//rgb颜色随机
        function rgb() {
            var r = Math.floor(Math.random()*256);
            var g = Math.floor(Math.random()*256);
            var b = Math.floor(Math.random()*256);
            var rgb = '('+r+','+g+','+b+')';
            console.log("当前颜色：" + rgb);
            return rgb;
        }
 
        // 16进制随机颜色
        function randomColor() {
            return "#" + Math.floor(Math.random() * 16777215).toString(16);
        }
 
        !function () {
 
            function n(n, e, t) {
 
                return n.getAttribute(e) || t
 
            }
 
            function e(n) {
 
                return document.getElementsByTagName(n)
 
            }
 
            function t() {
 
                var t = e("script"), o = t.length, i = t[o - 1];
 
                return {
 
                    l: o, z: n(i, "zIndex", -1), o: n(i, "opacity", .5), c: n(i, "color", "0,0,0"), n: n(i, "count", 99)
 
                }
 
            }
 
            function o() {
 
                a = m.width = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth,
 
                    c = m.height = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight
 
            }
 
            function i() {
 
                r.clearRect(0, 0, a, c);
 
                var n, e, t, o, m, l;
 
                s.forEach(function (i, x) {
 
                    for (i.x += i.xa, i.y += i.ya, i.xa *= i.x > a || i.x < 0 ? -1 : 1, i.ya *= i.y > c || i.y < 0 ? -1 : 1, r.fillRect(i.x - .5, i.y - .5, 1, 1), e = x + 1; e < u.length; e++)n = u[e],
 
                        null !== n.x && null !== n.y && (o = i.x - n.x, m = i.y - n.y,
 
                            l = o * o + m * m, l < n.max && (n === y && l >= n.max / 2 && (i.x -= .03 * o, i.y -= .03 * m),
 
                                // t = (n.max - l) / n.max, r.beginPath(), r.lineWidth = t / 2, r.strokeStyle = "rgba(" + d.c + "," + (t + .2) + ")", r.moveTo(i.x, i.y), r.lineTo(n.x, n.y), r.stroke()))
                                t = (n.max - l) / n.max, r.beginPath(), r.lineWidth = t / 2, r.strokeStyle = randomColor(), r.moveTo(i.x, i.y), r.lineTo(n.x, n.y), r.stroke()))
 
                }),
 
                    x(i)
 
            }
 
            var a, c, u, m = document.createElement("canvas"),
 
                d = t(), l = "c_n" + d.l, r = m.getContext("2d"),
 
                x = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame ||
 
                    function (n) {
 
                        window.setTimeout(n, 1e3 / 45)
 
                    },
 
                w = Math.random, y = { x: null, y: null, max: 2e4 }; m.id = l, m.style.cssText = "position:fixed;top:0;left:0;z-index:" + d.z + ";opacity:" + d.o, e("body")[0].appendChild(m), o(), window.onresize = o,
 
                    window.onmousemove = function (n) {
 
                        n = n || window.event, y.x = n.clientX, y.y = n.clientY
 
                    },
 
                    window.onmouseout = function () {
 
                        y.x = null, y.y = null
 
                    };
 
            for (var s = [], f = 0; d.n > f; f++) {
 
                var h = w() * a, g = w() * c, v = 2 * w() - 1, p = 2 * w() - 1; s.push({ x: h, y: g, xa: v, ya: p, max: 6e3 })
 
            }
 
            u = s.concat([y]),
 
                setTimeout(function () { i() }, 100)
 
        }();