JAVA API 实例

红太狼 2022-07-21 01:24 141阅读 0赞

from  http://blog.csdn.net/earbao/article/details/8236334

import java.io.BufferedInputStream;
    import java.io.BufferedOutputStream;
    import java.io.BufferedReader;
    import java.io.BufferedWriter;
    import java.io.File;
    import java.io.FileInputStream;
    import java.io.FileOutputStream;
    import java.io.FileWriter;
    import java.io.IOException;
    import java.io.InputStreamReader;
    import java.io.PrintWriter;
    import java.io.RandomAccessFile;
    import java.lang.ref.SoftReference;
    import java.math.BigDecimal;
    import java.math.BigInteger;
    import java.net.FileNameMap;
    import java.text.SimpleDateFormat;
    import java.util.ArrayDeque;
    import java.util.ArrayList;
    import java.util.Arrays;
    import java.util.BitSet;
    import java.util.Calendar;
    import java.util.Collection;
    import java.util.Collections;
    import java.util.Date;
    import java.util.EnumSet;
    import java.util.Enumeration;
    import java.util.HashMap;
    import java.util.HashSet;
    import java.util.Hashtable;
    import java.util.IdentityHashMap;
    import java.util.Iterator;
    import java.util.LinkedHashMap;
    import java.util.LinkedHashSet;
    import java.util.LinkedList;
    import java.util.List;
    import java.util.Map;
    import java.util.PriorityQueue;
    import java.util.Queue;
    import java.util.Random;
    import java.util.Set;
    import java.util.Stack;
    import java.util.StringTokenizer;
    import java.util.TimeZone;
    import java.util.Timer;
    import java.util.TimerTask;
    import java.util.TreeMap;
    import java.util.TreeSet;
    import java.util.UUID;
    import java.util.Vector;
    import java.util.WeakHashMap;
    import java.util.concurrent.ConcurrentLinkedQueue;
    import java.util.zip.ZipEntry;
    import java.util.zip.ZipFile;
    import java.util.zip.ZipOutputStream;
    
    /**
     * 云守护
     * 2012-11-28 
     * @author qq:542335496
     *
     */
    public class TestAPI {
    
    	enum Sex {
    		MAN, WOMEN
    	}
    
    	@SuppressWarnings("unused")
    	private class Person {
    		private Integer id;
    		private String name;
    
    		public Person() {
    		};
    
    		public Person(Integer id, String name) {
    
    			this.id = id;
    			this.name = name;
    		}
    
    		public Integer getId() {
    			return id;
    		}
    
    		public void setId(Integer id) {
    			this.id = id;
    		}
    
    		public String getName() {
    			return name;
    		}
    
    		public void setName(String name) {
    			this.name = name;
    		}
    
    	}
    
    	@SuppressWarnings("unchecked")
    	public static void main(String[] args) throws Exception {
    		/** 集合 */
    		Collection<Integer> collection;
    		{
    			collection=new ArrayList<Integer>();
    			collection.addAll(Arrays.asList(1,2,3,4,5,6,7,8,9));
    			
    			/** 中断程序的运行，测试用*/
    			if(true){
    				return ;
    			}
    		}
    		/** 列表 */
    		List<Integer> list;
    		/** 数组列表 */
    		ArrayList<Integer> arrayList;
    		/** 链表 */
    		LinkedList<Integer> linkedList;
    		/** 链表实现的hashmap */
    		LinkedHashMap<Integer, String> linkedHashMap;
    		{
    			arrayList=new ArrayList<Integer>();
    			for(int i=0;i<15;i++){
    				arrayList.add(i);
    			}
    			System.out.println(arrayList);
    			linkedList=new LinkedList<Integer>();
    			linkedList.addAll(arrayList);
    			System.out.println(linkedList);
    			linkedHashMap=new LinkedHashMap<Integer, String>();
    			for(int i=0;i<15;i++){
    				linkedHashMap.put(i, "value"+i);
    			}
    			System.out.println(linkedHashMap);
    			System.out.println(arrayList.contains(14));
    			System.out.println(linkedList.indexOf(11));
    			System.out.println(linkedList.offer(100));
    			System.out.println(linkedList.peekLast());
    			System.out.println(linkedList.peek());
    			System.out.println(linkedList.remove(2));
    			System.out.println(linkedList);
    			
