创建关系

1.节点不存在

  create(anders:Person{Name:"Anders"}),(ceasar:Person{Name:"Ceasar"}),(bossman:Person{Name:"Bossman"}),(emit:Person{Name:"Emit"}),(david:Person{Name:"David"}),

(anders)-[:BLOCKS]->(ceasar),
(anders)-[:KNOWS]->(bossman),
(ceasar)-[:KNOWS]->(emit),
(bossman)-[:KNOWS]->(emit),
(anders)-[:KNOWS]->(david),
(bossman)-[:BLOCKS]->(david)

2，节点存在

create(anders)-[:BLOCKS]->(ceasar),
(anders)-[:KNOWS]->(bossman),
(ceasar)-[:KNOWS]->(emit),
(bossman)-[:KNOWS]->(emit),
(anders)-[:KNOWS]->(david),
(bossman)-[:BLOCKS]->(david)