solr5.3的spellcheck功能

1.增加schema.xml中的检查字段。

<field name="title" type="text_cn" indexed="true" stored="true" required="false" multiValued="false" />

<fieldType name="text_cn" class="solr.TextField">
        <analyzer type="index">
            <!--使用HanLP分析器进行分词 -->
            <tokenizer class="com.hankcs.lucene.HanLPTokenizerFactory" mode="max-word"/>
            <!-- 将分词结果同时转换为拼音 -->
            <filter  class="com.shentong.search.analyzers.PinyinTransformTokenFilterFactory"  minTermLenght="2" />
             <filter    class="com.shentong.search.analyzers.PinyinNGramTokenFilterFactory"    minGram="6" maxGram="20" />
        </analyzer>
        <analyzer type="query">
            <tokenizer class="com.hankcs.lucene.HanLPTokenizerFactory" mode="max-word"/>
            <filter class="com.hankcs.lucene.analysis.synonym.SynonymFilterFactory"  synonyms="synonyms.txt" ignoreCase="true" expand="true" format="word2vec"/>
            <filter  class="com.shentong.search.analyzers.PinyinTransformTokenFilterFactory"  minTermLenght="2" />
            <filter    class="com.shentong.search.analyzers.PinyinNGramTokenFilterFactory"    minGram="6" maxGram="20" />
        </analyzer>
    </fieldType>

2.修改solrconfig.xml内容：

<searchComponent name="spellcheck" class="solr.SpellCheckComponent">
    <!--<str name="queryAnalyzerFieldType">text_cn</str>  -->
    <!-- a spellchecker built from a field of the main index   -->
    <lst name="spellchecker">
        <str name="name">default</str>
        <!--这里指明需要根据哪个字段的索引为依据进行拼写检查。现配置 名为 spell 的字段-->
        <str name="field">title</str>
        <str name="classname">solr.DirectSolrSpellChecker</str>
        <str name="distanceMeasure">internal</str>
        <float name="accuracy">0.5</float>
        <int name="maxEdits">2</int>
        <int name="minPrefix">1</int>
        <int name="maxInspections">5</int>
        <int name="minQueryLength">2</int>
        <float name="maxQueryFrequency">0.01</float>
    </lst>
  </searchComponent>
  <requestHandler name="/spell" class="solr.SearchHandler" startup="lazy">
    <!--默认参数-->
    <lst name="defaults">
      <str name="df">title</str>
      <str name="spellcheck.dictionary">default</str>
      <str name="spellcheck">true</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>

3.重新创建索引使其生效.

PS:参考了另一位博主的文章http://blog.csdn.net/kevinxxw/article/details/49708311 用的分词器不一样，另外增加了针对拼音的智能纠错