大额人民币转小额

由前端开发者 · 2018年11月6日15:09:16

摘要：html 代码 <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>大额人民币转小额</title> <style media="screen"> ……

html 代码

<!DOCTYPE <span class='wp_keywordlink_affiliate'><a href="https://www.rokub.com/category/html" title="html">html</a></span>><br /> <<span class='wp_keywordlink_affiliate'><a href="https://www.rokub.com/category/html" title="html">html</a></span>><br /> <head><br /> <meta charset="utf-8"><br /> <title>大额人民币转小额</title><br /> <style media="screen"><br /> .main{<br /> width: 400px;<br /> height: 400px;<br /> margin: auto;<br /> padding: 20px;<br /> }<br /> .denomination{<br /> width:100px;<br /> height: 30px;<br /> margin-bottom: 10px;<br /> }<br /> .exchange{<br /> height: 40px;<br /> }<br /> .rmb{<br /> width: 150px;<br /> border: 1px solid rgb(99,184,255);<br /> }<br /> .half,.twenty,.ten,.five,.one{<br /> width: 100px;<br /> height: 20px;<br /> margin-top: 10px;<br /> margin-left: 8px;<br /> }<br /> </style><br /> </head><br /> <body><br /> <div class="main"><br /> <input class="denomination" type="text" name="name" value=""><br /> <input class="exchange" type="button" name="name" value="兑换"><br /> <div class="rmb"><br /> <div class="half"><br /> 50元:<br /> </div><br /> <div class="twenty"><br /> 20元:<br /> </div><br /> <div class="ten"><br /> 10元:<br /> </div><br /> <div class="five"><br /> 5元:<br /> </div><br /> <div class="one"><br /> 1元:<br /> </div><br /> </div><br /> </div><br /> </body><br /> <script type="text/javascript"><br /> var denom=document.querySelector(‘.denomination’);<br /> var exchange=document.querySelector(‘.exchange’);<br /> var half=document.querySelector(‘.half’);<br /> var twenty=document.querySelector(‘.twenty’);<br /> var ten=document.querySelector(‘.ten’);<br /> var five=document.querySelector(‘.five’);<br /> var one=document.querySelector(‘.one’);<br /> exchange.onclick=exchangeMoney;<br /> function exchangeMoney() {<br /> a=denom.value;<br /> var reg=/^\d+$/;<br /> if (reg.test(a)==true) {<br /> M50=parseInt(a/50);<br /> M20=parseInt((a%50)/20);<br /> M10=parseInt((a%50%20)/10);<br /> M5=parseInt((a%50%20%10)/5);<br /> M1=a%50%20%10%5;<br /> half.innerHTML=’50元:’+M50+’张’;<br /> twenty.innerHTML=’20元:’+M20+’张’;<br /> ten.innerHTML=’10元:’+M10+’张’;<br /> five.innerHTML=’5元:’+M5+’张’;<br /> one.innerHTML=’1元:’+M1+’张’;<br /> }else if (a.length==0) {<br /> alert(‘请输入金额’);<br /> } else {<br /> alert(‘内容必须是整数数字’);<br /> }<br /> }<br /> </script><br /> </html>

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