package com.test;




import java.util.HashMap;

import java.util.Map;




public class StringFormat {




 public static String format(String input, Map<String, String> map) {

  // 遍历map,用value替换掉key

  for (Map.Entry<String, String> entry : map.entrySet()) {

   input = input.replace(entry.getKey(), entry.getValue());

  }

  return input;

 }




 public static void main(String[] args) {

  Map<String, String> map = new HashMap<String, String>();

  map.put("$1", "value1");

  map.put("$2", "value2");

  map.put("$3", "value3");

  System.out.println("结果:" + StringFormat.format("$1$2$3", map));

  // 结果:value1value2value3

 }




}