MongoDB附近（商家）查询
一数据结构uselbs;db.lbs.insert({loc:{type:"Point",coordinates:[113.332264,23.156206]},name:"aaaaaa"})db.lbs.insert({loc:{type:"Point",coordinates:[113.330611,23.147234]},name:"bbbbb"})db.lbs.insert({loc:{type:"Point
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