直接使用代码

图片素材

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css代码

 <style>
/*全部-咨询banner*/
.contact-banner{position:relative;overflow:hidden;padding:0;background:-webkit-linear-gradient(top,#0076d1,#5db8ff);background:-moz-linear-gradient(top,#0076d1,#5db8ff);background:-o-linear-gradient(top,#0076d1,#5db8ff);background:-ms-linear-gradient(top,#0076d1,#5db8ff);}
.contact-banner .waves{position:absolute;height:100%;}
.contact-banner-box{margin-top:30px;margin-bottom:40px;text-align:center;}
.contact-banner-box h2{display:block;max-width:10em;margin:0px auto;line-height:2em;border-bottom:2px solid #fff;color:#f5f5f5;}
.contact-banner-box h4{color:#f1f1f1;margin-top:40px;}
.contact-banner-box .btn{font-size:24px;padding-left:30px;padding-right:30px;margin-top:20px;}
/*全部-咨询banner*/
/*所有按钮加渐变动画*/
.btn{-webkit-transition:all 0.225s ease-in-out;-moz-transition:all 0.225s ease-in-out;-o-transition:all 0.225s ease-in-out;transition:all 0.225s ease-in-out;}
/*所有按钮加渐变动画*/
/*幽灵按钮*/
.btn-outline-inverse{color:#fff;background:transparent;border-color:#fff;}
.btn-outline-inverse:hover{color:#0ba1e4;text-shadow:none;background-color:#fff;}

</style>

HTML+JS代码

 
<!-- 立即咨询 -->
<div class="contact-banner">
  <canvas id="waves" class="waves"></canvas>
  <div class="container">
      <div class="row">
          <div class="col-sm-12 contact-banner-box">
              <h2 class="h1">更多疑问 全面解答</h2>
              <h4>资深美签专家在线为您解答所有疑惑</h4>
              <a href="javascript:;" class="btn btn-outline-inverse btn-lg web-chat">免费咨询</a>
          </div>
      </div>
  </div>
</div>
<!-- 立即咨询 -->

<script>
  
//通用waves线条动画
$(function() {
    function a() {
        var a = $(window).width(),
            b = (768 - a) / 768 + 1,
            c = 1;
        fmhPara = $(".feature-mi").height() < 641 || $(".feature-ai").height() < 641 || $(".feature-bi").height() < 641 ? 0 : 1, 768 > a ? ($(".mi-headline-bg").css("height", $(".feature-mi").height() + 28 * b * c + "px"), $(".ai-headline-bg").css("height", $(".feature-ai").height() + 28 * b * c + "px"), $(".bi-headline-bg").css("height", $(".feature-bi").height() + 28 * b * c + "px"), $(".ee-headline-bg").css("height", $(".feature-ee").height() + parseInt($(".feature-ee").css("padding-top")) + 20 * b + "px")) : ($(".mi-headline-bg").removeAttr("style"), $(".ai-headline-bg").removeAttr("style"), $(".bi-headline-bg").removeAttr("style"), $(".ee-headline-bg").removeAttr("style"))
    }
    setTimeout(function() {
        a()
    }, 100), $(window).resize(function() {
        a()
    })
}), function(a, b) {
    "use strict";
    "function" == typeof define && "object" == typeof define.amd ? define([], function() {
        return b(a)
    }) : a.SineWaves = b(a)
}(this, function() {
    "use strict";

