首先，OpenLayers . Protocol .SQL . gears类必须被实例化并被给定一个数据库和表名。

First, the OpenLayers.Protocol.SQL.Gears class must be instantiated and given a database and table name.

youdao

首先，OpenLayers . Protocol .SQL . gears类必须被实例化并被给定一个数据库和表名。

First, the OpenLayers.Protocol.SQL.Gears class must be instantiated and given a database and table name.

youdao