统计你写的java代码行数
自动统计工具
SourceCounter-2.5.5.9，可以统计多种开发语言的代码量，包括C#、ava；支持多种文字，包括简体中文。
Java时，指定到webroot目录，选择java,jsp,xml,html类型，系统会自动计算。
junit的单元测试，也会统计出来。
程序注释的行数，也在统计范围，很不错。
非安装版的，运行.exe文件时出界面，不安装，呵呵。
用C#制作源代码统计，http://www.docin.com/p-32733695.html
代码一：
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
/**
*
* @author LC
*
*/
public class SumJavaCode {
static long normalLines = 0; // 空行
static long commentLines = 0; // 注释行
static long whiteLines = 0; // 代码行
public static void main(String[] args) {
SumJavaCode sjc = new SumJavaCode();
File f = new File(“D://spring-framework-2.0-with-dependencies//spring-framework-2.0″); //目录
System.out.println(f.getName());
sjc.treeFile(f);
System.out.println(“空行：” + normalLines);
System.out.println(“注释行：” + commentLines);
System.out.println(“代码行：” + whiteLines);
}
/**
* 查找出一个目录下所有的.java文件
*
* @param f 要查找的目录
*/
private void treeFile(File f) {
File[] childs = f.listFiles();
//int count = 0;
//int sum = 0;
for (int i = 0; i < childs.length; i++) {
// System.out.println(preStr + childs[i].getName());
if (!childs[i].isDirectory()) {
if (childs[i].getName().matches(“.*//.java$”)) {
System.out.println(childs[i].getName());
//count ++;
sumCode(childs[i]);
}
} else {
treeFile(childs[i]);
//sum += count;
}
}
}
/**
* 计算一个.java文件中的代码行，空行，注释行
*
* @param file
* 要计算的.java文件
*/
private void sumCode(File file) {
BufferedReader br = null;
boolean comment = false;
try {
br = new BufferedReader(new FileReader(file));
String line = “”;
try {
while ((line = br.readLine()) != null) {
line = line.trim();
if (line.matches(“^[//s&&[^//n]]*$”)) {
whiteLines++;
} else if (line.startsWith(“/*”) && !line.endsWith(“*/”)) {
commentLines++;
comment = true;
} else if (true == comment) {
commentLines++;
if (line.endsWith(“*/”)) {
comment = false;
}
commentLines++;
} else {
normalLines++;
}
}
} catch (IOException e) {
e.printStackTrace();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} finally {
if (br != null) {
try {
br.close();
br = null;
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
代码二：
package linenum;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.text.*;
import javax.swing.*;
public class LineNum extends JFrame
{
private JPanel topPanel = new JPanel();
private JPanel bottomPanel = new JPanel();
private JButton fileChoose = new JButton("选择目录");
private JTextField fileField = new JTextField(20);
private JFileChooser fc = new JFileChooser("选择目录");
private JTextArea filePathArea = new JTextArea(5 , 20);
//判断是否属于"/* */注释"
private boolean isExplainStatus = false;
//存储代码总行数值
private int totalCount = 0;
//存储注释总行数值
private int explainCount = 0;
//存储空行总行数值
private int spaceCount = 0;
//存储单个文件行数值
private int count = 0;
private InputStream input = null;
private BufferedReader br = null;
private String totalPath = "";
private DecimalFormat myFormat = null;
public LineNum(String title)
{
super(title);
//设置面板
Container container = getContentPane();
container.setLayout(new BorderLayout());
topPanel.setLayout(new GridLayout(1 , 2));
bottomPanel.setLayout(new BorderLayout());
topPanel.add(fileChoose);
topPanel.add(fileField);
bottomPanel.add(new JScrollPane(filePathArea));
filePathArea.setText("java文件：");
container.add(topPanel , BorderLayout.NORTH);
container.add(bottomPanel , BorderLayout.CENTER);
