Kryo框架使用方法代码示例

</pre><pre name="code" class="java"> private static void testString () { 
  Kryo kryo=new Kryo(); 
  String w_str1="简体中文，繁體中文，English"; 
  //把w_str1对象序列化 
  Output output=new Output(1024); 
  kryo.writeObject(output, w_str1); 
  output.flush(); 
  output.close(); 
  byte[] w_ret= output.toBytes(); //获得byte数据,这些数据可用作储存、网络传输等... 
  //还原 
  Input input=new Input(w_ret); 
  input.close(); 
  String w_str2=kryo.readObject(input, String.class); 
  System.out.println(w_str2); 
 } 

public static void testHashMap() throws NoSuchAlgorithmException{ 
  Kryo kryo=new Kryo();    
  HashMap h=new HashMap(); 
  h.put("k1", "v1"); 
  h.put("k2", "v2"); 
  Output output=new Output(1, 1024);  
  kryo.writeObject(output, h); 
  output.close(); 
  byte[] data=output.toBytes(); 
  Input i=new Input(data); 
  i.close(); 
  HashMap h2= (HashMap)kryo.readObject(i, HashMap.class); 
  System.out.println(h2.get("k2"));   
 } 

public static class TestBean implements Serializable{ 
  private int[] intArray; 
  private HashMap<String,String> hashMapVal; 
  private String strVal; 
  public int[] getIntArray () { 
   return intArray; 
  } 
  public void setIntArray (int[] intArray) { 
   this.intArray = intArray; 
  } 
  public HashMap<String, String> getHashMapVal () { 
   return hashMapVal; 
  } 
  public void setHashMapVal (HashMap<String, String> hashMapVal) { 
   this.hashMapVal = hashMapVal; 
  } 
  public String getStrVal () { 
   return strVal; 
  } 
  public void setStrVal (String strVal) { 
   this.strVal = strVal; 
  } 
 } 

public static void testBean() throws NoSuchAlgorithmException{ 
  Kryo kryo=new Kryo(); 
  kryo.register(TestBean.class,new BeanSerializer(kryo, TestBean.class)); 
  TestBean tb1=new TestBean(); 
  tb1.setStrVal("test1"); 
  tb1.setHashMapVal(new HashMap<String,String>()); 
  tb1.getHashMapVal().put("k1", "v1"); 
  tb1.getHashMapVal().put("k2", "v2"); 
  int[] ints=new int[3]; 
  ints[0]=1; 
  ints[1]=2; 
  ints[2]=3; 
  tb1.setIntArray(ints); 
  Output output=new Output(1, 1024);  
  kryo.writeObject(output, tb1); 
  output.close(); 
  byte[] data=output.toBytes(); 

Input i=new Input(data); 
 i.close(); 
 TestBean tb2= (TestBean)kryo.readObject(i, TestBean.class); 
 System.out.println(tb2.strVal); 
 System.out.println(tb2.hashMapVal.get("k1")); 
 System.out.println(tb2.intArray[2]);     
}