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示例1
#判断索引twitter是否存在
HEAD twitter
#索引初始化操作,指定分片和副本数量
#设定后,分片不能修改
PUT twitter
{
"settings": {
"number_of_replicas": 1,
"number_of_shards": 2
}
}
#获取索引信息
GET twitter/_settings
#创建一个job文档,id为1的
PUT twitter/job/1
{
"title": "python",
"min_salary": 15000,
"company": {
"name": "jingdong",
"company_addr": "beijing"
},
"publish_date": "2022-03-10",
"comments": 15
}
#创建一个job文档,id为2的PUT twitter/job/2
{
"title": "python",
"min_salary": 15000,
"company": {
"name": "meituan",
"company_addr": "tianjin"
},
"publish_date": "2022-03-13",
"comments": 20
}
#根据id查询
GET twitter/job/1
#修改属性值
POST twitter/job/1/_update
{
"doc": {
"comments": 100
}
}
#查询 publish_date大于2022-03-11的
GET twitter/job/_search
{
"query": {
"bool": {
"filter": [
{"range": {"publish_date":{"gte":"2022-03-11"}}}
]
}
}
}
#删除id为1的记录
DELETE twitter/job/1
#删除索引
DELETE twitters
示例2
#新建一个index,并指定需要分词的字段
#一个index只能创建一个文档
PUT accounts
{
"settings": {
"number_of_replicas": 1,
"number_of_shards": 2
},
"mappings": {
"person":{
"properties":{
"user":{
"type":"text",
"analyzer":"ik_max_word",
"search_analyzer":"ik_max_word"
},
"title":{
"type":"text",
"analyzer":"ik_max_word",
"search_analyzer":"ik_max_word"
},
"desc":{
"type":"text",
"analyzer":"ik_max_word",
"search_analyzer":"ik_max_word"
}
}
}
}
}
#新增一条记录
PUT accounts/person/1
{
"user":"张三",
"title":"工程师",
"desc":"数据库管理"
}
#新增一条记录
PUT accounts/person/2
{
"user":"李四",
"title":"工程师",
"desc":"系统管理"
}
#新增一条记录
PUT accounts/person/3
{
"user":"李四2",
"title":"工程师",
"desc":"系统管理"
}
#返回所有记录
GET accounts/person/_search
#ES默认返回10条记录,可以通过size改变这个设置
#通过from字段指定位移
GET accounts/person/_search
{
"query": {
"match": {
"desc": "管理"
}
},
"from": 1,
"size": 1
}
#执行多个关键字的and搜索,必须使用bool查询
GET accounts/person/_search
{
"query": {
"bool": {
"must": [
{"match": {"desc": "系统"}},
{"match": {"desc": "管理"}}
]
}
}
}
#执行多个条件搜索,必须使用bool查询
GET accounts/person/_search
{
"query": {
"bool": {
"filter": [
{"term": {"user": "李四"}},
{"term":{"desc":"系统"}}
]
}
}
}
后期再补充。版本不同,操作不同,初次学习,记录一下。
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