[笔记] 百度定位，地址变更提醒

//-----------------定位 Start----------------  
        mui.plusReady(function() {  
            var localtitle = document.getElementById("local");  
            var db_lo = plus.storage.getItem("local")  
            if (db_lo == null) {  
                try {  
                    plus.nativeUI.showWaiting("首次登录，正在定位...", {  
                        padlock: false  
                    });  
                    plus.geolocation.getCurrentPosition(function(position) {  
                        var codns = position.coords; //获取地理坐标信息；  
                        var geoc = new BMap.Geocoder();  
                        var pt = new BMap.Point(codns.longitude, codns.latitude);  
                        geoc.getLocation(pt, function(rs) {  
                            var addComp = rs.addressComponents;  
                            var lo = addComp.city + "," + addComp.district + "," + addComp.street + "," + addComp.streetNumber;  
                            localtitle.innerHTML = addComp.district;  
                            plus.storage.setItem("local", addComp.district);  
                            console.log(lo);  
                            plus.nativeUI.closeWaiting();  
                        });  
                    }, function(e) {  
                        alert("获取定位位置信息失败：" + e.message);  
                        plus.nativeUI.closeWaiting();  
                    }, {  
                        provider: 'baidu'  
                    });  
                } catch (e) {  
                    alert(e.message);  
                    plus.nativeUI.closeWaiting();  
                }  
            } else {  
                localtitle.innerHTML = db_lo;  
                plus.geolocation.getCurrentPosition(function(position) {  
                    var codns = position.coords; //获取地理坐标信息；  
                    var geoc = new BMap.Geocoder();  
                    var pt = new BMap.Point(codns.longitude, codns.latitude);  
                    geoc.getLocation(pt, function(rs) {  
                        var addComp = rs.addressComponents;  
                        if (addComp.district != db_lo) {  
                            mui.confirm('发现地址变化，当前为：' + addComp.district + '\r\n是否切换？', '位置变更', ['是', '否'], function(e) {  
                                if (e.index == 0) {  
                                    plus.storage.setItem("local", addComp.district);  
                                    localtitle.innerHTML = addComp.district;  
                                }  
                            })  
                        }  
                    })  
                });  
            }  
        });  
         //-----------------定位 End----------------