regionalMap.vue
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<template>
<!-- 绘制地图区域组件(圆、矩形、多边形) -->
<el-dialog
v-model="state.showDialog"
:title="props.title"
@close="handleClose"
destroy-on-close
:close-on-click-modal="false"
:close-on-press-escape="false"
align-center
draggable
:style="{ padding: 0, width: dialogWidth, height: dialogHeight }">
<div class="position" v-if="state.showDialog">
<div class="hover-txt" :style="{left: state.pointX+'px', top: state.pointY+'px'}">{{ hoverTxt }}</div>
<div ref="mapRef" id="container"></div>
<div class="search_box">
<div class="change-btn">
<el-input-number
v-model="state.compassVal"
:min="-360"
:max="360"
:precision="0"
placeholder="请输入"
style="width: 150px;margin-right: 12px;"
@keydown.enter="handleCompass"
@blur="handleCompass"
@change="handleCompass"
/>
<el-button :type="state.stateLayer === 0 ? '' : 'primary'" @click="changeMap"> 卫星地图 </el-button>
<el-button :type="state.stateLayer === 1 ? '' : 'primary'" @click="changeMap"> 标准地图 </el-button>
</div>
<div class="btn">
<el-button
type="primary"
@click="handleEditor(1)"
:disabled="state.drawState === 1 || state.drawType === 2 || state.drawType === 3 || props.isView">
{{ state.areaLayer && state.drawType === 1 ? '编辑圆' : '添加圆' }}
</el-button>
<el-button
type="primary"
@click="handleEditor(2)"
:disabled="state.drawState === 1 || state.drawType === 1 || state.drawType === 3 || props.isView">
{{ state.areaLayer && state.drawType === 2 ? '编辑矩形' : '添加矩形' }}
</el-button>
<el-button
type="primary"
@click="handleEditor(3)"
:disabled="state.drawState === 1 || state.drawType === 1 || state.drawType === 2 || props.isView">
{{ state.areaLayer && state.drawType === 3 ? '编辑多边形' : '添加多边形' }}
</el-button>
<el-button type="danger" @click="handleClear" :disabled="props.isView">清除</el-button>
<el-button type="primary" @click="handleEmit" :disabled="props.isView">完成</el-button>
</div>
</div>
<!-- 绘制图形坐标信息 -->
<div class="icon-right">
<el-icon
v-if="state.hidden"
size="30"
style="cursor: pointer;"
@click="state.hidden = !state.hidden">
<CaretLeft />
</el-icon>
</div>
<div
class="area-point-info"
v-if="state.areaLayer && state.drawType !== 0"
:style="{right: state.hidden ? '-1000px' : '20px'}">
<div>
<el-icon
v-if="!state.hidden"
size="30"
style="cursor: pointer;"
@click="state.hidden = !state.hidden">
<CaretRight />
</el-icon>
</div>
<div class="main-con">
<!-- 圆 -->
<div class="box" v-if="state.drawType === 1">
<div class="item">
<div class="title">圆心</div>
<div>
<span>经度:</span>
<el-input-number
v-model="state.areaLayerInfo.path[0]"
placeholder="经度"
style="width: 150px"
:min="-180"
:max="180"
:precision="6"
:controls="false"
@keydown.enter="handleChangeLayer"
@blur="handleChangeLayer"
@change="handleChangeLayer"
/>
<span>纬度:</span>
<el-input-number
v-model="state.areaLayerInfo.path[1]"
placeholder="经度"
style="width: 150px"
:min="-90"
:max="90"
:precision="6"
:controls="false"
@keydown.enter="handleChangeLayer"
@blur="handleChangeLayer"
@change="handleChangeLayer"
/>
</div>
</div>
<div class="item">
<div class="title">半径</div>
<div>
<span>单位:</span>
<el-input-number
