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移动端安卓和IOS开发框架Framework7教程-进度条Progress Bar

Framework7 
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In addition to Preloader Framework7 also comes with fancy animated determinate and infinite/indeterminate progress bars to indicate activity.

By default, Preloader available in two colors: the default is for a light background and another one for dark background. The HTML is pretty easy, just create any element (for example <span>) with "preloader" class:

Determinate Progress Bar

When progress bar is determinate it indicates how long an operation will take when the percentage complete is detectable.

Let's look at layout of determinate progress bar:

  1. <div class="progressbar" data-progress="20">
  2.     <span></span>
  3. </div>
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or:

  1. <span class="progressbar" data-progress="50">
  2.     <span></span>
  3. </span>
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Where data-progress="20" - currently set progress (in percents). Note that this data attribute sets progress only on page load. If you need to change it later it should be done via API

Infinite Progress Bar

When progress bar is infinite/indeterminate it requests that the user wait while something finishes when it’s not necessary to indicate how long it will take.

Let's look at layout of infinite progress bar:

  1. <div class="progressbar-infinite"></div>
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or:

  1. <span class="progressbar-infinite"></span>
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Multi-color:

  1. <div class="progressbar-infinite color-multi"></div>
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Progress Bar JavaScript API

Progress Bar comes with JavaScript API that allows you to control Progress Bar's progress, show and hide it. Let's look on appropriate App's properties and methods:

myApp.setProgressbar(container, progress, speed) - set progress for Determinate Progress Bar.

  • container - string or HTMLElement. Progress bar element container or element containing progress bar element. If string - CSS selector of such element. If not specified then it is equal to 'body'
  • progress - number. Progress in percents (from 0 to 100)
  • speed - number. Transition duration of progress change animation (in ms)
  • This method returns Progress Bar container HTMLElement

myApp.hideProgressbar(container) - hide Progress Bar.

  • container - string or HTMLElement. Progress bar element container or element containing progress bar element. If string - CSS selector of such element. If not specified then it is equal to 'body'

myApp.showProgressbar(container, progress, color) - create and show or just show (if already presented) Determinate Progress Bar

  • container - string or HTMLElement. Progress bar element container or element containing progress bar element. If string - CSS selector of such element. If not specified then it is equal to 'body'
  • progress - number. Progress in percents (from 0 to 100)
  • color - string. Color of progress bar, for example "white", "red", etc. from available color themes. Optional
  • This method returns Progress Bar container HTMLElement

Shortcuts Methods

myApp.showProgressbar(container, color) - create and show or just show (if already presented) Infinite Progress Bar

  • container - string or HTMLElement. Progress bar element container or element containing progress bar element. If string - CSS selector of such element. If not specified then it is equal to 'body'
  • progress - number. Progress in percents (from 0 to 100)
  • color - string. Color of progress bar, for example "white", "red", etc. from available color themes. Optional

myApp.showProgressbar(progress, color) - create and show or just show (if already presented) Determinate Progress Bar as overlay element(<body>'s child)

  • progress - number. Progress in percents (from 0 to 100)
  • color - string. Color of progress bar, for example "white", "red", etc. from available color themes. Optional

myApp.showProgressbar() - create and show or just show (if already presented) Infinite Progress Bar as overlay element(<body>'s child)

