商品的CRUD操作

(1)新增商品:新增文档,建立索引

PUT /index/type/id
{
"json数据"
}

PUT /ecommerce/product/1
{
"name" : "gaolujie yagao",
"desc" : "gaoxiao meibai",
"price" : 30,
"producer" : "gaolujie producer",
"tags": [ "meibai", "fangzhu" ]
}

{
"_index": "ecommerce",
"_type": "product",
"_id": "1",
"_version": 1,
"result": "created",
"_shards": {
"total": 2,
"successful": 1,
"failed": 0
},
"created": true
}

PUT /ecommerce/product/2
{
"name" : "jiajieshi yagao",
"desc" : "youxiao fangzhu",
"price" : 25,
"producer" : "jiajieshi producer",
"tags": [ "fangzhu" ]
}

PUT /ecommerce/product/3
{
"name" : "zhonghua yagao",
"desc" : "caoben zhiwu",
"price" : 40,
"producer" : "zhonghua producer",
"tags": [ "qingxin" ]
}

es会自动建立index和type,不需要提前创建,而且es默认会对document每个field都建立倒排索引,让其可以被搜索

(2)查询商品:检索文档

GET /index/type/id
GET /ecommerce/product/1

{
"_index": "ecommerce",
"_type": "product",
"_id": "1",
"_version": 1,
"found": true,
"_source": {
"name": "gaolujie yagao",
"desc": "gaoxiao meibai",
"price": 30,
"producer": "gaolujie producer",
"tags": [
"meibai",
"fangzhu"
]
}
}

(3)修改商品:替换文档

PUT /ecommerce/product/1
{
"name" : "jiaqiangban gaolujie yagao",
"desc" : "gaoxiao meibai",
"price" : 30,
"producer" : "gaolujie producer",
"tags": [ "meibai", "fangzhu" ]
}

{
"_index": "ecommerce",
"_type": "product",
"_id": "1",
"_version": 1,
"result": "created",
"_shards": {
"total": 2,
"successful": 1,
"failed": 0
},
"created": true
}

{
"_index": "ecommerce",
"_type": "product",
"_id": "1",
"_version": 2,
"result": "updated",
"_shards": {
"total": 2,
"successful": 1,
"failed": 0
},
"created": false
}


PUT /ecommerce/product/1
{
"name" : "jiaqiangban gaolujie yagao"
}

替换方式有一个不好,即使必须带上所有的field,才能去进行信息的修改

(4)修改商品:更新文档

POST /ecommerce/product/1/_update
{
"doc": {
"name": "jiaqiangban gaolujie yagao"
}
}

{
"_index": "ecommerce",
"_type": "product",
"_id": "1",
"_version": 8,
"result": "updated", //变了
"_shards": {
"total": 2,
"successful": 1,
"failed": 0
}
}

(5)删除商品:删除文档

DELETE /ecommerce/product/1

{
"found": true,
"_index": "ecommerce",
"_type": "product",
"_id": "1",
"_version": 9,
"result": "deleted",
"_shards": {
"total": 2,
"successful": 1,
"failed": 0
}
}

{
"_index": "ecommerce",
"_type": "product",
"_id": "1",
"found": false
}

原文地址:https://www.cnblogs.com/kesimin/p/9559825.html