71 lines
2.4 KiB
Java
71 lines
2.4 KiB
Java
import java.io.*;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* @author : heibaiying
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* @description : 转换本地图片为Github图片工具类
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*/
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public class ChangeImageUrl {
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public static void main(String[] args) throws Exception {
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if (args.length < 1) {
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System.out.println("请传递路径");
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return;
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}
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String dir = args[0];
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String preUrl = "https://github.com/heibaiying/spring-samples-for-all/blob/master/pictures/";
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String regex = "(!\\[(\\S*)]\\(D:\\\\spring-samples-for-all\\\\pictures\\\\(\\S*)\\)[^(</br>)]*?)";
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List<String> filesList = getAllFile(dir, new ArrayList<>());
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for (String filePath : filesList) {
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changeImageUrl(filePath, preUrl, regex);
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}
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System.out.println("图片地址转换成功！");
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}
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private static void changeImageUrl(String filePath, String preUrl, String oldImageUrlRegex) throws IOException {
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FileReader reader = new FileReader(filePath);
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StringBuilder stringBuilder = new StringBuilder();
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char[] chars = new char[1024 * 1024];
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int read = 0;
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while ((read = reader.read(chars)) != -1) {
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stringBuilder.append(new String(chars, 0, read));
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}
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reader.close();
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String content = stringBuilder.toString();
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//github 居中方式 <div align="center"> <img src=""/> </div>
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String newContent = content.replaceAll(oldImageUrlRegex,
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String.format("<div align=\"center\"> <img src=\"%s$3\"/> </div>", preUrl));
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FileWriter fileWriter = new FileWriter(new File(filePath));
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fileWriter.write(newContent);
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fileWriter.flush();
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}
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private static List<String> getAllFile(String dir, List<String> filesList) {
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File file = new File(dir);
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//如果是文件 则不遍历
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if (file.isFile() && file.getName().endsWith(".md")) {
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filesList.add(file.getAbsolutePath());
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}
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//如果是文件夹 则遍历下面的所有文件
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File[] files = file.listFiles();
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if (files != null) {
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for (File f : files) {
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if (f.isDirectory() && !f.getName().startsWith(".")) {
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getAllFile(f.getAbsolutePath(), filesList);
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} else if (f.getName().endsWith(".md")) {
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filesList.add(f.getAbsolutePath());
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}
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}
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}
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return filesList;
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}
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} |