js阿拉伯数字转换罗马数字

最新推荐文章于 2024-07-30 20:46:23 发布

原创最新推荐文章于 2024-07-30 20:46:23 发布 · 320 阅读

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本文深入探讨了将十进制数转换为罗马数字的函数实现，包括解析过程、代码实现及应用实例。

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function toRoman(num){
			if(isNaN(num)) return num;
			
			var a=[["","I","II","III","IV","V","VI","VII","VIII","IX"],
                          ["","X","XX","XXX","XL","L","LX","LXX","LXXX","XCC"],
                          ["","C","CC","CCC","CD","D","DC","DCC","DCCC","CM"]];
			var roman = "";
			var t=0;
			for(var m=0, i=1000; m<3; m++,i/=10){
             	t=Math.floor((num%i)/(i/10));
            	roman += a[2-m][t];
            }
			return roman;
		}