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GGJ
2025-01-09 19:02:44 +08:00
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<template>
<div id="wqq">
<el-button style="position:absolute;right:10px;z-index:20000"
type="text"
icon="el-icon-download"
title="生成图片"
@click="download"
>下载</el-button>
<div ref="wqd"
id="outlineechart"
></div>
</div>
</template>
<script>
import yan from "@/assets/commjs/color";
export default {
data() {
return {
echartsheight: undefined,
device: 1,
zoom: "",
myChartes:''
};
},
props: {
xdata: {
type: Array,
default: undefined,
},
ydata: {
type: Array,
default: undefined,
},
title: {
type: String,
default: undefined,
},
},
created() {},
mounted() {
this.resizeEchartd()
this.zoom = 1 / document.body.style.zoom;
window.addEventListener("resize", () => {
this.zoom = 1 / document.body.style.zoom;
if(this.myChartes!==''){
this.myChartes.resize();
}
});
this.$nextTick(() => {
this.evaluation();
});
},
methods: {
resizeEchartd(){
var elementResizeDetectorMaker = require("element-resize-detector")
if(document.getElementById("wqq")){
var erd = elementResizeDetectorMaker()
erd.listenTo(document.getElementById("wqq"), (element) => {
let domeId=document.getElementById("wqq")
let domeId2=document.getElementById("outlineechart")
domeId2.style.width= domeId.offsetWidth - 0 + "px"
if(this.myChartes !==''){
this.myChartes.resize();
}
});
}
},
download() {
// 转换成canvas
html2canvas(document.getElementById("wqq"), {
background:'#fff',
scale: 1,
}).then(function (canvas) {
// 创建a标签实现下载
var creatIMg = document.createElement("a");
creatIMg.download ="污区图.png"; // 设置下载的文件名,
creatIMg.href = canvas.toDataURL(); // 下载url
creatIMg.click();
creatIMg.remove(); // 下载之后把创建的元素删除
});
},
evaluation() {
const echarts = require("echarts");
let domID1 = document.getElementById("outlineechart");
setTimeout(() => {
domID1.style.width =
document.getElementById("wqq").offsetWidth - 0+'px'
domID1.style.height =
(window.sessionStorage.getItem("appheight") - 50) / 2 + "px";
}, 0);
var myChartes = echarts.init(domID1);
this.myChartes = myChartes
let echartsColor = JSON.parse(window.localStorage.echartsColor);
var option = {
title: {
text: "区域",
left: "center",
textStyle: {
fontSize: 20,
color: echartsColor.WordColor,
},
// subtext: ''
},
tooltip: {
trigger: "axis",
axisPointer: {
type: "shadow",
label: {
color: "#fff",
fontSize: 16,
},
},
textStyle: {
color: "#fff",
fontStyle: "normal",
opacity: 0.35,
fontSize: 14,
},
backgroundColor: "rgba(0,0,0,0.35)",
formatter: function (params) {
var tips = "";
tips +=
'<span style="">' +
params[0].name +'</br>'
"</span>";
for (var i = 0; i < params.length; i++) {
if (params[i].value == 0.05) {
tips += params[i].seriesName + ":暂无数据<br/>";
} else {
tips += params[i].seriesName + ":"+params[i].value;
}
}
return tips;
},
},
grid: yan.EchartObject.grid7,
xAxis: [
{
name:yan.EchartObject.area,
nameTextStyle: {
color: echartsColor.WordColor,
verticalAlign:'top',//标题位置
padding: [-5, 0, 0, 10]
},
type: "category",
data: this.xdata,
splitLine: {
show: false,
type: "dashed",
lineStyle: {
color: echartsColor.thread,
},
},
axisTick: {
alignWithLabel: true,
},
axisLine: {
show: true,
symbol: ["none", "arrow"],
symbolOffset:25,//箭头距离x轴末端距离
lineStyle: {
shadowOffsetX:25,
color: echartsColor.thread,
shadowColor: echartsColor.thread, //设置阴影的颜色
},
},
axisLabel: {
interval: 0,
textStyle: {
fontFamily: "dinproRegular",
color: echartsColor.WordColor,
},
rotate: yan.rotate(this.xdata.length)
},
},
],
//toolbox: yan.EchartObject.toolbox1,
yAxis: {
name: yan.EchartObject.grade,
nameTextStyle: {
color: echartsColor.WordColor,
verticalAlign:'top',//标题位置
padding: [-22, 0, 10, 0]
},
type: "value",
