|  |  |  | @ -21,8 +21,27 @@ public class BaseConverter { | 
			
		
	
		
			
				
					|  |  |  |  |             int digit = Character.isDigit(c) ? c - '0' : c - 'A' + 10; | 
			
		
	
		
			
				
					|  |  |  |  |             result += digit * Math.pow(base, power++); | 
			
		
	
		
			
				
					|  |  |  |  |         } | 
			
		
	
		
			
				
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					|  |  |  |  |         return result; | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  |     /** | 
			
		
	
		
			
				
					|  |  |  |  |      * 将十进制整数转换为目标进制的字符串 | 
			
		
	
		
			
				
					|  |  |  |  |      * | 
			
		
	
		
			
				
					|  |  |  |  |      * @param decimal 十进制整数 | 
			
		
	
		
			
				
					|  |  |  |  |      * @param targetBase 目标进制的基数 | 
			
		
	
		
			
				
					|  |  |  |  |      * @return 目标进制的字符串表示 | 
			
		
	
		
			
				
					|  |  |  |  |      */ | 
			
		
	
		
			
				
					|  |  |  |  |     public static String fromDecimal(int decimal, int targetBase) { | 
			
		
	
		
			
				
					|  |  |  |  |         if (decimal == 0) { | 
			
		
	
		
			
				
					|  |  |  |  |             return "0"; | 
			
		
	
		
			
				
					|  |  |  |  |         } | 
			
		
	
		
			
				
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					|  |  |  |  |         StringBuilder result = new StringBuilder(); | 
			
		
	
		
			
				
					|  |  |  |  |         while (decimal > 0) { | 
			
		
	
		
			
				
					|  |  |  |  |             result.insert(0, DIGITS[decimal % targetBase]); | 
			
		
	
		
			
				
					|  |  |  |  |             decimal /= targetBase; | 
			
		
	
		
			
				
					|  |  |  |  |         } | 
			
		
	
		
			
				
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					|  |  |  |  |         return result.toString(); | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
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					|  |  |  |  | } |