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社区首页 >问答首页 >如何每30秒刷新一次DIV内容？

问如何每30秒刷新一次DIV内容？
EN

Stack Overflow用户
提问于 2022-04-26 04:28:43
回答 2查看 1.1K关注 0票数 1

我正在尝试每30秒刷新一次特定的div。我的HTML页面上还有其他div，但是它们不需要刷新。

其想法是重新加载/刷新div本身。

我试过这个剧本，但没能成功。这里是我的HTML和Javascript代码，我的html文件中的路径是

​

代码语言：javascript
复制
<link rel="stylesheet" href="./difcol.css" type="text/css" media="screen">

以下是用于刷新的css文件。

​

​

代码语言：javascript
复制
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script>
  $(document).ready(function() {
    setInterval(function() {
      $("refresh").load(window.location.href + " refresh");
    }, 30000);
  });
</script>

<div id="refresh" class="sp-container">
  <div class="sp-content">
    <div class="sp-globe"></div>
    <h2 class="frame-1">1</h2>
    <h2 class="frame-2">2</h2>
    <h2 class="frame-3">3</h2>
    <h2 class="frame-4">4</h2>
    <h2 class="frame-5">5</h2>
    <h2 class="frame-6">6</h2>
    <h2 class="frame-7">
      <span>a,</span>
      <span>b,</span>
      <span>c</span>
    </h2>
  </div>
</div>

​

​

代码语言：javascript
复制
@import url('https://fonts.googleapis.com/css?family=Barlow');

body {
  background: #310404 url(https://i.ytimg.com/vi/wOvQAhzWCrM/maxresdefault.jpg) no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  font-family: 'Barlow', sans-serif;
}
.container {
  width: 100%;
  position: relative;
  overflow: hidden;
}
a {
  text-decoration: none;
}
h1.main, p.demos {
  -webkit-animation-delay: 18s;
  -moz-animation-delay: 18s;
  -ms-animation-delay: 18s;
  animation-delay: 18s;
}
.sp-container {
  position: fixed;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  z-index: 0;
  background: -webkit-radial-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.3) 35%, rgba(0, 0, 0, 0.7));
  background: -moz-radial-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.3) 35%, rgba(0, 0, 0, 0.7));
  background: -ms-radial-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.3) 35%, rgba(0, 0, 0, 0.7));
  background: radial-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.3) 35%, rgba(0, 0, 0, 0.7));
}
.sp-content {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0px;
  top: 0px;
  z-index: 1000;
}
.sp-container h2 {
  position: absolute;
  top: 50%;
  line-height: 100px;
  height: 90px;
  margin-top: -50px;
  font-size: 90px;
  width: 100%;
  text-align: center;
  color: transparent;
  -webkit-animation: blurFadeInOut 3s ease-in backwards;
  -moz-animation: blurFadeInOut 3s ease-in backwards;
  -ms-animation: blurFadeInOut 3s ease-in backwards;
  animation: blurFadeInOut 3s ease-in backwards;
}
.sp-container h2.frame-1 {
    font-size: 200px;
  -webkit-animation-delay: 0s;
  -moz-animation-delay: 0s;
  -ms-animation-delay: 0s;
  animation-delay: 0s;
}
.sp-container h2.frame-2 {
    font-size: 200px;
  -webkit-animation-delay: 3s;
  -moz-animation-delay: 3s;
  -ms-animation-delay: 3s;
  animation-delay: 3s;
}
.sp-container h2.frame-3 {
    font-size: 200px;
  -webkit-animation-delay: 6s;
  -moz-animation-delay: 6s;
  -ms-animation-delay: 6s;
  animation-delay: 6s;
}
.sp-container h2.frame-4 {
  font-size: 200px;
  -webkit-animation-delay: 9s;
  -moz-animation-delay: 9s;
  -ms-animation-delay: 9s;
  animation-delay: 9s;
}
.sp-container h2.frame-5 {
  font-size: 200px;
  -webkit-animation-delay: 12s;
  -moz-animation-delay:12s;
  -ms-animation-delay: 12s;
  animation-delay: 12s;
}
.sp-container h2.frame-6 {
  font-size: 200px;
  -webkit-animation-delay: 15s;
  -moz-animation-delay: 15s;
  -ms-animation-delay: 15s;
  animation-delay: 15s;
}

