js+css实现动态饼图效果代码-html代码-BFW代码库

代码语言：html

所属分类：图表

代码描述：js+css实现动态饼图效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html >
<head>
	<meta charset="UTF-8">
<style>
    *,
*:before,
*:after
{
    -webkit-box-sizing: border-box;
       -moz-box-sizing: border-box;
            box-sizing: border-box;
}

body
{
    position: relative;

    margin: 0;

    background: #434a54;

    text-rendering: optimizeSpeed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.row
{
    display: block;

    width: 300px;
    margin: 50px auto;

    -webkit-animation: fadeIn .4s ease-in .4s both;
            animation: fadeIn .4s ease-in .4s both;
}
.row:before,
.row:after
{
    display: table;

    content: ' ';
}
.row:after
{
    clear: both;
}
@media only screen and (min-width: 600px)
{
    .row
    {
        width: 600px;
    }
}

.column
{
    float: left;

    width: 300px;
    padding: 25px;
}

@-webkit-keyframes fadeIn
{
    0%
    {
        opacity: 0;
    }

    100%
    {
        opacity: 1;
    }
}

@keyframes fadeIn
{
    0%
    {
        opacity: 0;
    }

    100%
    {
        opacity: 1;
    }
}
/**
  * Donut Chart
  * --------------------------------------------------
  */
.donut-chart
{
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;

    position: relative;

    overflow: hidden;

    width: 250px;
    height: 250px;

    border-radius: 50%;
    background-color: #f5f7fa;
    -webkit-box-shadow: 0 0 0 6px rgba(0, 0, 0, .2);
            box-shadow: 0 0 0 6px rgba(0, 0, 0, .2);
}

.outer-circle,
.inner-circle
{
    position: absolute;

    border-radius: 50%;
}

.outer-circle
{
    top: 6%;
    right: 6%;
    bottom: 6%;
    left: 6%;

    background-color: #fff;
    -webkit-box-shadow: inset 0 0 0 6px rgba(0, 0, 0, .2);
            box-shadow: inset 0 0 0 6px rgba(0, 0, 0, .2);
}

.inner-circle
{
    top: 22%;
    right: 22%;
    bottom: 22%;
    left: 22%;

    background-color: #f5f7fa;
    -webkit-box-shadow: 0 0 0 6px rgba(0, 0, 0, .2);
            box-shadow: 0 0 0 6px rgba(0, 0, 0, .2);
}

.inner-circle-label,
.inner-circle-value
{
    position: absolute;
    top: 50%;
    left: 0;

    display: block;

    width: 100%;

    text-align: center;
}

.inner-circle-label
{
    font-size: 18px;
    line-height: 1;

    margin-top: -30px;

    color: #aab2bd;
}

.inner-circle-value
{
    font-size: 42px;
    font-weight: bold;
    line-height: 1;

    margin-top: -12px;

    color: #656d78;
}

.wedge-container,
.wedge,
.wedge-extension,
.wedge-label
{
    position: absolute;
    top: 0;
    left: 0;

    width: 100%;
    height: 100%;

    -webkit-transition: all .4s linear;
            transition: all .4s linear;

    border-radius: 50%;
}

.wedge,
.wedge-extension
{
    -webkit-box-shadow: inset 0 0 0 6px rgba(0, 0, 0, .2);
            box-shadow: inset 0 0 0 6px rgba(0, 0, 0, .2);
}

.wedge-value
{
    font-size: 14px;
    font-weight: bold;
    line-height: 20px;

    position: absolute;
    top: 5%;
    left: 50%;

    display: block;

    width: 30px;
    margin-left: -15px;

    text-align: center;
}

.wedge-extension
{
    z-index: 100;
}

.wedge
{
    z-index: 200;
}

.wedge-label
{
    z-index: 300;
}
</style>  
</head>

<body>
<section class="row">
  <div class="column">
    <div class="donut-chart" data-donut-chart="1"></div>
  </div>
  <div class="column">
    <div class="donut-chart" data-donut-chart="2"></div>
  </div>
</section>
<script>
    
;(function(window, document, undefined) {

  'use strict';

  var DonutChart = DonutChart || {

    /**
      * Initialize Chart
      */

    init: function(options) {

      this.settings(options);
      this.createChartStructre();
      this.setChartMeta();
      this.build();

    }, // init()

    /**
      * Update Chart
      */

    update: function(options) {

      this.settings(options);
      this.setChartMeta();
      this.build();

    }, // update()

    /**
      * Chart Settings
      */

    settings: function(options) {

      this.config = {
        container: options.container ? options.container : this.config.container,
        data: options.data ? options.data : this.config.data,
        label: options.label ? this.label : 'Total',
        offset: options.offset ? options.offset : 0
      };

    }, // settings()

    /**
      * Build chart
      */

    build: function() {

      var container = this.config.container.querySelector('.outer-circle');
      var wedges = container.querySelectorAll('[data-wedge-id]');
      var wedgesIdArray = [];

      for (var i = 0; i < wedges.length; i++) {
        wedgesIdArray.push(wedges[i].dataset.wedgeId);
      }

      for (var j = 0; j < this.config.data.wedges.length; j++) {
        if (wedgesIdArray.indexOf(this.config.data.wedges[j].id) == -1) {
          var wedge = this.createWedge(this.config.data.wedges[j]);
          container.appendChild(wedge);
        }
        this.setWedge(this.config.data.wedges[j]);
      }

    }, // createWedges()

    /**
      * Create chart structure
      */

    createChartStructre: function() {

      var outer = document.createElement('div');
      var inner = document.createElement('div');
      var label = document.createElement('span');
      var value = document.createElement('span');

      outer.className = 'outer-circle';
      inner.className = 'inner-circle';
      label.className = 'inner-circle-label';
      value.className = 'inner-circle-value';

      this.config.container.appendChild(outer);
      this.config.container.appendChild(inner);
      inner.appendChild(label);
      inner.appendChild(value);

    }, // createChartStructre()

    /**
      * Set chart meta
      */

    setChartMeta: function() {

      var label = this.config.container.querySelector('.inner-circle-label&.........完整代码请登录后点击上方下载按钮下载查看