1、中文搜索、英文搜索、中英混搜 如：“紫光股份”，“紫光gufen”
2、全拼搜索、首字母搜索、中文+全拼、中文+首字母混搜 如：“ziguanggufen”，“紫光gufen”，“南京gf”，“zggf”，“ziguanggf”等等组合
3、简繁搜索
4.关键字开头
首先安装pinyin插件、ik插件、stconvert插件。
Elasticsearch插件（二）：pinyin分词
Elasticsearch插件（三）：stconvert
索引模版示例：
PUT _template/lxc
{
"index_patterns": "lxc*",
"settings": {
"index.number_of_replicas": "1",
"index.number_of_shards": "5",
"index.translog.flush_threshold_size": "512mb",
"index.translog.sync_interval": "60s",
"index.codec": "best_compression",
"analysis" : {
"filter": {
"edge_ngram_filter": {
"type": "edge_ngram",
"min_gram": 1,
"max_gram": 50
},
"pinyin_simple_filter":{
"type" : "pinyin",
"keep_first_letter":true,
"keep_separate_first_letter" : true,
"keep_full_pinyin" : false,
"keep_original" : false,
"limit_first_letter_length" : 50,
"lowercase" : true
},
"pinyin_full_filter":{
"type" : "pinyin",
"keep_first_letter":false,
"keep_separate_first_letter" : false,
"keep_full_pinyin" : true,
"none_chinese_pinyin_tokenize":true,
"keep_original" : false,
"limit_first_letter_length" : 50,
"lowercase" : true
},
"t2s_convert":{
"type": "stconvert",
"delimiter": ",",
"convert_type": "t2s"
}
},
"char_filter" : {
"charconvert" : {
"type" : "mapping",
"mappings_path":"char_filter.txt"
},
"tsconvert" : {
"type" : "stconvert",
"convert_type" : "t2s"
}
},
"analyzer": {
"ngramIndexAnalyzer": {
"type": "custom",
"tokenizer": "keyword",
"filter": ["edge_ngram_filter","lowercase"],
"char_filter" : ["charconvert","tsconvert"]
},
"ngramSearchAnalyzer": {
"type": "custom",
"tokenizer": "keyword",
"filter":["lowercase"],
"char_filter" : ["charconvert","tsconvert"]
},
"ikIndexAnalyzer": {
"type": "custom",
"tokenizer": "ik_smart",
"char_filter" : ["charconvert","tsconvert"]
},
"ikSearchAnalyzer": {
"type": "custom",
"tokenizer": "ik_smart",
"char_filter" : ["charconvert","tsconvert"]
},
"pinyiSimpleIndexAnalyzer":{
"tokenizer" : "keyword",
"filter": ["pinyin_simple_filter","edge_ngram_filter","lowercase"]
},
"pinyiSimpleSearchAnalyzer":{
"tokenizer" : "keyword",
"filter": ["pinyin_simple_filter","lowercase"]
},
"pinyiFullIndexAnalyzer":{
"tokenizer" : "keyword",
"filter": ["pinyin_full_filter","lowercase"]
},
"pinyiFullSearchAnalyzer":{
"tokenizer" : "keyword",
"filter": ["pinyin_full_filter","lowercase"]
},
"tsconvert" : {
"tokenizer" : "tsconvert"
}
},
"tokenizer" : {
"tsconvert" : {
"type" : "stconvert",
"delimiter" : "#",
"keep_both" : false,
"convert_type" : "t2s"
}
}
}
},
"mappings": {
"doc": {
"dynamic": "strict",
"properties": {
"@timestamp": {
"type": "date"
},
"@version": {
"type": "keyword"
},
"id": {
"type": "keyword"
},
"word": {
"type": "text",
"fields":{
"ngram": {
"type": "text",
"analyzer" : "ngramIndexAnalyzer"
},
"spy": {
"type": "text",
"analyzer" : "pinyiSimpleIndexAnalyzer"
},
"fpy": {
"type": "text",
"analyzer" : "pinyiFullIndexAnalyzer"
},
"iks": {
"type": "text",
"analyzer" : "ikIndexAnalyzer"
}
}
}
}
}
}
}——————————————————————————————————
作者：桃花惜春风
转载请标明出处，原文地址：
https://blog.csdn.net/xiaoyu_BD/article/details/81778399
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