smartmeter-app/echarts-for-weixin-master/pages/graph/index.js
2023-12-05 16:45:28 +08:00

142 lines
2.7 KiB
JavaScript

import * as echarts from '../../ec-canvas/echarts';
const app = getApp();
function initChart(canvas, width, height, dpr) {
const chart = echarts.init(canvas, null, {
width: width,
height: height,
devicePixelRatio: dpr // new
});
canvas.setChart(chart);
var option = {
title: {
text: 'Graph 简单示例'
},
tooltip: {},
animationDurationUpdate: 1500,
animationEasingUpdate: 'quinticInOut',
series: [
{
type: 'graph',
layout: 'none',
symbolSize: 50,
roam: true,
label: {
normal: {
show: true
}
},
// edgeSymbol: ['circle', 'arrow'],
// edgeSymbolSize: [4, 10],
edgeLabel: {
normal: {
textStyle: {
fontSize: 20
}
}
},
data: [{
name: '节点1',
x: 300,
y: 300,
itemStyle: {
color: '#37A2DA'
}
}, {
name: '节点2',
x: 800,
y: 300,
itemStyle: {
color: '#32C5E9'
}
}, {
name: '节点3',
x: 550,
y: 100,
itemStyle: {
color: '#9FE6B8'
}
}, {
name: '节点4',
x: 550,
y: 500,
itemStyle: {
color: '#FF9F7F'
}
}],
// links: [],
links: [{
source: 0,
target: 1,
symbolSize: [5, 20],
label: {
normal: {
show: true
}
},
lineStyle: {
normal: {
width: 4,
curveness: 0.2
}
}
}, {
source: '节点2',
target: '节点1',
label: {
normal: {
show: true
}
},
lineStyle: {
normal: { curveness: 0.2 }
}
}, {
source: '节点1',
target: '节点3'
}, {
source: '节点2',
target: '节点3'
}, {
source: '节点2',
target: '节点4'
}, {
source: '节点1',
target: '节点4'
}],
lineStyle: {
normal: {
opacity: 0.9,
width: 2,
curveness: 0
}
}
}
]
};
chart.setOption(option);
return chart;
}
Page({
onShareAppMessage: function (res) {
return {
title: 'ECharts 可以在微信小程序中使用啦!',
path: '/pages/index/index',
success: function () { },
fail: function () { }
}
},
data: {
ec: {
onInit: initChart
}
},
onReady() {
}
});