51工具盒子真话说一半常是弥天大谎。------富兰克林
引入依赖
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| 1 2 3 4 5 6 | hljs xml <!-- html转图片 --> <dependency> <groupId>com.github.xuwei-k</groupId> <artifactId>html2image</artifactId> <version>0.1.0</version> </dependency> |
我这里稍微封装了一下
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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | hljs java package com.ruben.utils; import gui.ava.html.image.generator.HtmlImageGenerator; import javax.imageio.ImageIO; import java.awt.image.BufferedImage; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.net.MalformedURLException; import java.net.URL; import java.util.Arrays; /** * @ClassName: HtmlUtils * @Description: 我还没有写描述 * @Date: 2020/12/29 0029 20:21 * * * @author: <achao1441470436@gmail.com> * @version: 1.0 * @since: JDK 1.8 */ public class HtmlUtils { /** * @MethodName: htmlSaveAsImage * @Description: html字符串转图片，保存到本地<多用于富文本场景> * @Date: 2020/12/29 0029 20:25 * * * @author: <achao1441470436@gmail.com> * @param: [html, targetPath] * @returnValue: void */ public static void htmlSaveAsImage(String html, String targetPath) { // 读取html HtmlImageGenerator imageGenerator = new HtmlImageGenerator(); // 加载html模版 imageGenerator.loadHtml(html); // 写入本地 imageGenerator.saveAsImage(targetPath); } /** * @MethodName: htmlToImageByte * @Description: html 转换成byte数组 * @Date: 2020/12/29 0029 21:16 * * * @author: <achao1441470436@gmail.com> * @param: [html] * @returnValue: byte[] */ public static byte[] htmlToImageByte(String html) { // 读取html HtmlImageGenerator imageGenerator = new HtmlImageGenerator(); // 加载html模版 imageGenerator.loadHtml(html); //获取图片 BufferedImage image = imageGenerator.getBufferedImage(); byte[] bytes = null; try (ByteArrayOutputStream os = new ByteArrayOutputStream()) { // 写如ByteArrayOutputStream ImageIO.write(image, "png", os); // 转成数组 bytes = os.toByteArray(); } catch (IOException e) { e.printStackTrace(); } return bytes; } public static void main(String[] args) { htmlSaveAsImage("<h1 color='red'>ruben</h1>", "D:\\file\\files\\target\\ruben.png"); byte[] bytes = htmlToImageByte("<h1 color='red'>ruben</h1>"); } } |
执行后结果
