486 lines
13 KiB
HTML
486 lines
13 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>翻页时钟</title>
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<style type="text/css">
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.single-demo {
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margin: 50px auto;
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padding: 30px;
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width: 600px;
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text-align: center;
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border: solid 1px #999;
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}
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.flip {
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display: inline-block;
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position: relative;
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width: 60px;
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height: 100px;
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line-height: 100px;
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border: solid 1px #000;
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border-radius: 10px;
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background: #fff;
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font-size: 66px;
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color: #fff;
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box-shadow: 0 0 6px rgba(0, 0, 0, .5);
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text-align: center;
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font-family: "Helvetica Neue",serif
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}
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.flip .digital:before,
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.flip .digital:after {
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content: "";
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position: absolute;
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left: 0;
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right: 0;
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background: #000;
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overflow: hidden;
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box-sizing: border-box;
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}
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.flip .digital:before {
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top: 0;
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bottom: 50%;
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border-radius: 10px 10px 0 0;
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border-bottom: solid 1px #666;
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}
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.flip .digital:after {
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top: 50%;
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bottom: 0;
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border-radius: 0 0 10px 10px;
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line-height: 0;
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}
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/*向下翻*/
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.flip.down .front:before {
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z-index: 3;
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}
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.flip.down .back:after {
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z-index: 2;
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transform-origin: 50% 0%;
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transform: perspective(160px) rotateX(180deg);
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}
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.flip.down .front:after,
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.flip.down .back:before {
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z-index: 1;
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}
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.flip.down.go .front:before {
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transform-origin: 50% 100%;
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animation: frontFlipDown 0.6s ease-in-out both;
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box-shadow: 0 -2px 6px rgba(255, 255, 255, 0.3);
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backface-visibility: hidden;
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}
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.flip.down.go .back:after {
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animation: backFlipDown 0.6s ease-in-out both;
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}
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/*向上翻*/
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.flip.up .front:after {
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z-index: 3;
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}
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.flip.up .back:before {
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z-index: 2;
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transform-origin: 50% 100%;
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transform: perspective(160px) rotateX(-180deg);
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}
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.flip.up .front:before,
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.flip.up .back:after {
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z-index: 1;
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}
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.flip.up.go .front:after {
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transform-origin: 50% 0;
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animation: frontFlipUp 0.6s ease-in-out both;
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box-shadow: 0 2px 6px rgba(255, 255, 255, 0.3);
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backface-visibility: hidden;
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}
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.flip.up.go .back:before {
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animation: backFlipUp 0.6s ease-in-out both;
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}
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@keyframes frontFlipDown {
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0% {
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transform: perspective(160px) rotateX(0deg);
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}
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100% {
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transform: perspective(160px) rotateX(-180deg);
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}
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}
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@keyframes backFlipDown {
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0% {
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transform: perspective(160px) rotateX(180deg);
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}
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100% {
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transform: perspective(160px) rotateX(0deg);
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}
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}
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@keyframes frontFlipUp {
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0% {
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transform: perspective(160px) rotateX(0deg);
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}
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100% {
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transform: perspective(160px) rotateX(180deg);
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}
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}
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@keyframes backFlipUp {
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0% {
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transform: perspective(160px) rotateX(-180deg);
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}
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100% {
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transform: perspective(160px) rotateX(0deg);
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}
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}
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.flip .number0:before,
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.flip .number0:after {
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content: "0";
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}
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.flip .number1:before,
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.flip .number1:after {
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content: "1";
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}
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.flip .number2:before,
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.flip .number2:after {
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content: "2";
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}
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.flip .number3:before,
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.flip .number3:after {
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content: "3";
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}
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.flip .number4:before,
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.flip .number4:after {
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content: "4";
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}
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.flip .number5:before,
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.flip .number5:after {
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content: "5";
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}
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.flip .number6:before,
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.flip .number6:after {
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content: "6";
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}
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.flip .number7:before,
