将html文件统一改成jsp文件

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import java.io.File;import java.io.IOException;import java.nio.charset.Charset;import java.nio.file.Files;import java.nio.file.StandardOpenOption;import java.util.List;public class Test {    public static void main(String[] args) throws IOException {        replaceSuffix(new File("E:/workspace/eclipse/Test/WebContent/WEB-INF"), "html", "jsp");    }    public static void replaceSuffix(File file, String oldSuffix, String newSuffix) throws IOException {        File[] listFiles = file.listFiles();        for (int i = 0; i < listFiles.length; i++) {            if (listFiles[i].isDirectory()) {                replaceSuffix(listFiles[i], oldSuffix, newSuffix);            } else {                if (listFiles[i].isFile() && listFiles[i].getName().endsWith(oldSuffix)) {                    String absolutePath = listFiles[i].getAbsolutePath();                    List<String> lines = Files.readAllLines(listFiles[i].toPath(), Charset.forName("UTF-8"));                    lines.add(0, "<%@ page language=\"java\" contentType=\"text/html; charset=UTF-8\" pageEncoding=\"UTF-8\"%>");                    int lastIndexOf = absolutePath.lastIndexOf(".");                    String prefix = absolutePath.substring(0, lastIndexOf);                    File newFile = new File(prefix + ".jsp");                    newFile.createNewFile();                    Files.write(newFile.toPath(), lines, Charset.forName("UTF-8"), StandardOpenOption.CREATE);                    System.out.println(newFile.getAbsolutePath());                }            }        }    }}
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