如何制作一个改变颜色的简单进度按钮

时间:2017-01-11 20:44:25

标签: javascript button progress

我想创建类似于第一个示例的内容,但它需要将颜色和文本更改为"已下载"。 https://tympanus.net/Development/ProgressButtonStyles/

我尝试使用这些文件但是对于初学者学习javascript来说太多了。是否有一种简单的方法来制作进度条?

3 个答案:

答案 0 :(得分:1)

结帐基本进度条 - http://www.w3schools.com/w3css/w3css_progressbar.asp。我还创建了一个简单的示例,它从简单的进度条构建,并展示了如何使用javascript来增加宽度。进度条包括一个容器以及一个叠加div,其宽度根据进度调整。您可以更改容器和进度条本身的背景颜色。



var progressBtn = document.getElementById('progress_btn');
var progressElement = document.getElementById('progress_bar');
var submitText = document.getElementById('submit_text');

progressBtn.addEventListener('click', function() {
  // Update the text.
  submitText.textContent = 'Downloading...';
  
  // Initialize the progress variable.
  var progress = 0;
  
  // Move the progress bar by 10% every second.
  var progressInterval = setInterval(function() {
  	progress += 10;
    progressElement.style.width = progress + '%';
    
    // Clear the interval once we've reached 100%.
    if (progress == 100) {
			clearInterval(progressInterval);
    }
  }, 1000);
});

.btn {
    text-align: center;
    line-height: 20px;
    height: 20px;
    background: #5b92a1;
    border-radius: 2px;
    padding: 10px;
    text-transform: uppercase;
    font-family: 'Open Sans';
    color: white;
    position: relative;
    cursor: pointer;
}

.progress {
    position: absolute;
    top: 0;
    left: 0;
    background: #63b1b3;
    height: 100%;
    border-radius: 2px;
    transition: width 1s ease;
    width: 0;
}

<div id="progress_btn" class="btn">
  <div id="progress_bar" class="progress"></div>
  <span id="submit_text">Submit</span>
</div>
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答案 1 :(得分:1)

你可以在很多方面做到这一点,但是,这是我记忆中最简单的一种。它依赖于width属性的CSS转换和最小的javascript。

btn=document.getElementById('btn');
prog=document.getElementById('progress');
text=document.getElementById('text');
btn.onclick=function() {
prog.classList.add('anima');
prog.addEventListener("transitionend", function(event) {
  text.textContent="downloaded";
}, false);

}
button {
  color:white;
  border:1px solid gray;
  border-radius:5px;
  background:green;
  cursor:pointer;
  width:200px;
  height:70px;
  padding:0;
  position:relative;
   outline:none;
}
#progress {
  width:0px;
  height:70px;
 background-color:darkgreen; /*set desired color*/
 position:absolute;
 left:0;
 top:0;
 z-index:2;
 border-radius:5px;


}
#progress.anima {
  width:200px;
  transition: width 2s ease; 
}
#bar {
  position:relative;
}
span {
  z-index:9;
  position:relative;
  text-transform:uppercase;
}
<div id="bar">
<button id="btn">
<span id="text">SUBMIT</span>
</button>
<div id="progress">
</div>
</div>

所以,设置容器,添加按钮,添加进度条div,初始宽度:0,设置位置:绝对,覆盖按钮,将文本放在上面(高级z-index),在点击上添加类'anima': / p>

#progress.anima {
  width:200px;
  transition: width 2s ease; 
}

这将使宽度平滑过渡,在进度条上添加事件监听器,这将监听'transitionend'事件,并在动画结束时更改span的文本。

答案 2 :(得分:0)

