<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <script src="https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js"></script> <script src="https://cdn.bootcss.com/echarts/4.2.1-rc1/echarts.min.js" type="text/javascript"></script> </head> <body> <!-- 为ECharts准备一个具备大小(宽高)的Dom --> <div id="main" class="col-md-12 col-sm-12 col-xs-12" style="height: 400px;"></div> <script> // 折线图 $.ajax({ url: "test.json", data: {}, type: 'GET', success: function(data) { console.log(JSON.stringify(data)) hrFun(data.echatX, data.echatY); }, }); // 心率 var hrChart = echarts.init(document.getElementById("main")); function hrFun(x_data, y_data) { hrChart.setOption({ color: ['#3398DB'], tooltip: { trigger: 'axis', axisPointer: { // 坐标轴指示器，坐标轴触发有效 type: 'shadow' // 默认为直线，可选为：'line' | 'shadow' } }, legend: { data: ['心率值'] }, grid: { left: '3%', right: '20%', bottom: '20%', containLabel: true }, xAxis: [{ type: 'category', data: x_data, }], yAxis: [{ // 纵轴标尺固定 type: 'value', scale: true, name: '心率值', min : 0, // 就是这两个 最小值 max : 'dataMax', // 最大值 splitNumber: 20, boundaryGap: [0.2, 0.2] }], series: [{ name: '心率', type: 'line', data: y_data }] }, true); } </script> </body> </html>
json数据
{ "echatX": ["2020-11-18 00:08:36", "2020-11-18 00:18:42", "2020-11-18 00:28:46", "2020-11-18 00:38:33", "2020-11-18 00:48:43", "2020-11-18 00:58:36", "2020-11-18 01:08:40", "2020-11-18 01:18:36", "2020-11-18 01:28:42", "2020-11-18 01:38:39", "2020-11-18 01:48:45", "2020-11-18 01:58:35", "2020-11-18 02:08:34", "2020-11-18 02:18:32", "2020-11-18 02:28:38", "2020-11-18 02:38:37", "2020-11-18 02:48:44", "2020-11-18 02:58:49", "2020-11-18 03:08:38", "2020-11-18 03:18:42", "2020-11-18 03:28:35", "2020-11-18 03:38:44", "2020-11-18 03:48:35", "2020-11-18 03:58:50", "2020-11-18 04:08:40", "2020-11-18 04:18:46", "2020-11-18 04:28:48", "2020-11-18 04:38:46", "2020-11-18 04:48:35", "2020-11-18 04:58:46", "2020-11-18 05:08:38", "2020-11-18 05:18:34", "2020-11-18 05:28:46", "2020-11-18 05:38:35", "2020-11-18 05:48:41", "2020-11-18 05:58:38", "2020-11-18 06:08:41", "2020-11-18 06:18:49", "2020-11-18 06:28:46", "2020-11-18 06:38:43", "2020-11-18 06:48:40", "2020-11-18 06:58:47", "2020-11-18 07:08:36", "2020-11-18 07:18:35", "2020-11-18 07:28:51", "2020-11-18 07:38:45", "2020-11-18 07:48:39", "2020-11-18 07:58:42", "2020-11-18 08:08:51", "2020-11-18 08:18:37", "2020-11-18 08:28:43", "2020-11-18 08:38:46", "2020-11-18 08:48:54", "2020-11-18 08:58:52", "2020-11-18 09:08:51", "2020-11-18 09:18:36", "2020-11-18 09:28:41", "2020-11-18 09:38:42", "2020-11-18 09:48:48", "2020-11-18 09:58:52", "2020-11-18 10:08:48", "2020-11-18 10:18:38", "2020-11-18 10:28:49", "2020-11-18 10:38:44", "2020-11-18 10:48:37", "2020-11-18 11:08:49", "2020-11-18 11:18:49" ], "echatY": [80, 112, 90, 91, 104, 99, 107, 106, 121, 105, 106, 109, 102, 79, 81, 64, 70, 89, 108, 86, 62, 60, 74, 71, 112, 89, 81, 117, 90, 62, 90, 100, 99, 104, 103, 93, 113, 114, 74, 86, 115, 80, 119, 113, 96, 104, 111, 98, 93, 101, 93, 101, 60, 78, 79, 93, 69, 98, 124, 104, 108, 100, 104, 74, 100, 102, 75 ], "echatY2": [] }