iOS Theme Examples

实例预览

  1. <div class="page-content">
  2.   <div class="content-block-title">Determinate Progress Bar</div>
  3.   <div class="content-block">
  4.     <div class="content-block-inner">
  5.       <p>Inline determinate progress bar:</p>
  6.       <div class="demo-progressbar-inline">
  7.         <p><span data-progress="10" class="progressbar"></span></p>
  8.         <p class="buttons-row">
  9.           <a href="#" data-progress="10" class="button">10%</a>
  10.           <a href="#" data-progress="30" class="button">30%</a>
  11.           <a href="#" data-progress="50" class="button">50%</a>
  12.           <a href="#" data-progress="100" class="button">100%</a>
  13.         </p>
  14.       </div>
  15.       <p>Inline determinate load & hide:</p>
  16.       <div class="demo-progressbar-load-hide">
  17.         <p style="height:2px"></p>
  18.         <p><a href="#" class="button">Start Loading</a></p>
  19.       </div>
  20.       <p>Overlay with determinate progress bar on top of the app:</p>
  21.       <p class="demo-progressbar-overlay"><a href="#" class="button">Start Loading</a></p>
  22.     </div>
  23.   </div>
  24.   <div class="content-block-title">Infinite Progress Bar</div>
  25.   <div class="content-block">
  26.     <div class="content-block-inner">
  27.       <p>Inline infinite progress bar</p>
  28.       <p><span class="progressbar-infinite"></span></p>
  29.       <p>Multi-color infinite progress bar</p>
  30.       <p><span class="progressbar-infinite color-multi"></span></p>
  31.       <p>Overlay with infinite progress bar on top of the app</p>
  32.       <p class="demo-progressbar-infinite-overlay"><a href="#" class="button">Start Loading</a></p>
  33.       <p>Overlay with infinite multi-color progress bar on top of the app</p>
  34.       <p class="demo-progressbar-infinite-multi-overlay"><a href="#" class="button">Start Loading</a></p>
  35.     </div>
  36.   </div>
  37.   <div class="content-block-title">Colored</div>
  38.   <div class="list-block">
  39.     <ul>
  40.       <li class="item-content">
  41.         <div class="item-inner">
  42.           <div data-progress="10" class="progressbar color-blue"></div>
  43.         </div>
  44.       </li>
  45.       <li class="item-content">
  46.         <div class="item-inner">
  47.           <div data-progress="20" class="progressbar color-orange"></div>
  48.         </div>
  49.       </li>
  50.       <li class="item-content">
  51.         <div class="item-inner">
  52.           <div data-progress="30" class="progressbar color-red"></div>
  53.         </div>
  54.       </li>
  55.       <li class="item-content">
  56.         <div class="item-inner">
  57.           <div data-progress="40" class="progressbar color-pink"></div>
  58.         </div>
  59.       </li>
  60.       <li class="item-content">
  61.         <div class="item-inner">
  62.           <div data-progress="50" class="progressbar color-green"></div>
  63.         </div>
  64.       </li>
  65.       <li class="item-content">
  66.         <div class="item-inner">
  67.           <div data-progress="60" class="progressbar color-lightblue"></div>
  68.         </div>
  69.       </li>
  70.       <li class="item-content">
  71.         <div class="item-inner">
  72.           <div data-progress="70" class="progressbar color-yellow"></div>
  73.         </div>
  74.       </li>
  75.       <li class="item-content">
  76.         <div class="item-inner">
  77.           <div data-progress="80" class="progressbar color-gray"></div>
  78.         </div>
  79.       </li>
  80.       <li class="item-content">
  81.         <div class="item-inner">
  82.           <div data-progress="90" class="progressbar color-black"></div>
  83.         </div>
  84.       </li>
  85.       <li style="background-color: #999" class="item-content">
  86.         <div class="item-inner">
  87.           <div data-progress="95" class="progressbar color-white"></div>
  88.         </div>
  89.       </li>
  90.     </ul>
  91.   </div>
  92. </div>
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  1. var myApp = new Framework7();
  2. var $$ = Dom7;
  3.  
  4. $$('.demo-progressbar-inline .button').on('click', function () {
  5.     var progress = $$(this).attr('data-progress');
  6.     var progressbar = $$('.demo-progressbar-inline .progressbar');
  7.     myApp.setProgressbar(progressbar, progress);
  8. });
  9. $$('.demo-progressbar-load-hide .button').on('click', function () {
  10.     var container = $$('.demo-progressbar-load-hide p:first-child');
  11.     if (container.children('.progressbar').length) return; //don't run all this if there is a current progressbar loading
  12.  
  13.     myApp.showProgressbar(container, 0);
  14.  
  15.     // Simluate Loading Something
  16.     var progress = 0;
  17.     function simulateLoading() {
  18.         setTimeout(function () {
  19.             var progressBefore = progress;
  20.             progress += Math.random() * 20;
  21.             myApp.setProgressbar(container, progress);
  22.             if (progressBefore < 100) {
  23.                 simulateLoading(); //keep "loading"
  24.             }
  25.             else myApp.hideProgressbar(container); //hide
  26.         }, Math.random() * 200 + 200);
  27.     }
  28.     simulateLoading();
  29. });
  30. $$('.demo-progressbar-overlay .button').on('click', function () {
  31.     // Add Directly To Body
  32.     var container = $$('body');
  33.     if (container.children('.progressbar, .progressbar-infinite').length) return; //don't run all this if there is a current progressbar loading
  34.  
  35.     myApp.showProgressbar(container, 0);
  36.  
  37.     // Simluate Loading Something
  38.     var progress = 0;
  39.     function simulateLoading() {
  40.         setTimeout(function () {
  41.             var progressBefore = progress;
  42.             progress += Math.random() * 20;
  43.             myApp.setProgressbar(container, progress);
  44.             if (progressBefore < 100) {
  45.                 simulateLoading(); //keep "loading"
  46.             }
  47.             else myApp.hideProgressbar(container); //hide
  48.         }, Math.random() * 200 + 200);
  49.     }
  50.     simulateLoading();
  51. });
  52. $$('.demo-progressbar-infinite-overlay .button').on('click', function () {
  53.     // Add Directly To Body
  54.     var container = $$('body');
  55.     if (container.children('.progressbar, .progressbar-infinite').length) return; //don't run all this if there is a current progressbar loading
  56.     myApp.showProgressbar(container);
  57.     setTimeout(function () {
  58.         myApp.hideProgressbar();
  59.     }, 3000);
  60. });
  61. $$('.demo-progressbar-infinite-multi-overlay .button').on('click', function () {
  62.     var container = $$('body');
  63.     if (container.children('.progressbar, .progressbar-infinite').length) return; //don't run all this if there is a current progressbar loading
  64.     myApp.showProgressbar(container, 'multi');
  65.     setTimeout(function () {
  66.         myApp.hideProgressbar();
  67.     }, 3000);
  68. });
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Material Theme Examples

