【Java 实现】汉字转化为数字
把⼀个汉字转化为对应的阿拉伯数字,代码如下:import *;public class Main { public static void main (String [] args ) { Main m =new Main (); System .out .println (m .toNumber ("四亿七百六⼗万五千四百零九")); } HashMap <Character ,Integer > number =new HashMap <>(){{ put ('⼀',1); put ('⼆',2); put ('三',3); put ('四',4); put ('五',5); put ('六',6); put ('七',7); put ('⼋',8); put ('九',9); }}; HashMap <Character ,Integer > digit =new HashMap <>(){{ put ('⼗',10); put ('百',100); put ('千',1000); put ('万',10000); put ('亿',100000000); }}; List <Integer > temp =new ArrayList <>(); public int toNumber (String str ){ boolean ok =process (str ); int res =0; if (ok ){ for (int i :temp ){ res +=i ; } } return res ; } public boolean process (String input ){ if (input .equals ("")) return true ; else if (digit .containsKey (input .charAt (0))){ if (temp .size ()==0 || temp .get (temp .size ()-1) >= digit .get (input .charAt (0))){ return false ; } int cur =0; while (temp .size ()>=1 && temp .get (temp .size ()-1) < digit .get (input .charAt (0))){ cur +=temp .get (temp .size ()-1); temp .remove (temp .size ()-1); } temp .add (cur *digit .get (input .charAt (0))); return process (input .substring (1)); }else if (number .containsKey (input .charAt (0))){ temp .add (number .get (input .charAt (0))); return proc
ess (input .substring (1)); }else if (input .charAt (0)=='零'){ return process (input .substring (1)); }else {
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return false ; } }}6061626364
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