LocalLivingServicesUniapp/pages/store/selectTdMap.vue

<template>
	<view class="container">
		<view class="top"></view>
		<view class="head">
			<view class="handle">
				<view class="head_left">
					<span class="cuIcon-back" @click="back"></span>
				</view>
				<span class="center">选择地址</span>
			</view>
		</view>

		<!-- 地图容器 -->
		<view id="mapContainer" class="map-container"></view>

		<!-- 搜索功能区域 -->
		<view class="search-panel" v-if="showSearch">
			<view class="search-input-group">
				<input class="search-input" v-model="searchKeyword" placeholder="输入关键词搜索地点" @confirm="handleSearch"
					@input="onSearchInput" />
				<button class="search-btn" @click="handleSearch">搜索</button>
			</view>

			<view class="search-results" v-if="searchResults.length > 0">
				<view class="result-header">
					<text>搜索结果 ({{ searchResults.length }} 个)</text>
					<text class="clear-results" @click="clearSearchResults">清除</text>
				</view>
				<scroll-view class="results-list" scroll-y>
					<view v-for="(result, index) in searchResults" :key="index" 
						class="result-item" 
						@click="selectSearchResult(result)"
						:class="{'selected': isSelected(result)}">
						<view class="left">
							<view class="result-name">{{ result.name }}</view>
							<view class="result-address">{{ result.address }}</view>
						</view>
						
						<view class="manage" @click.stop="submitSelectedResult">确定</view>
					</view>
				</scroll-view>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		props: {
			initialPosition: {
				type: Object,
				default: () => ({
					lnglat: null,
					address: ''
				})
			},
			allowSelection: {
				type: Boolean,
				default: true
			},
			showCoordinates: {
				type: Boolean,
				default: true
			},
			showSearch: {
				type: Boolean,
				default: true
			}
		},
		data() {
			return {
				tk: '9bcf63358817bfb878e8236de8bf1423',
				searchKeyword: '',
				searchResults: [],
				selectedResult: null,
				renderjsReady: false
			};
		},
		mounted() {
			console.log('组件mounted');
			// 等待renderjs初始化
			setTimeout(() => {
				this.waitForRenderjs();
			}, 1000);
		},
		methods: {
			// 等待renderjs就绪
			waitForRenderjs() {
				if (this.renderjsReady) return;
				
				const checkInterval = setInterval(() => {
					if (this.$refs && this.$refs.renderjsMap) {
						clearInterval(checkInterval);
						this.renderjsReady = true;
						console.log('renderjs就绪');
						
						// 如果有初始位置，设置地图中心
						if (this.initialPosition && this.isValidPosition(this.initialPosition)) {
							this.setMapCenterFromProps();
						}
					}
				}, 100);
				
				// 10秒后超时
				setTimeout(() => {
					clearInterval(checkInterval);
					console.warn('等待renderjs超时');
				}, 10000);
			},
			
			// 从props设置地图中心
			setMapCenterFromProps() {
				const mapData = {
					lng: this.initialPosition.lng || 
						(this.initialPosition.lnglat && this.initialPosition.lnglat.lng) || 
						(this.initialPosition.lnglat && this.initialPosition.lnglat.longitude),
					lat: this.initialPosition.lat || 
						(this.initialPosition.lnglat && this.initialPosition.lnglat.lat) || 
						(this.initialPosition.lnglat && this.initialPosition.lnglat.latitude),
					address: this.initialPosition.address || ''
				};
				
				this.callRenderjsMethod('updateMapWithMarker', mapData);
			},
			
			// 调用renderjs方法
			callRenderjsMethod(methodName, data) {
				
				if (!this.renderjsReady) {
					console.warn('renderjs未就绪，延迟执行');
					setTimeout(() => {
						this.callRenderjsMethod(methodName, data);
					}, 300);
					return;
				}
				
				// 直接调用renderjs模块的方法
				try {
					// 方法1: 通过模块名调用
					if (this.$refs.renderjsMap) {
						this.$refs.renderjsMap.callMethod(methodName, data);
						return;
					}
					
