根据query 条件删除索引:
http://localhost:8983/solr/update?stream.body=<delete><query>id:6113 AND dataType:"food"</query></delete>&commit=true.
新增索引:
http://localhost:8983/solr/update?stream.body=<add><doc><field name="id">6113</field><field name="name">测试1</field><field name="area">测试2</field><field name="circle">测试3</field><field name="type">测试4</field><field name="dataType">food</field></doc></add>&commit=true