package com.test;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.Scanner;
public class FileWordCount {
public static void checkWord(String file,String word) throws IOException {
//由于是可读字符文件
FileReader fr=new FileReader(new File(file));
BufferedReader bfr=new BufferedReader(fr);
int count=0;
String str="";
//每次读取一行
while((str=bfr.readLine())!=null) {
int len=str.indexOf(word);
//读取每一行里有没有这个单词
while(len!=-1) {
count++;
//
len=str.indexOf(word,len+word.length());
}
}
System.out.println("文件中存在"+count+"个"+word);
bfr.close();
fr.close();
}
public static void main(String[] args) throws IOException {
// TODO Auto-generated method stub
Scanner sc=new Scanner(System.in);
System.out.println("请输入文件路径:");
String file=sc.nextLine();
while(true) {
System.out.println("请输入要查找的单词:");
String word=sc.nextLine();
checkWord(file,word);
}
}
}