var data_in = [
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900.41,
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885.39,
897.63,
892.44,
879.04,
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821.20,
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585.67,
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518.20,
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var oneDay = 24 * 3600 *1000;
var fiveMinutes = 300 * 1000;
var timestr = '2016/2/18 00:00:00';
var startTime = +new Date(timestr)-fiveMinutes;
//把new Date出来的时间格式转换为data123中的日期格式
function riqigeshi(now){
return now.toLocaleDateString() + ' ' + now.getHours() + now.toLocaleTimeString().substr(-6,6)
}
//用来返回data123一样的数据格式
function chartData(i,data,now) {
return {
value: [
riqigeshi(now),
data[i]/1024,
]
}
}
//把原数据改成data123一样的格式
function changeData(datain) {
var liuru = [];
for (var i = 0; i < 289; i++) {
startTime = new Date(+startTime + fiveMinutes);
liuru.push(chartData(i,datain,startTime));
}
return liuru;
}
var liuru = changeData(data_in);
// var chart = echarts.init(document.getElementById("chart"));
option = {
grid:{
x:'3.6%',
y:'5%',
x2:'2.4%',
y2:'12%',
},
xAxis:{
type:'time',
splitNumber:24
},
yAxis:{
type:'value',
axisLabel:{
formatter:'{value} G' //给Y轴上的刻度加上单位
},
},
dataZoom: [
{
type: 'slider',//数据滑块
start:0,
minSpan:8, //5min
// minSpan:16, //10min
// minSpan:24, //15min
// minSpan:50, //30min
dataBackground:{
lineStyle:{
color:'#95BC2F'
},
areaStyle:{
color:'#95BC2F',
opacity:1,
}
},
// fillerColor:'rgba(255,255,255,.6)'
},
{
type:'inside'//使鼠标在图表中时滚轮可用
}
],
tooltip:{
trigger: 'axis',
formatter : function(params) {
var result = params[0].value[0];
params.forEach(function(item) {
result += '<br/>';
result += '<span style="display:inline-block;margin-right:5px;border-radius:10px;width:9px;height:9px;background-color:' + item.color + '"></span>';
result += item.seriesName + "：";
result += isNaN(item.value[1]) ? 0 : (item.value[1]*1024).toFixed(2) + "M";
});
return result;
},
},
series:{
name: '流入',
type: 'line',
showSymbol: false,
symbolSize:12,
data: liuru,
}
};
function refresh() {
// liuru先shift(),再push()
var liuruShift = liuru.shift();
var liuruShiftVal = liuruShift.value[1];
var newlrtime = riqigeshi(new Date(+new Date(liuruShift.value[0])+oneDay+fiveMinutes));
liuru.push({value:[newlrtime,liuruShiftVal]});
myChart.setOption({
series:{
data:liuru,
}
});
}
setInterval(function () {
refresh();
},1000);