最近要将一个工程的所有源代码导入到一个文件中，要如下图效果。

于是写了如下代码：最后用Notepad上色，paste到word中即可。

import java.io.*;

public class ExportCode {

static FileWriter fw;

static BufferedWriter writer;

static String headTitle = "＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝";

static String endline="\n";

public ExportCode() {}

public ExportCode(String outputPath)

{

String os=System.getProperties().getProperty("os.name");

if(os.startsWith("win")||os.startsWith("Win"))endline="\r\n";

try {

// 设置成尾部追加方式

fw = new FileWriter(outputPath, true);

writer = new BufferedWriter(fw);

} catch (IOException e) {

e.printStackTrace();

}

}

/**

* @param path 绝对路径

* @param filename 要读的文件名

*/

public void WriteToMyFile(String path, String filename) {

if (!filename.endsWith(".java") )

return;

try {

writer.write(endline+headTitle+endline);

writer.write("『"+filename+"』");

writer.write(endline+headTitle+endline);

BufferedReader br = new BufferedReader(new FileReader(path));

String buf = br.readLine();

while (buf != null) {

writer.write(buf + endline);

buf = br.readLine();

}

// 输出到文件

writer.flush();

if (br != null)br.close();

} catch (IOException e) {

e.printStackTrace();

}

}

//递归遍历当前文件夹下的所有文件

public void showAllSubFile(String path) {

File f = new File(path);

String[] list = f.list();

for (String s : list) {

// System.out.println(s);

File subf = new File(f.getPath() + File.separator + s);

// 如果当前s所代表的是文件夹

if (subf.isDirectory())

showAllSubFile(subf.getPath());

else {

WriteToMyFile(subf.getPath(), s);

}

}

}

public static void main(String[] args) {

System.out.println("Export start....");

/*输入文件夹路径*/

String inpath="C:\\Users\\sq\\Desktop\\test";

/*输出文件的路径*/

String outpathString="C:\\Users\\sq\\Desktop\\output.java";

new ExportCode(outpathString).showAllSubFile(inpath);

System.out.println("Export Complete.");

// 最后关掉输出流

try {

if (writer != null)

writer.close();

} catch (IOException e) {

e.printStackTrace();

}

}

}