//添加选择目录监听，默认获取的是选择文件所在的父目录，程序统计对象是此父目录及其子目录下的所有java文件
fileChoose.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
int result = fc.showOpenDialog(LineNum.this);
if(result == JFileChooser.APPROVE_OPTION)
{
String path = fc.getSelectedFile().getAbsolutePath();
path = path.substring(0 , path.lastIndexOf("//"));
fileField.setText(path);
File file = new File(path);
CalculateLineNum(file);
}
}
});
}
/*
* 计算并显示统计信息
*/
private void CalculateLineNum(File file)
{
if(file.exists())
{
displayLineNum(file);
myFormat = (DecimalFormat)NumberFormat.getPercentInstance();
myFormat.applyPattern("0.00%");
if(totalCount != 0)
{
double programPercent = (double)(totalCount - explainCount - spaceCount)/(double)totalCount;
double explainPercent = (double)explainCount/(double)totalCount;
double spacePercent = (double)spaceCount/(double)totalCount;
filePathArea.setText(filePathArea.getText() + "/n" + " 总行数：" + totalCount + "行");
filePathArea.setText(filePathArea.getText() + "/n" + " 程序行数：" + (totalCount - explainCount - spaceCount) + "行,百分比："+myFormat.format(programPercent));
filePathArea.setText(filePathArea.getText() + "/n" + " 注释行数：" + explainCount + "行,百分比："+myFormat.format(explainPercent));
filePathArea.setText(filePathArea.getText() + "/n" + " 空行行数：" + spaceCount + "行,百分比："+myFormat.format(spacePercent));
}
else
{
filePathArea.setText(filePathArea.getText() + "/n" + " 总行数：" + totalCount + "行");
}
}
}
//循环访问目录及子目录，统计代码总行数，注释行数及空行行数
public void displayLineNum(File file)
{
totalPath+= " || " + file.getName();
String[] subPaths = file.list();
if(subPaths.length == 0)
{
totalPath = totalPath.substring(0 , totalPath.lastIndexOf(" || "));
return;
}
//循环对子目录进行访问计算行数处理
for(int i = 0 ; i < subPaths.length ; i++)
{
count = 0;
File subFile = new File(file.getAbsolutePath() + "//" + subPaths[i]);
if(subFile.isFile())
{
String subFilePath = subFile.getAbsolutePath();
String extendName = subFilePath.substring(subFilePath.lastIndexOf(".") + 1 , subFilePath.length());
if(!extendName.equals("java"))
{
continue;
}
try
{
input = new FileInputStream(subFile);
BufferedReader br = new BufferedReader(new InputStreamReader(input));
String lineValue = br.readLine();
while(lineValue != null)
{
count++;
//对两种不同类型注释分别处理，对空行用空字符串来判断
if(isExplainStatus == false)
{
if(lineValue.trim().startsWith("//"))
{
explainCount++;
}
if(lineValue.trim().equals(""))
{
spaceCount++;
}
if(lineValue.trim().startsWith("/*"))
{
explainCount++;
isExplainStatus = true;
}
}
else
{
explainCount++;
if(lineValue.trim().startsWith("*/"))
{
isExplainStatus = false;
}
}
lineValue = br.readLine();
}
totalCount+= count;
String totalPath1 = totalPath + " || " + subFile.getName();
//显示单个文件的行数
filePathArea.setText(filePathArea.getText() + "/n" + totalPath1 + " 行数：" + count + "行--------totalCount:"+ totalCount);
br.close();
input.close();
}
catch (Exception e)
{
e.printStackTrace();
}
}
else
{
//循环调用displayLineNum函数，实现统计子目录行数数据
displayLineNum(subFile);
}
}
totalPath = totalPath.substring(0 , totalPath.lastIndexOf(" || "));
}
public static void main(String args[])
{
LineNum lineFrame=new LineNum("java程序行数统计");
lineFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
lineFrame.setBounds(212,159,600,420);
lineFrame.setVisible(true);
lineFrame.setResizable(false);
}
}