敲出来的真理-vue引入传统js,传统JavaScript转es格式,ribbon.js转vue

2024-02-21 17:58
文章标签 java javascript es script vue js 格式 frontend 引入 出来 传统 ribbon 真理

本文主要是介绍敲出来的真理-vue引入传统js,传统JavaScript转es格式,ribbon.js转vue，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

首先建议在操作前阅读下es6的规范,详细了解下模块 Module 的语法

ES6 入门教程https://es6.ruanyifeng.com/#README代码参考

 转 es 前

(function (name, factory) {if (typeof window === "object") { window[name] = factory(); }
})("Ribbons", function () {var _w = window, _b = document.body, _d = document.documentElement; var random = function () {if (arguments.length === 1) {if (Array.isArray(arguments[0])) { var index = Math.round(random(0, arguments[0].length - 1)); return arguments[0][index]; }return random(0, arguments[0]);} elseif (arguments.length === 2) { return Math.random() * (arguments[1] - arguments[0]) + arguments[0]; }return 0;}; var screenInfo = function (e) { var width = Math.max(0, _w.innerWidth || _d.clientWidth || _b.clientWidth || 0), height = Math.max(0, _w.innerHeight || _d.clientHeight || _b.clientHeight || 0), scrollx = Math.max(0, _w.pageXOffset || _d.scrollLeft || _b.scrollLeft || 0) - (_d.clientLeft || 0), scrolly = Math.max(0, _w.pageYOffset || _d.scrollTop || _b.scrollTop || 0) - (_d.clientTop || 0); return { width: width, height: height, ratio: width / height, centerx: width / 2, centery: height / 2, scrollx: scrollx, scrolly: scrolly }; }; var mouseInfo = function (e) { var screen = screenInfo(e), mousex = e ? Math.max(0, e.pageX || e.clientX || 0) : 0, mousey = e ? Math.max(0, e.pageY || e.clientY || 0) : 0; return { mousex: mousex, mousey: mousey, centerx: mousex - screen.width / 2, centery: mousey - screen.height / 2 }; }; var Point = function (x, y) { this.x = 0; this.y = 0; this.set(x, y); }; Point.prototype = {constructor: Point, set: function (x, y) { this.x = x || 0; this.y = y || 0; }, copy: function (point) { this.x = point.x || 0; this.y = point.y || 0; return this; }, multiply: function (x, y) { this.x *= x || 1; this.y *= y || 1; return this; }, divide: function (x, y) { this.x /= x || 1; this.y /= y || 1; return this; }, add: function (x, y) { this.x += x || 0; this.y += y || 0; return this; }, subtract: function (x, y) { this.x -= x || 0; this.y -= y || 0; return this; }, clampX: function (min, max) { this.x = Math.max(min, Math.min(this.x, max)); return this; }, clampY: function (min, max) { this.y = Math.max(min, Math.min(this.y, max)); return this; }, flipX: function () { this.x *= -1; return this; }, flipY: function () { this.y *= -1; return this; }}; var Factory = function (options) { this._canvas = null; this._context = null; this._sto = null; this._width = 0; this._height = 0; this._scroll = 0; this._ribbons = []; this._options = { colorSaturation: "80%", colorBrightness: "60%", colorAlpha: 0.65, colorCycleSpeed: 6, verticalPosition: "center", horizontalSpeed: 200, ribbonCount: 3, strokeSize: 0, parallaxAmount: -0.5, animateSections: true }; this._onDraw = this._onDraw.bind(this); this._onResize = this._onResize.bind(this); this._onScroll = this._onScroll.bind(this); this.setOptions(options); this.init(); }; Factory.prototype = {constructor: Factory, setOptions: function (options) {if (typeof options === "object") {for (var key in options) {if (options.hasOwnProperty(key)) { this._options[key] = options[key]; }}}}, init: function () {try { this._canvas = document.createElement("canvas"); this._canvas.style["display"] = "block"; this._canvas.style["position"] = "fixed"; this._canvas.style["margin"] = "0"; this._canvas.style["padding"] = "0"; this._canvas.style["border"] = "0"; this._canvas.style["outline"] = "0"; this._canvas.style["left"] = "0"; this._canvas.style["top"] = "0"; this._canvas.style["width"] = "100%"; this._canvas.style["height"] = "100%"; this._canvas.style["z-index"] = "-1"; this._canvas.style["background-color"] = "rgba(223, 223, 223, 0.3)"; this._canvas.id = "bgCanvas"; this._onResize(); this._context = this._canvas.getContext("2d"); this._context.clearRect(0, 0, this._width, this._height); this._context.globalAlpha = this._options.colorAlpha; window.addEventListener("resize", this._onResize); window.addEventListener("scroll", this._onScroll); document.body.appendChild(this._canvas); }catch (e) { console.warn("Canvas Context Error: " + e.toString()); return; }this._onDraw();}, addRibbon: function () {var dir = Math.round(random(1, 9)) > 5 ? "right" : "left", stop = 1000, hide = 200, min = 0 - hide, max = this._width + hide, movex = 0, movey = 0, startx = dir === "right" ? min : max, starty = Math.round(random(0, this._height)); if (/^(top|min)$/i.test(this._options.verticalPosition)) { starty = 0 + hide; } elseif (/^(middle|center)$/i.test(this._options.verticalPosition)) { starty = this._height / 2; } elseif (/^(bottom|max)$/i.test(this._options.verticalPosition)) { starty = this._height - hide; }var ribbon = [], point1 = new Point(startx, starty), point2 = new Point(startx, starty), point3 = null, color = Math.round(random(0, 360)), delay = 0; while (true) {if (stop <= 0) break; stop--; movex = Math.round((Math.random() * 1 - 0.2) * this._options.horizontalSpeed); movey = Math.round((Math.random() * 1 - 0.5) * (this._height * 0.25)); point3 = new Point(); point3.copy(point2); if (dir === "right") { point3.add(movex, movey); if (point2.x >= max) break; } elseif (dir === "left") { point3.subtract(movex, movey); if (point2.x <= min) break; }ribbon.push({ point1: new Point(point1.x, point1.y), point2: new Point(point2.x, point2.y), point3: point3, color: color, delay: delay, dir: dir, alpha: 0, phase: 0 }); point1.copy(point2); point2.copy(point3); delay += 4; color += this._options.colorCycleSpeed;}this._ribbons.push(ribbon);}, _drawRibbonSection: function (section) {if (section) {if (section.phase >= 1 && section.alpha <= 0) { return true; }if (section.delay <= 0) {section.phase += 0.02; section.alpha = Math.sin(section.phase) * 1; section.alpha = section.alpha <= 0 ? 0 : section.alpha; section.alpha = section.alpha >= 1 ? 1 : section.alpha; if (this._options.animateSections) {var mod = Math.sin(1 + section.phase * Math.PI / 2) * 0.1; if (section.dir === "right") { section.point1.add(mod, 0); section.point2.add(mod, 0); section.point3.add(mod, 0); } else { section.point1.subtract(mod, 0); section.point2.subtract(mod, 0); section.point3.subtract(mod, 0); }section.point1.add(0, mod); section.point2.add(0, mod); section.point3.add(0, mod);}} else { section.delay -= 0.5; }var s = this._options.colorSaturation, l = this._options.colorBrightness, c = "hsla(" + section.color + ", " + s + ", " + l + ", " + section.alpha + " )"; this._context.save(); if (this._options.parallaxAmount !== 0) { this._context.translate(0, this._scroll * this._options.parallaxAmount); }this._context.beginPath(); this._context.moveTo(section.point1.x, section.point1.y); this._context.lineTo(section.point2.x, section.point2.y); this._context.lineTo(section.point3.x, section.point3.y); this._context.fillStyle = c; this._context.fill(); if (this._options.strokeSize > 0) { this._context.lineWidth = this._options.strokeSize; this._context.strokeStyle = c; this._context.lineCap = "round"; this._context.stroke(); }this._context.restore();}return false;}, _onDraw: function () {for (var i = 0, t = this._ribbons.length; i < t; ++i) {if (!this._ribbons[i]) { this._ribbons.splice(i, 1); }}this._context.clearRect(0, 0, this._width, this._height); for (var a = 0; a < this._ribbons.length; ++a) {var ribbon = this._ribbons[a], numSections = ribbon.length, numDone = 0; for (var b = 0; b < numSections; ++b) {if (this._drawRibbonSection(ribbon[b])) { numDone++; }}if (numDone >= numSections) { this._ribbons[a] = null; }}if (this._ribbons.length < this._options.ribbonCount) { this.addRibbon(); }requestAnimationFrame(this._onDraw);}, _onResize: function (e) {var screen = screenInfo(e); this._width = screen.width; this._height = screen.height; if (this._canvas) {this._canvas.width = this._width; this._canvas.height = this._height; if (this._context) { this._context.globalAlpha = this._options.colorAlpha; }}}, _onScroll: function (e) { var screen = screenInfo(e); this._scroll = screen.scrolly; }}; return Factory;
}); new Ribbons();

