strjun-fetch/clock.html at master · StringLiu2/strjun-fetch · GitHub

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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>
        ul {
            list-style: none;
        }

        .canvas {
            position: absolute;
            width: 401px;
            height: 401px;
            top: 80px;
            left: 50%;
            transform: translateX(-50%);
        }

        .timepiece {
/*            background-color: lightgreen;*/
            position: relative;
            width: 401px;
            height: 401px;
            border: 2px solid #000;
            box-shadow: 2px 3px 30px #aaa;
            border-radius: 50%;
            margin: 80px auto;
            user-select: none;
        }

        .constantly .li {
            position: absolute;
            left: 50%;
            top: 0;
            transform: translate(-50%);
            width: 2px;
            height: 9px;
            background-color: #000;
            transform-origin: center 200px;
        }

        .constantly .lip {
            width: 4px;
            height: 12px;
        }

        .interval {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 30px;
            height: 30px;
            background-color: #fff;
            border-radius: 50%;
            text-align: center;
            line-height: 100px;
            z-index: 2;
            box-shadow: 0 3px 20px #000;
        }

        .second {
            position: absolute;
            left: 50%;
            top: 0px;
            transform: translateX(-50%);
            transform-origin: center 200px;
            width: 8px;
            height: 18px;
            background-color: aqua;
            /* border-bottom-left-radius: 4px;
            border-bottom-right-radius: 4px; */
            border-radius: 8px;

        }

        .minute {
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -100%);
            width: 5px;
            height: 180px;
            background-color: #fff;
            border-radius: 2px;
            transform-origin: bottom;
            box-shadow: 0 0 10px #666;
        }

        a {
            position: absolute;
            font-size: 22px;
            font-weight: blod;
        }

        a:nth-of-type(1) {
            top: -34px;
            left: 50%;
            transform: translateX(-50%);
        }

        a:nth-of-type(2) {
            right: -34px;
            transform: translateY(-50%);
            top: 50%;
        }

        a:nth-of-type(3) {
            bottom: -34px;
            left: 50%;
            transform: translateX(-50%);
        }

        a:nth-of-type(4) {
            transform: translateY(-50%);
            top: 50%;
            left: -34px;
        }

        button {
            cursor: pointer;
            border: 2px solid #ccc;

            width: 140px;
            height: 44px;
            border-radius: 30px;
            color: #fff;
            background-color: #3383ff;
        }

        button[disabled=true] {
            opacity: 0.6;
            color: #aaa;
            cursor: no-drop;
        }

        .input,
        .input2 {
            width: 200px;
            height: 40px;
            padding: 0 16px;
            border-radius: 10px;
            box-sizing: border-box;
            border: 2px solid #ccc;
        }

        .setting {
            width: 500px;
            margin: 0 auto;
        }

        .select {
            border: 2px solid #ccc;
            width: 200px;
            height: 40px;
            border-radius: 16px;
        }

    </style>
</head>

<body>
    <canvas class="canvas" width="401" height="401"></canvas>
    <div class="timepiece">
        <a>0</a>
        <a>15</a>
        <a>30</a>
        <a>45</a>
        <!-- 钟表的时刻 -->
        <ul class="constantly"></ul>
        <!-- 钟表的中间 -->
        <div class="interval"></div>
        <!-- 绘制一个分钟的指针 -->
        <div class="minute"></div>
    </div>

    <div class="setting">

        <button class="start">开始</button>

        <button class="pause">暂停</button>

        <button class="reset">重置</button>

        <p>
            当前时间：
            <input class="input" type="number" placeholder="请输入time"></input>
            s
        </p>

        <p>
            定时器：
            <input class="input2" type="number"></input>
            ms
        </p>


        <p>
            铃声：
            <select class="select"></select>
        </p>
    </div>

    <script>
        const timepiece = document.querySelector('.timepiece');
        const ul = document.querySelector('.constantly')
        const interval = document.querySelector('.interval')
        const minute = document.querySelector('.minute')
        const canvas = document.querySelector('.canvas')

        const startBtn = document.querySelector('.start');
        const pauseBtn = document.querySelector('.pause');
        const resetBtn = document.querySelector('.reset');

        const input = document.querySelector(".input");
        const input2 = document.querySelector(".input2");

        const select = document.querySelector('.select');

        const ctx = canvas.getContext('2d');

        const centerX = canvas.width / 2;
        const centerY = canvas.height / 2;
        const radius = canvas.height / 2;

        const startAngle = Math.PI * 1.5;

