将本地图片转换Base64传输

最新推荐文章于 2024-07-15 00:00:26 发布

DONG 水木

最新推荐文章于 2024-07-15 00:00:26 发布

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文章标签： junit java spring

本文链接：https://blog.youkuaiyun.com/weixin_54796090/article/details/129883193

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该代码示例展示了如何在Java中利用Hutool库将本地路径的PNG图片读取为BufferedImage，然后将其转换为JPEG格式的BASE64字符串。主要涉及的类包括ImgUtil、ImageIO和File。

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将本地图片转换BASE64进行传输( **注意：本地图片路径最好是英文，否则可能报错**)
import cn.hutool.core.img.ImgUtil; import com.czxy.tanhua.AppServiceApplication; import com.czxy.tanhua.autoconfig.template.AipTemplate; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.boot.test.context.SpringBootTest; import org.springframework.test.context.junit4.SpringRunner; import javax.annotation.Resource; import javax.imageio.ImageIO; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; /** * @Description * @create 2023-03-31 9:55 */ @RunWith(SpringRunner.class) @SpringBootTest(classes = AppServiceApplication.class) public class Aiptest { @Test public void Test() throws IOException { //本地图片 String path = "D:\\jihe\\tupian\\sdf.png"; //转换流 BufferedImage read = ImageIO.read(new File(path)); //转换base64 String jpeg = ImgUtil.toBase64(read, "jpeg"); System.out.println(jpeg); } }

将本地图片转换BASE64进行传输( 注意：本地图片路径最好是英文，否则可能报错)

import cn.hutool.core.img.ImgUtil;
import com.czxy.tanhua.AppServiceApplication;
import com.czxy.tanhua.autoconfig.template.AipTemplate;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

import javax.annotation.Resource;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

/**
 * @Description
 * @create 2023-03-31 9:55
 */
@RunWith(SpringRunner.class)
@SpringBootTest(classes = AppServiceApplication.class)
public class Aiptest {
    @Test
    public void Test() throws IOException {
        //本地图片
        String path = "D:\\jihe\\tupian\\sdf.png";
        //转换流
        BufferedImage read = ImageIO.read(new File(path));
        //转换base64
        String jpeg = ImgUtil.toBase64(read, "jpeg");
        System.out.println(jpeg);
    }
}