					// 方法2: 使用uni的callMethod
					const ownerInstance = this.$ownerInstance;
					if (ownerInstance && ownerInstance.callMethod) {
						ownerInstance.callMethod('callRenderjsMethod', {
							method: methodName,
							data: data
						});
						return;
					}
					
					console.error('无法调用renderjs方法');
					
				} catch (error) {
					console.error(`调用renderjs方法 ${methodName} 失败:`, error);
					
					// 重试
					setTimeout(() => {
						if (this.renderjsReady) {
							this.callRenderjsMethod(methodName, data);
						}
					}, 500);
				}
			},
			
			// 选择搜索结果
			selectSearchResult(result) {
				console.log('选择搜索结果:', result);
				
				// 设置为当前选中
				this.selectedResult = result;
				
				// 提取经纬度信息
				const coords = this.extractCoordinates(result);
				if (!coords) {
					uni.showToast({
						title: '无法获取位置坐标',
						icon: 'none'
					});
					console.error('无法解析坐标:', result);
					return;
				}
				
				const { lng, lat } = coords;
				
				// 创建地图数据
				const mapData = {
					lng: lng,
					lat: lat,
					address: result.address || result.name,
					name: result.name,
					fromSearch: true
				};
				
				// 更新地图并添加标记
				this.callRenderjsMethod('updateMapWithMarker', mapData);
				
				console.log('地图已定位到:', lng, lat, result.name);
			},
			
			// 提交选中的结果
			submitSelectedResult() {
				if (!this.selectedResult) {
					uni.showToast({
						title: '请先选择一个位置',
						icon: 'none'
					});
					return;
				}
				
				this.submit(this.selectedResult);
			},
			
			// 判断结果是否被选中
			isSelected(result) {
				if (!result || !this.selectedResult) return false;
				
				// 提取当前结果的坐标
				const resultCoords = this.extractCoordinates(result);
				const selectedCoords = this.extractCoordinates(this.selectedResult);
				
				if (!resultCoords || !selectedCoords) return false;
				
				// 使用更精确的比较方式
				return Math.abs(resultCoords.lng - selectedCoords.lng) < 0.000001 &&
					   Math.abs(resultCoords.lat - selectedCoords.lat) < 0.000001;
			},
			
			// 提取坐标信息
			extractCoordinates(item) {
				let lng, lat;
				
				if (item.lonlat) {
					const coords = item.lonlat.split(',');
					if (coords.length >= 2) {
						lng = parseFloat(coords[0]);
						lat = parseFloat(coords[1]);
					}
				} else if (item.longitude && item.latitude) {
					lng = item.longitude;
					lat = item.latitude;
				} else if (item.lng && item.lat) {
					lng = item.lng;
					lat = item.lat;
				}
				
				// 验证坐标有效性
				if (lng !== undefined && lat !== undefined && 
					!isNaN(lng) && !isNaN(lat) &&
					lng >= -180 && lng <= 180 &&
					lat >= -90 && lat <= 90) {
					return { lng, lat };
				}
				
				console.warn('无法提取有效坐标:', item);
				return null;
			},
			
			// 提交选择
			submit(item) {
				const coords = this.extractCoordinates(item);
				if (!coords) {
					uni.showToast({
						title: '无法获取位置坐标',
						icon: 'none'
					});
					return;
				}
				
				const params = {
					lng: coords.lng,
					lat: coords.lat,
					address: item.name,
					name: item.name
				};
				
				console.log('提交参数:', params);
				uni.setStorageSync('address', params);
				uni.navigateBack({
					delta: 1
				});
			},
			
			back() {
				uni.navigateBack();
			},
			
			isValidPosition(position) {
				const lng = position.lng ||
					(position.lnglat && (position.lnglat.lng || position.lnglat.longitude));
				const lat = position.lat ||
					(position.lnglat && (position.lnglat.lat || position.lnglat.latitude));
				return lng && lat && !isNaN(parseFloat(lng)) && !isNaN(parseFloat(lat));
			},
			
			handleSearch() {
				if (!this.searchKeyword.trim()) {
					uni.showToast({
						title: '请输入搜索关键词',
						icon: 'none'
					});
					return;
				}
				