        // 遍历实现时钟刻度
        for (let i = 0; i < 12; i++) {
            let li = document.createElement('li')
            li.style.transform = `translate(-50%) rotate(${i * 30}deg)`
            ul.appendChild(li)
            ul.children[i].classList.add('li')
        }

        for (let j = 0; j < 4; j++) {
            ul.children[j * 3].classList.add('lip')
        }

        const MAX_TIME = 3600;
        // 1deg 等于 10秒，360deg = 3600s
        const ONE_DEG = 10;

        // 五分钟走一格
        let time = 0;
        // 设置定时器让时钟实时动起来
        let timer = null;
        // 设定的定时器多少秒执行一次
        let startIntervalTime = 1000;

        let audio = null;


        const oneDegValue = Math.PI / 180;
        let curDeg = time / 10;

        init();

        function start() {
            timer = setInterval(() => {
                time++;
                // time += 10;
                render();
            }, startIntervalTime);
        }

        function pause() {
            clearInterval(timer);
            timer = null;
        }

        function renderElement() {
            input.value = time;

            const deg = time / ONE_DEG;
            curDeg = deg;
            ctx.clearRect(0, 0, canvas.width, canvas.height);
            ctx.save();
            if (deg > 270) {
                // 红色
                ctx.fillStyle = 'red';
            } else if (deg > 180) {
                // 黄色
                ctx.fillStyle = 'yellow';
            } else if (deg >= 90) {
                // 蓝色
                ctx.fillStyle = 'lightblue';
            } else {
                // 绿色
                ctx.fillStyle = 'lightgreen';
            }
            ctx.beginPath();
            ctx.moveTo(centerX, centerY);
            ctx.arc(centerX, centerY, radius, startAngle, startAngle - (Math.PI * (2 - (deg / 180))), true);
            ctx.lineTo(centerX, centerY);
            ctx.closePath();
            ctx.fill();
            ctx.restore();

            minute.style.transform = `translate(-50%, -100%) rotate(${deg}deg)`;
        }


        function render() {
            if (time >= MAX_TIME) {
                pause();
                if (audio) {
                    audio = audio.url === select.value ? audio : new Audio(select.value);
                    audio.play();
                }
                resetBtn.removeAttribute("disabled");
                pauseBtn.setAttribute("disabled", true);
            }
            renderElement();
        }

        function init() {
            render();

            input2.value = startIntervalTime;
            pauseBtn.setAttribute('disabled', true);
            resetBtn.setAttribute('disabled', true);

            startBtn.addEventListener("click", () => {
                if (!timer) {
                    start();
                    audio && audio.pause();
                    input.setAttribute('disabled', true);
                    input2.setAttribute('disabled', true);
                    select.setAttribute('disabled', true);
                    startBtn.setAttribute('disabled', true);
                    pauseBtn.removeAttribute('disabled');
                    resetBtn.setAttribute('disabled', true);
                }
            });

            pauseBtn.addEventListener("click", () => {
                input.removeAttribute('disabled');
                input2.removeAttribute('disabled');
                select.removeAttribute('disabled');
                startBtn.removeAttribute('disabled');
                pauseBtn.setAttribute('disabled', true);
                resetBtn.removeAttribute('disabled');
                pause();
            });

            resetBtn.addEventListener("click", () => {
                audio && audio.pause();
                resetBtn.setAttribute('disabled', true);
                input.removeAttribute('disabled');
                input2.removeAttribute('disabled');
                select.removeAttribute('disabled');
                startBtn.removeAttribute('disabled');
                pauseBtn.setAttribute('disabled', true);

                time = 0;
                input.value = time;
                render();
            });

            input.addEventListener("change", e => {
                const value = Math.min(Math.abs(parseInt(e.target.value)), 3600);

                e.target.value = value;

                time = value;
                render();
            });

            input2.addEventListener("change", e => {
                const value = Math.abs(parseInt(e.target.value));

                e.target.value = value;

                startIntervalTime = value;
            });

            createSelect();

