Elasticsearch 学习笔记 （三、Elasticsearch 的Crud操作）

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### 创建索引
PUT /njnode

### 查询索引
GET /njnode

### 创建文档 PUT 索引/ 类型/ id
PUT /njnode/user/1
{
  "name":"wangzi",
  "age":24,
  "sex":0
}

### 查询文档
GET /njnode/user/1

########################查询结果#########################
{
  "_index": "njnode",
  "_type": "user",
  "_id": "1",
  "_version": 1,
  "found": true,
  "_source": {
    "name": "wangzi",
    "age": 24,
    "sex": 0
  }
}
########################################################

### 修改文档（仔细观察_version版本号变了）
PUT /njnode/user/1
{
  "name":"WANGZI",
  "age":24,
  "sex":0
}

########################修改结果#########################
{
  "_index": "njnode",
  "_type": "user",
  "_id": "1",
  "_version": 2,
  "result": "updated",
  "_shards": {
    "total": 2,
    "successful": 1,
    "failed": 0
  },
  "_seq_no": 1,
  "_primary_term": 1
}
########################################################

### 删除操作
delete njnode