var map = new AMap.Map("container", {
        resizeEnable: true
    });
 var geocoder = new AMap.Geocoder({
        city: "02", //设置城市
        radius: 1000 //范围
    });
    var marker = new AMap.Marker();

  function regeoCode() {
        var lnglat  = document.getElementById('lnglat').value.split(',');
        map.add(marker);
        marker.setPosition(lnglat); 
        geocoder.getAddress(lnglat, function(status, result) {
            if (status === 'complete'&&result.regeocode) {
                var address = result.regeocode.formattedAddress;
                document.getElementById('address').value = address;
            }else{
                log.error('查询失败')
            }
        });
    }