txt里的内容是:
111:02-98781999:Williams:Nick:T:35:Computer Officer:14-10-2000
131:02-95673456:Couch:David:A:26:Consultant:23-04-1994
553:03-99999999:Coles:David:M:12:Manager:12-12-1999
148:02-93272658:Smith:John:C:43:Technical Manager:21-10-1988
372:02-12345678:Miller:Sam:B:22:Engineer:12-03-1998
059:02-95673455:Chen:Xiao:Y:26:Consultant:01-05-2003
对他进行格式化,也就是按工号排序,输出的内容是这样:
059 02-.........
111 02-98781999 Williams .......
........
........
111:02-98781999:Williams:Nick:T:35:Computer Officer:14-10-2000
131:02-95673456:Couch:David:A:26:Consultant:23-04-1994
553:03-99999999:Coles:David:M:12:Manager:12-12-1999
148:02-93272658:Smith:John:C:43:Technical Manager:21-10-1988
372:02-12345678:Miller:Sam:B:22:Engineer:12-03-1998
059:02-95673455:Chen:Xiao:Y:26:Consultant:01-05-2003
对他进行格式化,也就是按工号排序,输出的内容是这样:
059 02-.........
111 02-98781999 Williams .......
........
........
059 02-95673455 Chen Xiao Y 26 Consultant 01-05-2003
111 02-98781999 Williams Nick T 35 Computer Officer 14-10-2000
131 02-95673456 Couch David A 26 Consultant 23-04-1994
148 02-93272658 Smith John C 43 Technical Manager 21-10-1988
372 02-12345678 Miller Sam B 22 Engineer 12-03-1998
553 03-99999999 Coles David M 12 Manager 12-12-1999
按工号排列的
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
public class StringTest { public static void main(String[] args)throws Exception {
BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream("1.txt")));
TreeMap<Integer,String> maps = new TreeMap<Integer,String>();
String line = null;
while((line=in.readLine())!=null){
int i = line.indexOf(":");
String str1 = line.substring(0,i);
int key = Integer.parseInt(str1);
String str2 = line.substring(i+1);
maps.put(key, str2);
}
Set<Map.Entry<Integer, String>> set = maps.entrySet();
for(Map.Entry<Integer, String> entry:set){
String str = entry.getValue();
String[]s = str.split(":");
System.out.print(entry.getKey()+" ");
for(String e:s){
System.out.print(e+" ");
}
System.out.println("\n");
}
}}