完善定位功能

store/modules/app.js

@@ -47,7 +47,11 @@ const mutations = {
 	SETCONFIG(state, data) {
 		state.config = Object.assign(state.config, data)
 		Cache.set(CONFIG, state.config);
-	}
+	},
+	
+	SETSYSTEMINFO(state, data) {
+		state.sysInfo = data
+	},
 };
 
 const actions = {
@@ -82,6 +86,34 @@ const actions = {
 			})
 		})
 	},
+	
+	getSystemInfo({
+		state,
+		commit
+	}) {
+		uni.getSystemInfo({
+			success: res => {
+				let {
+					statusBarHeight,
+					platform,
+				} = res;
+				let navHeight;
+				if (platform == 'ios' || platform == 'devtools') {
+					navHeight = statusBarHeight + 44;
+				} else {
+					navHeight = statusBarHeight + 48;
+				}
+				commit('SETSYSTEMINFO', {
+					...res,
+					navHeight,
+				})
+				console.log(state)
+			},
+			fail(err) {
+				console.log(err);
+			}
+		});
+	},
 };
 
 export default {