es常用重要语句

自定义分析器，分词器

PUT http://xxx.xxx.xxx.xxx:9200/test_index/
{
  "settings": {
    "analysis": {
      "analyzer": {
        "char_edge_ngram_analyzer": {
          "tokenizer": "char_edge_ngram_tokenizer"
        }
      },
      "tokenizer": {
        "char_edge_ngram_tokenizer": {
          "type": "edge_ngram",
          "min_gram": 1,
          "max_gram": 10
        }
      }
    }
  },
  "mappings": {
    "test_index_type": {
      "properties": {
        "my_field": {
          "type": "text",
          "analyzer": "char_edge_ngram_analyzer"
        }
      }
    }
  }
}

所有字段检索

{
	"query": {
		"multi_match": {
			"query": "河北保定",
			"type": "cross_fields",
			"fields": ["*"],
			"operator": "AND"
    }
	}
}

高亮搜索

{
  "highlight": {
    "fields": {
        "name": {},
        "content": {},
    },
    "pre_tags": ["<em>"],
    "post_tags": ["</em>"]
  }
}

分词测试

GET /test_index/_analyze

{
	"field": "my_field",
	"text": "this is admin"
}