    			Set<Integer> set=linkedHashMap.keySet();
    			Set<Map.Entry<Integer, String>> entrySet=linkedHashMap.entrySet();
    			Iterator<Integer> iterator=set.iterator();
    			while(iterator.hasNext()){
    				Integer key=iterator.next();
    				String value=linkedHashMap.get(key);
    				System.out.print(" key="+key+" value="+value);
    			}
    			System.out.println();		
    			if(true){
    				return ;
    			}
    		}
    		/** 队列 */
    		Queue<Integer> queue;
    		/**双端队列 */
    		ArrayDeque<Integer> arrayDeque;
    		/**优先级队列 */
    		PriorityQueue<Integer> priorityQueue;
    		ConcurrentLinkedQueue<Integer> concurrentLinkedQueue;
    		{
    			priorityQueue = new PriorityQueue<Integer>();
    			priorityQueue.addAll(Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10));
    			System.out.println(priorityQueue);
    					
    			arrayDeque=new ArrayDeque<Integer>();
    			arrayDeque.addAll(priorityQueue);
    			System.out.println(arrayDeque.pop());
    			System.out.println(arrayDeque.poll());
    			//入队列
    			arrayDeque.push(500);
    			arrayDeque.push(200);
    			//出队列
    			System.out.println(arrayDeque.remove());
    			//入队列
    			System.out.println(arrayDeque.add(99));
    			System.err.println(arrayDeque);
    			// 出队列,这里顺序乱了？
    			//priorityQueue.poll();
    			show(priorityQueue);
    			Iterator<Integer>  iterator=priorityQueue.iterator();
    			while(iterator.hasNext()){			
    				Integer data=iterator.next();
    				System.out.print("\t"+data);			
    			}
    			System.out.println();
    			concurrentLinkedQueue=new ConcurrentLinkedQueue<Integer>();
    			concurrentLinkedQueue.addAll(priorityQueue);
    			System.out.println(concurrentLinkedQueue);
    		
    			if(true){
    				return ;
    			}
    		}
    
    		
    
    		/** 栈 */
    		Stack<Integer> stack;
    		{
    			stack = new Stack<Integer>();
    			for (int i = 0; i < 10; i++) {
    				stack.add(i);
    			}
    			show(stack);
    			stack.addElement(111);
    			// 容量不足时，增长一倍
    			System.out.println(stack.capacity());
    			System.out.println(stack.size());
    			System.out.println(stack.indexOf(111));
    			System.out.println(stack.remove(1));
    			System.out
    					.println(stack.retainAll(Arrays.asList(3, 4, 5, 6, 7, 8)));
    			System.out.println(stack.search(3));
    			System.out.println(stack.toString());
    			System.out.println(stack.peek());
    			stack.pop();
    			stack.pop();
    			stack.push(100);
    			System.out.println(stack.subList(1, 4));
    
    			show(stack);
    			stack.removeAllElements();
    			System.out.println(stack.isEmpty());
    