    function a(a) {
        if (this.options = i.defaults(this.options, a), this.el = this.options.el, delete this.options.el, !this.el) return false; //throw "No Canvas Selected";刘明排错注销
        if (this.ctx = this.el.getContext("2d"), this.waves = this.options.waves, delete this.options.waves, !this.waves || !this.waves.length) throw "No waves specified";
        this.dpr = window.devicePixelRatio || 1, this.updateDimensions(), window.addEventListener("resize", this.updateDimensions.bind(this)), this.setupUserFunctions(), this.easeFn = i.getFn(n, this.options.ease, "linear"), this.rotation = i.degreesToRadians(this.options.rotate), i.isType(this.options.running, "boolean") && (this.running = this.options.running), this.setupWaveFns(), this.loop()
    }
    function b(a, b) {
        return i.isType(a, "number") ? a : (a = a.toString(), a.indexOf("%") > -1 ? (a = parseFloat(a), a > 1 && (a /= 100), b * a) : a.indexOf("px") > -1 ? parseInt(a, 10) : void 0)
    }
    Function.prototype.bind || (Function.prototype.bind = function(a) {
        if ("function" != typeof this) throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
        var b = Array.prototype.slice.call(arguments, 1),
            c = this,
            d = function() {},
            e = function() {
                return c.apply(this instanceof d && a ? this : a, b.concat(Array.prototype.slice.call(arguments)))
            };
        return d.prototype = this.prototype, e.prototype = new d, e
    });
    for (var c = ["ms", "moz", "webkit", "o"], d = 0; d < c.length && !window.requestAnimationFrame; ++d) window.requestAnimationFrame = window[c[d] + "RequestAnimationFrame"], window.cancelAnimationFrame = window[c[d] + "CancelAnimationFrame"] || window[c[d] + "CancelRequestAnimationFrame"];
    if (!window.requestAnimationFrame) {
        var e = 0;
        window.requestAnimationFrame = function(a) {
            var b = (new Date).getTime(),
                c = Math.max(0, 16 - (b - e)),
                d = window.setTimeout(function() {
                    a(b + c)
                }, c);
            return e = b + c, d
        }
    }
    window.cancelAnimationFrame || (window.cancelAnimationFrame = function(a) {
        clearTimeout(a)
    });
    var f = Math.PI / 180,
        //原来的值为g=2 * Math.PI 用于修正sineinout右边的正弦值
        g = 2.6 * Math.PI,
        h = Math.PI / 2,
        i = {},
        j = i.isType = function(a, b) {
            var c = {}.toString.call(a).toLowerCase();
            return c === "[object " + b.toLowerCase() + "]"
        },
        k = i.isFunction = function(a) {
            return j(a, "function")
        },
        l = i.isString = function(a) {
            return j(a, "string")
        },
        m = (i.isNumber = function(a) {
            return j(a, "number")
        }, i.shallowClone = function(a) {
            var b = {};
            for (var c in a) a.hasOwnProperty(c) && (b[c] = a[c]);
            return b
        }),
        n = (i.defaults = function(a, b) {
            j(b, "object") || (b = {});
            var c = m(a);
            for (var d in b) b.hasOwnProperty(d) && (c[d] = b[d]);
            return c
        }, i.degreesToRadians = function(a) {
            if (!j(a, "number")) throw new TypeError("Degrees is not a number");
            return a * f
        }, i.getFn = function(a, b, c) {
            return k(b) ? b : l(b) && k(a[b.toLowerCase()]) ? a[b.toLowerCase()] : a[c]
        }, {});
    n.linear = function(a, b) {
        return b
    }, n.sinein = function(a, b) {
        return b * (Math.sin(a * Math.PI - h) + 1) * .5
    }, n.sineout = function(a, b) {
        return b * (Math.sin(a * Math.PI + h) + 1) * .5
    }, n.sineinout = function(a, b) {
        return b * (Math.sin(a * g - h) + 1) * .5
    };
    var o = {};
    o.sine = function(a) {
        return Math.sin(a)
    }, o.sin = o.sine, o.sign = function(a) {
        return a = +a, 0 === a || isNaN(a) ? a : a > 0 ? 1 : -1
    }, o.square = function(a) {
        return o.sign(Math.sin(a * g))
    }, o.sawtooth = function(a) {
        return 2 * (a - Math.floor(a + .5))
    }, o.triangle = function(a) {
        return Math.abs(o.sawtooth(a))
    }, a.prototype.options = {
        speed: 10,
        rotate: 0,
        ease: "Linear",
        wavesWidth: "95%"
    }, a.prototype.setupWaveFns = function() {
        for (var a = -1, b = this.waves.length; ++a < b;) this.waves[a].waveFn = i.getFn(o, this.waves[a].type, "sine")
    }, a.prototype.setupUserFunctions = function() {
        i.isFunction(this.options.resizeEvent) && (this.options.resizeEvent.call(this), window.addEventListener("resize", this.options.resizeEvent.bind(this))), i.isFunction(this.options.initialize) && this.options.initialize.call(this)
    };
    var p = {
        timeModifier: 1,
        amplitude: 50,
        wavelength: 50,
        segmentLength: 10,
        lineWidth: 1,
        strokeStyle: "rgba(255, 255, 255, 0.2)",
