How to dynamically load line charts through Ajax (graphic tutorial)-JS Tutorial-php.cn

This article mainly introduces the method of dynamically loading line charts through Ajax in the Echarts tutorial. Friends in need can refer to the following

1. GIF chart

##2. Front desk code

// 调用方法 hotlineLine(); // 定时刷新 setInterval(function () { hotlineLine(); },5000); function hotlineLine(){ // 初始化图表元素 var hotlineLine = echarts.init(document.getElementById('hotlineLine_id')); $.get('${pageContext.request.getContextPath()}/m/hotline.do', function (res) { var option = { // 提示框组件，鼠标经过饼图时会出现提示框 tooltip: { // 触发类型 // 坐标轴触发，主要在柱状图，折线图等会使用类目轴的图表中使用。 trigger: 'axis' }, // 每条折线的颜色 color: ['#87CEFA', '#9AFF9A', '#C0FF3E','#DB7093'], // 图例组件 legend: { // 内容 data:['呼入', '呼出', '应答', '用户放弃'], // 样式 textStyle:{ fontSize:10, color:'#66ffff' }, // 上距离，类似css中的margin top:'5%' }, // 网格 grid: { // 左距离 left: '7%', right: '5%', bottom: '10%', top:'20%' }, // 横坐标 xAxis: { // 类型 type: 'category', // 刻度 data: ['08:00', '10:00', '12:00', '14:00', '16:00', '18:00', '20:00', '22:00', '24:00'], // 样式 axisLine:{ // 横坐标线的颜色 lineStyle:{ color:'#66ffff' } } }, yAxis: { type: 'value', name: '次数', axisLabel: { formatter: '{value}' }, axisLine:{ lineStyle:{ color:'#66ffff' } }, splitLine:{ show: true, lineStyle:{ color:'#66ffff' } } }, series: [ { name:'呼入', type:'line', data:res[3] }, { name:'呼出', type:'line', data:res[2] }, { name:'应答', type:'line', data:res[1] }, { name:'用户放弃', type:'line', data:res[0] } ], // 文本标签 label: { //是否展示 show: true, position: 'top', textStyle: { fontWeight:'bolder', fontSize : '12', fontFamily : '微软雅黑', color:defaultColor } } }; hotlineLine.setOption(option); }); }  
话务指标趋势图

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3. Backend code

List> hotlineList = new ArrayList>(); @RequestMapping("/m/hotline.do") @ResponseBody public JSONArray hotline() { List> returnList = new ArrayList>(); if (hotlineList.size() == 0 || hotlineList.get(0).size() >= 9) { hotlineList.clear(); for (int i = 0; i < 4; i++) { List l = new ArrayList(); l.add(i * 5 + AlexUtils.getRandomInteger(0, 5)); hotlineList.add(l); } } for (int i = 0; i < hotlineList.size(); i++) { List list = hotlineList.get(i); int thisSize = list.size(); if (thisSize < 5) { list.add(list.get(thisSize - 1) + AlexUtils.getRandomInteger(1, 5)); } else { list.add(list.get(thisSize - 1) - AlexUtils.getRandomInteger(1, 5)); } returnList.add(list); } hotlineList = returnList; return JSONArray.fromObject(returnList); } public static int getRandomInteger(int min, int max) { int diff = max - min; return min + new Random().nextInt(diff); }

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Data format:

1.[[1,3,4,5,7],[6,9,11 ,12,13],[10,11,12,13,16],[16,19,21,22,24]]

The above is what I compiled for everyone. I hope that I will Helpful to everyone.

Concepts and advantages of Ajax

##Three implementation methods of ajaxRelated knowledge about AJAX ASP/PHP request examples

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