日期:2014-05-20 浏览次数:21120 次
public int computeNumOfWord (String word){//查找的单词
this.openReader();
String lineStr = new String();
int countOfWord = 0;
Pattern patternOfWord = Pattern.compile("这里要写上正则表达式");
Matcher m;
try {
while ( (lineStr = this.in.readLine()) != null ){
m = patternOfWord.matcher(lineStr);
if (m.matches())//如果匹配
countOfWord++;//则+1
}
this.closeReader();
return countOfWord;
}
catch (IOException e) {
e.printStackTrace();
}
this.closeReader();
return 0;
}
public int computeNumOfWord (String word){//查找的单词
this.openReader();
String lineStr = new String();
int countOfWord = 0;
Pattern patternOfWord = Pattern.compile(word); //就是查找的单词
Matcher m;
try {
while ( (lineStr = this.in.readLine()) != null ){
m = patternOfWord.matcher(lineStr);
//if (m.matches())//如果匹配
while (m.find()) //如果能找到匹配
countOfWord++;//则+1
}
this.closeReader();
return countOfWord;
}
catch (IOException e) {
e.printStackTrace();
}
this.closeReader();
return 0;
}
------解决方案--------------------
Pattern patternOfWord = Pattern.compile("这里要写上正则表达式");
写上单词就可以,两边加个空格。
if (m.matches())//如果匹配
改为if (m.find())