    		}
    		/** 向量 */
    		Vector<Integer> vector;
    		{
    
    			vector = new Vector<Integer>();
    			for (int i = 0; i < 20; i++) {
    				vector.add(i);
    			}
    			show(vector);
    			vector.addElement(1999);
    			// 容量不足时，增大一倍
    			System.out.println(vector.capacity());
    			System.out.println(vector.contains(1));
    			System.out.println(vector.containsAll(Arrays.asList(1, 2, 3, 4, 5,
    					6)));
    			System.out.println(vector.lastIndexOf(19));
    			System.out.println(vector.remove(1));
    			System.out.println(vector.removeAll(Arrays.asList(1, 2, 3, 4, 5, 6,
    					7, 8, 9)));
    			System.out.println(vector.retainAll(Arrays.asList(10, 11, 12, 13,
    					14, 15, 60)));
    			System.out.println(vector.size());
    			System.out.println(vector.elementAt(2));
    			System.out.println(vector.firstElement());
    			System.out.println(vector.lastElement());
    			System.out.println(vector.subList(1, 5));
    			vector.ensureCapacity(52);
    			System.out.println(vector.size());
    			vector.removeAllElements();
    			System.out.println(vector.isEmpty());
    			show(vector);
    
    		}
    
    		System.out.println("========map=======");
    		Map<Integer, String> map;
    		Hashtable<Integer, String> hashtable;
    		HashMap<Integer, String> hashMap;
    		// EnumMap<Sex,Map> enumMap;
    		/** 树实现的map */
    		TreeMap<Integer, String> treeMap;
    		// ConcurrentHashMap<Integer, String> concurrentHashMap;
    		// ConcurrentMap<Integer, String> concurrentMap;
    		WeakHashMap<Integer, String> weakHashMap;
    		IdentityHashMap<Integer, String> identityHashMap;
    		{
    			hashMap = new HashMap<Integer, String>();
    			hashtable = new Hashtable<Integer, String>();
    			treeMap = new TreeMap<Integer, String>();
    			weakHashMap = new WeakHashMap<Integer, String>();
    			identityHashMap = new IdentityHashMap<Integer, String>();
    			for (int i = 0; i < 20; i++) {
    				hashMap.put(i, "云守护" + i);
    			}
    			show(hashMap);
    			hashtable.putAll(hashMap);
    			treeMap.putAll(hashMap);
    			weakHashMap.putAll(hashMap);
    			identityHashMap.putAll(hashMap);
    			show(hashtable);
    			show(treeMap);
    			show(weakHashMap);
    			show(identityHashMap);
    			System.out.println(hashMap.containsKey(14));
    			System.out.println(hashMap.containsValue("云守护5"));
    			System.out.println(hashMap.values());
    			System.out.println(hashtable.remove(1));
    			System.out.println(hashtable.values());
    			hashtable.clear();
    			System.out.println(hashtable.isEmpty());
    
    		}
    		System.out.println("========set=======");
    		// 集合Set的使用
    		Set<Integer> set;
    		BitSet bitSet;
    
    		EnumSet enumSet;
    
    		HashSet<Integer> hashSet;
    		/** 树实现的set */
    		TreeSet<Integer> treeSet;
    		/** 链表实现的hashset */
    		LinkedHashSet<Integer> linkedHashSet;
    
    		Iterator<Integer> iterator;
    		{
    
    			enumSet = EnumSet.noneOf(Sex.class);
    			hashSet = new HashSet<Integer>();
    			treeSet = new TreeSet<Integer>();
    			linkedHashSet = new LinkedHashSet<Integer>();
    			// 自动排序？？
    			for (int i = 15; i > 0; i--) {
    				hashSet.add(i);
    			}
    			treeSet.addAll(hashSet);
    			linkedHashSet.addAll(hashSet);
    
    			enumSet.add(Sex.MAN);
    			enumSet.add(Sex.WOMEN);
    			show(hashSet);
    			show(treeSet);
    			show(linkedHashSet);
    			show(enumSet);
    			System.out.println(enumSet.size());
    			enumSet.clear();
    			System.out.println(enumSet.size());
    			System.out.println(enumSet.isEmpty());
    			System.out.println(hashSet.contains(10));
    			System.out.println(linkedHashSet.containsAll(hashSet));
    			linkedHashSet.remove(14);
    			System.out.println(linkedHashSet.containsAll(hashSet));
    			hashSet.removeAll(linkedHashSet);
    			show(hashSet);
    			Object[] objs = treeSet.toArray();
    			show(objs);
    			Integer[] strs = treeSet.toArray(new Integer[0]);
    			show(strs);
    			for (Iterator<Integer> iterator2 = treeSet.iterator(); iterator2
    					.hasNext();) {
    				Integer data = iterator2.next();
    				System.out.print(data + "\t");
    			}
    			System.out.println();
    
