本篇博客记录下 IDEA 中连接数据库反转生成 Hibernate 实体和配置文件。
1. 打开 DataBase 窗口，添加数据源
到了这一步数据源已添加好。
2. 添加 hibernat 持久层支持，生成实体 Bean /配置文件，这一步要去plugs那里下载一个hibernate插件，不然你的persistence是出不来的
然后选择数据源，选择包，添加生成 Bean 的后缀，选择表，选择生成 xml 配置文件还是注解。
OK，结束
如果你选择生成带 JPA 注解类，映射文件是可以省略的，相反如果你生成映射文件，JPA 注解也可以省略。
看你喜欢哪种方式
生成注解例子
@Entity
@Table(name = "user", schema = "db_test", catalog = "")
public class UserPO {
private String uuid;
private String name;
private String passwd;
private String sex;
private Timestamp birthday;
private String phone;
private String photo;
private String email;
private String yxbz;
private String sorts;
@Id
@Column(name = "UUID")
public String getUuid() {
return uuid;
}
public void setUuid(String uuid) {
this.uuid = uuid;
}
@Basic
@Column(name = "NAME")
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
@Basic
@Column(name = "PASSWD")
public String getPasswd() {
return passwd;
}
public void setPasswd(String passwd) {
this.passwd = passwd;
}
@Basic
@Column(name = "SEX")
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
@Basic
@Column(name = "BIRTHDAY")
public Timestamp getBirthday() {
return birthday;
}
public void setBirthday(Timestamp birthday) {
this.birthday = birthday;
}
@Basic
@Column(name = "PHONE")
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
@Basic
@Column(name = "PHOTO")
public String getPhoto() {
return photo;
}
public void setPhoto(String photo) {
this.photo = photo;
}
@Basic
@Column(name = "EMAIL")
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
@Basic
@Column(name = "YXBZ")
public String getYxbz() {
return yxbz;
}
public void setYxbz(String yxbz) {
this.yxbz = yxbz;
}
@Basic
@Column(name = "SORTS")
public String getSorts() {
return sorts;
}
public void setSorts(String sorts) {
this.sorts = sorts;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
UserPO userPO = (UserPO) o;
if (uuid != null ? !uuid.equals(userPO.uuid) : userPO.uuid != null) return false;
if (name != null ? !name.equals(userPO.name) : userPO.name != null) return false;
if (passwd != null ? !passwd.equals(userPO.passwd) : userPO.passwd != null) return false;
if (sex != null ? !sex.equals(userPO.sex) : userPO.sex != null) return false;
if (birthday != null ? !birthday.equals(userPO.birthday) : userPO.birthday != null) return false;
if (phone != null ? !phone.equals(userPO.phone) : userPO.phone != null) return false;
if (photo != null ? !photo.equals(userPO.photo) : userPO.photo != null) return false;
if (email != null ? !email.equals(userPO.email) : userPO.email != null) return false;
if (yxbz != null ? !yxbz.equals(userPO.yxbz) : userPO.yxbz != null) return false;
if (sorts != null ? !sorts.equals(userPO.sorts) : userPO.sorts != null) return false;
return true;
}
@Override
public int hashCode() {
int result = uuid != null ? uuid.hashCode() : 0;
result = 31 * result + (name != null ? name.hashCode() : 0);
result = 31 * result + (passwd != null ? passwd.hashCode() : 0);
result = 31 * result + (sex != null ? sex.hashCode() : 0);
result = 31 * result + (birthday != null ? birthday.hashCode() : 0);
result = 31 * result + (phone != null ? phone.hashCode() : 0);
result = 31 * result + (photo != null ? photo.hashCode() : 0);
result = 31 * result + (email != null ? email.hashCode() : 0);
result = 31 * result + (yxbz != null ? yxbz.hashCode() : 0);
result = 31 * result + (sorts != null ? sorts.hashCode() : 0);
return result;
}
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