發一個統計項目程式碼數的Java代碼

import java.io.BufferedReader;import java.io.File;import java.io.FileReader;import java.util.ArrayList;import java.util.List;/** * ********************************************** * @description 計算原始碼（src）行數，不計算空行 *     宗旨：將src下所有檔案組裝成list,再篩選出檔案，對檔案進行遍曆讀取 * @author gumutianqi * @date 2011-05-30   2:00:12 PM * @version 1.0 *********************************************** */public class LineCounter {    List<File> list = new ArrayList<File>();    int linenumber = 0;        FileReader fr = null;    BufferedReader br = null;    public void counter(String projectName) {//        String path = System.getProperty("user.dir");        String path = LineCounter.class.getResource("/").getPath();  // 同下個path        path = path.substring(0, path.length() - 24) + projectName + "/src";        System.out.println(path);        File file = new File(path);        File files[] = null;        files = file.listFiles();        addFile(files);        isDirectory(files);        readLinePerFile();        System.out.println("Totle:" + linenumber + "行");    }    // 判斷是否是目錄    public void isDirectory(File[] files) {        for (File s : files) {            if (s.isDirectory()) {                File file[] = s.listFiles();                addFile(file);                isDirectory(file);                continue;            }        }    }    //將src下所有檔案組織成list    public void addFile(File file[]) {        for (int index = 0; index < file.length; index++) {            list.add(file[index]);            // System.out.println(list.size());        }    }        //讀取非空白行    public void readLinePerFile() {        try {            for (File s : list) {                int yuan = linenumber;                if (s.isDirectory()) {                    continue;                }                fr = new FileReader(s);                br = new BufferedReader(fr);                String i = "";                while ((i = br.readLine()) != null) {                    if (isBlankLine(i))                        linenumber++;                }                System.out.print(s.getName());                System.out.println("\t\t有" + (linenumber - yuan) + "行");            }        } catch (Exception e) {            e.printStackTrace();        } finally {            if (br != null) {                try {                    br.close();                } catch (Exception e) {                }            }            if (fr != null) {                try {                    fr.close();                } catch (Exception e) {                }            }        }    }    //是否是空行    public boolean isBlankLine(String i) {        if (i.trim().length() == 0) {            return false;        } else {            return true;        }    }        public static void main(String args[]) {        LineCounter lc = new LineCounter();        String projectName = "testProject";//這裡傳入你的項目名稱        lc.counter(projectName);    }}

注意：最後的Main方法要傳入你要統計的項目名稱