Feat: 后端neo4j测试库连接

backend/neo4j/client.go

@@ -0,0 +1,48 @@
+package neo4j
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/joho/godotenv"
+	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
+)
+
+var (
+	NEO4J_URI string
+	NEO4J_USERNAME string
+	NEO4J_PASSWORD string
+)
+
+func init() {
+	err := godotenv.Load()
+  if err != nil {
+    log.Fatal("Error loading .env file")
+  }
+
+  NEO4J_URI = os.Getenv("NEO4J_URI")
+  NEO4J_USERNAME = os.Getenv("NEO4J_USERNAME")
+  NEO4J_PASSWORD = os.Getenv("NEO4J_PASSWORD")
+}
+
+func doConnect() {
+    ctx := context.Background()
+    // dbUri := "<database-uri>"
+    // dbUser := "<username>"
+    // dbPassword := "<password>"
+    driver, err := neo4j.NewDriverWithContext(
+        NEO4J_URI,
+        neo4j.BasicAuth(NEO4J_USERNAME, NEO4J_PASSWORD, ""))
+    if err != nil {
+        panic(err)
+    }
+    defer driver.Close(ctx)
+
+    err = driver.VerifyConnectivity(ctx)
+    if err != nil {
+        panic(err)
+    }
+    fmt.Println("Connection established.")
+}

backend/neo4j/client_test.go

@@ -0,0 +1,7 @@
+package neo4j
+
+import "testing"
+
+func TestDoConnect(t *testing.T){
+	doConnect()	
+}