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var progress = document.getElementById('progress');

document.getElementById('accept').addEventListener('click', function() {
    if(progress.value < 100) progress.value += 5;
}, false);

document.getElementById('reject').addEventListener('click', function() {
    progress.value -= 5;
}, false);
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.progress {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  width: 450px;
  height: 35px;
  max-width: 100%;
}
.progress::-webkit-progress-bar {
  background: #eee;
  border: 1px solid #ebebeb;
}
.progress::-webkit-progress-value {
  background: -webkit-linear-gradient(right, #f74c4a, #ea0d0a);
  background: linear-gradient(to left, #f74c4a, #ea0d0a);
}
.progress::-moz-progress-bar {
  background: linear-gradient(to left, #f74c4a, #ea0d0a);
}
.progress[value^="3"]:not([value="3"])::-webkit-progress-value, .progress[value^="4"]:not([value="4"])::-webkit-progress-value, .progress[value^="5"]:not([value="5"])::-webkit-progress-value {
  background: -webkit-linear-gradient(right, #ffd44b, #fec100);
  background: linear-gradient(to left, #ffd44b, #fec100);
}
.progress[value^="3"]:not([value="3"])::-moz-progress-bar, .progress[value^="4"]:not([value="4"])::-moz-progress-bar, .progress[value^="5"]:not([value="5"])::-moz-progress-bar {
  background: linear-gradient(to left, #ffd44b, #fec100);
}
.progress[value^="6"]:not([value="6"])::-webkit-progress-value, .progress[value^="7"]:not([value="7"])::-webkit-progress-value, .progress[value^="8"]:not([value="8"])::-webkit-progress-value, .progress[value^="9"]:not([value="9"])::-webkit-progress-value, .progress[value="100"]::-webkit-progress-value {
  background: -webkit-linear-gradient(right, #4fd364, #2bab3f);
  background: linear-gradient(to left, #4fd364, #2bab3f);
}
.progress[value^="6"]:not([value="6"])::-moz-progress-bar, .progress[value^="7"]:not([value="7"])::-moz-progress-bar, .progress[value^="8"]:not([value="8"])::-moz-progress-bar, .progress[value^="9"]:not([value="9"])::-moz-progress-bar, .progress[value="100"]::-moz-progress-bar {
  background: linear-gradient(to left, #4fd364, #2bab3f);
}
.progress:after {
  content: attr(value) "%";
  margin-left: 20px;
  font-weight: bold;
  width: 2em;
}

.buttons {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  margin-top: 50px;
}

.button {
  width: 75px;
  height: 75px;
  -webkit-box-flex: 0;
      -ms-flex: 0 0 75px;
          flex: 0 0 75px;
  border-radius: 50%;
  color: #fff;
  border: 5px solid #fff;
}
.button.button-accept {
  background: #4fd364;
}
.button.button-reject {
  background: #f74c4a;
}
.button:first-child {
  margin-right: 25px;
}
.button:hover {
  -webkit-transform: translateX(1px) translateY(1px);
          transform: translateX(1px) translateY(1px);
}

.button-icon {
  width: 50%;
  height: 50%;
}

.progress-container {
  background: #fff;
  font: normal normal 16px -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  border: 2px solid #eee;
  padding: 25px;
  max-width: 100%;
}

.container {
  max-width: 100%;
  padding: 25px;
}

svg {
  fill: currentColor;
}

body {
  background: #fff url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/316871/geometry_mint.png);
  width: 100vw;
  height: 100vh;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

* {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  border: 0;
  padding: 0;
  margin: 0;
  outline: 0;
}
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<div class="container">
  <div class="progress-container">
    <progress class="progress" id="progress" value="25" max="100"></progress>
  </div>
  <div class="buttons">
    <button class="button button-accept" id="accept">
      <svg class="button-icon" width="24" height="24" viewBox="0 0 24 24">
        <path d="M9 16.172l10.594-10.594 1.406 1.406-12 12-5.578-5.578 1.406-1.406z"></path>
      </svg>
    </button>
    <button class="button button-reject" id="reject">
      <svg class="button-icon" width="24" height="24" viewBox="0 0 24 24">
        <path d="M18.984 6.422l-5.578 5.578 5.578 5.578-1.406 1.406-5.578-5.578-5.578 5.578-1.406-1.406 5.578-5.578-5.578-5.578 1.406-1.406 5.578 5.578 5.578-5.578z"></path>
      </svg>
    </button>
  </div>
</div>
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