|| apoc.map.fromNodes - APOC 核心文档 - Neo4j 文档

apoc.map.fromNodes

详情
语法	`apoc.map.fromNodes(label, prop)`
描述	返回一个将给定属性映射到给定标签的节点的 `MAP`。
参数	名称	类型	描述
	`label`	`STRING`	用于创建映射的节点标签。
	`prop`	`STRING`	用于映射返回节点的属性名称。
返回	`MAP`

使用示例

本节中的示例基于以下示例图

CREATE (TheMatrixRevolutions:Movie {title:'The Matrix Revolutions', released:2003, tagline:'Everything that has a beginning has an end'})
CREATE (YouveGotMail:Movie {title:"You've Got Mail", released:1998, tagline:'At odds in life... in love on-line.'})
CREATE (SleeplessInSeattle:Movie {title:'Sleepless in Seattle', released:1993, tagline:'What if someone you never met, someone you never saw, someone you never knew was the only someone for you?'});

RETURN apoc.map.fromNodes("Movie", "title");

输出

结果
输出
{ "The Matrix Revolutions": { "identity": 14, "labels": [ "Movie" ], "properties": { "tagline": "Everything that has a beginning has an end", "title": "The Matrix Revolutions", "released": 2003 } }, "Sleepless in Seattle": { "identity": 16, "labels": [ "Movie" ], "properties": { "tagline": "What if someone you never met, someone you never saw, someone you never knew was the only someone for you?", "title": "Sleepless in Seattle", "released": 1993 } }, "You've Got Mail": { "identity": 15, "labels": [ "Movie" ], "properties": { "tagline": "At odds in life... in love on-line.", "title": "You've Got Mail", "released": 1998 } } }

{
  "The Matrix Revolutions": {
    "identity": 14,
    "labels": [
      "Movie"
    ],
    "properties": {
    "tagline": "Everything that has a beginning has an end",
    "title": "The Matrix Revolutions",
    "released": 2003
    }
  },
  "Sleepless in Seattle": {
    "identity": 16,
    "labels": [
      "Movie"
    ],
    "properties": {
    "tagline": "What if someone you never met, someone you never saw, someone you never knew was the only someone for you?",
    "title": "Sleepless in Seattle",
    "released": 1993
    }
  },
  "You've Got Mail": {
    "identity": 15,
    "labels": [
      "Movie"
    ],
    "properties": {
    "tagline": "At odds in life... in love on-line.",
    "title": "You've Got Mail",
    "released": 1998
    }
  }
}