vue.js - 计算器

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html

css

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html

css

body {
  height: 100vh;
  width: 100vw;
  background: #1939f6;
  overflow: hidden;
}

* {
  box-sizing: border-box;
}

#app {
  width: 100%;
  height: 100%;
  display: flex;
  font-family: "Roboto", sans-serif;
  font-weight: 300;
  font-size: 24px;
}
#app #calculator {
  opacity: 0;
  -webkit-animation: 1s bounceIn;
          animation: 1s bounceIn;
  -webkit-animation-fill-mode: forwards;
          animation-fill-mode: forwards;
  margin: 10px;
  border-radius: 8px;
  color: #ffffff;
  box-shadow: 10px 10px 50px rgba(0, 0, 0, 0.5);
  margin: auto;
  height: 540px;
  width: 300px;
  background: #191b1d;
}
#app #calculator .screen-container {
  width: 100%;
  height: 38%;
  display: flex;
  flex-direction: column;
  position: relative;
  justify-content: center;
  text-align: right;
}
#app #calculator .screen-container .calculation,
#app #calculator .screen-container .result {
  width: 100%;
  height: 50%;
  padding-right: 15px;
}
#app #calculator .screen-container .result {
  display: flex;
  align-items: flex-end;
  color: #1939f6;
  justify-content: flex-end;
}
#app #calculator .screen-container .result .number {
  font-size: 50px;
  font-weight: 800;
}
#app #calculator .btn-container {
  width: 100%;
  height: 62%;
  display: flex;
  flex-direction: column;
  position: relative;
}
#app #calculator .btn-container .oper-container {
  z-index: 10;
  opacity: 0;
  -webkit-animation: 1s bounceIn;
          animation: 1s bounceIn;
  -webkit-animation-delay: 0.5s;
          animation-delay: 0.5s;
  -webkit-animation-fill-mode: forwards;
          animation-fill-mode: forwards;
  position: absolute;
  width: 50px;
  left: -25px;
  box-shadow: 10px 10px 50px rgba(0, 0, 0, 0.5);
  top: -100px;
}
#app #calculator .btn-container .oper-container .btn {
  position: static;
  width: 50px;
  height: 50px;
  background: #1939f6;
  color: #1939f6;
  background: #ffffff;
  display: flex;
  cursor: pointer;
}
#app #calculator .btn-container .oper-container .btn .number {
  margin: auto;
}
#app #calculator .btn-container .oper-container .btn#clear.animate {
  -webkit-animation: fade 0.12s ease-in-out;
          animation: fade 0.12s ease-in-out;
  animation-direction: reverse;
}
#app #calculator .btn-container .oper-container .btn#clear {
  cursor: pointer;
  height: 50px;
  width: 50px;
  display: flex;
  background: #1e2022;
  border-radius: 8px 0px 0 0;
  font-size: 16px;
  box-shadow: 10px 10px 50px rgba(0, 0, 0, 0.5);
}
#app #calculator .btn-container .oper-container .btn#clear .number {
  margin: auto;
  color: #ffffff;
}
#app #calculator .btn-container .row {
  position: relative;
  display: flex;
  flex-direction: row;
  width: 100%;
  height: 25%;
}
#app #calculator .btn-container .row .btn {
  cursor: pointer;
  width: 100%;
  height: 100%;
  text-align: center;
  display: flex;
  border: 0.5px solid #191b1d;
  background: #1e2022;
}
#app #calculator .btn-container .row .btn .number {
  opacity: 0;
  -webkit-animation: 1s fadeIn;
          animation: 1s fadeIn;
  -webkit-animation-delay: 0.5s;
          animation-delay: 0.5s;
  -webkit-animation-fill-mode: forwards;
          animation-fill-mode: forwards;
  margin: auto;
}
#app #calculator .btn-container .row .btn:nth-child(1) {
  border-left: none;
}
#app #calculator .btn-container .row .btn:nth-child(3) {
  border-right: none;
}
#app #calculator .btn-container .row .btn.animate {
  -webkit-animation: fade 0.12s ease-in-out;
          animation: fade 0.12s ease-in-out;
}
#app #calculator .btn-container .row .btn#result {
  position: absolute;
  right: -12px;
  bottom: -12px;
  width: calc(33% * 1.25);
  height: calc(100% * 1.25);
  background: #1939f6;
  border-bottom-right-radius: 8px;
  border: 0.5px rgba(0, 0, 0, 0.0001);
}
#app #calculator .btn-container .row .btn#result:not(.resetappearanim) {
  opacity: 0;
  -webkit-animation: 1s bounceIn;
          animation: 1s bounceIn;
  -webkit-animation-delay: 0.5s;
          animation-delay: 0.5s;
  -webkit-animation-fill-mode: forwards;
          animation-fill-mode: forwards;
}
#app #calculator .btn-container .row .btn#result.animate {
  -webkit-animation: fade 0.12s ease-in-out;
          animation: fade 0.12s ease-in-out;
  animation-direction: reverse;
}
#app #calculator .btn-container .row .btn#dot {
  border-bottom-left-radius: 8px;
}
#app #calculator .btn-container .row:last-child .btn {
  border-bottom: none;
}
#app #calculator .btn-container .btn.operations.animate {
  -webkit-animation: fadeThird 0.12s ease-in-out;
          animation: fadeThird 0.12s ease-in-out;
  animation-direction: reverse;
}
#app #calculator .btn-container .btn.operations.divide {
  left: calc(33% - 25px);
  top: calc(25% - 25px);
}
#app #calculator .btn-container .btn.operations.multiplication {
  left: calc(66% - 25px);
  top: calc(25% - 25px);
}
#app #calculator .btn-container .btn.operations.plus {
  left: calc(66% - 25px);
  top: calc(50% - 25px);
}
#app #calculator .btn-container .btn.operations.less {
  left: calc(33% - 25px);
  top: calc(50% - 25px);
  border-radius: 0 0 8px 0;
}

