From a3f70c7ea89da511dcc27abf960dab2a87964702 Mon Sep 17 00:00:00 2001
From: "suguo.yao" <ysg@myschools.me>
Date: Sat, 28 Jan 2023 15:33:45 +0800
Subject: [PATCH] =?UTF-8?q?=E5=86=99=E4=B8=8D=E4=B8=8B=E5=8E=BB=E4=BA=86?=
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---
 query.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/query.go b/query.go
index f4e98a4..e3213ad 100644
--- a/query.go
+++ b/query.go
@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"go.mongodb.org/mongo-driver/bson"
+	md "go.mongodb.org/mongo-driver/mongo"
 	"myschools.me/suguo/mongo-example/mongo"
 )
 
@@ -84,6 +85,11 @@ func queryResult() {
 	collection := client.Database("example").Collection("booking")
 	book := &Booking{}
 	if err := collection.FindOne(ctx, bson.M{"_id": "63d20bb744ecbc6b61a283ef"}).Decode(&book); err != nil {
+		if err == md.ErrNoDocuments {
+			//这里的md是mongo，我们封名名需要修改
+			fmt.Println("record does not exist")
+			return
+		}
 		log.Fatal(err)
 	}
 	fmt.Println(book)