Hibernate配置實體類的屬性

Hibernate配置實體類的屬性既能夠在頁面顯示關聯實體類的全部屬性，在插入該屬性時又能夠只插入單一屬性

private String companyCode;
private CompanyEntity company;

    @Column(name = "company_code", length = 32)    
    public String getCompanyCode() {
      return companyCode;
    }

    public void setCompanyCode(String companyCode) {
      this.companyCode = companyCode;
    }//插入時使用
    
    @ManyToOne(fetch=FetchType.LAZY)
    @JoinColumn(name="company_code",insertable = false, updatable = false,referencedColumnName="code")
    public CompanyEntity getCompany() {
      return company;
    } //顯示時使用

    public void setCompany(CompanyEntity company) {
      this.company = company;
    }