wordpress打不开/搜索引擎优化原理

我在查询怎么把java项目打包成jar包时，很多文章都提到了MANIFEST.MF这个文件，但是对于怎么生成这个文件，都只是说了手写，手写，手写。真好意思啊。

于是我就写了一个简易版的自动生成代码，只生成了比较关键的部分。

lib信息取自.classpath文件，如果由于ide的原因没有这个文件或者格式不一样，本文方法不适用（我用的是myeclipse）。

package test;import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;public class Test {/*** @param args* @throws IOException */public static void main(String[] args) throws IOException {// TODO Auto-generated method stubString mainClass = Test.class.getName();	//要启动的类System.out.println(new File(".classpath").exists());List<String> list = readFile(".classpath");Pattern pattern = Pattern.compile("path=\"(.*?)\"");Pattern patternCheck = Pattern.compile("kind=\"lib\"");Matcher matcher;String libStr = "";for(String str : list){matcher = patternCheck.matcher(str);if(!matcher.find())continue;matcher = pattern.matcher(str);if(matcher.find())libStr += matcher.group(1) + " ";}if(libStr == null || libStr.length() == 0)libStr += " ";File file = new File("MANIFEST.MF");file.delete();file.createNewFile();writeTxtFile(file, "Manifest-Version: 1.0");writeTxtFile(file, "Main-Class: " + mainClass);writeTxtFile(file, "Class-Path: " + libStr);}public static List<String> readFile(String path) throws IOException {List<String> list = new ArrayList<String>();FileInputStream fis = new FileInputStream(path);InputStreamReader isr = new InputStreamReader(fis, "UTF-8");BufferedReader br = new BufferedReader(isr);String line = "";while ((line = br.readLine()) != null) {if (line.lastIndexOf("---") < 0) {list.add(line);}}br.close();isr.close();fis.close();return list;}public static boolean writeTxtFile(File file, String newStr) throws IOException {boolean flag = false;String filein = newStr + "\r\n";String temp = "";FileInputStream fis = null;InputStreamReader isr = null;BufferedReader br = null;FileOutputStream fos = null;PrintWriter pw = null;try {fis = new FileInputStream(file);isr = new InputStreamReader(fis);br = new BufferedReader(isr);StringBuffer buf = new StringBuffer();for (int j = 1; (temp = br.readLine()) != null; j++) {buf = buf.append(temp);buf = buf.append(System.getProperty("line.separator"));}buf.append(filein);fos = new FileOutputStream(file);pw = new PrintWriter(fos);pw.write(buf.toString().toCharArray());pw.flush();flag = true;} catch (IOException e) {throw e;} finally {if (pw != null) {pw.close();}if (fos != null) {fos.close();}if (br != null) {br.close();}if (isr != null) {isr.close();}if (fis != null) {fis.close();}}return flag;}}