定位信息缓存

take-order/pages/photo/take.vue

@@ -45,7 +45,8 @@
 		// ak: "rpVq5d3yxaRCoKzVwmFMo0o4iC524CAG",
 		ak: "lF1HoyXdiv4uZx6TrGQEZs48F5y8kEHI"
 	});
-	import standard from '@/components/photo/standard.vue'
+	import standard from '@/components/photo/standard.vue'
+	import cache from '../../common/cache.js'
 	export default {
 		components: {
 			'photo-standard': standard,
@@ -95,7 +96,17 @@
 			getApp().trackPage('拍照页')
 			// this.ctx = uni.createCameraContext();
 			this.updateTime()
-			this.getLocation()
+
+			const locationData = cache.getCache('locationData')
+			const validityTime = 60000 
+			if (Date.now() - locationData.locationTime < validityTime) { // 1分钟内不重复请求位置信息
+				this.waterInfo.latitude = locationData.waterInfo.latitude
+				this.waterInfo.longitude = locationData.waterInfo.longitude
+				this.baiduLocation()
+			} else {
+				this.getLocation()
+			}
+			
 			this.getMarkPath()
 
 			this.initData()
@@ -256,8 +267,16 @@
 					type: 'gcj02',
 					success: function(res) {
 						waterInfo.longitude = parseFloat(res.longitude).toFixed(4)
-						waterInfo.latitude = parseFloat(res.latitude).toFixed(3)
-						// console.log(waterInfo.longitude, 'that.longitude', waterInfo.latitude, 'that.latitude')
+						waterInfo.latitude = parseFloat(res.latitude).toFixed(3)
+						
+						const data = {
+							waterInfo: {
+								latitude: waterInfo.latitude,
+								longitude: waterInfo.longitude
+							},
+							locationTime: Date.now()
+						}
+						cache.setCache('locationData', data)
 						that.baiduLocation()
 					},
 					fail(err) {