# EsProject

**Repository Path**: gitliuxm/EsProject

## Basic Information

- **Project Name**: EsProject
- **Description**: No description available
- **Primary Language**: Java
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2021-03-20
- **Last Updated**: 2021-09-01

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# 查看分词
GET /_analyze
{
  "analyzer": "ik_max_word",
  "text": "酷派 8076D 咖啡棕 移动3G手机 双卡双待"
}

# 索引库操作
put /heima
get /heima
delete /heima

# 映射操作
put /heima
{
  "mappings":{
    "properties":{
      "title":{
        "type":"text",
        "index":"true",
        "analyzer":"ik_max_word"
      },
      "images":{
        "type":"keyword",
        "index":"false"
      },
      "price":{
        "type":"float"
      }
    },
    "dynamic_templates":[{
      "strings":{
        "match_mapping_type":"string",
        "mapping":{
          "type":"keyword"
        }
      }
    }]
  }
}
get /heima/_mapping
put /heima/_mapping
{
  "properties":{
    "title":{
      "type":"text",
      "index":"true",
      "analyzer":"ik_max_word"
    },
    "images":{
      "type":"keyword",
      "index":"false"
    },
    "price":{
      "type":"float",
      "index":"true"
    }
  }
}

# 文档操作
post /heima/_doc/1
{
  "title":"小米手机",
  "images":"http://image.leyou.com/12479122.jpg",
  "price":2699.0
}
get /heima/_doc/1
put /heima/_doc/1
{
  "title":"华为手机",
  "images":"http://image.leyou.com/12479122.jpg",
  "price":5888.0
}
delete /heima/_doc/1

# 查询操作
#1.查询所有数据
get /heima/_search
{
  "query":{
    "match_all": {}
  }
}
#2.分词查询数据
get /heima/_search
{
  "query":{
    "match": {
      "title": {
        "query": "酷派 8076D 咖啡棕 移动3G手机 双卡双待",
        "operator": "and"
      }
    }
  }
}
#3.词条查询数据
get /heima/_search     
{
  "query":{
    "term": {
      "title":{
        "value": "三星"
      }
    }
  }
}
#4.模糊查询数据 可以设置偏差量
get /heima/_search
{
  "query":{
    "fuzzy": {
      "title": {
        "value": "飞利普",
        "fuzziness": 1
      }
    }
  }
}
#5.范围查询数据
get /heima/_search
{
  "query":{
    "range": {
      "price": {
        "gte": 1000,
        "lte": 5000
      }
    }
  }
}
#6.多条件查询 title price not 
get /heima/_search
{
  "query":{
    "bool": {
      "must": [
        {
          "match": {
            "title": "手机"
          }
        },
        {
          "range": {
            "price": {
              "gte": 1000,
              "lte": 5000
            }
          }
        }
      ],
      "must_not": [
        {
          "term": {
            "title": {
              "value": "三星"
            }
          }
        }
      ]
    }
  }
}
#7.过滤查询
get /heima/_search
{
  "query":{
    "bool": {
      "must": [
        {
          "match": {
            "title": "手机"
          }
        }
      ],
      "filter": [
        {
          "range": {
            "price": {
              "gte": 1000,
              "lte": 5000
            }
          }
        }
      ],
      "must_not": [
        {
          "term": {
            "title": {
              "value": "三星"
            }
          }
        }
      ]
    }
  }
}

# 排序与分页
get /heima/_search
{
   "query":{
     "match_all": {}
   },
   "sort":[{
     "price":{
       "order":"desc"
     }
   }],
   "from":0,
   "size":2
}

# 高亮
get /heima/_search
{
  "query":{
    "match": {
      "title": "三星手机"
    }
  },
  "highlight":{
    "pre_tags": "<p>",
    "post_tags": "</p>",
    "fields": {
      "title": {}
    }
  }
}

# 筛选
get /heima/_search
{
  "_source":{
    "includes":["title","images"]
  }
}
get /heima/_search
{
    "_source":{
      "exclude":["title","images"]
    }
}

# 聚合
get /car/_search
{
  "size":0,
  "aggs":{
    "stats_price":{
      "stats": {
        "field": "price"
      }
    }
  }
}
# 聚合桶
get /car/_search
{
  "aggs":{
    "terms_by_color":{
      "terms": {
        "field": "color"
      }
    }
  },
  "size":0
}
# 聚合度量
get /car/_search
{
  "aggs":{
    "terms_by_color":{
      "terms": {
        "field": "color"
      },
      "aggs": {
        "avg_by_color": {
          "avg": {
            "field": "price"
          }
        }
      }
    }
  },
  "size":0
}

# 嵌套
get /car/_search
{
  "aggs":{
    "terms_by_color":{
      "terms": {
        "field": "color"
      },
      "aggs": {
        "avg_by_color": {
          "avg": {
            "field": "price"
          }
        },
        "terms_by_make":{
          "terms": {
            "field": "make"
          }
        }
      }
    }
  },
  "size":0
}

get /car/_search
{
  "query":{
    "match_all": {}
  }
}








POST /car/_bulk
{ "index": {}}
{ "price" : 10000, "color" : "红", "make" : "本田", "sold" : "2014-10-28" }
{ "index": {}}
{ "price" : 20000, "color" : "红", "make" : "本田", "sold" : "2014-11-05" }
{ "index": {}}
{ "price" : 30000, "color" : "绿", "make" : "福特", "sold" : "2014-05-18" }
{ "index": {}}
{ "price" : 15000, "color" : "蓝", "make" : "丰田", "sold" : "2014-07-02" }
{ "index": {}}
{ "price" : 12000, "color" : "绿", "make" : "丰田", "sold" : "2014-08-19" }
{ "index": {}}
{ "price" : 20000, "color" : "红", "make" : "本田", "sold" : "2014-11-05" }
{ "index": {}}
{ "price" : 80000, "color" : "红", "make" : "宝马", "sold" : "2014-01-01" }
{ "index": {}}
{ "price" : 25000, "color" : "蓝", "make" : "福特", "sold" : "2014-02-12" }