    		}
    		// 要学习
    		java.util.StringTokenizer stringTokenizer;
    		{
    			String[] temps = "1,2,3,4,5,6".split(",");
    			show(temps);
    			stringTokenizer = new StringTokenizer("1,2,3,4,5,6,7,8,9", ",");
    			String[] datas = new String[stringTokenizer.countTokens()];
    			int i = 0;
    			while (stringTokenizer.hasMoreTokens()) {
    
    				String str = stringTokenizer.nextToken();
    				System.out.print(str + "\t");
    				datas[i] = str;
    				i++;
    			}
    			System.out.println();
    			show(datas);
    		}
    		java.util.Calendar calendar;
    		java.util.Date date;
    		{
    			calendar = Calendar.getInstance();
    			int year = calendar.get(Calendar.YEAR);
    			int month = calendar.get(Calendar.MONTH) + 1;
    			int day = calendar.get(Calendar.DAY_OF_MONTH);
    			int hours = calendar.get(Calendar.HOUR_OF_DAY);
    			int minute = calendar.get(Calendar.MINUTE);
    			int second = calendar.get(Calendar.SECOND);
    			System.out.println(year + "-" + month + "-" + day + " " + hours
    					+ ":" + minute + ":" + second);
    
    			date = new Date();
    			System.out.println(date.after(new Date(
    					System.currentTimeMillis() + 1000)));
    			System.out.println(date.compareTo(new Date(System
    					.currentTimeMillis() - 1000)));
    			SimpleDateFormat dateFormat = new SimpleDateFormat(
    					"yyyy-MM-dd HH:mm:ss");
    			String str = dateFormat.format(date);
    			System.out.println(str);
    
    		}
    
    		java.util.Random random;
    		{
    			random = new Random();
    			System.out.println(random.nextBoolean());
    			System.out.println(random.nextDouble());
    			System.out.println(random.nextFloat());
    			System.out.println(random.nextInt());
    			System.out.println(random.nextInt(15));
    			System.out.println(random.nextLong());
    			byte[] datas = new byte[10];
    			random.nextBytes(datas);
    			System.out.println(datas);
    			random.setSeed(10000);
    			System.out.println(random.nextInt());
    			System.out.println(random.nextInt());
    
    		}
    		java.util.Scanner scanner;
    		java.util.Timer timer;
    		java.util.TimerTask timerTask;
    		{
    
    			timer = new Timer();
    			timerTask = new TimerTask() {
    
    				@SuppressWarnings("deprecation")
    				@Override
    				public void run() {
    
    					System.out.println(new Date().toLocaleString());
    				}
    
    			};
    			timer.schedule(timerTask, 1000, 1000);
    			// timerTask.run();
    
    		}
    		java.util.TimeZone timeZone;
    		{
    			System.gc();
    			System.out.println(UUID.randomUUID());
    			timeZone = TimeZone.getDefault();
    			System.out.println(timeZone.getDisplayName());
    			/**
    			 * String[] strs=timeZone.getAvailableIDs(); for(String str:strs){
    			 * System.out.println(str); }
    			 */
    
    		}
    		java.lang.Character character;
    		{
    			character = Character.valueOf('f');
    			int data = Character.digit(character, 16);
    			System.out.println(data);
    			int data2 = Character.digit(5, 16);
    			System.out.println(data2);
    			System.out.println(Character.isDigit('b'));
    			System.out.println(Character.reverseBytes('a'));
    