转 es 后 


function RibbonsBase() {var _w = window,_b = document.body,_d = document.documentElement;var random = function () {if (arguments.length === 1) {if (Array.isArray(arguments[0])) {var index = Math.round(random(0, arguments[0].length - 1));return arguments[0][index];}return random(0, arguments[0]);} else if (arguments.length === 2) {return Math.random() * (arguments[1] - arguments[0]) + arguments[0];}return 0;};var screenInfo = function (e) {var width = Math.max(0, _w.innerWidth || _d.clientWidth || _b.clientWidth || 0),height = Math.max(0, _w.innerHeight || _d.clientHeight || _b.clientHeight || 0),scrollx = Math.max(0, _w.pageXOffset || _d.scrollLeft || _b.scrollLeft || 0) - (_d.clientLeft || 0),scrolly = Math.max(0, _w.pageYOffset || _d.scrollTop || _b.scrollTop || 0) - (_d.clientTop || 0);return {width: width,height: height,ratio: width / height,centerx: width / 2,centery: height / 2,scrollx: scrollx,scrolly: scrolly};};var mouseInfo = function (e) {var screen = screenInfo(e),mousex = e ? Math.max(0, e.pageX || e.clientX || 0) : 0,mousey = e ? Math.max(0, e.pageY || e.clientY || 0) : 0;return {mousex: mousex,mousey: mousey,centerx: mousex - screen.width / 2,centery: mousey - screen.height / 2};};var Point = function (x, y) {this.x = 0;this.y = 0;this.set(x, y);};Point.prototype = {constructor: Point,set: function (x, y) {this.x = x || 0;this.y = y || 0;},copy: function (point) {this.x = point.x || 0;this.y = point.y || 0;return this;},multiply: function (x, y) {this.x *= x || 1;this.y *= y || 1;return this;},divide: function (x, y) {this.x /= x || 1;this.y /= y || 1;return this;},add: function (x, y) {this.x += x || 0;this.y += y || 0;return this;},subtract: function (x, y) {this.x -= x || 0;this.y -= y || 0;return this;},clampX: function (min, max) {this.x = Math.max(min, Math.min(this.x, max));return this;},clampY: function (min, max) {this.y = Math.max(min, Math.min(this.y, max));return this;},flipX: function () {this.x *= -1;return this;},flipY: function () {this.y *= -1;return this;}};var Factory = function (options) {this._canvas = null;this._context = null;this._sto = null;this._width = 0;this._height = 0;this._scroll = 0;this._ribbons = [];this._options = {//色带颜色HSL饱和度colorSaturation: "80%",//色带颜色HSL亮度量colorBrightness: "60%",//色带颜色不透明度量colorAlpha: 0.65,//在HSL颜色空间中循环颜色的速度有多快colorCycleSpeed: 6,// 每侧Y轴上的起始位置 (top|min, middle|center, bottom|max, random)verticalPosition: "random",//到达屏幕另一边的速度有多快horizontalSpeed: 200,//在任何给定时间屏幕上保留多少条色带ribbonCount: 5,//添加笔划和功能区填充颜色strokeSize: 0,//按页面滚动上的系数垂直移动功能区parallaxAmount: -0.5,//随时间向每个功能区区域添加动画效果animateSections: true};this._onDraw = this._onDraw.bind(this);this._onResize = this._onResize.bind(this);this._onScroll = this._onScroll.bind(this);this.setOptions(options);this.init();};Factory.prototype = {constructor: Factory,setOptions: function (options) {if (typeof options === "object") {for (var key in options) {if (Object.prototype.hasOwnProperty.call(options, 'key')) {this._options[key] = options[key];}}}},init: function () {try {this._canvas = document.createElement("canvas");this._canvas.style["display"] = "block";this._canvas.style["position"] = "fixed";this._canvas.style["margin"] = "0";this._canvas.style["padding"] = "0";this._canvas.style["border"] = "0";this._canvas.style["outline"] = "0";this._canvas.style["left"] = "0";this._canvas.style["top"] = "0";this._canvas.style["width"] = "100%";this._canvas.style["height"] = "100%";this._canvas.style["z-index"] = "-1";this._canvas.style["background-color"] = "rgba(223, 223, 223, 0.3)";this._canvas.id = "bgCanvas";this._onResize();this._context = this._canvas.getContext("2d");this._context.clearRect(0, 0, this._width, this._height);this._context.globalAlpha = this._options.colorAlpha;window.addEventListener("resize", this._onResize);window.addEventListener("scroll", this._onScroll);document.body.appendChild(this._canvas);} catch (e) {console.warn("Canvas Context Error: " + e.toString());return;}this._onDraw();},addRibbon: function () {var dir = Math.round(random(1, 9)) > 5 ? "right" : "left",stop = 1000,hide = 200,min = 0 - hide,max = this._width + hide,movex = 0,movey = 0,startx = dir === "right" ? min : max,starty = Math.round(random(0, this._height));if (/^(top|min)$/i.test(this._options.verticalPosition)) {starty = 0 + hide;} else if (/^(middle|center)$/i.test(this._options.verticalPosition)) {starty = this._height / 2;} else if (/^(bottom|max)$/i.test(this._options.verticalPosition)) {starty = this._height - hide;}var ribbon = [],point1 = new Point(startx, starty),point2 = new Point(startx, starty),point3 = null,color = Math.round(random(0, 360)),delay = 0;while (true) {if (stop <= 0) break;stop--;movex = Math.round((Math.random() * 1 - 0.2) * this._options.horizontalSpeed);movey = Math.round((Math.random() * 1 - 0.5) * (this._height * 0.25));point3 = new Point();point3.copy(point2);if (dir === "right") {point3.add(movex, movey);if (point2.x >= max) break;} else if (dir === "left") {point3.subtract(movex, movey);if (point2.x <= min) break;}ribbon.push({point1: new Point(point1.x, point1.y),point2: new Point(point2.x, point2.y),point3: point3,color: color,delay: delay,dir: dir,alpha: 0,phase: 0});point1.copy(point2);point2.copy(point3);delay += 4;color += this._options.colorCycleSpeed;}this._ribbons.push(ribbon);},_drawRibbonSection: function (section) {if (section) {if (section.phase >= 1 && section.alpha <= 0) {return true;}if (section.delay <= 0) {section.phase += 0.02;section.alpha = Math.sin(section.phase) * 1;section.alpha = section.alpha <= 0 ? 0 : section.alpha;section.alpha = section.alpha >= 1 ? 1 : section.alpha;if (this._options.animateSections) {var mod = Math.sin(1 + section.phase * Math.PI / 2) * 0.1;if (section.dir === "right") {section.point1.add(mod, 0);section.point2.add(mod, 0);section.point3.add(mod, 0);} else {section.point1.subtract(mod, 0);section.point2.subtract(mod, 0);section.point3.subtract(mod, 0);}section.point1.add(0, mod);section.point2.add(0, mod);section.point3.add(0, mod);}} else {section.delay -= 0.5;}var s = this._options.colorSaturation,l = this._options.colorBrightness,c = "hsla(" + section.color + ", " + s + ", " + l + ", " + section.alpha + " )";this._context.save();if (this._options.parallaxAmount !== 0) {this._context.translate(0, this._scroll * this._options.parallaxAmount);}this._context.beginPath();this._context.moveTo(section.point1.x, section.point1.y);this._context.lineTo(section.point2.x, section.point2.y);this._context.lineTo(section.point3.x, section.point3.y);this._context.fillStyle = c;this._context.fill();if (this._options.strokeSize > 0) {this._context.lineWidth = this._options.strokeSize;this._context.strokeStyle = c;this._context.lineCap = "round";this._context.stroke();}this._context.restore();}return false;},_onDraw: function () {for (var i = 0,t = this._ribbons.length; i < t; ++i) {if (!this._ribbons[i]) {this._ribbons.splice(i, 1);}}this._context.clearRect(0, 0, this._width, this._height);for (var a = 0; a < this._ribbons.length; ++a) {var ribbon = this._ribbons[a],numSections = ribbon.length,numDone = 0;for (var b = 0; b < numSections; ++b) {if (this._drawRibbonSection(ribbon[b])) {numDone++;}}if (numDone >= numSections) {this._ribbons[a] = null;}}if (this._ribbons.length < this._options.ribbonCount) {this.addRibbon();}requestAnimationFrame(this._onDraw);},_onResize: function (e) {var screen = screenInfo(e);this._width = screen.width;this._height = screen.height;if (this._canvas) {this._canvas.width = this._width;this._canvas.height = this._height;if (this._context) {this._context.globalAlpha = this._options.colorAlpha;}}},_onScroll: function (e) {var screen = screenInfo(e);this._scroll = screen.scrolly;}};return new Factory();}export default {dom: function () {return document.getElementById("bgCanvas");},stop: function () {var box = document.getElementById("bgCanvas");box.parentNode.removeChild(box);},start: function () {window["Ribbons"] = RibbonsBase();}
}

