<template>
|
<div class="calculator">
|
<button @click="changeModeEvent" class="toggle-button">
|
<p v-if="changeMode">基础计算器 ⚈</p>
|
<p v-else>科学计算器 ⚆</p>
|
</button>
|
<div class="results">
|
<input class="input" v-model="current" />
|
</div>
|
<div class="mode" v-if="changeMode">
|
<button class="button" @click="press">7</button>
|
<button class="button" @click="press">8</button>
|
<button class="button" @click="press">9</button>
|
<button class="button" @click="press">*</button>
|
<button class="button" @click="press"><=</button>
|
<button class="button" @click="press">C</button>
|
<button class="button" @click="press">4</button>
|
<button class="button" @click="press($event)">5</button>
|
<button class="button" @click="press">6</button>
|
<button class="button" @click="press">/</button>
|
<button class="button" @click="press">(</button>
|
<button class="button" @click="press">)</button>
|
<button class="button" @click="press">1</button>
|
<button class="button" @click="press">2</button>
|
<button class="button" @click="press">3</button>
|
<button class="button" @click="press">-</button>
|
<button class="button" @click="press">x ²</button>
|
<button class="button" @click="press">±</button>
|
<button class="button" @click="press">0</button>
|
<button class="button" @click="press">.</button>
|
<button class="button" @click="press">%</button>
|
<button class="button" @click="press">+</button>
|
<button class="button equal-sign" @click="press">=</button>
|
</div>
|
<div class="mode" v-else>
|
<button class="button" @click="press">sin</button>
|
<button class="button" @click="press">cos</button>
|
<button class="button" @click="press">tan</button>
|
<button class="button" @click="press">x^</button>
|
<button class="button" @click="press"><=</button>
|
<button class="button" @click="press">C</button>
|
<button class="button" @click="press">log</button>
|
<button class="button" @click="press">ln</button>
|
<button class="button" @click="press">e</button>
|
<button class="button" @click="press">∘</button>
|
<button class="button" @click="press">rad</button>
|
<button class="button" @click="press">√</button>
|
<button class="button" @click="press">7</button>
|
<button class="button" @click="press">8</button>
|
<button class="button" @click="press">9</button>
|
<button class="button" @click="press">/</button>
|
<button class="button" @click="press">x ²</button>
|
<button class="button" @click="press">x !</button>
|
<button class="button" @click="press">4</button>
|
<button class="button" @click="press">5</button>
|
<button class="button" @click="press">6</button>
|
<button class="button" @click="press">*</button>
|
<button class="button" @click="press">(</button>
|
<button class="button" @click="press">)</button>
|
<button class="button" @click="press">1</button>
|
<button class="button" @click="press">2</button>
|
<button class="button" @click="press">3</button>
|
<button class="button" @click="press">-</button>
|
<button class="button" @click="press">%</button>
|
<button class="button" @click="press">±</button>
|
<button class="button" @click="press">0</button>
|
<button class="button" @click="press">.</button>
|
<button class="button" @click="press">π</button>
|
<button class="button" @click="press">+</button>
|
<button class="button equal-sign" @click="press">=</button>
|
</div>
|
</div>
|
</template>
|
|
<script setup lang="ts">
|
import { ref } from 'vue'
|
const current = ref<any>('')
|
const changeMode = ref(true)
|
const press = (event) => {
|
var key = event.target.textContent
|
if (
|
key != '=' &&
|
key != 'C' &&
|
key != '*' &&
|
key != '/' &&
