查漏补缺16--实体类上的注解整理

本文深入解析了实体类设计的关键要素,包括字段注解的作用、数据验证、前后端交互及数据库映射,为开发者提供全面的指导。

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package io.crm.common.entity;

import com.baomidou.mybatisplus.annotations.TableField;
import com.baomidou.mybatisplus.enums.FieldFill;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.JsonFormat;
import com.fasterxml.jackson.annotation.JsonIgnore;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import org.springframework.format.annotation.DateTimeFormat;

import java.io.Serializable;
import java.util.Date;

/**
 * Created by IDEA 18.1.2
 *  数据库公共字段,自动填充
 * @author zly
 * @date: 2019/3/28
 * @time: 8:50
 * @description:
 */

public class BaseEntity{

    //  swagger注解,表示 该属性在前端swagger上会隐藏,但是查询的返回字段不受此注解影响
    @ApiModelProperty(value = "创建人",hidden = true)
//    MP注解:公共字段填充,使用公共字段填充是搭配@JsonIgnore 对当前属性不进行序列化和反序列化
    @TableField(fill = FieldFill.INSERT)
    @JsonIgnore
    private Long creator;


    @ApiModelProperty(value = "创建时间",hidden = true)
    @TableField(fill = FieldFill.INSERT)
    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    @JsonFormat(pattern="yyyy-MM-dd HH:mm:ss",timezone="GMT+8")
    private Date createDate;

    @ApiModelProperty(value = "更新人员", hidden = true)
    @TableField(fill = FieldFill.INSERT_UPDATE)
    @JsonIgnore
    private Long updater;

    @ApiModelProperty(value = "更新时间", hidden = true)
    @TableField(fill = FieldFill.INSERT_UPDATE)
    @JsonIgnore
    private Date updateDate;

    @ApiModelProperty(value = "是否删除", hidden = true)
    @TableField(fill = FieldFill.INSERT)
    @JsonIgnore
    private Integer isDel;

    public Long getCreator() {
        return creator;
    }

    public void setCreator(Long creator) {
        this.creator = creator;
    }

    public Date getCreateDate() {
        return createDate;
    }

    public void setCreateDate(Date createDate) {
        this.createDate = createDate;
    }

    public Long getUpdater() {
        return updater;
    }

    public void setUpdater(Long updater) {
        this.updater = updater;
    }

    public Date getUpdateDate() {
        return updateDate;
    }

    public void setUpdateDate(Date updateDate) {
        this.updateDate = updateDate;
    }

    public Integer getIsDel() {
        return isDel;
    }

    public void setIsDel(Integer isDel) {
        this.isDel = isDel;
    }
}
/**
 * Copyright 2018 耘林养老 http://www.crm.cn
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package io.crm.common.entity.sys;


import com.baomidou.mybatisplus.annotations.TableField;
import com.baomidou.mybatisplus.annotations.TableId;
import com.baomidou.mybatisplus.annotations.TableName;
import com.fasterxml.jackson.annotation.JsonFormat;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonProperty;
import io.crm.common.validator.group.AddGroup;
import io.crm.common.validator.group.UpdateGroup;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;

import javax.validation.constraints.NotBlank;
import javax.validation.constraints.NotNull;
import java.io.Serializable;
import java.util.Date;
import java.util.List;

/**
 * 系统用户
 * 
 * @author zsh
 * @email zoushaohua@sportsii.cn
 * @date 2016年9月18日 上午9:28:55
 */
@ApiModel(description = "系统用户表")
@TableName("sys_user")
public class SysUserEntity implements Serializable {
	private static final long serialVersionUID = 1L;

	public static final Integer USABLE = 1;
	public static final Integer UN_USABLE = 0;

//	Swagger注解,表示此属性可以为空(应为主键默认递增),默认的值为example的值
	@ApiModelProperty(value = "用户主键ID", allowEmptyValue = true)
//	MP注解:表示该属性对应表用户主键
	@TableId
	private Long userId;

	@ApiModelProperty(value = "用户名", example = "admin")
//	validator注解:表示属性不能为空(在增加和更新的操作中),对于String数据类型,前端传过来的数据可能为null,所以这里
// 如需要可以做一下判定,swagger前端
	@NotBlank(message="用户名不能为空", groups = {AddGroup.class, UpdateGroup.class})
	private String username;