				this.searchByRestAPI(this.searchKeyword);
			},
			
			searchByRestAPI(keyword) {
				let cityCode = uni.getStorageSync('cityCode') || '140100';
				let postStr = {
					"keyWord": keyword,
					"queryType": 12,
					"start": 0,
					"count": 10,
					"specify": "156" + cityCode
				};
				
				uni.request({
					url: `https://api.tianditu.gov.cn/v2/search?postStr=${encodeURIComponent(JSON.stringify(postStr))}&type=query&tk=${this.tk}`,
					success: (res) => {
						if (res.data.code == 200 && res.data) {
							this.searchResults = res.data.pois.map(item => ({
								...item,
								location: item.lonlat
							}));
						} else {
							uni.showToast({
								title: '搜索失败，请重试',
								icon: 'none'
							});
						}
					},
					fail: (error) => {
						console.error('搜索请求失败:', error);
						uni.showToast({
							title: '网络错误，请重试',
							icon: 'none'
						});
					}
				});
			},
			
			onSearchInput(e) {
				this.searchKeyword = e.detail.value;
			},
			
			clearSearchResults() {
				this.searchResults = [];
				this.searchKeyword = '';
				this.selectedResult = null;
			}
		}
	};
</script>

<!-- 使用module属性定义renderjs模块 -->
<script module="renderjsMap" lang="renderjs">
	let mapInstance = null;
	let markerInstance = null;
	let labelInstance = null;
	
	export default {
		data() {
			return {
				mapLoaded: false,
				lastDataHash: ''
			};
		},
		methods: {
			// Vue组件调用的方法
			updateMapWithMarker(mapData) {
				console.log('【RenderJS】updateMapWithMarker 被调用', mapData);
				
				if (!this.mapLoaded || !mapInstance) {
					console.warn('地图未加载，延迟执行');
					setTimeout(() => {
						this.updateMapWithMarker(mapData);
					}, 300);
					return;
				}
				
				// 验证数据
				const dataHash = JSON.stringify(mapData);
				if (dataHash === this.lastDataHash) {
					console.log('数据未变化，跳过更新');
					return;
				}
				this.lastDataHash = dataHash;
				
				// 验证坐标
				const lng = Number(mapData.lng);
				const lat = Number(mapData.lat);
				const address = mapData.address || mapData.name || '未知位置';
				
				if (isNaN(lng) || isNaN(lat)) {
					console.error('坐标无效:', mapData);
					return;
				}
				
				// 移动地图中心
				const targetLngLat = new window.T.LngLat(lng, lat);
				mapInstance.panTo(targetLngLat);
				
				// 设置缩放级别
				if (mapData.fromSearch) {
					mapInstance.setZoom(15);
				}
				
				// 创建标记
				this.createMarker(targetLngLat, address, mapData.name || '');
			},
			
			clearMarkers() {
				if (markerInstance && mapInstance) {
					mapInstance.removeOverLay(markerInstance);
					markerInstance = null;
				}
				if (labelInstance && mapInstance) {
					mapInstance.removeOverLay(labelInstance);
					labelInstance = null;
				}
			},
			
			createMarker(lngLat, address, name) {
				try {
					const T = window.T;
					
					// 清除旧标记
					this.clearMarkers();
					
					// 创建自定义图标
					const iconUrl = this.generateMarkerIcon('#ff0000');
					const icon = new T.Icon({
						iconUrl: iconUrl,
						iconSize: new T.Point(30, 30),
						iconAnchor: new T.Point(15, 30)
					});
					
					// 创建标记
					markerInstance = new T.Marker(lngLat, {
						icon: icon,
						title: name || address
					});
					
					// 创建标签
					labelInstance = new T.Label({
						text: address,
						position: lngLat,
						style: {
							color: '#333',
							backgroundColor: 'rgba(255, 255, 255, 0.9)',
							borderColor: '#ff0000',
							borderWidth: 1,
							borderRadius: 4,
							fontSize: '14px',
							fontWeight: '500',
							padding: '6px 10px'
						},
						offset: new T.Point(0, -40)
					});
					
