【hibernate】存储图片
转载：
package cn.ycx.study.hibernate.entity; import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Lob;
@Entity
@org.hibernate.annotations.DynamicInsert
@org.hibernate.annotations.DynamicUpdate
public class User {
@Id
@GeneratedValue(generator="id_generator")
protected long id;
protected String username;
@Lob
protected byte[] photo; // 数组类型
@Lob
protected java.sql.Blob image; // 大数据类型 public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public byte[] getPhoto() {
return photo;
}
public void setPhoto(byte[] photo) {
this.photo = photo;
}
public java.sql.Blob getImage() {
return image;
}
public void setImage(java.sql.Blob image) {
this.image = image;
}
}
测试
@Test
public void testInsert() {
User u = new User();
u.setUsername("admin");
try {
FileInputStream p = new FileInputStream(new File("E:/wx/image.jpg"));
int len = Long.valueOf(p.available()).intValue();
byte[] photo = new byte[len];
p.read(photo, 0, len);
u.setPhoto(photo);
p.close();
java.sql.Blob blog = this.session.getLobHelper().createBlob(photo);
u.setImage(blog);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} this.session.persist(u);
assertTrue( true );
}