/*
【备注】
转载于x丝男爵，感谢提供资源
并在此基础修改保存
内容说明：
由于不知道是不是echart版本问题导致在这官网demo中不能拖拽，
但本地亲测可以，这里的代码也可以作为参考，欢迎改进
另博客地址：
https://blog.csdn.net/u012138137/article/details/89456199
**/
var nodes = [{
x: '6',
y: '7',
name: '当前设备',
img: 'data-1547632686885-o5Rfi3tyk.png',
},
{
x: '3',
y: '9',
name: '设备A',
img: 'data-1547632686885-o5Rfi3tyk.png',
},
{
x: '3',
y: '5',
name: '设备B',
img: 'data-1547632686885-o5Rfi3tyk.png',
},
{
x: '9',
y: '9',
name: '设备C',
img: 'data-1547632686885-o5Rfi3tyk.png',
},
{
x: '9',
y: '5',
name: '设备D',
img: 'data-1547632686885-o5Rfi3tyk.png',
}
]
var links = [{
source: '当前设备',
target: '设备B',
name: ''
},
{
source: '当前设备',
target: '设备A',
name: ''
},
{
source: '当前设备',
target: '设备C',
name: ''
},
{
source: '当前设备',
target: '设备D',
name: ''
}
]
var charts = {
nodes: [],
links: [],
linesData: []
}
var dataMap = new Map()
for (var j = 0; j < nodes.length; j++) {
var x = parseInt(nodes[j].x)
var y = parseInt(nodes[j].y)
var node = {
name: nodes[j].name,
value: [x, y],
symbolSize: 50,
alarm: nodes[j].alarm,
symbol: 'image:///asset/get/s/' + nodes[j].img,
itemStyle: {
normal: {
color: '#12b5d0',
}
}
}
dataMap.set(nodes[j].name, [x, y])
charts.nodes.push(node)
}
for (var i = 0; i < links.length; i++) {
var link = {
source: links[i].source,
target: links[i].target,
label: {
normal: {
show: true,
formatter: links[i].name
}
},
lineStyle: {
normal: {
color: '#12b5d0'
}
}
}
charts.links.push(link)
// 组装动态移动的效果数据
var lines = [{
coord: dataMap.get(links[i].source)
}, {
coord: dataMap.get(links[i].target)
}]
charts.linesData.push(lines)
}
option = {
tooltip: {
trigger: 'item',
formatter: '{b}',
},
backgroundColor: "#ffffff",
xAxis: {
min: 0,
max: 12,
show: false,
type: 'value'
},
yAxis: {
min: 0,
max: 12,
show: false,
type: 'value'
},
series: [{
type: 'graph',
layout: 'none',
id: 'a',
coordinateSystem: 'cartesian2d',
edgeSymbol: ['', 'arrow'],
// symbolSize: 50,
label: {
normal: {
show: true,
position: 'bottom',
color: '#12b5d0'
}
},
lineStyle: {
normal: {
width: 2,
shadowColor: 'none'
}
},
xAxis: {
min: 0,
max: 12,
show: false,
type: 'value'
},
yAxis: {
min: 0,
max: 12,
show: false,
type: 'value'
},
// edgeSymbolSize: 8,
draggable: true,
data: charts.nodes,
links: charts.links,
z: 4,
itemStyle: {
normal: {
label: {
show: true,
formatter: function(item) {
return item.data.name
}
}
}
}
}, {
name: 'A',
type: 'lines',
coordinateSystem: 'cartesian2d',
z: 4,
effect: {
show: true,
trailLength: 0,
symbol: 'arrow',
color: '#12b5d0',
symbolSize: 8
},
lineStyle: {
normal: {
curveness: 0
}
},
data: charts.linesData,
}]
};
myChart.setOption(option);
myChart.on('click', function(param) {
var nodeses = [{
x: '1',
y: '12',
name: 'DNS',
img: 'data-1547632686885-o5Rfi3tyk.png',
},
{
x: '1',
y: '3',
name: '爬虫数据',
img: 'data-1547632686885-o5Rfi3tyk.png',
}
]
var linkses = [{
source: 'DNS',
target: '爬虫数据',
name: '访问'
}
]
console.info(1)
var chartses = {
nodeses: [],
linkses: [],
linesDataes: []
}
var dataMapes = new Map()
for (var j = 0; j < nodeses.length; j++) {
var x = parseInt(nodeses[j].x)
var y = parseInt(nodeses[j].y)
var node = {
name: nodeses[j].name,
value: [x, y],
symbolSize: 50,
alarm: nodeses[j].alarm,
symbol: 'image:///asset/get/s/' + nodeses[j].img,
itemStyle: {
normal: {
color: '#12b5d0',
}
}
}
dataMapes.set(nodeses[j].name, [x, y])
chartses.nodeses.push(node)
}
for (var i = 0; i < linkses.length; i++) {
var link = {
source: linkses[i].source,
target: linkses[i].target,
label: {
normal: {
show: true,
formatter: linkses[i].name
}
},
lineStyle: {
normal: {
color: '#12b5d0'
}
}
}
chartses.linkses.push(link)
// 组装动态移动的效果数据
var linesess = [{
coord: dataMapes.get(linkses[i].source)
}, {
coord: dataMapes.get(linkses[i].target)
}]
chartses.linesDataes.push(linesess)
}
myChart.setOption({
notMerge: true,
series: [{
data: chartses.nodeses,
links: chartses.linkses,
}, {
data: chartses.linesDataes,
}],
})
});
myChart.setOption({
graphic: echarts.util.map(charts.nodes, function(item, dataIndex) {
return {
type: 'circle',
position: myChart.convertToPixel('grid', item.value),
shape: {
cx: 5,
cy: 5,
r: 20
},
invisible: true,
draggable: true,
ondrag: echarts.util.curry(onPointDragging, dataIndex),
onmousemove: echarts.util.curry(showTooltip, dataIndex),
onmouseout: echarts.util.curry(hideTooltip, dataIndex),
z: 100
};
})
});
function onPointDragging(dataIndex, dx, dy) {
console.log("tempV-----");
var tempV = myChart.convertFromPixel('grid', this.position);
console.log("tempV", tempV);
charts.nodes[dataIndex].value = [tempV[0], tempV[1]];
// Update data
myChart.setOption({
series: [{
id: 'a',
data: charts.nodes
}]
});
}
function showTooltip(dataIndex) {
myChart.dispatchAction({
type: 'showTip',
seriesIndex: 0,
dataIndex: dataIndex
});
}
function hideTooltip(dataIndex) {
myChart.dispatchAction({
type: 'hideTip'
});
}
window.addEventListener('resize', function() {
myChart.resize();
myChart.setOption({
series: [{
id: 'a',
data: charts.nodes
}]
});
});