> db.OrderLog201512.find({},{"_id":0}).sort({"_id":-1}).limit(1) { "oid" : 2920814, "orderno" : "b2015122502023687966", "operateurl" : "www.aok1615.com 121.52.215.215;", "remark" : "创建订单。允许换pnr:ke77tm,订单状态:0。pnrinfo: o|p|ke77tm^f^ncj244|2016-02-09|szx|深圳|dax|达县(达州)|ca4365^n||14:50|17:20|y|||1360|50|1|****@|,|06078224@|1360||50|0|0$", "operateip" : "14.152.94.24", "createtime" : "2015/12/25 17:49:55", "username" : "guotong2011", "statustype" : "" } ---格式化显示方法1: > db.OrderLog201512.find({},{"_id":0}).sort({"_id":-1}).limit(1).pretty() { "oid" : 2920814, "orderno" : "b2015122502023687966", "operateurl" : "www.aok1615.com 121.52.215.215;", "remark" : "创建订单。允许换pnr:ke77tm,订单状态:0。pnrinfo:o|p|ke77tm^f^ncj244|2016-02-09|szx|深圳|dax|达县(达州)|ca4365^n||14:50|17:20|y|||1360|50|1| ****@|,|06078224@|1360||50|0|0$", "operateip" : "14.152.94.24", "createtime" : "2015/12/25 17:49:55", "username" : "guotong2011", "statustype" : "" } > db.OrderLog201512.find({},{"_id":0}).sort({"_id":-1}).limit(1).forEach(printjson) { "oid" : 2920814, "orderno" : "b2015122502023687966", "operateurl" : "www.aok1615.com 121.52.215.215;", "remark" : "创建订单。允许换pnr:ke77tm,订单状态:0。pnrinfo:o|p|ke77tm^f^ncj244|2016-02-09|szx|深圳|dax|达县(达州)|ca4365^n||14:50|17:20|y|||1360|50|1| ****@|,|06078224@|1360||50|0|0$", "operateip" : "14.152.94.24", "createtime" : "2015/12/25 17:49:55", "username" : "guotong2011", "statustype" : "" } ----方法2:启动客户端的时候mongo会自动先加载这些内容 echo "DBQuery.prototype._prettyShell = true" >> ~/.mongorc.js > db.OrderLog201512.find({},{"_id":0}).sort({"_id":-1}).limit(1) { "oid" : 2920814, "orderno" : "b2015122502023687966", "operateurl" : "www.aok1615.com 121.52.215.215;", "remark" : "创建订单。允许换pnr:ke77tm,订单状态:0。pnrinfo:o|p|ke77tm^f^ncj244|2016-02-09|szx|深圳|dax|达县(达州)|ca4365^n||14:50|17:20|y|||1360|50|1| ****@|,|06078224@|1360||50|0|0$", "operateip" : "14.152.94.24", "createtime" : "2015/12/25 17:49:55", "username" : "guotong2011", "statustype" : "" }