	@ApiModelProperty(value = "密码", example = "000")
	@NotBlank(message="密码不能为空", groups = AddGroup.class)
//	Json注解:表示只有在写入操作时,才会接受前端的值,进行序列化,读取操作时不会反序列化给前端传值
	@JsonProperty(access = JsonProperty.Access.WRITE_ONLY)
	private String password;

//  swagger注解,表示 该属性在前端swagger上会隐藏,但是查询的返回字段不受此注解影响
	@ApiModelProperty(value = "盐", example = "abcde", hidden = true)
//	Json注解:表示读写操作,序列化和反序列化操作都会忽略该属性,前端保存输入,从后端查询返回都不会有此属性名和属性值显示
//	前端的这个属性能否显示,受这两个注解的同时影响,满足其一就会隐藏,返回的数据只受@JsonIgnore的影响
	@JsonIgnore
	private String salt;

	@ApiModelProperty(value = "邮箱", example = "a@a.com")
	private String email;

	@ApiModelProperty(value = "手机号", example = "13000000000")
	private String mobile;

	@ApiModelProperty(value = "状态 0:禁用 1:正常", example = "0")
	private Integer status;

	@ApiModelProperty(value = "角色ID列表")
//	MP注解:表示该属性在表中不存在该字段,主要用于联表查询时作为一个字段返回给前端
	@TableField(exist=false)
	private List<Long> roleIdList;

	@ApiModelProperty(value = "创建时间", example = "2018-11-11 11:11:11")
//	Json注解:把Date类型的属性,按照格式反序列化给前端
	@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone="GMT+8")
	private Date createTime;

	@ApiModelProperty(value = "部门ID")
	@NotNull(message="部门不能为空", groups = {AddGroup.class, UpdateGroup.class})
	private Long deptId;

//	swagger注解 表示下面的属性只能读取,不能写入
	@ApiModelProperty(value = "部门名称", example = "研发部",readOnly = true)
	@TableField(exist=false)
	private String deptName;

	@ApiModelProperty(value = "账号类型", example = "0")
	private byte usetype;

	@ApiModelProperty(value = "类型名称")
	@TableField(exist = false)
	private String usetypeName;

	@ApiModelProperty(value = "扩展信息表id", allowEmptyValue = true)
	private Long extid;

	public String getUsetypeName() {
		return usetypeName;
	}

	public void setUsetypeName(String usetypeName) {
		this.usetypeName = usetypeName;
	}

	/**
	 * 设置:
	 * @param userId 
	 */
	public void setUserId(Long userId) {
		this.userId = userId;
	}

	/**
	 * 获取:
	 * @return Long
	 */
	public Long getUserId() {
		return userId;
	}
	
	/**
	 * 设置:用户名
	 * @param username 用户名
	 */
	public void setUsername(String username) {
		this.username = username;
	}

	/**
	 * 获取:用户名
	 * @return String
	 */
	public String getUsername() {
		return username;
	}
	
	/**
	 * 设置:密码
	 * @param password 密码
	 */
	public void setPassword(String password) {
		this.password = password;
	}

	/**
	 * 获取:密码
	 * @return String
	 */
	public String getPassword() {
		return password;
	}
	
	/**
	 * 设置:邮箱
	 * @param email 邮箱
	 */
	public void setEmail(String email) {
		this.email = email;
	}

	/**
	 * 获取:邮箱
	 * @return String
	 */
	public String getEmail() {
		return email;
	}
	
	/**
	 * 设置:手机号
	 * @param mobile 手机号
	 */
	public void setMobile(String mobile) {
		this.mobile = mobile;
	}

	/**
	 * 获取:手机号
	 * @return String
	 */
	public String getMobile() {
		return mobile;
	}
	
	/**
	 * 设置:状态  0:禁用   1:正常
	 * @param status 状态  0:禁用   1:正常
	 */
	public void setStatus(Integer status) {
		this.status = status;
	}

	/**
	 * 获取:状态  0:禁用   1:正常
	 * @return Integer
	 */
	public Integer getStatus() {
		return status;
	}

