字段分析的三部曲

1. 含义

2. 怎么来

3. 是否能为null

4. package cn.jiedada.aisell.domain;
   
   import com.fasterxml.jackson.annotation.JsonFormat;
   import org.springframework.format.annotation.DateTimeFormat;
   
   import javax.persistence.Entity;
   import javax.persistence.JoinColumn;
   import javax.persistence.ManyToOne;
   import javax.persistence.Table;
   import java.math.BigDecimal;
   import java.util.Date;
   
   @Entity
   @Table(name = "purchasebill")
   public class PurchaseBill extends BasicDomain{
       /*通过这个注解可以把前台的秒钟可以换成大家都能看懂的页面
       1429545600000时间转化为我们能做的页面*/
       @JsonFormat(pattern="yyyy-MM-dd HH:mm:ss",timezone = "GMT+8")
       private Date vdate;//交易时间（是我们自己录入的）
       private BigDecimal totalAmount;//总金额
       private BigDecimal totalNum;//总数量
       private Date inputTime=new  Date();//录入时间
       private Date auditorTime;//审核时间
       private Integer status=0;//默认状态
       @ManyToOne
       @JoinColumn(name = "supplier_id")
       private Supplier supplier;//供应商
       @ManyToOne
       @JoinColumn(name = "auditor_id")
       private Employee auditor;//审核人
       @ManyToOne
       @JoinColumn(name = "inputUser_id")
       private Employee inputUser;//登陆用户录入
       @ManyToOne
       @JoinColumn(name = "buyer_id")
       private Employee buyer;//采购员
   
       public Date getVdate() {
           return vdate;
       }
       @DateTimeFormat(pattern = "yyyy-MM-dd")
       public void setVdate(Date vdate) {
           this.vdate = vdate;
       }
   
       public BigDecimal getTotalAmount() {
           return totalAmount;
       }
   
       public void setTotalAmount(BigDecimal totalAmount) {
           this.totalAmount = totalAmount;
       }
   
       public BigDecimal getTotalNum() {
           return totalNum;
       }
   
       public void setTotalNum(BigDecimal totalNum) {
           this.totalNum = totalNum;
       }
   
       public Date getInputTime() {
           return inputTime;
       }
   
       public void setInputTime(Date inputTime) {
           this.inputTime = inputTime;
       }
   
       public Date getAuditorTime() {
           return auditorTime;
       }
   
       public void setAuditorTime(Date auditorTime) {
           this.auditorTime = auditorTime;
       }
   
       public Integer getStatus() {
           return status;
       }
   
       public void setStatus(Integer status) {
           this.status = status;
       }
   
       public Supplier getSupplier() {
           return supplier;
       }
   
       public void setSupplier(Supplier supplier) {
           this.supplier = supplier;
       }
   
       public Employee getAuditor() {
           return auditor;
       }
   
       public void setAuditor(Employee auditor) {
           this.auditor = auditor;
       }
   
       public Employee getInputUser() {
           return inputUser;
       }
   
       public void setInputUser(Employee inputUser) {
           this.inputUser = inputUser;
       }
   
       public Employee getBuyer() {
           return buyer;
       }
   
       public void setBuyer(Employee buyer) {
           this.buyer = buyer;
       }
   
       @Override
       public String toString() {
           return "PurchaseBill{" +
                   "vdate=" + vdate +
                   ", totalAmount=" + totalAmount +
                   ", totalNum=" + totalNum +
                   ", inputTime=" + inputTime +
                   ", auditorTime=" + auditorTime +
                   ", status=" + status +
                   ", supplier=" + supplier +
                   ", auditor=" + auditor +
                   ", inputUser=" + inputUser +
                   ", buyer=" + buyer +
                   ", id=" + id +
                   '}';
       }
   }