Kod lengkap untuk membangunkan kalkulator audio menggunakan javascript
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
<meta name="format-detection" content="telephone=no" />
<title>计算器</title>
<style type="text/css">
*{margin:0;padding:0;}
body{
background:#ffffcc;
font-size:12px;
font-family:"微软雅黑";
color:#666;
}
ul,ol{list-style:none;}
.cac{
width:410px;
background:#399;
margin:0 auto;
}
.cac .c_title{
font-size:16px;
color:#000;
padding:10px 0 10px 10px;
cursor:move;
}
.cac .c_show .c_txt{
width:390px;
height:42px;
font-size:34px;
color:#999;
border:none;
outline:none;
text-align:right;
padding-right:20px;
line-height:25px;
}
.cac .c_key ul{
border:1px solid #fff
}
.cac .c_key ul li{
border:1px solid #fff;
width:69px;
height:50px;
font-size:25px;
margin:5px;
float:left;
background:#cccc33;
line-height:50px;
cursor:pointer;
text-align:center;
}
.cac .c_key .c_tool{
background:#3399cc;
}
.clear{clear:both;}
</style>
</head>
<body>
<div>
<div>计算器</div>
<div>
<input type="text" value="0" onfocus="this.blur();" id="result"/>
</div>
<div>
<ul>
<li onclick="command(7);">7</li>
<li onclick="command(8);">8</li>
<li onclick="command(9);">9</li>
<li><-</li>
<li onclick="clearzero('j');">C</li>
<li onclick="command(4);">4</li>
<li onclick="command(5);">5</li>
<li onclick="command(6);">6</li>
<li onclick="tools('*','g');">×</li>
<li onclick="tools('/','g');">÷</li>
<li onclick="command(1);">1</li>
<li onclick="command(2);">2</li>
<li onclick="command(3);">3</li>
<li onclick="tools('+','g');">+</li>
<li onclick="tools('-','g');">-</li>
<li onclick="command(0);">0</li>
<li onclick="command(00);">00</li>
<li onclick="dot('g');">.</li>
<li onclick="tools('%','g');">%</li>
<li onclick="equal('j');">=</li>
<div></div>
</ul>
</div>
</div>
<script type="text/javascript" src=""></script>
<script>
/*
1.数字显示，数字拼接
2.点击操作符
3.点击数字
4.获取结果
5.不能连续输入
*/
//点击按钮执行操作
var resultDom = document.getElementById("result");
var operate = true;
var xop = true;
function command(num){
if(needclear==1){
needclear=0;
resultDom.value='';
}
var str = resultDom.value;
str =(str =="0"?"":str);
resultDom.value = str+num;
operate = true;
play(num);
}
//清空
function clearzero(m){
resultDom.value = 0;
play(m)
}
//计算等号
var needclear=0;
function equal(m){
needclear=1;
var result = resultDom.value.toString();
var r = eval(result);
resultDom.value =r;
play(m);
}
//小数点
function dot(m){
if(xop){
var num = resultDom.value.toString();
num +=".";
resultDom.value = num;
xop = ture;
}
play(m);
}
//点击操作符
function tools(op,m){
if(operate){
var num = resultDom.value;
num = (num =="0"?"":num);
resultDom.value = num+op;
operate = false;
}
play(m);
}
//按键声音
function play(num){
var audioDom = document.getElementById("audio");
audioDom.innerHTML = "<embed src='wav/"+num+".wav' width='0' height='0'></embed>"
}
</script>
</body>
</html>Kod tersebut telah diterangkan dalam bab sebelumnya, dan kini saya akan menyambungkannya bersama-sama untuk menunjukkan kepada anda kesan sebenar.
