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echarts+json笔记
echart_test.html
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script type="text/javascript" src="http://www.mamicode.com/demo.js"></script>
<title>ECharts</title>
<script src="http://www.mamicode.com/echarts.common.min.js"></script>
<script type="text/javascript">
</script>
</head>
<body onl oad="echarts_test(‘main‘, lolo_spec, lo_spec, hi_spec, hihi_spec, meas_spec, freq_spec);">
<input type="button" id="echarts_01" value="http://www.mamicode.com/echarts_01" onclick="echarts_test(‘main‘, lolo_spec, lo_spec, hi_spec, hihi_spec, meas_spec, freq_spec);">
<div id="main" style="height:400px;width:1000px"></div>
<script type="text/javascript">
var json_var =‘{"json_var_01":[{index:2, freq:200, lo:120},{index:1, freq:100, lo:150}]}‘;
var json_data = http://www.mamicode.com/eval("("+json_var+")");
console.log(json_data);
function down(x, y) {
return (x.freq > y.freq) ? 1 : -1
}
json_data.json_var_01.sort(down);
console.log(json_data);
var lolo_spec = [100, 150, 100, 200, 100, 50, 400, 200, 500, 200];
var lo_spec = [200, 220, 200, 300, 300, 90, 500, 400, 700, 300];
var hi_spec = [500, 300, 400, 400, 550, 150, 600, 500, 880, 400];
var hihi_spec = [600, 400, 500, 500, 700, 200, 1000, 700, 1000, 500];
var meas_spec = [241, 260, 280, 400, 500, 100, 930, 560, 750, 350];
var freq_spec = [150, 200, 300, 400, 500, 600, 700, 800, 900, 1000];
</script>
<dir id="branch" style="height:400px;width:1000px"></dir>
</body>
demo.js
function demo_f01()
{
alert("demo_f01");
}
function echarts_test (id, lolo_spec, lo_spec, hi_spec, hihi_spec, meas_spec, freq_spec)
{
// 基于准备好的dom，初始化echarts图表
var myChart = echarts.init(document.getElementById(id));
var option = {
title:{
text:‘title_name‘,
show:true,
},
tooltip: {
trigger:‘axis‘,
axisPointer: {
type: ‘line‘
},
show: true,
},
legend: {
data:[‘lolo‘,‘lo‘,‘hi‘,‘hihi‘,‘meas‘]
},
xAxis : [
{
type : ‘category‘,
splitLine: {
show: false,
},
data : freq_spec,
}
],
yAxis : [
{
type : ‘value‘,
splitLine: {
show: false,
}
}
],
series : [
{
name:"hihi",
type:"line",
smooth: false,
data: hihi_spec,
areaStyle: {
normal: {
opacity:0.5,
color:‘#FF0000‘,
}
}
},
{
name:"hi",
type:"line",
smooth: false,
data: hi_spec,
areaStyle: {
normal: {
opacity:1,
color:‘#FFFFFF‘,
}
}
},
{
name:"meas",
type:"line",
smooth: false,
data: meas_spec,
lineStyle: {
normal: {
opacity:1,
color:‘#00BB00‘,
width:3,
}
}
},
{
name:"lo",
type:"line",
smooth: false,
data: lo_spec,
areaStyle: {
normal: {
opacity:0.5,
color:‘#FFD306‘,
}
}
},
{
name:"lolo",
type:"line",
smooth: false,
data: lolo_spec,
areaStyle: {
normal: {
opacity:1,
color:‘#FFFFFF‘,
}
}
},
],
dataZoom: [
{
type: ‘slider‘,
xAxisIndex: 0,
start: 0,
end: 100
},
{
type: ‘inside‘,
xAxisIndex: 0,
start: 0,
end: 100
},
],
toolbox: {
feature: {
restore:{},
dataView: {
show:true,
readOnly:true,
lang:["Spectrum Data", "close"]
},
saveAsImage: {
show:true,
excludeComponents :[‘toolbox‘],
pixelRatio: 2,
}
}
},
};
//myChart.showLoading();
// 为echarts对象加载数据
myChart.hideLoading();
myChart.setOption(option);
}
echarts+json笔记
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