Solr 6.7学习笔记（06）

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<searchComponent name="spellcheck">　　

　　<str name="queryAnalyzerFieldType">text_general</str>
　　<lst name="spellchecker">
　　<str name="name">default</str>
　　<str name="field">text</str>
　　<str name="classname">solr.DirectSolrSpellChecker</str>
　　<!-- the spellcheck distance measure used, the default is the internal levenshtein -->
　　<str name="distanceMeasure">internal</str>
　　<!-- minimum accuracy needed to be considered a valid spellcheck suggestion -->
　　<float name="accuracy">0.5</float>
　　<!-- the maximum #edits we consider when enumerating terms: can be 1 or 2 -->
　　<int name="maxEdits">2</int>
　　<!-- the minimum shared prefix when enumerating terms -->
　　<int name="minPrefix">1</int>
　　<!-- maximum number of inspections per result. -->
　　<int name="maxInspections">5</int>
　　<!-- minimum length of a query term to be considered for correction -->
　　<int name="minQueryLength">4</int>
　　<!-- maximum threshold of documents a query term can appear to be considered for correction -->
　　<float name="maxQueryFrequency">0.01</float>
　　<!-- uncomment this to require suggestions to occur in 1% of the documents
　　<float name="thresholdTokenFrequency">.01</float>
　　-->
　　</lst>
　　<!-- a spellchecker that can break or combine words.  See "/spell" handler below for usage -->
　　<lst name="spellchecker">
　　<str name="name">wordbreak</str>
　　<str name="classname">solr.WordBreakSolrSpellChecker</str>      
　　<str name="field">name</str>
　　<str name="combineWords">true</str>
　　<str name="breakWords">true</str>
　　<int name="maxChanges">10</int>
　　</lst>
　　</searchComponent>
　　<!-- spellcheck component 的使用示例.  
　　

　　NOTE: 这纯粹是一个例子.  此处把 SpellCheckComponent 嵌入到 request handler 中是为了
　　不需要多加一次spellcheck的请求
　　See http://wiki.apache.org/solr/SpellCheckComponent for details
　　on the request parameters.
　　-->
　　<requestHandler name="/spell" startup="lazy">
　　<lst name="defaults">
　　<!-- Solr will use suggestions from both the 'default' spellchecker
　　and from the 'wordbreak' spellchecker and combine them.
　　collations (re-written queries) can include a combination of
　　corrections from both spellcheckers -->
　　<str name="spellcheck.dictionary">default</str>
　　<str name="spellcheck.dictionary">wordbreak</str>
　　<str name="spellcheck">on</str>
　　<str name="spellcheck.extendedResults">true</str>      
　　<str name="spellcheck.count">10</str>
　　<str name="spellcheck.alternativeTermCount">5</str>
　　<str name="spellcheck.maxResultsForSuggest">5</str>      
　　<str name="spellcheck.collate">true</str>
　　<str name="spellcheck.collateExtendedResults">true</str>  
　　<str name="spellcheck.maxCollationTries">10</str>
　　<str name="spellcheck.maxCollations">5</str>         
　　</lst>
　　<arr name="last-components">
　　<str>spellcheck</str>
　　</arr>
　　</requestHandler>