java去注释

Dear 丶 2022-06-16 11:54 143阅读 0赞

import java.io.BufferedReader;  
import java.io.BufferedWriter;  
import java.io.File;  
import java.io.FileInputStream;  
import java.io.FileOutputStream;  
import java.io.IOException;  
import java.io.InputStream;  
import java.io.InputStreamReader;  
import java.io.OutputStream;  
import java.io.OutputStreamWriter;

public class CopyJava \{

public static void main(String\[\] args) throws IOException \{  
copy("e:/src", "e:/desc"); // 这里写好源文件夹和目的文件夹  
\}

private static void copy(String srcPath, String descPath) throws IOException \{  
copy(new File(srcPath), new File(descPath));  
\}

private static void copy(File srcFile, File descFile) throws IOException \{  
if (srcFile.isFile()) \{ // 文件  
File parent = descFile.getParentFile();  
if (!parent.exists()) \{  
parent.mkdirs(); // 创建文件夹  
\}  
if (srcFile.getName().endsWith(".java")) \{  
copyJava(srcFile, descFile);  
\} else \{  
copyFile(srcFile, descFile);  
\}  
\} else \{ // 文件夹  
for (File file : srcFile.listFiles()) \{  
// 相对路径  
String srcPath = file.getAbsolutePath().substring(srcFile.getAbsolutePath().length());  
copy(file, new File(descFile.getAbsolutePath() + srcPath));  
\}  
\}  
\}

private static void copyJava(File srcFile, File descFile) throws IOException \{  
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(descFile)));  
BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(srcFile)));  
String line;  
while ((line = br.readLine()) != null) \{  
bw.write(line.replaceFirst("/\\\\\* \\\\\*/", "")); // 注意这里，如果不行，要适当修改  
bw.write("\\n");  
\}  
br.close();  
bw.close();  
\}

private static void copyFile(File srcFile, File descFile) throws IOException \{  
OutputStream output = new FileOutputStream(descFile);  
InputStream input = new FileInputStream(srcFile);  
byte\[\] buffer = new byte\[1024 \* 4\];  
int n = 0;  
while ((n = input.read(buffer)) != -1) \{  
output.write(buffer, 0, n);  
\}  
input.close();  
output.close();  
\}