v-model="state.areaLayerInfo.radius"
placeholder="半径:"
style="width: 150px"
:min="1"
:precision="6"
:controls="false"
@keydown.enter="handleChangeLayer"
@blur="handleChangeLayer"
@change="handleChangeLayer"
/>
<span style="text-align: left;padding-left: 10px;">米</span>
</div>
</div>
</div>
<!-- 矩形或多边形 -->
<div class="box" v-if="state.drawType === 2 || state.drawType === 3">
<div class="item" v-for="(item,index) in state.areaLayerInfo.path">
<div class="title">坐标{{ index + 1 }}</div>
<div>
<span>经度:</span>
<el-input-number
v-model="item[0]"
placeholder="经度"
style="width: 150px"
:min="-180"
:max="180"
:precision="6"
:controls="false"
@keydown.enter="handleChangeLayer"
@blur="handleChangeLayer"
@change="handleChangeLayer"
/>
<span>纬度:</span>
<el-input-number
v-model="item[1]"
placeholder="经度"
style="width: 150px"
:min="-90"
:max="90"
:precision="6"
:controls="false"
@keydown.enter="handleChangeLayer"
@blur="handleChangeLayer"
@change="handleChangeLayer"
/>
</div>
</div>
</div>
</div>
</div>
</div>
</el-dialog>
</template>
<script setup>
import AMapLoader from '@amap/amap-jsapi-loader';
export default {
name:'regionMAp',
props:{
// 区域范围
areaRangeInfo: {
type: String,
default: '',
},
// 弹窗大小
size: {
type: Number,
default: 2,
},
// 查看定位
isView: {
type: Boolean,
default: false,
},
// 弹窗标题
title: {
type: String,
default: '选取区域',
},
},
data(){
return{
mapObj: null, //定义全局地图
mouseTool:null,//鼠标绘图工具
radio:'', //图案类型
circle:null,//圆形
circlecenter:[],//圆心坐标
circleEditor:null, //圆形编辑器
radius:0,//半径
circleArea:'',//圆形面积
polygon:null,//多边形
polygonPath:[],//获取多边形点坐标
polygonEditor:null,//多边形编辑工具
polygonArea:'',//多边形面积
}
},
mounted(){
this.initMap()
},
methods:{
initMap(){
let map = new AMap.Map('amap-box', {
resizeEnable: true, //是否监控地图容器尺寸变化
zoom:11, //初始化地图层级
center: [116.397428, 39.90923] //初始化地图中心点
});
//左侧鱼骨图显示
let toolbar = new AMap.ToolBar();
map.addControl(toolbar);
//右上角地图切换效果显示
let maptype = new AMap.MapType({
defaultType: 0, //使用2D地图
showRoad:true //叠加路网图层
});
map.addControl(maptype);
self.mapObj = map;
//生成鼠标绘图工具
self.mouseTool = new AMap.MouseTool(self.mapObj);
//绘制 方法
self.mouseTool.on('draw',function(e){
self.mapObj.setDefaultCursor("crosshair");
if(self.radio=='circle'){
//计算圆心坐标
let x = e.obj.getPath()[8].lng ; //圆心的x轴坐标
let y = e.obj.getPath()[0].lat; //圆心的y轴坐标
self.circlecenter=[x,y]; //圆心坐标
//计算圆的半径
let m1 = new AMap.Marker({
position: new AMap.LngLat(e.obj.getPath()[0].lng,e.obj.getPath()[0].lat)
});
let m2 = new AMap.Marker({
position:new AMap.LngLat(e.obj.getPath()[17].lng,e.obj.getPath()[17].lat)
});
let p1 = m1.getPosition();
let p2 = m2.getPosition();
let distance = Math.round(p1.distance(p2));
self.radius=distance;
//圆的面积
self.circleArea = 3.14*(self.radius*self.radius)
self.drawcircle(); //添加圆形到地图
self.mouseTool.close(true) //去掉蓝色底层
}else if(self.radio=='polygon'){
self.polygonPath=e.obj.getPath();
self.drawpolygon();
self.mouseTool.close(true) //去掉蓝色底层
}
});
},
addPhoto(){
let self = this;
self.draw(self.radio);
},
//判断需要画的图形类型
draw(type) {
let self = this;
self.mapObj.setDefaultCursor("crosshair");
switch (type) {
case 'polygon':{
self.mapObj.clearMap(); //清除地图