    		}
    		java.lang.Process process;
    		{
    			process = Runtime.getRuntime().exec("cmd /c dir", null,
    					new File("."));
    			BufferedReader bufferedReader = new BufferedReader(
    					new InputStreamReader(process.getInputStream(), "GBK"));
    			String line;
    			while ((line = bufferedReader.readLine()) != null) {
    				System.out.println(line);
    			}
    			// ///
    			System.out.println("=======");
    			ProcessBuilder builder = new ProcessBuilder("java");
    			builder.directory(new File(
    					"C:\\Program Files\\Java\\jdk1.6.0_30\\bin"));
    			Process process2 = builder.start();
    			BufferedReader bufferedReader2 = new BufferedReader(
    					new InputStreamReader(process2.getInputStream(), "GBK"));
    			while ((line = bufferedReader2.readLine()) != null) {
    				System.out.println(line);
    			}
    
    		}
    		java.lang.Class<Integer> class1;
    		java.lang.CharSequence charSequence;
    		{
    			java.lang.ClassLoader.getSystemResource("file.xml");
    
    			charSequence = "wujianhua";
    			System.out.println(charSequence.charAt(6));
    			System.out.println(charSequence.length());
    			System.out.println(charSequence.subSequence(2, 5));
    			System.out.println(charSequence.hashCode());
    
    		}
    
    		java.lang.Number number;
    		java.lang.Package package1;
    		{
    			/**
    			 * Package[] datas=Package.getPackages(); for(Package
    			 * package2:datas){ System.out.println(package2.getName()); }
    			 */
    			package1 = Package.getPackage("java.lang");
    			System.out.println(package1.getImplementationTitle());
    			System.out.println(package1.getImplementationVendor());
    			System.out.println(package1.getImplementationVersion());
    			System.out.println(package1.getSpecificationTitle());
    			System.out.println(package1.getSpecificationVendor());
    			System.out.println(package1.getSpecificationVersion());
    			System.out.println(package1.getDeclaredAnnotations());
    			System.out.println(package1.isSealed());
    
    		}
    		java.lang.String string;
    		{
    			System.out.println("".isEmpty());
    
    		}
    
    		// 学习的接口
    
    		java.util.Comparator<Integer> comparator;
    		java.util.RandomAccess randomAccess;
    		java.util.SortedMap<Integer, String> sortedMap;
    		java.util.SortedSet<Integer> sortedSet;
    
    		java.applet.Applet applet;
    		java.io.File file;
    		java.io.FileFilter fileFilter;
    
    		java.io.PrintWriter printWriter;
    		{
    			try {
    				printWriter = new PrintWriter(new BufferedWriter(
    						new FileWriter("writer.txt")));
    				printWriter.append("你好");
    				printWriter.append(",");
    				printWriter.append("云守护");
    				printWriter.println();
    				printWriter.print("呵呵");
    				printWriter.write("测试");
    				printWriter.println(new BigInteger("123456789"));
    
    				printWriter.flush();
    				printWriter = new PrintWriter(System.out);
    				printWriter.println("问鼎天下");
    				printWriter.write("顺手牵羊");
    				printWriter.flush();
    				printWriter.close();
    
    			} catch (IOException e) {
    				e.printStackTrace();
    			}
    
    		}
    		java.io.RandomAccessFile randomAccessFile;
    		{
    			try {
    				randomAccessFile = new RandomAccessFile("test.txt", "rw");
    				randomAccessFile.write("雨无声".getBytes());
    				randomAccessFile.writeUTF("男");
    				randomAccessFile.write(22);
    				// again
    				randomAccessFile.write("云守护".getBytes());
    				randomAccessFile.writeUTF("女");
    				randomAccessFile.write(21);
    				randomAccessFile.close();
    				RandomAccessFile randomAccessFile2 = new RandomAccessFile(
    						"test.txt", "rw");
    				randomAccessFile2.skipBytes(6);
    				System.out.println(randomAccessFile2.getFilePointer());
    				System.out.println(randomAccessFile2.readUTF());
    				randomAccessFile2.skipBytes(1);
    				byte[] names = new byte[6];
    				randomAccessFile2.read(names);
    				System.out.println(new String(names));
    				randomAccessFile2.seek(0);
    				randomAccessFile2.read(names);
    				System.out.println(new String(names));
    			} catch (Exception e) {
    				e.printStackTrace();
    			}
    			if (true) {
    				return;
    			}
    