.sp-container h2.frame-7 {
  -webkit-animation: none;
  -moz-animation: none;
  -ms-animation: none;
  animation: none;
  color: transparent;
  text-shadow: 0px 0px 1px #fff;
}
.sp-container h2.frame-7 span {
  -webkit-animation: blurFadeIn 3s ease-in 18s backwards;
  -moz-animation: blurFadeIn 1s ease-in 18s backwards;
  -ms-animation: blurFadeIn 3s ease-in 18s backwards;
  animation: blurFadeIn 3s ease-in 18s backwards;
  color: transparent;
  text-shadow: 0px 0px 1px #fff;
}
.sp-container h2.frame-7 span:nth-child(2) {
  -webkit-animation-delay: 21s;
  -moz-animation-delay: 21s;
  -ms-animation-delay: 21s;
  animation-delay: 21s;
}
.sp-container h2.frame-7 span:nth-child(3) {
  -webkit-animation-delay: 24s;
  -moz-animation-delay: 24s;
  -ms-animation-delay: 24s;
  animation-delay: 24s;
}
.sp-globe {
  position: absolute;
  width: 282px;
  height: 273px;
  left: 50%;
  top: 50%;
  margin: -137px 0 0 -141px;
 /* background: transparent url(http://web-sonick.zz.mu/images/sl/globe.png) no-repeat top left;*/
  -webkit-animation: fadeInBack 3.6s linear 14s backwards;
  -moz-animation: fadeInBack 3.6s linear 14s backwards;
  -ms-animation: fadeInBack 3.6s linear 14s backwards;
  animation: fadeInBack 3.6s linear 14s backwards;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=30)";
  filter: alpha(opacity=30);
  opacity: 0.3;
  -webkit-transform: scale(5);
  -moz-transform: scale(5);
  -o-transform: scale(5);
  -ms-transform: scale(5);
  transform: scale(5);
}
.sp-circle-link {
  position: absolute;
  left: 50%;
  bottom: 100px;
  margin-left: -50px;
  text-align: center;
  line-height: 100px;
  width: 100px;
  height: 100px;
  background: #fff;
  color: #3f1616;
  font-size: 25px;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  border-radius: 50%;
  -webkit-animation: fadeInRotate 1s linear 16s backwards;
  -moz-animation: fadeInRotate 1s linear 16s backwards;
  -ms-animation: fadeInRotate 1s linear 16s backwards;
  animation: fadeInRotate 1s linear 16s backwards;
  -webkit-transform: scale(1) rotate(0deg);
  -moz-transform: scale(1) rotate(0deg);
  -o-transform: scale(1) rotate(0deg);
  -ms-transform: scale(1) rotate(0deg);
  transform: scale(1) rotate(0deg);
}
.sp-circle-link:hover {
  background: #85373b;
  color: #fff;
}
/**/

@-webkit-keyframes blurFadeInOut {
  0% {
    opacity: 0;
    text-shadow: 0px 0px 40px #fff;
    -webkit-transform: scale(1.3);
  }
  20%, 75% {
    opacity: 1;
    text-shadow: 0px 0px 1px #fff;
    -webkit-transform: scale(1);
  }
  100% {
    opacity: 0;
    text-shadow: 0px 0px 50px #fff;
    -webkit-transform: scale(0);
  }
}
@-webkit-keyframes blurFadeIn {
  0% {
    opacity: 0;
    text-shadow: 0px 0px 40px #fff;
    -webkit-transform: scale(1.3);
  }
  50% {
    opacity: 0.5;
    text-shadow: 0px 0px 10px #fff;
    -webkit-transform: scale(1.1);
  }
  100% {
    opacity: 1;
    text-shadow: 0px 0px 1px #fff;
    -webkit-transform: scale(1);
  }
}
@-webkit-keyframes fadeInBack {
  0% {
    opacity: 0;
    -webkit-transform: scale(0);
  }
  50% {
    opacity: 0.4;
    -webkit-transform: scale(2);
  }
  100% {
    opacity: 0.2;
    -webkit-transform: scale(5);
  }
}
@-webkit-keyframes fadeInRotate {
  0% {
    opacity: 0;
    -webkit-transform: scale(0) rotate(360deg);
  }
  100% {
    opacity: 1;
    -webkit-transform: scale(1) rotate(0deg);
  }
}
/**/