@-webkit-keyframes fade {
  from {
    background: #1e2022;
  }
  to {
    background: #1939f6;
  }
}

@keyframes fade {
  from {
    background: #1e2022;
  }
  to {
    background: #1939f6;
  }
}
@-webkit-keyframes fadeThird {
  from {
    background: #ffffff;
  }
  to {
    background: #1e2022;
  }
}
@keyframes fadeThird {
  from {
    background: #ffffff;
  }
  to {
    background: #1e2022;
  }
}
@-webkit-keyframes bounceIn {
  from, 20%, 40%, 60%, 80%, to {
    -webkit-animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
  }
  0% {
    opacity: 0;
    transform: scale3d(0.3, 0.3, 0.3);
  }
  20% {
    transform: scale3d(1.1, 1.1, 1.1);
  }
  40% {
    transform: scale3d(0.9, 0.9, 0.9);
  }
  60% {
    opacity: 1;
    transform: scale3d(1.03, 1.03, 1.03);
  }
  80% {
    transform: scale3d(0.97, 0.97, 0.97);
  }
  to {
    opacity: 1;
    transform: scale3d(1, 1, 1);
  }
}
@keyframes bounceIn {
  from, 20%, 40%, 60%, 80%, to {
    -webkit-animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
  }
  0% {
    opacity: 0;
    transform: scale3d(0.3, 0.3, 0.3);
  }
  20% {
    transform: scale3d(1.1, 1.1, 1.1);
  }
  40% {
    transform: scale3d(0.9, 0.9, 0.9);
  }
  60% {
    opacity: 1;
    transform: scale3d(1.03, 1.03, 1.03);
  }
  80% {
    transform: scale3d(0.97, 0.97, 0.97);
  }
  to {
    opacity: 1;
    transform: scale3d(1, 1, 1);
  }
}
@-webkit-keyframes bounce {
  from, 20%, 40%, 60%, 80%, to {
    -webkit-animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
  }
  20% {
    transform: scale3d(1.1, 1.1, 1.1);
  }
  40% {
    transform: scale3d(0.9, 0.9, 0.9);
  }
  60% {
    transform: scale3d(1.03, 1.03, 1.03);
  }
  80% {
    transform: scale3d(0.97, 0.97, 0.97);
  }
  to {
    opacity: 1;
    transform: scale3d(1, 1, 1);
  }
}
@keyframes bounce {
  from, 20%, 40%, 60%, 80%, to {
    -webkit-animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
  }
  20% {
    transform: scale3d(1.1, 1.1, 1.1);
  }
  40% {
    transform: scale3d(0.9, 0.9, 0.9);
  }
  60% {
    transform: scale3d(1.03, 1.03, 1.03);
  }
  80% {
    transform: scale3d(0.97, 0.97, 0.97);
  }
  to {
    opacity: 1;
    transform: scale3d(1, 1, 1);
  }
}
@-webkit-keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.slide-fade-enter-active {
  transition: all 0.3s ease;
}

.slide-fade-enter,
.slide-fade-leave-to {
  transform: translateX(10px);
  opacity: 0;
}

*:focus {
  outline: none;
}

@media screen and (max-width: 500px) {
  #app {
    transform: scale(0.8) translateY(-50px);
  }
}
*::-moz-selection {
  background: #1939f6;
  color: #ffffff;
}
*::selection {
  background: #1939f6;
  color: #ffffff;
}

[v-cloak] {
  display: none;
}

JavaScript

String.prototype.replaceAll = function (search, replacement) {
	var target = this;
	return target.split(search).join(replacement);
};

new Vue({
	el: "#app",
	data: {
		// calculation:'15*98',
		// tempResult:'1470',
		calculation: "",
		tempResult: ""
	},
	mounted() {
		let btns = document.querySelectorAll(".btn");
		for (btn of btns) {
			btn.addEventListener("click", function () {
				this.classList.add("animate");
				this.classList.add("resetappearanim");
			});
			btn.addEventListener("animationend", function () {
				this.classList.remove("animate");
			});
		}
	},
	methods: {
		append(value) {
			this.calculation += value.toString();
		},
		clear() {
			this.calculation = "";
			this.tempResult = "";
		},
		getResult() {
			if (this.tempResult != "") {
				this.calculation = this.tempResult;
				//this.tempResult = ''
			}
		},
		backspace() {
			this.calculation = this.calculation.slice(0, -1);
		}
	},
	watch: {
		calculation() {
			if (
				this.calculation !== "" &&
				!isNaN(this.calculation.slice(-1)) &&
				this.calculation != this.result
			) {
				this.tempResult = this.result.toString();
			}
		}
	},
	computed: {
		result() {
			if (!isNaN(this.calculation.slice(-1))) return eval(this.calculation);
			else return eval(this.calculation.slice(0, -1));
		},
		fontSize() {
			return (this.fontSize = 50 - this.tempResult.length * 1.25);
		}
	},
	filters: {
		hugeNumber: (value) => {
			let parts = value.toString().split(".");
			parts[0] = parts[0].replace(/\B(?=(\d{3})+(?!\d))/g, " ");
			return parts.join(".");
		},
		number: (value) => {
			return value.replaceAll("*", "x");
		},
		calculation: (value) => {
			return value
				.replaceAll("x", " x ")
				.replaceAll("/", " / ")
				.replaceAll("+", " + ")
				.replaceAll("-", " - ");
		}
	}
});

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