self.radius='';
self.circleArea="";
self.mouseTool.polygon({});
break;
}
case 'circle':{
self.mapObj.clearMap();
self.polygonArea='';
self.mouseTool.circle({});
break;
}
}
},
//添加圆并且编辑
drawcircle(){
let self = this;
self.circle = new AMap.Circle({ //圆形编辑器的样式
map: self.mapObj,
center:self.circlecenter,
radius:self.radius,
strokeColor: "#F33",
strokeOpacity: 1,
strokeWeight: 1,
fillColor: "#fff",
fillOpacity: 0.5
});
self.circle.setMap(self.mapObj)
// 缩放地图到合适的视野级别
self.mapObj.setFitView([ self.circle ]);
self.circleEditor = new AMap.CircleEditor(self.mapObj,self.circle); //创建多边形编辑器对象
self.circleEditor.open(); //打开多边形编辑器
self.mapObj.setDefaultCursor("crosshair");
self.circleEditor.on('adjust', function(event) {
self.radius=event.radius; //获取圆形的半径
self.circleArea = 3.14*(self.radius*self.radius) //面积
});
self.circleEditor.on('move', function(event) {
console.log(event)//获取圆心坐标
});
},
//添加多边形到地图
drawpolygon(){
let self = this;
self.polygon = new AMap.Polygon({
path: self.polygonPath,
fillColor: '#fff', // 多边形填充颜色
borderWeight: 1, // 线条宽度,默认为 1
strokeWeight: 1,
fillOpacity: 0.5,
strokeColor: 'red', // 线条颜色
});
self.mapObj.add(self.polygon); //多边形添加到地图层里
self.mapObj.setFitView(); //显示多边形图案
self.polygonEditor = new AMap.PolyEditor(self.mapObj,self.polygon); //创建多边形编辑器对象
self.polygonEditor.open(); //打开多边形编辑器
self.polygonArea = AMap.GeometryUtil.ringArea(self.polygonPath);//初始化计算面积
self.polygonEditor.on('adjust', function(event) { //编辑多边形时候,随时监听坐标点并计算面积
self.polygonArea = AMap.GeometryUtil.ringArea(self.polygonPath);
//console.log(self.polygonPath) 获取多边形的点
});
},
//清除所有图形
clearAll(){
let self = this;
self.radio='';
self.radius='';
self.circleArea="";
self.polygonArea='';
self.mapObj.clearMap();
self.mapObj.setDefaultCursor();
},
}
}
</script>
<style lang="scss" scoped>
.position {
box-sizing: border-box;
padding: 0 20px;
width: 100%;
height: 100%;
position: relative;
#container {
width: calc(100% - 40px);
height: calc(100% - 50px);
position: absolute;
top: 50px;
left: 20px;
}
.hover-txt {
position: absolute;
z-index: 50;
border: 1px solid #303133;
background: #fff;
color: #303133;
padding: 2px 4px;
}
.search_box {
width: 100%;
height: 50px;
background-color: #fff;
position: absolute;
top: 0;
left: 20px;
z-index: 50;
.change-btn {
position: absolute;
right: 40px;
}
.btn {
margin-right: 20px;
display: flex;
align-items: center;
.search_input {
width: 100px;
margin-right: 10px;
}
}
}
.icon-right {
position: absolute;
top: 60px;
right: 10px;
background: #fff;
padding-right: 10px;
}
.area-point-info {
position: absolute;
top: 60px;
font-size: var(--size2);
overflow: hidden;
background: #fff;
box-shadow: 4px 4px 40px rgba(0, 0, 0, 0.05);
border-color: rgba(0, 0, 0, 0.05);
// width: 490px;
z-index: 50;
padding: 10px;
.main-con {
max-height: 450px;
overflow-y: auto;
}
.box {
margin-top: 10px;
.item {
display: flex;
align-items: center;
margin-bottom: 15px;
.title {
font-size: var(--size1);
width: 60px;
padding-left: 10px;
line-height: 24px;
}
span {
font-size: var(--size);
color: #909399;
display: inline-block;
width: 60px;
text-align: right;
}
}
}
}
}
</style>