有两个文件context.txt和words.conf,请尝

 public class MergeText {
	public static void main(String[] args) {
		String a="并不是每个人都需要$(qunar)自己的粮食，$(flight.1)每个人都需要做自己穿的$(flight.2)，"
		+"我们说着别人发明的$(hotel)，使用别人发明的数学......我们一直在$(tuan)别人的成果。"
		+"使用人类的已有经验和知识来进行$(travel.1)，是一件$(travel.2)的事情。";
		System.out.println(f(a));
	}
	public static String f(String s){
		StringBuffer sb=new StringBuffer();
		StringBuffer sb2=new StringBuffer();
		int j=0;
		Map map=new HashMap();
		map.put("flight.1", "也不是");
		map.put("flight.2", "衣服");
		map.put("qunar", "种植");
		map.put("hotel", "语言");
		map.put("tuan", "使用");
		map.put("travel.1", "发明创造");
		map.put("travel.2", "很了不起");
		for(int i=0;i<s.length();i++){
			if(s.charAt(i)!='$'){
				sb.append(s.charAt(i));
				
			}else{
				
				for(j=i;;j++){
					sb2.append(s.charAt(j));
					if(s.charAt(j)==')'){	
						break;
					}
				}
				String a=new String(sb2);
				String a2=a.substring(2,a.length()-1);
				sb.append((map.get(a2)).toString());
				sb2.delete(0, sb2.length());
				i=j;
			}
		}
		return new String(sb);
	}
}

package qunar;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;


public class Merge2File {
	public static void main(String args[]){
		File context=new File("C:/Users/mao/nowCode/context.txt");
		File word=new File("C:/Users/mao/nowCode/word.conf");
		HashMap<String,String> wordsMap=new HashMap<String, String>();
		try {
			//word.conf以GBK方式编码
			BufferedReader wordReader=new BufferedReader((new InputStreamReader(new FileInputStream(word), "GBK")));  
			String temp=new String(wordReader.readLine().getBytes(),"UTF-8");
			
	    /***word.conf文件以UTF-8方式编码
			BufferedReader wordReader=new BufferedReader(new FileReader(word));
			String temp=wordReader.readLine();
			wordReader.read();
			//UTF-8编码格式的文件有一个文件头EF BB BF（65279）,需要去掉
       ********/
 
			while(temp!=null){
				String key=temp.split("=")[0];
				String[] values=temp.split("=")[1].split("：");
				if(values.length==1){
					wordsMap.put(key, values[0]);
					temp=wordReader.readLine();
				}
				else{
					for(int i=0;i<values.length;i++){
						wordsMap.put(key+"."+(i+1), values[i]);
					}
					
					temp=wordReader.readLine();
				}
				
			}
			BufferedReader reader=new BufferedReader(new FileReader(context));
			char[] buf=new char[(int) context.length()];
			reader.read(buf);
			StringBuffer contextString=new StringBuffer(new String(buf));
			int start=contextString.indexOf("$(", 0);
			while(start>0){
				int end=contextString.indexOf(")", start);
				String target=new String(contextString.substring(start+2, end));
				String value= wordsMap.get(target);
				contextString=contextString.replace(start, end+1, value);
				start=contextString.indexOf("$(", end);
			}
			System.out.println(contextString);
		} catch (IOException e) {
			e.printStackTrace();
		}
		
	}
}