@-moz-keyframes blurFadeInOut {
  0% {
    opacity: 0;
    text-shadow: 0px 0px 40px #fff;
    -moz-transform: scale(1.3);
  }
  20%, 75% {
    opacity: 1;
    text-shadow: 0px 0px 1px #fff;
    -moz-transform: scale(1);
  }
  100% {
    opacity: 0;
    text-shadow: 0px 0px 50px #fff;
    -moz-transform: scale(0);
  }
}
@-moz-keyframes blurFadeIn {
  0% {
    opacity: 0;
    text-shadow: 0px 0px 40px #fff;
    -moz-transform: scale(1.3);
  }
  100% {
    opacity: 1;
    text-shadow: 0px 0px 1px #fff;
    -moz-transform: scale(1);
  }
}
@-moz-keyframes fadeInBack {
  0% {
    opacity: 0;
    -moz-transform: scale(0);
  }
  50% {
    opacity: 0.4;
    -moz-transform: scale(2);
  }
  100% {
    opacity: 0.2;
    -moz-transform: scale(5);
  }
}
@-moz-keyframes fadeInRotate {
  0% {
    opacity: 0;
    -moz-transform: scale(0) rotate(360deg);
  }
  100% {
    opacity: 1;
    -moz-transform: scale(1) rotate(0deg);
  }
}
/**/

@keyframes blurFadeInOut {
  0% {
    opacity: 0;
    text-shadow: 0px 0px 40px #fff;
    transform: scale(1.3);
  }
  20%, 75% {
    opacity: 1;
    text-shadow: 0px 0px 1px #fff;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    text-shadow: 0px 0px 50px #fff;
    transform: scale(0);
  }
}
@keyframes blurFadeIn {
  0% {
    opacity: 0;
    text-shadow: 0px 0px 40px #fff;
    transform: scale(1.3);
  }
  50% {
    opacity: 0.5;
    text-shadow: 0px 0px 10px #fff;
    transform: scale(1.1);
  }
  100% {
    opacity: 1;
    text-shadow: 0px 0px 1px #fff;
    transform: scale(1);
  }
}
@keyframes fadeInBack {
  0% {
    opacity: 0;
    transform: scale(0);
  }
  50% {
    opacity: 0.4;
    transform: scale(2);
  }
  100% {
    opacity: 0.2;
    transform: scale(5);
  }
}
@keyframes fadeInRotate {
  0% {
    opacity: 0;
    transform: scale(0) rotate(360deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

​

javascript
html
jquery
EN

回答 2

Stack Overflow用户

发布于 2022-04-26 04:45:31

在引用# id的$("refresh")中，缺少refresh。改变应该是

代码语言：javascript
复制
$("#refresh").load(window.location.href + " refresh");

请注意，我将间隔时间缩短为1秒，并设置了一个日志以显示差异。

​

代码语言：javascript
复制
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script>
  $(document).ready(function() {
    setInterval(function() {
      $("#refresh").load(window.location.href + " refresh", function() { console.log("loaded") });
    }, 1000);
  });
</script>

<div id="refresh" class="sp-container">
  <div class="sp-content">
    <div class="sp-globe"></div>
    <h2 class="frame-1">1</h2>
    <h2 class="frame-2">2</h2>
    <h2 class="frame-3">3</h2>
    <h2 class="frame-4">4</h2>
    <h2 class="frame-5">5</h2>
    <h2 class="frame-6">6</h2>
    <h2 class="frame-7">
      <span>a,</span>
      <span>b,</span>
      <span>c</span>
    </h2>
  </div>
</div>

​

票数 1
EN

Stack Overflow用户

发布于 2022-04-26 04:48:38

在页面加载之后，您可以将div的内容放在javascript变量中，然后放在设置的interval函数中：document.getElementById('refresh').innerHTML = x;：

代码语言：javascript
复制
<head>
<script>
var x = document.getElementById('refresh').innerHTML;

setInterval(function() {
     document.getElementById('refresh').innerHTML = x;
    }, 30000);
</script>
</head>
票数 0
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：

https://stackoverflow.com/questions/72008404

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