129 lines
4.4 KiB
JavaScript
129 lines
4.4 KiB
JavaScript
const app = getApp()
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const db = wx.cloud.database()
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Page({
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data: {
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roomId: '',
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center: { latitude: 39.9, longitude: 116.4 },
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markers: [],
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recommendations: [],
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scale: 13,
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selectedIndex: -1 // 当前选中的索引
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},
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onLoad: function (options) {
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this.setData({ roomId: options.roomId })
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this.fetchResult()
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},
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async fetchResult() {
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wx.showLoading({ title: '加载结果...' })
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try {
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const res = await db.collection('rooms').doc(this.data.roomId).get()
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const data = res.data
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if (data && data.result && data.result.success) {
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const result = data.result
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const center = result.center
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const recommendations = result.recommendations || []
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// 构建 Markers
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const markers = []
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// 中心点 Marker
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markers.push({
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id: 0,
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latitude: center.lat,
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longitude: center.lng,
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iconPath: '',
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width: 0,
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height: 0,
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callout: {
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content: '最佳中心点',
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display: 'ALWAYS',
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padding: 8,
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borderRadius: 4,
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bgColor: '#FF6B6B',
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color: '#FFFFFF',
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fontSize: 12
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}
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})
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// 推荐点 Markers
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recommendations.forEach((place, index) => {
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markers.push({
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id: index + 1, // ID 从 1 开始
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latitude: place.location.lat,
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longitude: place.location.lng,
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iconPath: '',
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width: 0,
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height: 0,
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callout: {
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content: `${index + 1}`, // 默认只显示序号
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display: 'ALWAYS',
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padding: 6,
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borderRadius: 4,
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bgColor: '#4CAF50',
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color: '#FFFFFF',
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fontSize: 11
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}
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})
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})
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this.setData({
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center: { latitude: center.lat, longitude: center.lng },
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recommendations: recommendations,
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markers: markers
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})
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} else {
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wx.showToast({ title: '暂无结果', icon: 'none' })
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}
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wx.hideLoading()
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} catch (err) {
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console.error(err)
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wx.hideLoading()
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wx.showToast({ title: '加载失败', icon: 'none' })
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}
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},
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onListTap(e) {
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const index = e.currentTarget.dataset.index
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const place = this.data.recommendations[index]
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// 如果点击已选中的，取消选中
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const newSelectedIndex = this.data.selectedIndex === index ? -1 : index
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// 更新选中状态
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this.setData({ selectedIndex: newSelectedIndex })
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// 更新地图标记的 callout
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const markers = this.data.markers
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markers.forEach((marker, markerIndex) => {
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if (marker.id > 0) { // 推荐点 Marker（ID 从 1 开始）
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const placeIndex = marker.id - 1
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if (newSelectedIndex === placeIndex) {
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// 选中的地点显示名称
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markers[markerIndex].callout.content = `${index + 1}. ${place.name}`
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markers[markerIndex].callout.bgColor = '#FF6B6B' // 红色背景
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markers[markerIndex].callout.fontSize = 12
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} else {
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// 未选中的地点只显示序号
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markers[markerIndex].callout.content = `${placeIndex + 1}`
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markers[markerIndex].callout.bgColor = '#4CAF50' // 绿色背景
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markers[markerIndex].callout.fontSize = 11
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}
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}
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})
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// 更新 markers 数据
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this.setData({ markers })
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// 移动地图到选中地点
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if (newSelectedIndex >= 0) {
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this.setData({
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center: { latitude: place.location.lat, longitude: place.location.lng }
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})
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}
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}
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})
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