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 .......
........
........
------解决方案--------------------
你预想的怎样输出......
------解决方案--------------------
- Java code
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"); } }}