Elasticsearch自定义分析器

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PUT /my_index
{
"settings": {
"analysis": {
"char_filter": {
"&_to_and": {
"type": "mapping",
"mappings": [ "& => and "]
}},
"filter": {
"my_stopwords": {
"type": "stop",
"stopwords": [ "the", "a" ]
}},
"analyzer": {
"my_analyzer": {
"type": "custom",
"char_filter": [ "html_strip", "&_to_and" ],
"tokenizer": "standard",
"filter": [ "lowercase", "my_stopwords" ]
}}
}
}
}