yi er san si wu liu qi ba jiu 分別對應123456789(兩年後版本)

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	public static void getNum(String input){
		String[] pinyins = {"yi","er","san","si","wu","liu","qi","ba","jiu"};
		for (int i = 0; i < pinyins.length; i++) {
			String pinyin = pinyins[i];
			input = input.replace(pinyin, i+1 + "");
		}
		
		System.out.println(input);
		
	}