    		}
    
    		/** 软引用 */
    		java.lang.ref.SoftReference<Integer> softReference;
    		{
    			Integer data = 0;
    			softReference = new SoftReference<Integer>(data);
    			data = softReference.get();
    			if (data == null) {
    				data = softReference.get();
    			}
    			System.out.println(data);
    
    		}
    		java.math.BigDecimal bigDecimal = new BigDecimal("123456789");
    
    		System.out.println("====bigInteger===");
    		java.math.BigInteger bigInteger = new BigInteger("123456789");
    		{
    			System.out.println(bigInteger.abs() + "\t" + bigInteger.bitCount()
    					+ "\t" + bigInteger.bitLength());
    			System.out.println(bigInteger.doubleValue());
    			System.out.println(bigInteger.floatValue());
    			System.out.println(bigInteger.longValue());
    			System.out.println(bigInteger.intValue());
    			System.out.println(bigInteger.divide(new BigInteger("11111111")));
    			// System.out.println(bigInteger);
    			System.out.println(bigInteger.multiply(new BigInteger("2")));
    			System.out
    					.println(bigInteger.subtract(new BigInteger("111111111")));
    			System.out.println(bigInteger.add(new BigInteger("111111111")));
    
    		}
    		java.net.HttpURLConnection httpURLConnection;
    		java.net.Socket socket;
    		java.net.URI uri;
    		java.net.URLConnection urlConnection;
    
    		java.net.FileNameMap fileNameMap = new FileNameMap() {
    
    			@Override
    			public String getContentTypeFor(String fileName) {
    
    				return "txt";
    			}
    
    		};
    
    		System.out.println(fileNameMap.getContentTypeFor("d:\test.txt"));
    
    		java.util.regex.Matcher matcher;
    		java.util.regex.Pattern pattern;
    
    		System.out.println("====zipFile===");
    		java.util.zip.ZipFile zipFile;
    		{
    			File file2 = new File(".");
    			System.out.println(file2.getAbsolutePath());
    			try {
    				zipFile("file.doc", "file.zip", "file.doc");
    				unZip("file.zip", "d:/test/");
    			} catch (Exception e) {
    				e.printStackTrace();
    			}
    
    		}
    		javax.crypto.Cipher cipher;
    		System.out.println("====collections===");
    		Collections collections;
    		{
    			List<Integer> list2 = new ArrayList<Integer>();
    			Collections.addAll(list2, 12, 45, 62, 98, 32, 41, 15, 24, 3, 4);
    			Collections.sort(list2);// 排序
    			show(list2);
    			int pos = 0;
    			if ((pos = Collections.binarySearch(list2, 15)) != -1) {
    
    				System.out.println("二分查找到的位置：" + pos);
    			}
    			;
    			// 初始化，让list3.size()>0,然后才可以进行深拷贝
    			List<Integer> list3 = new ArrayList<Integer>(Arrays
    					.asList(new Integer[list2.size()]));
    			System.out.println(list3.size());
    			Collections.copy(list3, list2);// 拷贝
    			show(list3);
    			System.out.println("最大值：" + Collections.max(list3));
    			System.out.println("最小值:" + Collections.min(list3));
    			// 枚举集合
    			Enumeration<Integer> enumerations = Collections.enumeration(list2);
    			show(enumerations);
    			List<Integer> list4 = new ArrayList<Integer>();
    			// 返回一个安全的集合
    			list4 = Collections.synchronizedList(list3);
    			show(list4);
    			// 反转集合
    			Collections.reverse(list3);
    			show(list3);
    
    		}
    
    	}
    
    	@SuppressWarnings("unchecked")
    	private static void show(Queue queue) {
    		for (Object obj : queue) {
    			System.out.print("\t" + obj);
    		}
    		System.out.println();
    