实例预览

  1. <div class="page-content">
  2.   <div class="content-block-title">Determinate Progress Bar</div>
  3.   <div class="content-block">
  4.     <div class="content-block-inner">
  5.       <p>Inline determinate progress bar:</p>
  6.       <div class="demo-progressbar-inline">
  7.         <p><span data-progress="10" class="progressbar"></span></p>
  8.         <p class="buttons-row">
  9.           <a href="#" data-progress="10" class="button button-raised">10%</a>
  10.           <a href="#" data-progress="30" class="button button-raised">30%</a>
  11.           <a href="#" data-progress="50" class="button button-raised">50%</a>
  12.           <a href="#" data-progress="100" class="button button-raised">100%</a>
  13.         </p>
  14.       </div>
  15.       <p>Inline determinate load & hide:</p>
  16.       <div class="demo-progressbar-load-hide">
  17.         <p style="height:2px"></p>
  18.         <p><a href="#" class="button button-raised">Start Loading</a></p>
  19.       </div>
  20.       <p>Overlay with determinate progress bar on top of the app:</p>
  21.       <p class="demo-progressbar-overlay"><a href="#" class="button button-raised">Start Loading</a></p>
  22.     </div>
  23.   </div>
  24.   <div class="content-block-title">Infinite Progress Bar</div>
  25.   <div class="content-block">
  26.     <div class="content-block-inner">
  27.       <p>Inline infinite progress bar</p>
  28.       <p><span class="progressbar-infinite"></span></p>
  29.       <p>Multi-color infinite progress bar</p>
  30.       <p><span class="progressbar-infinite color-multi"></span></p>
  31.       <p>Overlay with infinite progress bar on top of the app</p>
  32.       <p class="demo-progressbar-infinite-overlay"><a href="#" class="button button-raised">Start Loading</a></p>
  33.       <p>Overlay with infinite multi-color progress bar on top of the app</p>
  34.       <p class="demo-progressbar-infinite-multi-overlay"><a href="#" class="button button-raised">Start Loading</a></p>
  35.     </div>
  36.   </div>
  37.   <div class="content-block-title">Colored</div>
  38.   <div class="list-block">
  39.     <ul>
  40.       <li class="item-content">
  41.         <div class="item-inner">
  42.           <div data-progress="5" class="progressbar color-red"></div>
  43.         </div>
  44.       </li>
  45.       <li class="item-content">
  46.         <div class="item-inner">
  47.           <div data-progress="10" class="progressbar color-pink"></div>
  48.         </div>
  49.       </li>
  50.       <li class="item-content">
  51.         <div class="item-inner">
  52.           <div data-progress="15" class="progressbar color-purple"></div>
  53.         </div>
  54.       </li>
  55.       <li class="item-content">
  56.         <div class="item-inner">
  57.           <div data-progress="20" class="progressbar color-deeppurple"></div>
  58.         </div>
  59.       </li>
  60.       <li class="item-content">
  61.         <div class="item-inner">
  62.           <div data-progress="25" class="progressbar color-indigo"></div>
  63.         </div>
  64.       </li>
  65.       <li class="item-content">
  66.         <div class="item-inner">
  67.           <div data-progress="30" class="progressbar color-blue"></div>
  68.         </div>
  69.       </li>
  70.       <li class="item-content">
  71.         <div class="item-inner">
  72.           <div data-progress="35" class="progressbar color-lightblue"></div>
  73.         </div>
  74.       </li>
  75.       <li class="item-content">
  76.         <div class="item-inner">
  77.           <div data-progress="40" class="progressbar color-cyan"></div>
  78.         </div>
  79.       </li>
  80.       <li class="item-content">
  81.         <div class="item-inner">
  82.           <div data-progress="45" class="progressbar color-teal"></div>
  83.         </div>
  84.       </li>
  85.       <li class="item-content">
  86.         <div class="item-inner">
  87.           <div data-progress="50" class="progressbar color-green"></div>
  88.         </div>
  89.       </li>
  90.       <li class="item-content">
  91.         <div class="item-inner">
  92.           <div data-progress="55" class="progressbar color-lightgreen"></div>
  93.         </div>
  94.       </li>
  95.       <li class="item-content">
  96.         <div class="item-inner">
  97.           <div data-progress="60" class="progressbar color-lime"></div>
  98.         </div>
  99.       </li>
  100.       <li class="item-content">
  101.         <div class="item-inner">
  102.           <div data-progress="65" class="progressbar color-yellow"></div>
  103.         </div>
  104.       </li>
  105.       <li class="item-content">
  106.         <div class="item-inner">
