JAVA导出项目中的所有源码到同一个文本文件中

importjava.io.BufferedWriter;
importjava.io.File;
importjava.io.IOException;
importjava.nio.charset.StandardCharsets;
importjava.nio.file.Files;
importjava.nio.file.Path;
importjava.nio.file.Paths;
importjava.nio.file.StandardOpenOption;
importjava.util.LinkedList;
importjava.util.List;
importjava.util.stream.Stream;
publicclassExportCodeMain {
publicstaticvoidmain(Stringargs[]){
StringdirLocation="C:\\code\\project\\xxx\\src\\main\\";
StringfileName="C:\\code\\project\\xxx\\sourcecode.txt";
try {
List<File>files=newLinkedList<>();
fileall(newFile(dirLocation),files);
if(files!=null){
//追加写模式Pathpath=Paths.get(fileName);
Filefile=newFile(fileName);
if(!file.exists()){
file.createNewFile();
                }
try (BufferedWriterwriter=Files.newBufferedWriter(path,StandardCharsets.UTF_8,StandardOpenOption.APPEND)){
files.stream().forEach(item-> {
try (Stream<String>lines=Files.lines(item.toPath()))
                        {
lines.forEach(line->{
try {
writer.write(line);
writer.newLine();
                                } catch (IOExceptione) {
e.printStackTrace();
                                }
                            });
                        }
catch (IOExceptione)
                        {
e.printStackTrace();
                        }
                    });
                }catch (Exceptione){
e.printStackTrace();
                }
            }
        } catch (IOExceptione) {
e.printStackTrace();
        }
    }
privatestaticvoidfileall(Filef1,List<File>fileList) {
if (f1.isDirectory()) {
File[] files=f1.listFiles();
for (Filefile:files) {
fileall(file,fileList);
            }
        } else {
fileList.add(f1);
        }
    }
}