min: 0,
max: 2,
interval: 0.2,
axisLabel: {
show: true,
textStyle: {
color: echartsColor.WordColor,
},
// 这里重新定义就可以
formatter: function (value, index) {
var texts = [];
if (value ===1) {
texts.push("1级");
} else if (value ===1.2) {
texts.push("2级");
} else if (value === 1.4) {
texts.push("3级");
} else if (value === 1.6) {
texts.push("4级");
} else if (value === 2) {
texts.push("5级");
}
return texts;
},
},
splitLine: {
show:false,
lineStyle: {
// 使用深浅的间隔色
color: [echartsColor.thread],
//type: "dashed",
opacity: 0.5,
},
},
axisLine: {
show: true,
symbolOffset:25,//箭头距离x轴末端距离
lineStyle: {
shadowOffsetY:-25,
color: echartsColor.thread,
shadowColor: echartsColor.thread, //设置阴影的颜色
},
symbol: ["none", "arrow"],
},
},
dataZoom: yan.EchartObject.dataZoom,
series: [
{
name: "污染值",
barMaxWidth: yan.EchartObject.barMaxWidth,
type: "bar",
label: {
normal: {
show: false,
position: "top",
},
},
itemStyle: {
normal: {
// 随机显示
//color:function(d){return "#"+Math.floor(Math.random()*(256*256*256-1)).toString(16);}
// 定制显示(按顺序)
color: function (params) {
if (params.value >2) {
return new echarts.graphic.LinearGradient(
0,
1,
0,
0,
[
{
offset: 1,
color: yan.ColorObject.zdContaminated,
},
],
false
);
} else if (1.6< params.value && params.value <= 2) {
return new echarts.graphic.LinearGradient(
0,
1,
0,
0,
[
{
offset: 1,
color: yan.ColorObject.centerContaminated,
},
],
false
);
} else if (1.2< params.value && params.value <= 1.6) {
return new echarts.graphic.LinearGradient(
0,
1,
0,
0,
[
{
offset: 1,
color: yan.ColorObject.qdContaminated,
},
],
false
);
} else if (1< params.value && params.value <=1.2) {
return new echarts.graphic.LinearGradient(
0,
1,
0,
0,
[
{
offset: 1,
color: yan.ColorObject.qwContaminated,
},
],
false
);
} else if (
0 < params.value &&
params.value <=1 && params.value >= 0 &&
params.value !== 0.05
) {
return new echarts.graphic.LinearGradient(
0,
1,
0,
0,
[
{
offset: 1,
color: yan.ColorObject.noContaminated,
},
],
false
);
} else if (params.value == 0.05) {
return new echarts.graphic.LinearGradient(
0,
1,
0,
0,
[
{
offset: 1,
color: "#999999",
},
],
false
);
}
},
},
},
markLine: {
silent: false,
symbol: "circle",
lineStyle: {
color: "red",
width: 1,
},
emphasis: {
lineStyle: {
width: 1,
},
},
data: [
{
name: "",
yAxis: 1,
lineStyle: {
color: yan.ColorObject.noContaminated,
},
label: {
//position: "middle",
formatter: "{b}",
textStyle: {
color: yan.ColorObject.noContaminated,
},
},
},
{
name: "",
yAxis: 1.2,
lineStyle: {
color: yan.ColorObject.qwContaminated,
},
label: {
// position: "middle",
formatter: "{b}",
textStyle: {
color: yan.ColorObject.qwContaminated,
},
},
},
{
name: "",
yAxis: 1.4,
lineStyle: {
color: yan.ColorObject.qdContaminated,
},
label: {
// position: "middle",
formatter: "{b}",
textStyle: {
color: yan.ColorObject.qdContaminated,
},
},
},
{
name: "",
yAxis: 1.6,
lineStyle: {
color: yan.ColorObject.centerContaminated,
},
label: {
// position: "middle",
formatter: "{b}",
textStyle: {
color: yan.ColorObject.centerContaminated,
},
},
},
{
name: "",
yAxis: 2,
lineStyle: {
color: yan.ColorObject.zdContaminated,
},
label: {
// position: "middle",
formatter: "{b}",
textStyle: {
color: yan.ColorObject.zdContaminated,
},
},
},
],
},
data: this.ydata,
},
],
};
myChartes.setOption(option)
window.echartsArr.push(myChartes);
// setTimeout(() => {
// myChartes.resize();
// }, 100);
let _this = this;
_this.$erd.listenTo(_this.$refs.wqd, (element) => {
_this.$nextTick(() => {
domID1.style.width= document.getElementById("wqq").offsetWidth - 0+'px'
myChartes.resize();
});
});
window.onresize = function () {
myChartes.resize();
};
// setInterval(()=>{
// myChartes.resize()
// },100)
},
},
};
</script>