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.flip .number7:after {
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content: "7";
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}
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.flip .number8:before,
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.flip .number8:after {
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content: "8";
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}
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.flip .number9:before,
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.flip .number9:after {
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content: "9";
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}
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.clock {
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text-align: center;
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margin-bottom: 200px;
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}
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.clock em {
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display: inline-block;
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line-height: 102px;
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font-size: 66px;
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font-style: normal;
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vertical-align: top;
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}
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</style>
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</head>
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<body>
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<div class="single-demo">
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<div class="flip down" id="flip">
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<div class="digital front number0"></div>
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<div class="digital back number1"></div>
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</div>
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<div class="btn-con">
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<button id="btn1">向下翻+1</button>
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<button id="btn2">向上翻-1</button>
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</div>
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</div>
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<div class="clock" id="clock">
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<div class="flip down">
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<div class="digital front number0"></div>
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<div class="digital back number1"></div>
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</div>
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<div class="flip down">
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<div class="digital front number0"></div>
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<div class="digital back number1"></div>
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</div>
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<em>:</em>
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<div class="flip down">
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<div class="digital front number0"></div>
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<div class="digital back number1"></div>
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</div>
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<div class="flip down">
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<div class="digital front number0"></div>
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<div class="digital back number1"></div>
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</div>
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<em>:</em>
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<div class="flip down">
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<div class="digital front number0"></div>
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<div class="digital back number1"></div>
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</div>
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<div class="flip down">
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<div class="digital front number0"></div>
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<div class="digital back number1"></div>
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</div>
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</div>
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<script>
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const flip = document.getElementById('flip');
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const backNode = document.querySelector('.back');
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const frontNode = document.querySelector('.front');
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const btn1 = document.getElementById('btn1');
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const btn2 = document.getElementById('btn2');
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btn1.addEventListener('click', function () {
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flipDown();
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})
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btn2.addEventListener('click', function () {
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flipUp();
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})
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// 当前数字
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let count = 0;
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// 是否正在翻转（防止翻转未结束就进行下一次翻转）
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let isFlipping = false;
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// 向下翻转+1
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function flipDown() {
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// 如果处于翻转中，则不执行
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if (isFlipping) {
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return false
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}
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// 设置前牌的文字
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frontNode.setAttribute('class', 'digital front number' + count)
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// 计算后牌文字（越界判断）
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const nextCount = count >= 9 ? 0 : (count + 1);
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// 设置后牌的文字
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backNode.setAttribute('class', 'digital back number' + nextCount)
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// 添加go，执行翻转动画
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flip.setAttribute('class', 'flip down go')
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// 当翻转态设置为true
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isFlipping = true
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// 翻转结束后，恢复状态
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setTimeout(function () {
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// 去掉go
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flip.setAttribute('class', 'flip down')
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// 当翻转态设置为false
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isFlipping = false
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// 设置前牌文字为+1后的数字
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frontNode.setAttribute('class', 'digital front number' + nextCount)
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// 更新当前文字
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count = nextCount
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}, 1000)
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}
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// 向上翻转-1（同理，注释略）
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function flipUp() {
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if (isFlipping) {
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return false
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}
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frontNode.setAttribute('class', 'digital front number' + count)
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const nextCount = count <= 0 ? 9 : (count - 1);
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backNode.setAttribute('class', 'digital back number' + nextCount)
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flip.setAttribute('class', 'flip up go')
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isFlipping = true
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setTimeout(function () {
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flip.setAttribute('class', 'flip up')
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isFlipping = false
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frontNode.setAttribute('class', 'digital front number' + nextCount)
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count = nextCount
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}, 1000)
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}
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/* 时钟代码 */
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// 时钟翻牌
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function Flipper(config) {
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// 默认配置
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this.config = {
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// 时钟模块的节点
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node: null,
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// 初始前牌文字
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frontText: 'number0',
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// 初始后牌文字
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backText: 'number1',
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// 翻转动画时间（毫秒，与翻转动画CSS 设置的animation-duration时间要一致）
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duration: 600
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}
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// 节点的原本class，与html对应，方便后面添加/删除新的class
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this.nodeClass = {
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flip: 'flip',
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front: 'digital front',