    	}
    
    	private static void show(Map<Integer, String> maps) {
    		Set<Integer> keySet = maps.keySet();
    		// Set<Map.Entry<Integer, String>> entrySet=maps.entrySet();
    		for (Iterator<Integer> iterator = keySet.iterator(); iterator.hasNext();) {
    			Integer key = iterator.next();
    			String value = maps.get(key);
    			System.out.print("key=" + key + "\tvalue=" + value + "\t");
    		}
    		System.out.println();
    	}
    
    	private static void show(Object[] objs) {
    		for (Object data : objs) {
    			System.out.print(data + "\t");
    		}
    		System.out.println();
    	}
    
    	@SuppressWarnings("unchecked")
    	private static void show(Set hashSet) {
    
    		for (Object data : hashSet) {
    			System.out.print(data + "\t");
    		}
    		System.out.println();
    
    	}
    
    	public static void show(List<Integer> datas) {
    		for (Integer data : datas) {
    			System.out.print(data + "\t");
    		}
    		System.out.println();
    
    	}
    
    	public static void show(Vector<Integer> datas) {
    
    		for (Integer data : datas) {
    
    			System.out.print(data + "\t");
    		}
    		System.out.println();
    
    	}
    
    	public static void show(Enumeration<Integer> datas) {
    
    		for (Enumeration<Integer> e = datas; e.hasMoreElements();) {
    			System.out.print(e.nextElement() + "\t");
    		}
    		System.out.println();
    
    	}
    
    	public static void show(String[] datas) {
    		for (String data : datas) {
    			System.out.print(data + "\t");
    		}
    		System.out.println();
    	}
    
    	/** 压缩 */
    	public static void zipFile(String srcFilePath, String destZipFilePath,
    			String fileName) throws Exception {
    		File file = new File(destZipFilePath);
    		int leng = 0;
    		byte[] b = new byte[1024];
    		// 压缩
    		ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(file));
    
    		// 被压缩的文件
    		FileInputStream fis = new FileInputStream(srcFilePath);
    		// 在压缩包中的路径
    		ZipEntry z1 = new ZipEntry(fileName);
    		zos.putNextEntry(z1);
    
    		while ((leng = fis.read(b)) != -1) {
    			zos.write(b, 0, leng);
    		}
    		zos.close();
    		fis.close();
    	}
    
    	@SuppressWarnings("unchecked")
    	public static void unZip(String fileName, String unZipDir) throws Exception {
    		// 先判断目标文件夹是否存在，如果不存在则新建，如果父目录不存在也新建
    		File f = new File(unZipDir);
    		if (!f.exists()) {
    			f.mkdirs();
    		}
    		BufferedOutputStream dest = null;
    		BufferedInputStream is = null;
    		ZipEntry entry;
    		ZipFile zipfile = new ZipFile(fileName);
    		Enumeration e = zipfile.entries();
    		while (e.hasMoreElements()) {
    			entry = (ZipEntry) e.nextElement();
    			// System.out.println("Extracting: " + entry);
    			is = new BufferedInputStream(zipfile.getInputStream(entry));
    			int count;
    			byte data[] = new byte[1024];
    			FileOutputStream fos = new FileOutputStream(unZipDir + "/"
    					+ entry.getName());
    			// System.out.println("entry.getName(): " + entry.getName());
    			dest = new BufferedOutputStream(fos, 1024);
    			while ((count = is.read(data, 0, 1024)) != -1) {
    				dest.write(data, 0, count);
    			}
    			dest.flush();
    			dest.close();
    			is.close();
    		}
    	}
    
    	public static boolean makeDir(String unZipDir) {
    		boolean b = false;
    		try {
    			File f = new File(unZipDir);
    			if (!f.exists()) {
    				b = f.mkdirs();
    			}
    		} catch (Exception e) {
    			e.printStackTrace();
    			return b;
    		}
    		return b;
    	}
    }