        type: "Sine"
    };
    return a.prototype.getDimension = function(a) {
        return i.isNumber(this.options[a]) ? this.options[a] : i.isFunction(this.options[a]) ? this.options[a].call(this, this.el) : "width" === a ? this.el.clientWidth : "height" === a ? this.el.clientHeight : void 0
    }, a.prototype.updateDimensions = function() {
        var a = this.getDimension("width"),
            c = this.getDimension("height");
        this.width = this.el.width = a * this.dpr, this.height = this.el.height = c * this.dpr, this.el.style.width = a + "px", this.el.style.height = c + "px", this.waveWidth = b(this.options.wavesWidth, this.width), this.waveLeft = (this.width - this.waveWidth) / 2, this.yAxis = this.height / 2
    }, a.prototype.clear = function() {
        this.ctx.clearRect(0, 0, this.width, this.height)
    }, a.prototype.time = 0, a.prototype.update = function(a) {
        this.time = this.time - .007, "undefined" == typeof a && (a = this.time);
        var b = -1,
            c = this.waves.length;
        for (this.clear(), this.ctx.save(), this.rotation > 0 && (this.ctx.translate(this.width / 2, this.height / 2), this.ctx.rotate(this.rotation), this.ctx.translate(-this.width / 2, -this.height / 2)); ++b < c;) {
            var d = this.waves[b].timeModifier || 1;
            this.drawWave(a * d, this.waves[b])
        }
        this.ctx.restore(), b = void 0, c = void 0
    }, a.prototype.getPoint = function(a, b, c) {
        var d = a * this.options.speed + (-this.yAxis + b) / c.wavelength,
            e = c.waveFn.call(this, d, o),
            f = this.easeFn.call(this, b / this.waveWidth, c.amplitude);
        return d = b + this.waveLeft, e = f * e + this.yAxis, {
            x: d,
            y: e
        }
    }, a.prototype.drawWave = function(a, b) {
        b = i.defaults(p, b), this.ctx.lineWidth = b.lineWidth * this.dpr, this.ctx.strokeStyle = b.strokeStyle, this.ctx.lineCap = "butt", this.ctx.lineJoin = "round", this.ctx.beginPath(), this.ctx.moveTo(0, this.yAxis), this.ctx.lineTo(this.waveLeft, this.yAxis);
        var c, d;
        for (c = 0; c < this.waveWidth; c += b.segmentLength) d = this.getPoint(a, c, b), this.ctx.lineTo(d.x, d.y), d = void 0;
        c = void 0, b = void 0, this.ctx.lineTo(this.width, this.yAxis), this.ctx.stroke()
    }, a.prototype.running = !0, a.prototype.loop = function() {
        this.running === !0 && this.update(), window.requestAnimationFrame(this.loop.bind(this))
    }, a.prototype.Waves = o, a.prototype.Ease = n, a
}), $(function() {
    var a = new SineWaves({
            el: document.getElementById("waves"),
            //设置正弦波速度 刘明注释
            speed: 4,
            width: function() {
                var a = $(document).width();
                //原来的值, 设置正弦波的宽度, 现在设置为与元素同宽
                //return 768 > a ? 3 * $("#waves").parent().width() : 1.4 * $("#waves").parent().width()
                return 1.4 * $("#waves").parent().width()
            },
            height: function() {
                return $("#waves").parent().height()
            },
            //原来的值, 可以正弦波宽度, 居中, 两边超出部分隐藏
            //wavesWidth: "100%",
            wavesWidth: "130%",//150
            ease: "SineInOut",
            waves: [{
                timeModifier: .5,
                lineWidth: 2,
                amplitude: 150,
                wavelength: 200,
                segmentLength: 1
            }, {
                timeModifier: .5,
                lineWidth: 2,
                amplitude: 100,
                wavelength: 150,
                segmentLength: 1
            }, {
                timeModifier: .5,
                lineWidth: 2,
                amplitude: 50,
                wavelength: 80,
                segmentLength: 1
            }],
            initialize: function() {},
            resizeEvent: function() {
                var a = this.ctx.createLinearGradient(0, 0, this.width, 0);
                //原来的值, 设置线条渐变透明度, 以及开始激变的位置
                //a.addColorStop(0, "rgba(255, 255, 255, 0)"), a.addColorStop(.5, "rgba(255, 255, 255, 0.2)"), a.addColorStop(1, "rgba(255, 255, 255, 0)");
                a.addColorStop(0, "rgba(255, 255, 255, 0)"), a.addColorStop(.1, "rgba(255, 255, 255, 0.2)"), a.addColorStop(1, "rgba(255, 255, 255, 0)");
                for (var b = -1, c = this.waves.length; ++b < c;) this.waves[b].strokeStyle = a;
                b = void 0, c = void 0, a = void 0
            }
        }),
        b = $("#waves"),
        c = $(document).scrollTop(),
        d = $(document).scrollTop() + $(window).height(),
        e = b.offset().top + b.height(),
        f = b.offset().top;
    (c > e || f > d) && (a.running = !1, a.update()), $(window).bind("scroll", function() {
        c = $(document).scrollTop(), d = $(document).scrollTop() + $(window).height(), e = b.offset().top + b.height(), f = b.offset().top, c > e || f > d ? (a.running = !1, a.update()) : (a.running = !0, a.update())
    })
});

</script>