fail baharu
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
<meta name="format-detection" content="telephone=no" />
<title>计算器</title>
<style type="text/css">
*{margin:0;padding:0;}
body{
background:#ffffcc;
font-size:12px;
font-family:"微软雅黑";
color:#666;
}
ul,ol{list-style:none;}
.cac{
width:410px;
background:#399;
margin:0 auto;
}
.cac .c_title{
font-size:16px;
color:#000;
padding:10px 0 10px 10px;
cursor:move;
}
.cac .c_show .c_txt{
width:390px;
height:42px;
font-size:34px;
color:#999;
border:none;
outline:none;
text-align:right;
padding-right:20px;
line-height:25px;
}
.cac .c_key ul{
border:1px solid #fff
}
.cac .c_key ul li{
border:1px solid #fff;
width:69px;
height:50px;
font-size:25px;
margin:5px;
float:left;
background:#cccc33;
line-height:50px;
cursor:pointer;
text-align:center;
}
.cac .c_key .c_tool{
background:#3399cc;
}
.clear{clear:both;}
</style>
</head>
<body>
<div class="cac">
<div class="c_title">计算器</div>
<div class="c_show">
<input type="text" class="c_txt" value="0" onfocus="this.blur();" id="result"/>
</div>
<div class="c_key">
<ul>
<li onclick="command(7);">7</li>
<li onclick="command(8);">8</li>
<li onclick="command(9);">9</li>
<li class="c_tool"><-</li>
<li class="c_tool" onclick="clearzero('j');">C</li>
<li onclick="command(4);">4</li>
<li onclick="command(5);">5</li>
<li onclick="command(6);">6</li>
<li class="c_tool" onclick="tools('*','g');">×</li>
<li class="c_tool" onclick="tools('/','g');">÷</li>
<li onclick="command(1);">1</li>
<li onclick="command(2);">2</li>
<li onclick="command(3);">3</li>
<li class="c_tool" onclick="tools('+','g');">+</li>
<li class="c_tool" onclick="tools('-','g');">-</li>
<li onclick="command(0);">0</li>
<li onclick="command(00);">00</li>
<li onclick="dot('g');">.</li>
<li class="c_tool" onclick="tools('%','g');">%</li>
<li class="c_equ" onclick="equal('j');">=</li>
<div class="clear"></div>
</ul>
</div>
</div>
<script type="text/javascript" src=""></script>
<script>
/*
1.数字显示，数字拼接
2.点击操作符
3.点击数字
4.获取结果
5.不能连续输入
*/
//点击按钮执行操作
var resultDom = document.getElementById("result");
var operate = true;
var xop = true;
function command(num){
if(needclear==1){
needclear=0;
resultDom.value='';
}
var str = resultDom.value;
str =(str =="0"?"":str);
resultDom.value = str+num;
operate = true;
play(num);
}
//清空
function clearzero(m){
resultDom.value = 0;
play(m)
}
//计算等号
var needclear=0;
function equal(m){
needclear=1;
var result = resultDom.value.toString();
var r = eval(result);
resultDom.value =r;
play(m);
}
//小数点
function dot(m){
if(xop){
var num = resultDom.value.toString();
num +=".";
resultDom.value = num;
xop = ture;
}
play(m);
}
//点击操作符
function tools(op,m){
if(operate){
var num = resultDom.value;
num = (num =="0"?"":num);
resultDom.value = num+op;
operate = false;
}
play(m);
}
//按键声音
function play(num){
var audioDom = document.getElementById("audio");
audioDom.innerHTML = "<embed src='wav/"+num+".wav' width='0' height='0'></embed>"
}
</script>
</body>
</html>
Pratonton
Clear
- Cadangan kursus
- Muat turun perisian kursus
Perisian kursus tidak tersedia untuk dimuat turun pada masa ini. Kakitangan sedang menganjurkannya. Sila beri perhatian lebih kepada kursus ini pada masa hadapan~
Pelajar yang telah menonton kursus ini juga sedang belajar
Mari kita bercakap secara ringkas tentang memulakan perniagaan dalam PHP
Pengenalan pantas kepada pembangunan bahagian hadapan web
Pembangunan Tianlongbabu praktikal skala besar bagi rangka kerja MVC versi Mini meniru laman web ensiklopedia perkara yang memalukan
Bermula dengan Pembangunan Praktikal PHP: Penciptaan PHP Pantas [Forum Perniagaan Kecil]
Pengesahan log masuk dan papan mesej klasik
Pengumpulan pengetahuan rangkaian komputer
Mula Pantas Node.JS Versi Penuh
Kursus bahagian hadapan yang paling memahami anda: HTML5/CSS3/ES6/NPM/Vue/...[Asal]
Tulis rangka kerja PHP MVC anda sendiri (40 bab secara mendalam/butiran besar/mesti dibaca untuk pemula untuk maju)