|
key != '√' &&
|
key != 'x ²' &&
|
key != '%' &&
|
key != '<=' &&
|
key != '±' &&
|
key != 'sin' &&
|
key != 'cos' &&
|
key != 'tan' &&
|
key != 'log' &&
|
key != 'ln' &&
|
key != 'x^' &&
|
key != 'x !' &&
|
key != 'π' &&
|
key != 'e' &&
|
key != 'rad' &&
|
key != '∘'
|
) {
|
current.value += key
|
} else if (key === '=') {
|
if (current.value.indexOf('^') > -1) {
|
var base = current.value.slice(0, current.value.indexOf('^'))
|
var exponent = current.value.slice(current.value.indexOf('^') + 1)
|
current.value = eval('Math.pow(' + base + ',' + exponent + ')')
|
} else {
|
current.value = eval(current.value)
|
}
|
} else if (key === 'C') {
|
current.value = ''
|
} else if (key === '*') {
|
current.value += '*'
|
} else if (key === '/') {
|
current.value += '/'
|
} else if (key === '+') {
|
current.value += '+'
|
} else if (key === '-') {
|
current.value += '-'
|
} else if (key === '±') {
|
if (current.value.charAt(0) === '-') {
|
current.value = current.value.slice(1)
|
} else {
|
current.value = '-' + current.value
|
}
|
} else if (key === '<=') {
|
current.value = current.value.substring(0, current.value.length - 1)
|
} else if (key === '%') {
|
current.value = current.value / 100
|
} else if (key === 'π') {
|
current.value = current.value * Math.PI
|
} else if (key === 'x ²') {
|
current.value = eval(current.value * current.value)
|
} else if (key === '√') {
|
current.value = Math.sqrt(current.value)
|
} else if (key === 'sin') {
|
current.value = Math.sin(current.value)
|
} else if (key === 'cos') {
|
current.value = Math.cos(current.value)
|
} else if (key === 'tan') {
|
current.value = Math.tan(current.value)
|
} else if (key === 'log') {
|
current.value = Math.log10(current.value)
|
} else if (key === 'ln') {
|
current.value = Math.log(current.value)
|
} else if (key === 'x^') {
|
current.value += '^'
|
} else if (key === 'x !') {
|
var number = 1
|
if (current.value === 0) {
|
current.value = '1'
|
} else if (current.value < 0) {
|
current.value = NaN
|
} else {
|
var _number = 1
|
for (var i = current.value; i > 0; i--) {
|
_number *= i
|
}
|
current.value = _number
|
}
|
} else if (key === 'e') {
|
current.value = Math.exp(current.value)
|
} else if (key === 'rad') {
|
current.value = current.value * (Math.PI / 180)
|
} else if (key === '∘') {
|
current.value = current.value * (180 / Math.PI)
|
}
|
}
|
const changeModeEvent = () => {
|
changeMode.value = !changeMode.value
|
}
|
</script>
|
|
<style lang="less" scoped>
|
.calculator {
|
width: 440px;
|
padding: 20px;
|
border-radius: 5px;
|
margin: 20px auto;
|
font-size: 16px;
|
background-color: #333333;
|
}
|
|
.input {
|
width: 420px;
|
height: 50px;
|
border-radius: 0px;
|
border: 1px solid black;
|
background-color: #333333;
|
color: #d9d9d9;
|
padding: 0 5px 0 5px;
|
margin: 0 0px 10px 0px;
|
font-size: 30px;
|
}
|
|
.input:focus,
|
.input:active {
|
border-color: #03a9f4;
|
box-shadow: 0 0 4px #03A9F4;
|
outline: none 0;
|
}
|
|
.button {
|
margin: 3px;
|
width: 63px;
|
border: 1px solid #0d0d0d;
|
height: 30px;
|
border-radius: 4px;
|
color: #d9d9d9;
|
background-color: #1a1a1a;
|
cursor: pointer;
|
outline: none;
|
}
|
|
.mode {
|
display: flex;
|
flex-wrap: wrap;
|
justify-content: space-evenly;
|
}
|
|
.equal-sign {
|
background-color: green;
|
width: 133px;
|
}
|
|
.toggle-button {
|
border: none;
|
background-color: #333333;
|
cursor: pointer;
|
outline: none;
|
font-size: 1rem;
|
color: #fff;
|
text-shadow: -1px -1px 0 rgba(0, 0, 0, 0.35);
|
margin-bottom: 10px;
|
}
|
|
p {
|
margin-top: 0;
|
}
|
|
button::-moz-focus-inner {
|
border-color: transparent;
|
}
|
|
</style>
|
