转自原文arcgis for javascript 添加featurelayer,设置地图最大最小等级 var map; var livingCenter; var livingCenterUrl = "http://172.31.170.98:6080/arcgis/rest/services/livingcenter/FeatureServer/0"; var featureLayer; var featureLayerUrl = "http://172.31.170.9
原文出处:http://www.phpernote.com/MySQL/1120.html 查看表结构: desc tabl_name; show columns fromtable_name: 常用的通过mysql命令来更改表结构的一些sql语句,包括添加.删除.修改字段.调整字段顺序. 添加字段: alter table `user_movement_log` Add column GatewayId int not null default 0 AFTER `Regionid`; (在哪个