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test.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<!-- ���� ECharts �ļ� -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/echarts/3.4.0/echarts.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.0/jquery.js"></script>
</head>
<body>
<div >
<!-- 为ECharts准备一个具备大小（宽高）的Dom -->
<div id="main" style="width: 600px;height:400px;"></div>
<div id="dayK" style="width: 600px;height:400px;"></div>
</div>
<input type="button" value="暂停" onclick="javascript:dayKFlag=false;"/>
<input type="button" value="开始" onclick="javascript:dayKFlag=true;"/>
<script type="text/javascript">
// 基于准备好的dom，初始化echarts实例
var kChart = echarts.init(document.getElementById('dayK'));
function splitData(rawData) {
var categoryData = [];
var values = []
for (var i = 0; i < rawData.length; i++) {
categoryData.push(rawData[i].splice(0, 1)[0]);
rawData[i].splice(4,1);
for(var j = 0; j < rawData[i].length; j++){
rawData[i][j]=Number(rawData[i][j])
}
values.push(rawData[i])
}
return {
categoryData: categoryData,
values: values
};
}
function getDaydate(){
var data={}
$.ajax({
type: "get",
url: "http://localhost:5000/test1",
dataType: 'json',
async:false,
success: function (data1) {
data=data1
}
});
return data;
}
function calculateMA(dayCount,data) {
var result = [];
for (var i = 0, len = data.values.length; i < len; i++) {
if (i < dayCount) {
result.push('-');
continue;
}
var sum = 0;
for (var j = 0; j < dayCount; j++) {
sum += data.values[i - j][1];
}
result.push(sum / dayCount);
}
return result;
}
var i=30;
data=getDaydate()
data=splitData(data)
initKchart({
categoryData: data.categoryData.slice(0,i),
values: data.values.slice(0,i)
})
var dayKFlag=true;
setInterval(function () {
if(dayKFlag!=true){
return;
}
if(i>data.values.length||i<=30){
i++;
return;
}
kChart.setOption({
dataZoom: [
{
start: 100-((30/i)*100),
end: 100
},
{
start: 100-((30/i)*100),
end: 100
}
],
xAxis:
[{
data: data.categoryData.slice(0,i)
}],
series: [{
data: data.values.slice(0,i)
},{
name: 'MA5',
type: 'line',
data: calculateMA(5,{
categoryData: data.categoryData.slice(0,i),
values: data.values.slice(0,i)
}),
smooth: true,
lineStyle: {
normal: {opacity: 0.5}
}
},
{
name: 'MA10',
type: 'line',
data: calculateMA(10,{
categoryData: data.categoryData.slice(0,i),
values: data.values.slice(0,i)
}),
smooth: true,
lineStyle: {
normal: {opacity: 0.5}
}
},
{
name: 'MA20',
type: 'line',
data: calculateMA(20,{
categoryData: data.categoryData.slice(0,i),
values: data.values.slice(0,i)
}),
smooth: true,
lineStyle: {
normal: {opacity: 0.5}
}
},
{
name: 'MA30',
type: 'line',
data: calculateMA(30,{
categoryData: data.categoryData.slice(0,i),
values: data.values.slice(0,i)
}),
smooth: true,
lineStyle: {
normal: {opacity: 0.5}
}
}
]
});
i++;
}, 1000);
function initKchart(data){
kChart.setOption({
title: {
text: '上证指数',
left: 0
},
tooltip: {
trigger: 'axis',
axisPointer: {
type: 'cross'
}
},
legend: {
data: ['日K', 'MA5', 'MA10', 'MA20', 'MA30']
},
grid: {
left: '10%',
right: '10%',
bottom: '15%'
},
xAxis: {
type: 'category',
data: data.categoryData,
scale: true,
boundaryGap : false,
axisLine: {onZero: false},
splitLine: {show: false},
splitNumber: 20,
min: 'dataMin',
max: 'dataMax'
},
yAxis: {
scale: true,
splitArea: {
show: true
}
},
dataZoom: [
{
type: 'inside',
start: 0,
end: 100
},
{
show: true,
type: 'slider',
y: '90%',
start: 0,
end: 100
}
],
series: [
{
name: '日K',
type: 'candlestick',
data: data.values,
markPoint: {
label: {
normal: {
formatter: function (param) {
return param != null ? Math.round(param.value) : '';
}
}
},
data: [
{
name: 'XX标点',
coord: ['2013/5/31', 2300],
value: 2300,
itemStyle: {
normal: {color: 'rgb(41,60,85)'}
}
},
{
name: 'highest value',
type: 'max',
valueDim: 'highest'
},
{
name: 'lowest value',
type: 'min',
valueDim: 'lowest'
},
{
name: 'average value on close',
type: 'average',
valueDim: 'close'
}
],
tooltip: {
formatter: function (param) {
return param.name + '<br>' + (param.data.coord || '');
}
}
},
markLine: {
symbol: ['none', 'none'],
data: [
[
{
name: 'from lowest to highest',
type: 'min',
valueDim: 'lowest',
symbol: 'circle',
symbolSize: 10,
label: {
normal: {show: false},
emphasis: {show: false}
}
},
{
type: 'max',
valueDim: 'highest',
symbol: 'circle',
symbolSize: 10,
label: {
normal: {show: false},
emphasis: {show: false}
}
}
],
{
name: 'min line on close',
type: 'min',
valueDim: 'close'
},
{
name: 'max line on close',
type: 'max',
valueDim: 'close'
}
]
}
},
{
name: 'MA5',
type: 'line',
data: calculateMA(5,data),
smooth: true,
lineStyle: {
normal: {opacity: 0.5}
}
},
{
name: 'MA10',
type: 'line',
data: calculateMA(10,data),
smooth: true,
lineStyle: {
normal: {opacity: 0.5}
}
},
{
name: 'MA20',
type: 'line',
data: calculateMA(20,data),
smooth: true,
lineStyle: {
normal: {opacity: 0.5}
}
},
{
name: 'MA30',
type: 'line',
data: calculateMA(30,data),
smooth: true,
lineStyle: {
normal: {opacity: 0.5}
}
},
]
});
}
// 使用刚指定的配置项和数据显示图表。
//myChart.setOption(option);
// 基于准备好的dom，初始化echarts实例
var myChart = echarts.init(document.getElementById('main'));
// 指定图表的配置项和数据
$.ajax({
type: "get",
url: "http://localhost:5000/test",
dataType: 'json',
success: function (data) {
myChart.setOption({
title: {
text: '异步数据加载示例'
},
tooltip: {},
legend: {
data:['销量']
},
xAxis: {
type : 'category',
boundaryGap : false,
axisLine: {onZero: false},
data: data["date"]
},
yAxis: [{
scale: true,
splitArea: {
show: true
}
},
{
scale: true,
splitNumber: 2,
}],
dataZoom: [{
type: 'inside',
start: 0,
end: 100
},{
start: 0,
end: 100,
}],
series: [{
name: "价格",
type: 'line',
data: data["price"]
}]
});
},
error:function(data){
console.log(data)
}
});
// 使用刚指定的配置项和数据显示图表。
//myChart.setOption(option);
</script>
</body>
</html>