js代码
<script type="text/javascript" src="js/excanvas.js"></script> <script type="text/javascript" src="js/jquery.easy-pie-chart.js"></script> <script type="text/javascript"> var initPieChart = function() { $('.percentage').easyPieChart({ animate: 1000 }); $('.percentage-light').easyPieChart({ barColor: function(percent) { percent /= 100; return "rgb(" + Math.round(255 * (1-percent)) + ", " + Math.round(255 * percent) + ", 0)"; }, trackColor: '#666', scaleColor: false, lineCap: 'butt', lineWidth: 15, animate: 1000 }); $('.updateEasyPieChart').on('click', function(e) { e.preventDefault(); $('.percentage, .percentage-light').each(function() { var newValue = Math.round(100*Math.random()); $(this).data('easyPieChart').update(newValue); $('span', this).text(newValue); }); }); }; </script>