Elasticsearch-Mapping映射

Mapping映射
自动或手动为index中的_doc建立一种数据结构和相关配置

动态映射：dynamic mapping，自动为我们建立index，以及对应的mapping，mapping中包含了每个field对应的数据类型，以及如何分词等设置。

PUT /web_site/_doc/1
{
  "post_date": "2023-01-01",
  "title" : "The longer",
  "content":"The longer she endured the pain",
  "author_id": 1111
}
PUT /web_site/_doc/2
{
  "post_date": "2023-01-02",
  "title" : "The longer title",
  "content":"The longer she endured the paipppn",
  "author_id": 1113
}
PUT /web_site/_doc/3
{
  "post_date": "2023-01-03",
  "title" : "The longer title endured",
  "content":"The longer she endured title the paipppn",
  "author_id": 1113
}