<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Echarts Theme Switch</title> <script src="./js/jquery.min.js"></script> <script src="./js/echarts.js" type="text/javascript" charset="utf-8"></script> <script src = './js/theme/dark.js'></script> <script src = './js/theme/macarons.js'></script> </head> <body> <select name="" id="sel"> <option value="dark">dark</option> <option value="macarons">macarons</option> </select> <button id = 'clear'>clear</button> <div id = 'zhuzhuangtu' style="height:399px;"></div> </body> </html> <script> // 基於准備好的dom，初始化echarts實例 var myChart = echarts.init(document.getElementById('zhuzhuangtu'),'dark'); // 指定圖表的配置項和數據 var option = { title: { text: 'ECharts 入門示例' }, tooltip: {}, legend: { data:['銷量'] }, xAxis: { data: ["襯衫","羊毛衫","雪紡衫","褲子","高跟鞋","襪子"] }, grid:{ show:true, backgroundColor:'black' }, yAxis: {}, series: [{ name: '銷量', type: 'bar', data: [5, 20, 36, 10, 10, 20] }] }; // 使用剛指定的配置項和數據顯示圖表。 myChart.setOption(option); $('#sel').change(function(){ myChart.dispose(); let Theme = $(this).val(); // 基於准備好的dom，初始化echarts實例 myChart = echarts.init(document.getElementById('zhuzhuangtu'),Theme); // 使用剛指定的配置項和數據顯示圖表。 myChart.setOption(option); }); </script>
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