					// 添加到地图
					mapInstance.addOverLay(markerInstance);
					mapInstance.addOverLay(labelInstance);
					
					// 标记点击事件
					markerInstance.addEventListener('click', () => {
						this.sendToVue('showLocationInfo', {
							lng: lngLat.getLng().toFixed(6),
							lat: lngLat.getLat().toFixed(6),
							address: address,
							name: name
						});
					});
					
					console.log('标记创建成功');
					
				} catch (error) {
					console.error('创建标记失败:', error);
				}
			},
			
			generateMarkerIcon(color) {
				const size = 30;
				const canvas = document.createElement('canvas');
				canvas.width = size;
				canvas.height = size;
				const ctx = canvas.getContext('2d');
				
				ctx.beginPath();
				ctx.arc(size/2, size/2, size/2 - 1, 0, Math.PI * 2);
				ctx.fillStyle = '#ffffff';
				ctx.fill();
				
				ctx.beginPath();
				ctx.arc(size/2, size/2, size/2 - 4, 0, Math.PI * 2);
				ctx.fillStyle = color;
				ctx.fill();
				
				return canvas.toDataURL();
			},
			
			// 初始化地图
			async initMap() {
				try {
					console.log('【RenderJS】开始初始化地图');
					
					// 加载API
					await this.loadTiandituAPI();
					
					// 获取容器
					const container = document.getElementById('mapContainer');
					if (!container) {
						throw new Error('地图容器不存在');
					}
					
					// 创建地图实例
					const T = window.T;
					mapInstance = new T.Map(container);
					
					// 设置默认中心点
					const center = new T.LngLat(112.55, 37.87);
					mapInstance.centerAndZoom(center, 12);
					
					// 添加图层
					const vecLayer = new T.TileLayer(
						`https://t{s}.tianditu.gov.cn/vec_c/wmts?tk=9bcf63358817bfb878e8236de8bf1423`, {
							subdomains: ['0', '1', '2', '3', '4', '5', '6', '7']
						}
					);
					
					const cvaLayer = new T.TileLayer(
						`https://t{s}.tianditu.gov.cn/cva_c/wmts?tk=9bcf63358817bfb878e8236de8bf1423`, {
							subdomains: ['0', '1', '2', '3', '4', '5', '6', '7']
						}
					);
					
					mapInstance.addLayer(vecLayer);
					mapInstance.addLayer(cvaLayer);
					mapInstance.addControl(new T.Control.Zoom());
					
					// 添加点击事件
					mapInstance.addEventListener('click', (e) => {
						this.handleMapClick(e);
					});
					
					this.mapLoaded = true;
					console.log('【RenderJS】地图初始化完成');
					
				} catch (error) {
					console.error('【RenderJS】地图初始化失败:', error);
				}
			},
			
			// 加载天地图API
			loadTiandituAPI() {
				return new Promise((resolve, reject) => {
					if (window.T && window.T.Map) {
						resolve();
						return;
					}
					
					const script = document.createElement('script');
					script.src = 'https://api.tianditu.gov.cn/api?v=4.0&tk=9bcf63358817bfb878e8236de8bf1423';
					
					script.onload = () => {
						// 等待T对象初始化
						const checkInterval = setInterval(() => {
							if (window.T && window.T.Map) {
								clearInterval(checkInterval);
								resolve();
							}
						}, 100);
						
						setTimeout(() => {
							clearInterval(checkInterval);
							reject(new Error('T对象初始化超时'));
						}, 5000);
					};
					
					script.onerror = reject;
					document.head.appendChild(script);
				});
			},
			
			handleMapClick(e) {
				if (!this.mapLoaded) return;
				
				const lng = e.lnglat.lng;
				const lat = e.lnglat.lat;
				
				const mapData = {
					lng: lng,
					lat: lat,
					address: '点击位置'
				};
				
				this.updateMapWithMarker(mapData);
				
				// 通知Vue组件
				this.sendToVue('onMapClick', {
					lng: lng,
					lat: lat
				});
			},
			
