SmartCommunity/operationSupport/src/utils/AmapSearch.js

window.onLoad = function () {
	var map = new AMap.Map('container');
}
var url = 'https://webapi.amap.com/maps?v=1.4.15&key=c2df9f4026e98b41962148c1703d8f33&plugin=AMap.Autocomplete,AMap.PlaceSearch,AMap.Geocoder,AMap.DistrictSearch&callback=onLoad';
var jsapi = document.createElement('script');
jsapi.type = "text/javascript";
jsapi.src = url;
document.head.appendChild(jsapi);

let times = setInterval(() => {
	try {
		if (!!AMap) {
			const s = document.createElement('script');
			s.type = "text/javascript";
			s.src = 'https://webapi.amap.com/ui/1.1/main.js';
			document.head.appendChild(s);
			clearInterval(times)
		}
	} catch { }

}, 1000)

/**
 * 调用高德地图执行模糊查询
 * @param {Number} page  当前页
 * @param {String} inputval  关键字
 * @param {Function} cb 回调函数
 * @param {Boolean} isMark 是否在地图上标记点
 */
function AmapSearch(page, inputval, cb, isMark) {
	var keywords = inputval;
	AMap.plugin('AMap.PlaceSearch', function () {
		var autoOptions = {
			city: VagueQueryUrl,
			citylimit: true,
			pageIndex: page
		}
		var placeSearch = new AMap.PlaceSearch(autoOptions);
		placeSearch.search(keywords, function (status, result) {
			if (status != "complete") {
				return
			}
			var datas = result.poiList;
			let count = datas.count;
			let crupage = datas.pageIndex;
			let arr = datas.pois;
			var pointData = [];
			var returnObjectList = [];
			for (let i = 0; i < arr.length; i++) {
				const element = arr[i];
				var xy = [];
				var x = element.location.lng; //经度
				var y = element.location.lat; // 纬度
				x = handle_x(x);
				y = handle_y(y);
				xy.push(x);
				xy.push(y);

				var returnObject = new Object();
				returnObject.id = element.id;
				returnObject.text = element.name;
				returnObject.address = element.address;
				returnObject.XY = xy;
				var marksData = {
					"json": xy
				};
				pointData = pointData.concat(marksData);
				returnObjectList.push(returnObject);
			}
			var symbol = new PictureMarkSymbolArgs();
			symbol.url = "images/amap_l_gray.png";
			symbol.height = 36;
			symbol.width = 36;
			symbol.yoffset = 15;
			symbol.xoffset = 3;
			if (isMark) {
				createMarkLayer(pointData, "vagueQueryLyr", symbol);
			}
			var resDatasObj = {
				keywords: keywords,
				page: crupage,
				count: count,
				list: returnObjectList
			}
			cb(resDatasObj);
		})
	})
}
// RoadInfoSearch()
function RoadInfoSearch() {
	AMap.plugin('AMap.RoadInfoSearch', function () {
		var autoOptions = {
			city: VagueQueryUrl,
			pageSize: 100,
			pageIndex: 1
		}
		var roadInfoSearch = new AMap.RoadInfoSearch(autoOptions);
		roadInfoSearch.crossInfoSearchByCrossId("", function (status, result) {
			console.log(status, result);

		})
	})
}

//经度转墨卡托
function handle_x(x) {
	return (x / 180.0) * 20037508.34;
}

//纬度度转墨卡托
function handle_y(y) {
	if (y > 85.05112) {
		y = 85.05112;
	}

	if (y < -85.05112) {
		y = -85.05112;
	}

	y = (Math.PI / 180.0) * y;
	var tmp = Math.PI / 4.0 + y / 2.0;
	return 20037508.34 * Math.log(Math.tan(tmp)) / Math.PI;
}

/**
 * 获取行政区域；
 * @param {String} val 行政区域名
 * @param {Function} cb 回调函数
 */
function getExtent(val, cb) {
	if (!val) return;
	var AmapCityBoundaries = {};
	AMap.plugin('AMap.DistrictSearch', function () {
		var districtSearch = new AMap.DistrictSearch({
			// 关键字对应的行政区级别，country表示国家
			level: 'city',
			//  显示下级行政区级数，1表示返回下一级行政区
			subdistrict: 1,
			extensions: "all"
		})

		// 搜索所有省/直辖市信息
		districtSearch.search(val, function (status, result) {
			let initWkid = 2360; // 默认xian80坐标系
			//巴里坤的lessid 巴里坤的层级和坐标系
			let blklessid = "912588c2a65543dca846";
			let getblklessid = JSON.parse(sessionStorage.getItem("account")).lesseeId;
			if (blklessid === getblklessid) {
				initWkid = 102100;
			}
			// 查询成功时，result即为对应的行政区信息
			if (status == "complete") {
				let cruExtent = result.districtList[0].center;
				AmapCityBoundaries.type = "point";
				AmapCityBoundaries.x = handle_x(cruExtent.lng);
				AmapCityBoundaries.y = handle_y(cruExtent.lat);
				AmapCityBoundaries.spatialReference = { "wkid": initWkid };
				cb(AmapCityBoundaries);
			} else {

			}
		})
	})
}



// 高德测量面积接口
function AmapGetArea(paths, callback) {
	var area = AMap.GeometryUtil.ringArea(paths);
	callback(area);
}