  107.           <div data-progress="70" class="progressbar color-amber"></div>
  108.         </div>
  109.       </li>
  110.       <li class="item-content">
  111.         <div class="item-inner">
  112.           <div data-progress="75" class="progressbar color-orange"></div>
  113.         </div>
  114.       </li>
  115.       <li class="item-content">
  116.         <div class="item-inner">
  117.           <div data-progress="80" class="progressbar color-deeporange"></div>
  118.         </div>
  119.       </li>
  120.       <li class="item-content">
  121.         <div class="item-inner">
  122.           <div data-progress="85" class="progressbar color-brown"></div>
  123.         </div>
  124.       </li>
  125.       <li class="item-content">
  126.         <div class="item-inner">
  127.           <div data-progress="90" class="progressbar color-gray"></div>
  128.         </div>
  129.       </li>
  130.       <li class="item-content">
  131.         <div class="item-inner">
  132.           <div data-progress="95" class="progressbar color-bluegray"></div>
  133.         </div>
  134.       </li>
  135.       <li class="item-content">
  136.         <div class="item-inner">
  137.           <div data-progress="100" class="progressbar color-black"></div>
  138.         </div>
  139.       </li>
  140.       <li style="background-color: #999" class="item-content">
  141.         <div class="item-inner">
  142.           <div data-progress="95" class="progressbar color-white"></div>
  143.         </div>
  144.       </li>
  145.     </ul>
  146.   </div>
  147. </div>
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  1. var myApp = new Framework7({
  2.   material: true
  3. });
  4. var $$ = Dom7;
  5.  
  6. $$('.demo-progressbar-inline .button').on('click', function () {
  7.     var progress = $$(this).attr('data-progress');
  8.     var progressbar = $$('.demo-progressbar-inline .progressbar');
  9.     myApp.setProgressbar(progressbar, progress);
  10. });
  11. $$('.demo-progressbar-load-hide .button').on('click', function () {
  12.     var container = $$('.demo-progressbar-load-hide p:first-child');
  13.     if (container.children('.progressbar').length) return; //don't run all this if there is a current progressbar loading
  14.  
  15.     myApp.showProgressbar(container, 0);
  16.  
  17.     // Simluate Loading Something
  18.     var progress = 0;
  19.     function simulateLoading() {
  20.         setTimeout(function () {
  21.             var progressBefore = progress;
  22.             progress += Math.random() * 20;
  23.             myApp.setProgressbar(container, progress);
  24.             if (progressBefore < 100) {
  25.                 simulateLoading(); //keep "loading"
  26.             }
  27.             else myApp.hideProgressbar(container); //hide
  28.         }, Math.random() * 200 + 200);
  29.     }
  30.     simulateLoading();
  31. });
  32. $$('.demo-progressbar-overlay .button').on('click', function () {
  33.     // Add Directly To Body
  34.     var container = $$('body');
  35.     if (container.children('.progressbar, .progressbar-infinite').length) return; //don't run all this if there is a current progressbar loading
  36.  
  37.     myApp.showProgressbar(container, 0, 'yellow');
  38.  
  39.     // Simluate Loading Something
  40.     var progress = 0;
  41.     function simulateLoading() {
  42.         setTimeout(function () {
  43.             var progressBefore = progress;
  44.             progress += Math.random() * 20;
  45.             myApp.setProgressbar(container, progress);
  46.             if (progressBefore < 100) {
  47.                 simulateLoading(); //keep "loading"
  48.             }
  49.             else myApp.hideProgressbar(container); //hide
  50.         }, Math.random() * 200 + 200);
  51.     }
  52.     simulateLoading();
  53. });
  54. $$('.demo-progressbar-infinite-overlay .button').on('click', function () {
  55.     var container = $$('body');
  56.     if (container.children('.progressbar, .progressbar-infinite').length) return; //don't run all this if there is a current progressbar loading
  57.     myApp.showProgressbar(container, 'yellow');
  58.     setTimeout(function () {
  59.         myApp.hideProgressbar();
  60.     }, 5000);
  61. });
  62. $$('.demo-progressbar-infinite-multi-overlay .button').on('click', function () {
  63.     var container = $$('body');
  64.     if (container.children('.progressbar, .progressbar-infinite').length) return; //don't run all this if there is a current progressbar loading
  65.     myApp.showProgressbar(container, 'multi');
  66.     setTimeout(function () {
  67.         myApp.hideProgressbar();
  68.     }, 5000);
  69. });
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