbpsems.dto.base;
/**
* StationRegionDTO class
*
* @author duke.ma
* @date 2019.04。08
*/
public class StationRegionDTO implements java.io.Serializable{
private String id;
/**
* 区域名称
*/
private String name;
/**
* 区域简称
*/
private String abbreviation;
/**
* 区域编码
*/
private String code;
/**
* 站点id
*
*/
private String stationId;
/**
* 上级区域ID
*/
private String pid;
/**
* 车站区域照片
*/
private String stationRegionPic;
/**
* 类型
*/
private String type;
private Integer index;
public String getStationRegionPic() {
return stationRegionPic;
}
public void setStationRegionPic(String stationRegionPic) {
this.stationRegionPic = stationRegionPic;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getCode() {
return code;
}
public void setCode(String code) {
this.code = code;
}
public String getStationId() {
return stationId;
}
public void setStationId(String stationId) {
this.stationId = stationId;
}
public String getPid() {
return pid;
}
public void setPid(String pid) {
this.pid = pid;
}
public String getAbbreviation() {
return abbreviation;
}
public void setAbbreviation(String abbreviation) {
this.abbreviation = abbreviation;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public Integer getIndex() {
return index;
}
public void setIndex(Integer index) {
this.index = index;
}
@Override
public String toString() {
return "StationRegionDTO{" +
"id='" + id + '\'' +
", name='" + name + '\'' +
", abbreviation='" + abbreviation + '\'' +
", code='" + code + '\'' +
", stationId='" + stationId + '\'' +
", pid='" + pid + '\'' +
", stationRegionPic='" + stationRegionPic + '\'' +
", type='" + type + '\'' +
'}';
}
}
5.entity:
package com.cars.ict.rbpsems.entity.base;
import com.fasterxml.jackson.annotation.JsonIgnore;
import lombok.Data;
import org.hibernate.annotations.GenericGenerator;
import javax.persistence.*;
import java.io.Serializable;
import java.util.List;
/**
* 车站区域
*
* @author mike
*/
@Entity
@Data
@Table(name = "b_station_region_dict")
public class StationRegion implements Serializable {
private static final long serialVersionUID = 1L;
@Id
@GenericGenerator(name = "uuid", strategy = "uuid")
@GeneratedValue(generator = "uuid")
@Column(length = 32, name = "s_id")
private String id;
/**
* 区域名称
*/
@Column(length = 100, name = "s_name")
private String name;
/**
* 区域编码
*/
@Column(length = 50, name = "s_code")
private String code;
/**
* 区域编码
*/
@Column(name = "s_area_code")
private String areaCode;
/**
* 区域类型简称
*/
@Column(length = 50, name = "s_abbreviation")
private String abbreviation;
/**
* 站点
*/
@ManyToOne
@JoinColumn(name = "s_station_id")
private Station station;
/**
* 类型： 0 区域 1 车站
*/
@Column(length = 50, name = "s_type")
private String type = "0";
/**
* 车站区域照片
*/
@Column(length = 50, name = "s_station_region_pic")
private String stationRegionPic = "";
/**
* 排序
*/
@Column(name = "i_index")
private Integer index;
/**
* 上级区域
*/
@JsonIgnore
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "s_pid")
private StationRegion parent;
/**
* 车站区域是否被监控管理
*/
@Column(name = "s_ismonitored")
private String ismonitored = "0";
@OneToMany(fetch = FetchType.EAGER, mappedBy = "parent")
private List<StationRegion> children;
public StationRegion() {
super();
}
public StationRegion(String name, String code, String abbreviation, Station station, String type,
StationRegion parent, List<StationRegion> children) {
super();
this.name = name;
this.code = code;
this.abbreviation = abbreviation;
this.station = station;
this.type = type;
this.parent = parent;
this.children = children;
}
public String getStationRegionPic() {
return stationRegionPic;
}
public void setStationRegionPic(String stationRegionPic) {
this.stationRegionPic = stationRegionPic;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getCode() {
return code;
}
public void setCode(String code) {
this.code = code;
}
public Station getStation() {
return station;
}
public void setStation(Station station) {
this.station = station;
}
public StationRegion getParent() {
return parent;
}
public void setParent(StationRegion parent) {
this.parent = parent;
}
public String getAbbreviation() {
return abbreviation;
}
public void setAbbreviation(String abbreviation) {
this.abbreviation = abbreviation;
}
public List<StationRegion> getChildren() {
return children;
}
public void setChildren(List<StationRegion> children) {
this.children = children;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public String getIsmonitored() {
return ismonitored;
}
public void setIsmonitored(String ismonitored) {
this.ismonitored = ismonitored;
}
public Integer getIndex() {
return index;
}
public void setIndex(Integer index) {
this.index = index;
}
}
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