财务web处理的时候经常需要把数字金额转为中文大写,用一个JavaScript客户端脚本来实现自动转换,只需在需要显示大写金额的时候调用该JS函数,而且也可很好的与动态语言相结合,可将最初的小写金额从数据库中读取出来,然后将值输入进JS函数,自动实现人民币金额的大写转换
<script type="text/javascript" language="javascript"> function Arabia_to_Chinese(Num) { for(i=Num.length-1;i>=0;i--) { Num = Num.replace(",","")//替换tomoney()中的“,” Num = Num.replace(" ","")//替换tomoney()中的空格 } Num = Num.replace("¥","")//替换掉可能出现的¥字符 if(isNaN(Num)) { //验证输入的字符是否为数字 alert("请检查小写金额是否正确"); return; } //字符处理完毕后开始转换,采用前后两部分分别转换 part = String(Num).split("."); newchar = ""; //小数点前进行转化 for(i=part[0].length-1;i>=0;i--) { if(part[0].length > 10) { alert("位数过大,无法计算"); return ""; }//若数量超过拾亿单位,提示 tmpnewchar = "" perchar = part[0].charAt(i); switch(perchar) { case "0": tmpnewchar="零" + tmpnewchar ;break; case "1": tmpnewchar="壹" + tmpnewchar ;break; case "2": tmpnewchar="贰" + tmpnewchar ;break; case "3": tmpnewchar="叁" + tmpnewchar ;break; case "4": tmpnewchar="肆" + tmpnewchar ;break; case "5": tmpnewchar="伍" + tmpnewchar ;break; case "6": tmpnewchar="陆" + tmpnewchar ;break; case "7": tmpnewchar="柒" + tmpnewchar ;break; case "8": tmpnewchar="捌" + tmpnewchar ;break; case "9": tmpnewchar="玖" + tmpnewchar ;break; } switch(part[0].length-i-1) { case 0: tmpnewchar = tmpnewchar +"元" ;break; case 1: if(perchar!=0)tmpnewchar= tmpnewchar +"拾" ;break; case 2: if(perchar!=0)tmpnewchar= tmpnewchar +"佰" ;break; case 3: if(perchar!=0)tmpnewchar= tmpnewchar +"仟" ;break; case 4: tmpnewchar= tmpnewchar +"万" ;break; case 5: if(perchar!=0)tmpnewchar= tmpnewchar +"拾" ;break; case 6: if(perchar!=0)tmpnewchar= tmpnewchar +"佰" ;break; case 7: if(perchar!=0)tmpnewchar= tmpnewchar +"仟" ;break; case 8: tmpnewchar= tmpnewchar +"亿" ;break; case 9: tmpnewchar= tmpnewchar +"拾" ;break; } newchar = tmpnewchar + newchar; } //小数点之后进行转化 if(Num.indexOf(".")!=-1) { if(part[1].length > 2) { alert("小数点之后只能保留两位,系统将自动截断"); part[1] = part[1].substr(0,2) } for(i=0;i<part[1].length;i++) { tmpnewchar = "" perchar = part[1].charAt(i) switch(perchar) { case "0": tmpnewchar="零" + tmpnewchar ;break; case "1": tmpnewchar="壹" + tmpnewchar ;break; case "2": tmpnewchar="贰" + tmpnewchar ;break; case "3": tmpnewchar="叁" + tmpnewchar ;break; case "4": tmpnewchar="肆" + tmpnewchar ;break; case "5": tmpnewchar="伍" + tmpnewchar ;break; case "6": tmpnewchar="陆" + tmpnewchar ;break; case "7": tmpnewchar="柒" + tmpnewchar ;break; case "8": tmpnewchar="捌" + tmpnewchar ;break; case "9": tmpnewchar="玖" + tmpnewchar ;break; } if(i==0)tmpnewchar =tmpnewchar + "角"; if(i==1)tmpnewchar = tmpnewchar + "分"; newchar = newchar + tmpnewchar; } } //替换所有无用汉字 while(newchar.search("零零") != -1) newchar = newchar.replace("零零", "零"); newchar = newchar.replace("零亿", "亿"); newchar = newchar.replace("亿万", "亿"); newchar = newchar.replace("零万", "万"); newchar = newchar.replace("零元", "元"); newchar = newchar.replace("零角", ""); newchar = newchar.replace("零分", ""); if (newchar.charAt(newchar.length-1) == "元" || newchar.charAt(newchar.length-1) == "角") newchar = newchar+"整" return newchar; } function printp(obj) { if (obj.style.display=="none") { obj.style.display=""; } else { obj.style.display="none"; } } </script>
S处理部分写好了,那么是如何调用呢?往下看,同样简单:假设要在下面的div中显示大写金额,可以这样调用:
<div><b>已付金额总额(大写):</b><script language="javascript">document.write(Arabia_to_Chinese("3,060.00"));</script></div>
也就是把需要转换大写金额的小写数字输入在Arabia_to_Chinese()函数中,然后用javaScript的document.write方法显示在网页上。