与心灵对话

/**
  * 实现测试：串匹配和词频统计功能
  */
 public  void largerTextExample()
 {
  String text = "你好abc,ac,abc,def,ac,okt, ac,dfdfe, ac , what is it 你好啊,bc";
  String[] terms = {"你好","ac", "abc", "bc"};
  for (int i = 0; i < terms.length; i++)
  {
   
   tree.add(terms[i].getBytes(), terms[i]);
   System.out.println( terms[i]);
  }
  tree.prepare();

  Set termsThatHit = new HashSet();
  Iterator iter = tree.search(text.getBytes());
  
//  统计词频
  Map<String, Integer> freqCount = new HashMap<String, Integer>();
  for (; iter.hasNext();)
  {
   SearchResult result = (SearchResult) iter.next();
   Set set = result.getOutputs();
   System.out.println(set);
   for(Iterator it = set.iterator();it.hasNext();)
   {
    String str = (String)it.next();
    if( freqCount.get(str) == null)
     freqCount.put(str, 1);
    else
     freqCount.put(str, freqCount.get(str)+1);
   }
  }
  for(String key: freqCount.keySet())
  {
   System.out.println( "key = " + key + ", value "+ freqCount.get(key) );
  }

------------结果-------------------------
你好
ac
abc
bc
[你好]
[abc, bc]
[ac]
[abc, bc]
[ac]
[ac]
[ac]
[你好]
[bc]
key = abc, value 2
key = 你好, value 2
key = ac, value 4
key = bc, value 3