public static void main(String[] args) {

getChaXun();

}

/**

* @param year 输入的年

* @param c Counyry对象

* @return 日志中追加的后缀

*/

public static String Panduan(String year,Country c) {

String string=null;

if (year.equals("1")) {

string="进行了“查询年份------"+c.getNianfen();

}else if (year.equals("2")) {

string="进行了“查询举办地------"+c.getJubanji();

}else if (year.equals("3")) {

string="进行了“查询冠军国------"+c.getHuojiangguojia();

}

return string;

}

/**

* 开始查询

*/

public static void getChaXun() {

Scanner scanner=new Scanner(System.in);

System.out.println("您是要：1.查询年份 2.查询举办地 3. 查询冠军国 0.退出");

System.out.println("请输入查询方式：");

String year1=scanner.next();

BufferedReader reader=null;

BufferedWriter writ=null;

StringBuffer sb=null;

Country country=null;

try {

reader=new BufferedReader(new FileReader("message.txt"));

writ=new BufferedWriter(new FileWriter("查询记录.log",true));

String read = null;

String str=" 年份 举办地 冠军国 查询时间";

writ.write(str+"\n");

writ.write("---------------------------------------------------------------------------------------------------------------------------------------"+"\n");

if (year1.compareTo("0")!=0) {

System.out.println("请输入年份、举办地、或者是冠军国：");

String year=scanner.next();

while ((read=reader.readLine())!=null) {

String[] split = read.split("\\|");

// System.out.println(split.length);

if (read.indexOf("|")>0) {

country=new Country( split[0], split[1], split[2]);

switch (year1) {

case "1":

if (year.equals(split[0])) {

System.out.println("举办地："+country.getJubanji()+"；获奖国家："+country.getHuojiangguojia());

String panduan = Panduan(year1, country);

String string=country.getNianfen()+" "+country.getJubanji()+" "

+country.getHuojiangguojia()+" "+new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date())+

panduan+

"\n";

writ.write(string);

//list.add(country);

}

break;

case "2":

if (year.equals(split[1])) {

System.out.println(country);

String panduan = Panduan(year1, country);

String string=country.getNianfen()+" "+country.getJubanji()+" "

+country.getHuojiangguojia()+" "+new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date())+

panduan+

"\n";

writ.write(string);

//list.add(country);

}

break;

case "3":

if (year.equals(split[2])) {

System.out.println(country);

String panduan = Panduan(year1, country);

String string=country.getNianfen()+" "+country.getJubanji()+" "

+country.getHuojiangguojia()+" "+new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date())+

panduan+

"\n";

writ.write(string);

//list.add(country);

}

break;

default:

break;

}

}else{

System.out.println("谢谢查询");

}

}

} else {

System.out.println("已退出");

}

writ.flush();

} catch (FileNotFoundException e) {

e.printStackTrace();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}finally {

if (null!=reader) {

scanner.close();

try {

reader.close();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}

}

public class Country {

/*年份*/

protected String nianfen;

/*举办地*/

protected String jubanji;

/*获奖国家*/

protected String huojiangguojia;

public Country(String nianfen, String jubanji, String huojiangguojia) {

super();

this.nianfen = nianfen;

this.jubanji = jubanji;

this.huojiangguojia = huojiangguojia;

}

public String getNianfen() {

return nianfen;

}

public void setNianfen(String nianfen) {

this.nianfen = nianfen;

}

public String getJubanji() {

return jubanji;

}

public void setJubanji(String jubanji) {

this.jubanji = jubanji;

}

public String getHuojiangguojia() {

return huojiangguojia;

}

public void setHuojiangguojia(String huojiangguojia) {

this.huojiangguojia = huojiangguojia;

}

@Override

public String toString() {

return " " + nianfen + " " +jubanji + " " + huojiangguojia +" "+new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date());

}

}