【hibernate】存储图片

【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 );

    }