			// 向Vue发送消息
			sendToVue(method, data) {
				try {
					if (this.$ownerInstance && this.$ownerInstance.callMethod) {
						this.$ownerInstance.callMethod(method, data);
					}
				} catch (error) {
					console.error('发送消息到Vue失败:', error);
				}
			},
			
			cleanupMap() {
				this.clearMarkers();
				if (mapInstance) {
					try {
						mapInstance.destroy();
					} catch (e) {}
					mapInstance = null;
				}
				this.mapLoaded = false;
			}
		},
		mounted() {
			console.log('【RenderJS】模块挂载');
			
			// 延迟初始化
			setTimeout(() => {
				this.initMap();
			}, 500);
		},
		beforeDestroy() {
			console.log('【RenderJS】模块销毁');
			this.cleanupMap();
		}
	};
</script>

<style scoped lang="scss">
	.top {
		width: 100%;
		height: var(--status-bar-height);
		background: linear-gradient(87deg, #FFFFFF 0%, #A3CDFF 100%), linear-gradient(360deg, #FFFFFF 0%, rgba(255, 255, 255, 0) 100%);
	}

	.head {
		width: 100%;
		background: #ffffff;

		.handle {
			height: 112rpx;
			display: flex;
			justify-content: space-between;
			align-items: center;
			padding: 0px 24rpx;
			position: relative;

			.head_left {
				font-size: 40rpx;
			}

			.center {
				position: absolute;
				left: 50%;
				top: 50%;
				transform: translate(-50%, -50%);
				font-size: 30rpx;
				font-weight: 600;
			}
		}
	}

	.container {
		width: 100%;
		height: 100vh;
		display: flex;
		flex-direction: column;
		position: relative;
	}

	.map-container {
		width: 100%;
		height: 300px;
		background-color: #f8f8f8;
		position: relative;
	}

	.search-panel {
		margin-top: 20rpx;
		padding: 20rpx;
		background-color: #f8f9fa;
		border-radius: 8rpx;
		flex: 1;
		display: flex;
		flex-direction: column;
	}

	.search-input-group {
		display: flex;
		gap: 10rpx;
		margin-bottom: 20rpx;
	}

	.search-input {
		flex: 1;
		height: 70rpx;
		padding: 0 20rpx;
		border: 1px solid #ddd;
		border-radius: 8rpx;
		background-color: white;
		font-size: 28rpx;
	}

	.search-btn {
		height: 70rpx;
		padding: 0 20rpx;
		background-color: #1890ff;
		color: white;
		border-radius: 8rpx;
		display: flex;
		align-items: center;
		justify-content: center;
		font-size: 28rpx;
		border: none;
	}

	.search-results {
		border: 1px solid #e8e8e8;
		border-radius: 8rpx;
		flex: 1;
		background-color: white;
	}

	.result-header {
		display: flex;
		justify-content: space-between;
		align-items: center;
		padding: 20rpx;
		border-bottom: 1px solid #f0f0f0;
		font-weight: bold;
		font-size: 28rpx;
	}

	.clear-results {
		color: #1890ff;
		font-size: 24rpx;
	}

	.results-list {
		max-height: 700rpx;
	}

	.result-item {
		padding: 20rpx;
		border-bottom: 1px solid #f5f5f5;
		cursor: pointer;
		display: flex;
		justify-content: space-between;
		align-items: center;
		
		&.selected {
			background-color: #e6f7ff;
			border-left: 4rpx solid #1890ff;
		}
		
		.left {
			flex: 1;
			margin-right: 20rpx;
		}
		
		.manage {
			width: 100rpx;
			height: 50rpx;
			display: flex;
			align-items: center;
			justify-content: center;
			background-color: #1890ff;
			border-radius: 10rpx;
			color: #FFFFFF;
			font-size: 24rpx;
		}
	}
	
	.result-item.selected .manage {
		background-color: #52c41a;
	}

	.result-name {
		font-weight: bold;
		margin-bottom: 5rpx;
		color: #333;
		font-size: 28rpx;
	}

	.result-address {
		font-size: 24rpx;
		color: #666;
	}
</style>