(PECL solr >= 0.9.2)
SolrDocument::sort — 对文档中的字段进行排序
The fields are rearranged according to the specified criteria and sort direction Fields can be sorted by boost values, field names and number of values. The sortOrderBy parameter must be one of : * SolrDocument::SORT_FIELD_NAME * SolrDocument::SORT_FIELD_BOOST_VALUE * SolrDocument::SORT_FIELD_VALUE_COUNT The sortDirection can be one of : * SolrDocument::SORT_DEFAULT * SolrDocument::SORT_ASC * SolrDocument::SORT_DESC The default way is to sort in ascending order.
sortOrderBy排序标准。
sortDirection排序方向。