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历届学生/front-end-team/项目练习/学生项目/缪虎/123.html/自己练习/练习/图片雨/photo.html

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+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+    <style>
+        * {
+            margin: 0;
+            padding: 0;
+        }
+
+        body {
+            height: 100%;
+            position: relative;
+            height: 100vh;
+            overflow: hidden;
+        }
+
+        img {
+            position: absolute;
+            width: 120px;
+
+        }
+
+        .alert {
+            position: inherit;
+            width: 100%;
+            height: 100%;
+            background: #0000008f;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            z-index: 8;
+        }
+
+        .alert .alert_warp {
+            width: 32%;
+            background: #fff;
+            height: 300px;
+            padding: 15px;
+            box-sizing: border-box;
+            display: flex;
+            flex-direction: column;
+        }
+
+        .alert_warp .alert_title {
+            display: flex;
+            justify-content: space-between;
+            height: 45px;
+            align-items: center;
+            border-bottom: 1px solid #e6e6e6;
+        }
+
+        .alert_body {
+            flex: 1;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+        }
+
+        .hidden {
+            display: none;
+        }
+    </style>
+</head>
+
+<body>
+    <div class="alert hidden">
+        <div class="alert_warp">
+            <div class="alert_title">
+                <span>恭喜中奖</span>
+                <span class="close">x</span>
+            </div>
+            <div class="alert_body">
+                恭喜抽中9折优惠券
+            </div>
+        </div>
+    </div>
+</body>
+<script>
+    //随机生成图片+图片的移动
+    //点击图片 图片点击事件 图片暂停 关闭图片弹窗 和重新运动
+    var clientWidth = $("body").clientWeight,
+        clientHeight = $("body").clientHeight,
+        alert = $(".alert"),
+        text = $(".alert_body"),
+        close = $(".alert_title .close"),
+        clickImg = null,  // 保存你点击的图片的虚拟dom对象
+        body = $("body"),
+        createdId = null
+    //生成图片  图片运动  
+
+
+
+    //随机生成图片
+    function createdHB() {
+        var x = parseInt(Math.randmo() * (clientwidth - 80))
+        var img = document.createElement("img");
+        img.src = "./p.png"
+        img.style = `
+              left: ${x}px;
+              top :-105px;
+            `
+        //红包点击事件
+
+        img.onclick = function () {
+            clickImg = img;
+
+            probability()
+            alert.classList.remove("hidden")
+            clearInterval(craetedId)
+            allImgAction(2)
+
+        }
+        body.appendchild(img)
+        motion(img)
+    }
+
+
+
+
+    //设置定时器让红包运动起来
+    function mation(el) {
+        el.num = setInterval(function () {
+            var topSet = parseInt(el.style.top) + 1
+            el.style.top = `${topSet}px`
+            if (topSet > clientHeight) {
+                $(".body").removechild(el)
+                clearInterval(el.num)
+            }
+        }, 6)
+    }
+
+
+
+    //关闭弹窗
+    close.onclick = function () {
+        $("body").removechild(clickImg)
+        alert.classList.add("hidden")
+        allImgAction(1)
+        //开始创建红包以及所需要的时间
+        autoCreated()
+    }
+
+    //计算概率
+    function probability() {
+        var prob = Math.random();
+        if (prob <= 0.2) {
+            text.innerText = `${prob}恭喜您中了1折优惠卷`
+        } else if (0.2 < prob && prob <= 0.8) {
+            text.innerText = `${prob}恭喜您中了7 折优惠卷`
+        } else if (prob > 0.8) {
+            text.innerText = `${prob}恭喜您中了3折优惠卷`
+        }
+    }
+
+
+
+    function allImgAction(type) {
+        var allImg = document.querySelectorAll("img");
+        allImg.forEach(function (v) {
+            type == 1 ? motion(v) : clearInterval(v.num)
+        })
+    }
+
+
+    function autoCreated() {
+        createdId = setInterval(function () {
+            createdHb()
+        }, 1000)
+    }
+
+    autoCreated()
+
+    function $(className) {
+        return document.querySelector(className)
+    }
+
+</script>
+
+</html>