删除2015-12-20 00:00之前的索引


http://192.168.1.100:18080/solr/log/update/?stream.body=%3Cdelete%3E%3Cquery%3El_Created:[0 TO 1450540800]%3C/query%3E%3C/delete%3E&stream.contentType=text/xml;charset=utf-8&commit=true

注:  http://192.168.1.100:18080/solr/log  为solr的log索引路径
      l_Created  l_Created 为solr日志索引字段ID,根据实际情况而定
      0 TO 1450540800  为 0到2015-12-20 00:00之前。
      1450540800  为 2015-12-20 00:00 时间戳