从文件中读取数据 通过用户输入年份获取世界杯冠军的国家 通过输入国家查获获得冠

01

02

03

04

05

06

07

08

09

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

package h18;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.FileWriter;

import java.io.IOException;

import java.io.InputStreamReader;

import java.util.Scanner;

public class Test01   {

   public static void main(String[]   args) {

 File file=new File("C:\\Exercise2\\pa\\message.txt");

//  FileReader fr=null;

 InputStreamReader isr=null;

 BufferedReader br=null;

 try {

//fr=new FileReader(file);

isr=new InputStreamReader(new FileInputStream(file),"GBK");

br=new BufferedReader(isr);

String r;

String str="";

while((r=br.readLine())!=null){

str=str+r+",";

}

System.out.println(str);

String str2[]=str.split(",");

System.out.println("*************************");

for (String s : str2) {

System.out.println(s);

}

Scanner sc=new Scanner(System.in);

System.out.println("请输入年份!");

String year=sc.next();

for(int i=0;i<str2.length;i++){ if(str2[i].equals(year)){="" system.out.println(str2[i+2]);="" break;="" }="" system.out.println("请输入国家!");="" string="" country="sc.next();" for(int="" i="0;i<str2.length;i+=2){" if(str2[i].equals(country)){="" system.out.println(str2[i-2]);="" br.close();="" isr.close();="" catch="" (filenotfoundexception="" e)="" {="" todo="" auto-generated="" block="" e.printstacktrace();="" (ioexception="" }<="" pre=""></str2.length;i++){>