{"id":3552,"date":"2018-12-13T14:41:18","date_gmt":"2018-12-13T06:41:18","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=3552"},"modified":"2018-12-13T14:41:18","modified_gmt":"2018-12-13T06:41:18","slug":"lucene-%e5%ae%9e%e6%88%98%e6%95%99%e7%a8%8b%e7%ac%ac%e5%8d%81%e4%b8%89%e7%ab%a0%e7%a6%81%e7%94%a8%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%af%a2-fuzzyquery-%e5%92%8c%e9%80%9a%e9%85%8d%e7%ac%a6%e6%9f%a5%e8%af%a2","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=3552","title":{"rendered":"Lucene \u5b9e\u6218\u6559\u7a0b\u7b2c\u5341\u4e09\u7ae0\u7981\u7528\u6a21\u7cca\u67e5\u8be2 FuzzyQuery \u548c\u901a\u914d\u7b26\u67e5\u8be2 WildcardQuery"},"content":{"rendered":"<p>\n\t\u5728\u67d0\u4e9b\u9700\u6c42\u573a\u666f\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u7981\u7528\u6a21\u7cca\u67e5\u8be2 FuzzyQuery \u548c\u901a\u914d\u7b26\u67e5\u8be2 WildcardQuery\uff0c\u90a3\u901a\u8fc7 QueryParser \u8be5\u600e\u4e48\u505a\u5462\uff1f\n<\/p>\n<p>\n\t\u7b54\u6848\u5c31\u662f\u91cd\u5199 QueryParser \u7c7b\u3002\u5b9e\u73b0\u81ea\u5df1\u7684 QueryParser \u7c7b\uff0c\u5e76\u5c06 getFuzzyQuery \u65b9\u6cd5\u548c getWildcardQuery \u65b9\u6cd5\u91cd\u5199\uff0c\u629b\u51fa\u7981\u7528\u7684\u5f02\u5e38\u5373\u53ef\u3002\n<\/p>\n<p>\n\t\u524d\u9762\u6211\u4eec\u8bf4\u8fc7 FuzzyQuery \u7c7b\u53ef\u4ee5\u5b9e\u73b0\u641c\u7d22\u7c7b\u4f3c\u9879\u7684\u9700\u6c42\uff0cWildcardQuery \u7c7b\u652f\u6301\u901a\u914d\u7b26\u67e5\u8be2\u3002\n<\/p>\n<pre class=\"brush:java;\">\r\n@Test\r\npublic void testFuzzyQuery() throws IOException, ParseException {\r\n    \/\/\u6ce8\u610f\u662f\u533a\u5206\u5927\u5c0f\u5199\u7684\uff0c\u540c\u65f6\u9ed8\u8ba4\u7684\u7f16\u8f91\u8ddd\u79bb\u7684\u503c\u662f2\r\n    \/\/\u6ce8\u610f\u4e24\u4e2aTerm\u4e4b\u95f4\u7684\u7f16\u8f91\u8ddd\u79bb\u5fc5\u987b\u5c0f\u4e8e\u4e24\u8005\u4e2d\u6700\u5c0f\u8005\u7684\u957f\u5ea6\uff1athe edit distance between the terms must be less than the minimum length term\r\n    Query query = new FuzzyQuery(new Term(&quot;city&quot;, &quot;Veni&quot;));\r\n    IndexSearcher indexSearcher = new IndexSearcher(DirectoryReader.open(directory));\r\n    TopDocs search = indexSearcher.search(query, 10);\r\n    Assert.assertEquals(1, search.totalHits);\r\n}\r\n@Test\r\npublic void testWildcardQuery() throws IOException {\r\n    \/\/*\u4ee3\u88680\u4e2a\u6216\u8005\u591a\u4e2a\u5b57\u6bcd\r\n    Query query = new WildcardQuery(new Term(&quot;content&quot;, &quot;*dam&quot;));\r\n    IndexSearcher indexSearcher = new IndexSearcher(DirectoryReader.open(directory));\r\n    TopDocs search = indexSearcher.search(query, 10);\r\n    Assert.assertEquals(1, search.totalHits);\r\n    \/\/?\u4ee3\u88680\u4e2a\u6216\u80051\u4e2a\u5b57\u6bcd\r\n    query = new WildcardQuery(new Term(&quot;content&quot;, &quot;?ridges&quot;));\r\n    search = indexSearcher.search(query, 10);\r\n    Assert.assertEquals(2, search.totalHits);\r\n    query = new WildcardQuery(new Term(&quot;content&quot;, &quot;b*s&quot;));\r\n    search = indexSearcher.search(query, 10);\r\n    Assert.assertEquals(2, search.totalHits);\r\n}<\/pre>\n<p>\n\t\u5982\u679c\u6211\u73b0\u5728\u8981\u7981\u7528\u5b83\u4eec\uff0c\u90a3\u4e48\u53ea\u9700\u8981\u6309\u7167\u4e0b\u9762\u7684\u65b9\u6cd5\u91cd\u5199 getWildcardQuery \u548c getFuzzyQuery \u65b9\u6cd5\u5373\u53ef\u3002\n<\/p>\n<pre class=\"brush:java;\">\r\nimport org.apache.lucene.analysis.Analyzer;\r\nimport org.apache.lucene.analysis.core.WhitespaceAnalyzer;\r\nimport org.apache.lucene.queryparser.classic.ParseException;\r\nimport org.apache.lucene.queryparser.classic.QueryParser;\r\nimport org.apache.lucene.search.Query;\r\n\/**\r\n * Description:\u7981\u7528\u6a21\u7cca\u67e5\u8be2\u548c\u901a\u914d\u7b26\u67e5\u8be2\uff0c\u540c\u6837\u7684\u5982\u679c\u5e0c\u671b\u7981\u7528\u5176\u5b83\u7c7b\u578b\u67e5\u8be2\uff0c\u53ea\u9700\u8981\u8986\u5199\u5bf9\u5e94\u7684getXXXQuery\u65b9\u6cd5\u5373\u53ef\r\n *\/\r\npublic class CustomQueryParser extends QueryParser {\r\n    public CustomQueryParser(String f, Analyzer a) {\r\n        super(f, a);\r\n    }\r\n    @Override\r\n    protected Query getFuzzyQuery(String field, String termStr, float minSimilarity) throws ParseException {\r\n        throw new ParseException(&quot;Fuzzy queries not allowed!