            createDrag();
        }

        function createSelect() {
            const mp3List = [
                {
                    value: "https://hao.haolingsheng.com/ring/000/995/52513bb6a4546b8822c89034afb8bacb.mp3",
                    label: "歌曲《是我太傻了》"
                },
                {
                    value: "https://hao.haolingsheng.com/ring/000/965/231624ece7e0b9646a9ff9bed66171c4.mp3",
                    label: "歌曲《告白气球》"
                },
                {
                    value: "https://hao.haolingsheng.com/ring/000/993/fc0fab7d5d00c2b345b4f57913df868b.mp3",
                    label: "歌曲《等你下课》"
                },
                {
                    value: "https://hao.haolingsheng.com/ring/000/965/4e42a8159a0f5c25f1515f10f50b22e8.mp3",
                    label: "歌曲《爱情废柴》"
                },
                {
                    value: "https://hao.haolingsheng.com/ring/000/995/f1b408f77bc8d27a6f5665c1be02df5d.mp3",
                    label: "歌曲《Making Me Feel》"
                },
                {
                    value: "https://hao.haolingsheng.com/ring/000/995/6f98624d7ca22b56291a09ea08812c94.mp3",
                    label: "歌曲《No matter》"
                },
                {
                    value: "https://hao.haolingsheng.com/ring/000/970/5704d7c21c42ddab6456f6aa25620960.mp3",
                    label: "iphone7 铃声"
                },
                {
                    value: "https://hao.haolingsheng.com/ring/000/982/3dac89285d5412642006598c09c907af.mp3",
                    label: "歌曲《Despacito (Remix)》"
                },
                {
                    value: "https://hao.haolingsheng.com/ring/000/977/f35a119f8b07cf1f81e091e5c0823d2b.mp3",
                    label: "歌曲《I Miss You》"
                },
                {
                    value: "https://hao.haolingsheng.com/ring/000/977/bfb42d74c4d03597060341477a757579.mp3",
                    label: "歌曲《光年之外》"
                },
                {
                    value: "https://hao.haolingsheng.com/ring/000/995/899004608491de178a7234ab5538feb9.mp3",
                    label: "歌曲《Next of Kin》"
                }
            ];


            const documentFragment = document.createDocumentFragment();
            mp3List.forEach(item => {
                const option = document.createElement("option");
                option.value = item.value;
                option.innerText = item.label;

                documentFragment.appendChild(option);
            });

            select.appendChild(documentFragment);

            audio = new Audio(select.value || mp3List[0].value);
        }


        function createDrag(){
            let isDrag = false;
            // 是否绑定了事件
            let isBindEvent = false;
            function startDrag (ev) {
                // 开始计时了，不能移动
                if (timer) return;
                isDrag = true;
               // 获取旧位置
                const disX = ev.clientX - minute.offsetLeft;
                const disY = ev.clientY - minute.offsetTop;

                function mousemove(e){
                    if (!isDrag) return;
                    // 设置新位置
                    const x = e.clientX - disX - radius;
                    // 145是指针的高度
                    const y = radius - (e.clientY - disY - 145);

                    const sqrt = Math.sqrt(x * x + y * y);
                    let cos = Math.acos(y / sqrt);

                    let deg = cos / oneDegValue;
                    if (x < 0) {
                        deg = (Math.PI * 2 - cos) / oneDegValue;
                    }

                    time = parseInt(parseFloat((deg).toFixed(2)) * 10);

                    renderElement();
                };

                function mouseup () {
                    isDrag = false;
                };
                if (isBindEvent) return;
                isBindEvent = true;
                timepiece.addEventListener('mousemove', mousemove);

                timepiece.addEventListener('mouseup', mouseup);

                // timepiece.addEventListener('touchmove', mouseup);
                return false;
            }
            // minute.addEventListener("touchstart", startDrag)
            minute.addEventListener("mousedown", startDrag);

            // 处理移出去当前元素后，不能drag
            document.addEventListener("mouseout", function(e) {
                if (timepiece.contains(e.target)) {
                    return;
                }
                isDrag = false;
            });

            // document.addEventListener("touchend", function(e) {
            //     if (timepiece.contains(e.target)) {
            //         return;
            //     }
            //     isDrag = false;
            // });
        };
    </script>
</body>

</html>