vue 页面 

<template><div id="app"><div class="content"><div class="content_input"><div class="title"><p>Logo登录</p></div><el-form><el-form-item><el-inputv-model="companyuid"placeholder="公司代码"prefix-icon="el-icon-school"></el-input></el-form-item><el-form-item><el-inputv-model="account"placeholder="账号"prefix-icon="el-icon-user"></el-input></el-form-item><el-form-item><el-inputv-model="password"placeholder="密码"show-passwordprefix-icon="el-icon-unlock"></el-input></el-form-item><el-form-item type="flex" justify="space-between"><el-col :span="11"><img src="https://www.oschina.net/action/user/captcha" /></el-col><el-col class="line" :span="2">&nbsp;</el-col><el-col :span="11"><el-inputv-model="vcode"placeholder="验证码"prefix-icon="el-icon-warning-outline"></el-input></el-col></el-form-item><el-form-item><el-button type="primary" @click="onSubmit">登录</el-button></el-form-item></el-form></div></div></div>
</template><script>
import Ribbons from "../assets/js/ribbon_vue";
export default {Ribbons,data() {return {companyuid: "",account: "",password: "",vcode: "",};},mounted: function () {Ribbons.start();},methods: {onSubmit() {console.log("submit!");Ribbons.stop();},},
};
</script><style>
@charset "utf-8";
* {padding: 0;margin: 0;
}.content {width: 500px;height: 600px;box-sizing: border-box;padding: 0 50px;border-radius: 5px;box-shadow: 0px 2px 12px 0px rgba(105, 105, 105, 0.07);background: rgba(255, 255, 255, 0.5);position: absolute;top: 50%;left: 80%;transform: translate(-50%, -50%);animation: mymove 1s ease-in-out alternate;overflow: hidden;transition: 1.5s;
}.content_input {width: 300px;position: absolute;top: 50%;left: 50%;transform: translate(-50%, -50%);
}.content_button {margin-top: 10px;
}.el-input {margin-bottom: 25px;
}.title {text-align: center;font-size: 24px;margin-bottom: 30px;font-weight: bold;color: #606266;
}.el-button--primary {width: 100%;
}
</style>

 附一张效果图^_^

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