&quot;);\r\n    }\r\n    @Override\r\n    protected Query getWildcardQuery(String field, String termStr) throws ParseException {\r\n        throw new ParseException(&quot;Wildcard queries not allowed!&quot;);\r\n    }\r\n    public static void main(String args[]) throws ParseException {\r\n        CustomQueryParser customQueryParser = new CustomQueryParser(&quot;filed&quot;, new WhitespaceAnalyzer());\r\n        customQueryParser.parse(&quot;a?t&quot;);\r\n        customQueryParser.parse(&quot;junit~&quot;);\r\n    }\r\n}<\/pre>\n<p>\n\t\u8fd9\u6837\u5c31\u53ef\u4ee5\u8fbe\u5230\u7981\u7528\u6a21\u7cca\u67e5\u8be2\u548c\u901a\u914d\u7b26\u67e5\u8be2\u7684\u529f\u80fd\u4e86\u3002<\/p>\n<!-- <audio autoplay=\"autoplay\" height=\"100\" width=\"100\" hidden=\"true\"><source src=\"https:\/\/c.coka.la\/orAvPR.mp3\" type=\"audio\/mp3\"\/><\/audio><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/ws3.sinaimg.cn\/large\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/> --><p><!-- <img decoding=\"async\" src=\"https:\/\/raw.githubusercontent.com\/xmt1139057136\/xttblog\/master\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/>--><img decoding=\"async\" src=\"https:\/\/saas.51autoparts.cn\/api\/admin\/sys-file\/oss\/file?fileName=84db51f8561e448f9a4fda2eff0811f9.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/><\/p><p>\u6700\u540e\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4e1a\u4f59\u8349\uff08yyucao\uff09\uff01<b>\u53ef\u52a0\u4f5c\u8005\u5fae\u4fe1\u53f7\uff1a<font color=\"red\">xttblog2<\/font>\u3002\u5907\u6ce8\uff1a\u201c1\u201d\uff0c\u6dfb\u52a0\u535a\u4e3b\u5fae\u4fe1\u62c9\u4f60\u8fdb\u5fae\u4fe1\u7fa4\u3002\u5907\u6ce8\u9519\u8bef\u4e0d\u4f1a\u540c\u610f\u597d\u53cb\u7533\u8bf7\u3002<\/b>\u518d\u6b21\u611f\u8c22\u60a8\u7684\u5173\u6ce8\uff01\u540e\u7eed\u6709\u7cbe\u5f69\u5185\u5bb9\u4f1a\u7b2c\u4e00\u65f6\u95f4\u53d1\u7ed9\u60a8\uff01\u539f\u521b\u6587\u7ae0\u6295\u7a3f\u8bf7\u53d1\u9001\u81f3532009913@qq.com\u90ae\u7bb1\u3002\u5546\u52a1\u5408\u4f5c\u4e5f\u53ef\u6dfb\u52a0\u4f5c\u8005\u5fae\u4fe1\u8fdb\u884c\u8054\u7cfb\uff01<\/p><p>\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a<a href=\"https:\/\/www.xttblog.com\">\u4e1a\u4f59\u8349<\/a>\uff1a &raquo; <a href=\"https:\/\/www.xttblog.com\/?p=3552\">Lucene \u5b9e\u6218\u6559\u7a0b\u7b2c\u5341\u4e09\u7ae0\u7981\u7528\u6a21\u7cca\u67e5\u8be2 FuzzyQuery \u548c\u901a\u914d\u7b26\u67e5\u8be2 WildcardQuery<\/a><\/p><!-- <div class=\"bd-reward-stl\"><button id=\"bdRewardBtn\"><span><\/span><\/button><\/div> -->","protected":false},"excerpt":{"rendered":"<p>\u5728\u67d0\u4e9b\u9700\u6c42\u573a\u666f\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u7981\u7528\u6a21\u7cca\u67e5\u8be2 FuzzyQuery \u548c\u901a\u914d\u7b26\u67e5\u8be2 WildcardQuery\uff0c\u90a3 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[1454,1819,1444,1818,1820],"class_list":["post-3552","post","type-post","status-publish","format-standard","hentry","category-java","tag-analyzer","tag-fuzzyquery","tag-lucene","tag-queryparser","tag-wildcardquery"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/3552","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3552"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/3552\/revisions"}],"predecessor-version":[{"id":3553,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/3552\/revisions\/3553"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}