如何在Java中對(duì)MongoDB按日期進(jìn)行查詢統(tǒng)計(jì)
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方法一：通過(guò)構(gòu)造BasicDBObject對(duì)象來(lái)進(jìn)行查詢 [java] view plain copy int startYear=2015,endYear=2016; int startMonth=12,endMonth=1; int startDay=1,endDay=1; BasicDBObject query= new BasicDBObject("applydate", new BasicDBObject("$gte", new Date(startYear - 1900, startMonth - 1, startDay)).append("$lt", new Date(endYear - 1900, endMonth -1, endDay)));//因?yàn)闊o(wú)法確知當(dāng)前月有多少天，所以就從當(dāng)月的1號(hào)(包含)計(jì)到下月1號(hào)(不包含) int iCount = clt
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