#先添加几个文档

PUT /lib/user/1
{"first_name":"Jane","last_name":"Smith","age":36,"about":"I like to collect rock albums","interests":["music"]
}PUT /lib/user/2
{"first_name":"Jane","last_name":"tom","age":38,"about":"I like to collect rock albums","interests":["music"]
}

 

 获取

#批量获取文档 Multi GET API
GET /_mget
{"docs":[{"_index":"lib","_type":"user","_id":1},{"_index":"lib","_type":"user","_id":2},{"_index":"lib","_type":"user","_id":3}]}

返回信息：

{"docs" : [{"_index" : "lib","_type" : "user","_id" : "1","_version" : 1,"_seq_no" : 7,"_primary_term" : 1,"found" : true,"_source" : {"first_name" : "Jane","last_name" : "Smith","age" : 36,"about" : "I like to collect rock albums","interests" : ["music"]}},{"_index" : "lib","_type" : "user","_id" : "2","_version" : 1,"_seq_no" : 3,"_primary_term" : 1,"found" : true,"_source" : {"first_name" : "Jane","last_name" : "tom","age" : 38,"about" : "I like to collect rock albums","interests" : ["music"]}},{"_index" : "lib","_type" : "user","_id" : "3","found" : false}]
}

文档id=1和文档id=2返回true  文档id=3的返回false 因为文档3没有添加

获取文档指定的字段

#获取指定字段
GET /_mget
{"docs":[{"_index":"lib","_type":"user","_id":1,"_source": "interests"},{"_index":"lib","_type":"user","_id":2,"_source":["interests","age"]}]}

获取结果：

{"docs" : [{"_index" : "lib","_type" : "user","_id" : "1","_version" : 1,"_seq_no" : 7,"_primary_term" : 1,"found" : true,"_source" : {"interests" : ["music"]}},{"_index" : "lib","_type" : "user","_id" : "2","_version" : 1,"_seq_no" : 3,"_primary_term" : 1,"found" : true,"_source" : {"interests" : ["music"],"age" : 38}}]
}