Solr 删除全部索引：http://localhost:8080/solr/update/?stream.body=<delete><query>*:*</query></delete>&stream.contentType=text/xml;charset=utf-8&commit=true
Solr 查询索引记录：http://localhost:8080/solr/select/?q=%E5%85%A8%E6%96%87&version=2.2&start=0&rows=10&indent=on