import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.util.ArrayList; import java.util.List;/*** *********************************************** @description 計算源代碼（src）行數，不計算空行* 宗旨：將src下所有文件組裝成list,再篩選出文件，對文件進行遍歷讀取* @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pathpath = 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下所有文件組織成listpublic 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"; //這里傳入你的項目名稱lc.counter(projectName);} } 注意：最后的Main方法要傳入你要統計的項目名稱

轉載于:https://www.cnblogs.com/gumutianqi/archive/2011/05/31/LineCounter.html

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