jdk8 base64 将图片转为html的img标签内容码

import java.io.FileInputStream;

import java.io.IOException;

import java.util.Base64;

public class TestBase64 {
public static void main(String[] args) {
String path = "H:\\file\\test\\3.jpg";
FileInputStream io = null;
try {
io = new FileInputStream(path);
byte[] data = null;
data = new byte[io.available()];
io.read(data);
io.close();
System.out.println("data:image/jpg;base64,"
+
Base64.getEncoder().encodeToString(data));
} catch (Exception e) {
e.printStackTrace();
} finally {
if (io != null) {
try {
io.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}

}