	/**
	 * 设置:创建时间
	 * @param createTime 创建时间
	 */
	public void setCreateTime(Date createTime) {
		this.createTime = createTime;
	}

	/**
	 * 获取:创建时间
	 * @return Date
	 */
	public Date getCreateTime() {
		return createTime;
	}

	public List<Long> getRoleIdList() {
		return roleIdList;
	}

	public void setRoleIdList(List<Long> roleIdList) {
		this.roleIdList = roleIdList;
	}

	public String getSalt() {
		return salt;
	}

	public void setSalt(String salt) {
		this.salt = salt;
	}

	public Long getDeptId() {
		return deptId;
	}

	public void setDeptId(Long deptId) {
		this.deptId = deptId;
	}

	public String getDeptName() {
		return deptName;
	}

	public void setDeptName(String deptName) {
		this.deptName = deptName;
	}

	public byte getUsetype() {
		return usetype;
	}

	public void setUsetype(byte usetype) {
		this.usetype = usetype;
	}

	public Long getExtid() {
		return extid;
	}

	public void setExtid(Long extid) {
		this.extid = extid;
	}
}

package io.crm.common.entity.crm;

import com.baomidou.mybatisplus.annotations.TableField;
import com.baomidou.mybatisplus.annotations.TableId;
import com.baomidou.mybatisplus.annotations.TableName;
import com.fasterxml.jackson.annotation.JsonProperty;
import io.crm.common.entity.BaseEntity;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;

import java.io.Serializable;
import java.util.Date;

/**
 * 项目信息表
 *
 * @author ${author}
 * @email ${email}
 * @date 2019-10-10 15:47:52
 */
@ApiModel(description = "项目信息表")
@TableName("crm_project")
public class CrmProjectEntity extends BaseEntity implements Serializable {
	private static final long serialVersionUID = 1L;

	@TableId
    @ApiModelProperty(value = "主键Id")
	private Long id;

	@ApiModelProperty(value = "项目名称")
	private String name;

	@ApiModelProperty(value = "项目详情")
	private String detail;

	@ApiModelProperty(value = "项目简介")
	private String briefIntroduction;

	@ApiModelProperty(value = "项目地点")
	private String address;

	@ApiModelProperty(value = "项目状态:0、关;1、开")
	private Integer status = 1;

	@ApiModelProperty(value = "街道编码")
	private String streetCode;

	@ApiModelProperty(value = "部门id")
	private Long deptId;

	@ApiModelProperty(value = "部门名称",hidden = true)
	@TableField(exist = false)
//	前端写入时:@ApiModelProperty(value = "部门名称",hidden = false) 留出了输入接口,填写了也会被@JsonProperty过滤掉
//	所有一般只读操作时,会使用@ApiModelProperty(value = "部门名称",hidden = true)进行接口隐藏
	@JsonProperty(access = JsonProperty.Access.READ_ONLY)
	private String deptName;

	public String getDeptName() {
		return deptName;
	}

	public void setDeptName(String deptName) {
		this.deptName = deptName;
	}

	public void setId(Long id) {
		this.id = id;
	}

	public Long getId() {
		return id;
	}

	public Integer getStatus() {
		return status;
	}

	public void setStatus(Integer status) {
		this.status = status;
	}

	public String getStreetCode() {
		return streetCode;
	}

	public void setStreetCode(String streetCode) {
		this.streetCode = streetCode;
	}

	public Long getDeptId() {
		return deptId;
	}

	public void setDeptId(Long deptId) {
		this.deptId = deptId;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getName() {
		return name;
	}

	public void setDetail(String detail) {
		this.detail = detail;
	}

	public String getDetail() {
		return detail;
	}

	public void setBriefIntroduction(String briefIntroduction) {
		this.briefIntroduction = briefIntroduction;
	}

	public String getBriefIntroduction() {
		return briefIntroduction;
	}

	public void setAddress(String address) {
		this.address = address;
	}

	public String getAddress() {
		return address;
	}
}

@Api 注解主要表示 前端的显示问题
@Json 相关注解 表示是否序列化到数据库和反序列化给前端的问题
@Table 相关注解主要表示实体和表字段的对应关系问题
@NotBlank 相关注解用于数据验证

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