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back: 'digital back'
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}
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// 覆盖默认配置
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Object.assign(this.config, config)
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// 定位前后两个牌的DOM节点
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this.frontNode = this.config.node.querySelector('.front')
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this.backNode = this.config.node.querySelector('.back')
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// 是否处于翻牌动画过程中（防止动画未完成就进入下一次翻牌）
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this.isFlipping = false
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// 初始化
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this._init()
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}
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Flipper.prototype = {
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constructor: Flipper,
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// 初始化
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_init: function () {
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// 设置初始牌面字符
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this._setFront(this.config.frontText)
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this._setBack(this.config.backText)
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},
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// 设置前牌文字
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_setFront: function (className) {
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this.frontNode.setAttribute('class', this.nodeClass.front + ' ' + className)
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},
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// 设置后牌文字
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_setBack: function (className) {
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this.backNode.setAttribute('class', this.nodeClass.back + ' ' + className)
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},
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_flip: function (type, front, back) {
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// 如果处于翻转中，则不执行
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if (this.isFlipping) {
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return false
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}
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// 设置翻转状态为true
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this.isFlipping = true
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// 设置前牌文字
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this._setFront(front)
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// 设置后牌文字
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this._setBack(back)
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// 根据传递过来的type设置翻转方向
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let flipClass = this.nodeClass.flip;
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if (type === 'down') {
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flipClass += ' down'
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} else {
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flipClass += ' up'
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}
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// 添加翻转方向和执行动画的class，执行翻转动画
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this.config.node.setAttribute('class', flipClass + ' go')
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// 根据设置的动画时间，在动画结束后，还原class并更新前牌文字
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setTimeout(() => {
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// 还原class
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this.config.node.setAttribute('class', flipClass)
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// 设置翻转状态为false
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this.isFlipping = false
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// 将前牌文字设置为当前新的数字，后牌因为被前牌挡住了，就不用设置了。
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this._setFront(back)
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}, this.config.duration)
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},
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// 下翻牌
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flipDown: function (front, back) {
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this._flip('down', front, back)
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},
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// 上翻牌
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flipUp: function (front, back) {
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this._flip('up', front, back)
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}
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}
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// 定位时钟模块
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let clock = document.getElementById('clock')
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// 定位6个翻板
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let flips = clock.querySelectorAll('.flip')
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// 获取当前时间
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let now = new Date()
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// 格式化当前时间，例如现在是20:30:10，则输出"203010"字符串
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let nowTimeStr = formatDate(now, 'hhiiss')
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// 格式化下一秒的时间
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let nextTimeStr = formatDate(new Date(now.getTime() + 1000), 'hhiiss')
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// 定义牌板数组，用来存储6个Flipper翻板对象
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let flipObjs = []
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for (let i = 0; i < flips.length; i++) {
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// 创建6个Flipper实例，并初始化
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flipObjs.push(new Flipper({
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// 每个flipper实例按数组顺序与翻板DOM的顺序一一对应
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node: flips[i],
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// 按数组顺序取时间字符串对应位置的数字
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frontText: 'number' + nowTimeStr[i],
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backText: 'number' + nextTimeStr[i]
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}))
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}
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// 开始计时
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setInterval(function () {
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// 获取当前时间
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let now = new Date()
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let nowTimeStr = formatDate(new Date(now.getTime() - 1000), 'hhiiss')
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let nextTimeStr = formatDate(now, 'hhiiss')
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for (let i = 0; i < flipObjs.length; i++) {
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if (nowTimeStr[i] === nextTimeStr[i]) {
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continue
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}
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flipObjs[i].flipDown('number' + nowTimeStr[i], 'number' + nextTimeStr[i])
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}
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}, 1000)
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//正则格式化日期
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function formatDate(date, dateFormat) {
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/* 单独格式化年份，根据y的字符数量输出年份
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* 例如：yyyy => 2019
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yy => 19
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y => 9
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*/
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if (/(y+)/.test(dateFormat)) {
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dateFormat = dateFormat.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length));
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}
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// 格式化月、日、时、分、秒
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let o = {
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'm+': date.getMonth() + 1,
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'd+': date.getDate(),
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'h+': date.getHours(),
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'i+': date.getMinutes(),
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's+': date.getSeconds()
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};
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for (let k in o) {
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if (new RegExp(`(${k})`).test(dateFormat)) {
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// 取出对应的值
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let str = o[k] + '';
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/* 根据设置的格式，输出对应的字符
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* 例如: 早上8时，hh => 08，h => 8
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* 但是，当数字>=10时，无论格式为一位还是多位，不做截取，这是与年份格式化不一致的地方
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* 例如: 下午15时，hh => 15, h => 15
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*/
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dateFormat = dateFormat.replace(RegExp.$1, (RegExp.$1.length === 1) ? str : padLeftZero(str));
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}
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}
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return dateFormat;
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}
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//日期时间补零
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function padLeftZero(str) {
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return ('00' + str).substr(str.length);
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}
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</script>
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</body>
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</html>
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