js实现将数字金额翻译成中文的大写金额

怼烎@ 2023-02-18 08:17 12阅读 0赞

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一个实用的js函数，工作可以经常用到，上代码！

### 效果 ###

![在这里插入图片描述][20200616194234121.gif]

### 代码 ###

<!DOCTYPE html>
    <html>
    	<head>
    		<meta charset="utf-8" />
    		<title></title>
    	</head>
    	<script>
    		function ChineseNumber() { 
    			 amount = document.getElementById("numb").value;
    			if (amount != '' && amount.substring(0, 1) == '-')
    				return "";
    			if (!/^\d*(\.\d*)?$/.test(amount)) { 
    				$("input[id$=amount]").val("");
    				return "";
    			}
    			var AA = new Array("零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖");
    			var BB = new Array("", "拾", "佰", "仟", "万", "亿", "元", "");
    			var a = ("" + amount).replace(/(^0*)/g, "").split("."), k = 0, re = "";
    			for ( var i = a[0].length - 1; i >= 0; i--) { 
    				switch (k) { 
    				case 0:
    					re = BB[7] + re;
    					break;
    				case 4:
    					if (!new RegExp("0{4}\\d{" + (a[0].length - i - 1) + "}$")
    							.test(a[0]))
    						re = BB[4] + re;
    					break;
    				case 8:
    					re = BB[5] + re;
    					BB[7] = BB[5];
    					k = 0;
    					break;
    				}
    				if ((k % 4 == 2 || k % 4 == 3) && a[0].charAt(i + 2) != 0
    						&& a[0].charAt(i + 1) == 0)
    					re = AA[0] + re;
    				if ((k % 4 == 3) && a[0].charAt(i) == 0 && a[0].charAt(i + 1) != 0)
    					re = AA[0] + re;
    				if ((k % 4 == 3) && a[0].charAt(i - 1) == 0 && a[0].charAt(i) != 0) { 
    					if (a[0].charAt(i - 2)) { 
    						re = AA[0] + AA[a[0].charAt(i)] + BB[k % 4] + re;
    					} else { 
    						re = AA[a[0].charAt(i)] + BB[k % 4] + re;
    					}
    				} else { 
    					if (a[0].charAt(i) != 0) { 
    						re = AA[a[0].charAt(i)] + BB[k % 4] + re;
    					}
    				}
    				k++;
    			}
    			if (a.length > 1) {  // 加上小数部分(如果有小数部分)
    				if ((a[1].charAt(0) == 0) && (a[1].charAt(1) == 0)) { 
    					re += BB[6];
    					re += "整";
    				} else { 
    					if (re == "") { // 角是最高位
    						if (a[1].charAt(0) != "0") { // 角不为“零”
    							re += AA[a[1].charAt(0)];
    							re += "角";
    						}
    					} else { // 角不是最高位
    						re += BB[6];// 加上“元”
    						re += AA[a[1].charAt(0)];
    						if (a[1].charAt(0) != "0") { // 角不为零
    							re += "角";
    						}
    					}
    					if (a[1].charAt(1) != 0) { 
    						re += AA[a[1].charAt(1)];
    						re += "分";
    					}
    				}
    			} else { 
    				re += BB[6];
    			}
    			 document.getElementById("demo").innerHTML = re;
    		}
    	</script>
    	<body>
    		<h1>数字金额转换中文</h1>
    		
    		<p>请输入金额数字：</p>
    		
    		<input id="numb">
    		
    		<button type="button" onclick="ChineseNumber()">提交</button>
    		
    		<p id="demo"></p>
    	</body>
    </html>

[20200616194234121.gif]: https://img-blog.csdnimg.cn/20200616194234121.gif