Mongodb查询条件Or和"And"
如在集合XX中寻找名字为BuleRiver或者BuleRiver2的信息:
db.XXX.find({"$or":[{"name":"BuleRiver"}, {"name":"BuleRiver2"}]});
如果是AND关系的话,直接用逗号隔开
db.XXX.find({"name":"BuleRiver", "level":1});
如在集合XX中寻找名字为BuleRiver或者BuleRiver2的信息:
db.XXX.find({"$or":[{"name":"BuleRiver"}, {"name":"BuleRiver2"}]});
如果是AND关系的话,直接用逗号隔开
db.XXX.find({"name":"BuleRiver", "level":1});
                
            
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