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[TOC] ## 示例 ``` // go mod init main // go run example.go package main import ( "fmt" "github.com/neo4j/neo4j-go-driver/neo4j" //Go 1.8 ) func main() { s, err := runQuery("bolt://<HOST>:<BOLTPORT>", "<USERNAME>", "<PASSWORD>") if err != nil { panic(err) } fmt.Println(s) } func runQuery(uri, username, password string) ([]string, error) { configForNeo4j4 := func(conf *neo4j.Config) { conf.Encrypted = false } driver, err := neo4j.NewDriver(uri, neo4j.BasicAuth(username, password, ""), configForNeo4j4) if err != nil { return nil, err } defer driver.Close() sessionConfig := neo4j.SessionConfig{AccessMode: neo4j.AccessModeRead, DatabaseName: "neo4j"} session, err := driver.NewSession(sessionConfig) if err != nil { return nil, err } defer session.Close() results, err := session.ReadTransaction(func(transaction neo4j.Transaction) (interface{}, error) { result, err := transaction.Run( ` MATCH (p:Product)-[:PART_OF]->(:Category)-[:PARENT*0..]-> (:Category {categoryName:$category}) RETURN p.productName as product `, map[string]interface{}{ "category": "Dairy Products", }) if err != nil { return nil, err } var arr []string for result.Next() { value, found := result.Record().Get("product") if found { arr = append(arr, value.(string)) } } if err = result.Err(); err != nil { return nil, err } return arr, nil }) if err != nil { return nil, err } return results.([]string), err } ```