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                            ## Mongodb 查詢指定時間范圍的數據
mongodb里比較運算符，用 "$gt" 、"$gte"、 "$lt"、 "$lte"、"$ne"（分別對應">"、 ">=" 、"<" 、"<="、"!="）
- 查詢一天的數據
>db.getCollection('ec').find({"出票時間" : {'$gte' : '2018-11-01 00:00:00', '$lt' : '2018-11-01 23:59:00'}}).count()
>db.getCollection('ec').find({"出票時間" : {'$gte' : '2018-12-08 00:00', '$lt' : '2018-12-09 00:00'}}).count()
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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