update

Author: ilsanbao

README.md

@@ -18,17 +18,25 @@ import (
 )
 
 func main() {
-	db, err := ipdb.New("c:/work/tiantexin/bb/v6/mydata6vipday4.ipdb")
+
+    // 支持IPDB格式地级市精度IP离线库(免费版，每周高级版，每日标准版，每日高级版，每日专业版，每日旗舰版)
+	db, err := ipdb.NewCity("/path/to/city.ipv4.ipdb")
 	if err != nil {
 		log.Fatal(err)
 	}
-	fmt.Println("IPv6 Support:", db.IsIPv6Support()) // Whether IPv6 is supported
-	fmt.Println("IPv4 Support:", db.IsIPv4Support()) // Whether IPv4 is supported
-	fmt.Println("Languages:", db.Languages())		// Supported language items
-	fmt.Println("UTC Time:", db.Build())			// time.Time UTC
 
-	fmt.Println(db.Find("2001:19F0:7000::", "CN"))
-    fmt.Println(db.FindMap("2001:19F0:7000::", "CN"))
+	fmt.Println(db.IsIPv4()) // check database support ip type
+	fmt.Println(db.IsIPv6()) // check database support ip type
+	fmt.Println(db.BuildTime()) // database build time
+	fmt.Println(db.Languages()) // database support language
+	fmt.Println(db.Fields()) // database support fields
+
+	fmt.Println(db.FindInfo("2001:250:200::", "CN")) // return CityInfo
+	fmt.Println(db.Find("1.1.1.1", "CN")) // return []string
+	fmt.Println(db.FindMap("118.28.8.8", "CN")) // return map[string]string
+	fmt.Println(db.FindInfo("127.0.0.1", "CN")) // return CityInfo
+
+	fmt.Println()
 }
 </code>
 </pre>