feat(添加功能): client作为本地查询工具，server作为服务给其他服务调用

client/client.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+	"fmt"
+	"github.com/xiaoqidun/qqwry"
+	"github.com/xiaoqidun/qqwry/assets"
+	"os"
+)
+
+func init() {
+	qqwry.LoadData(assets.QQWryDat)
+}
+
+func main() {
+	if len(os.Args) < 2 {
+		return
+	}
+	queryIp := os.Args[1]
+	city, area, err := qqwry.QueryIP(queryIp)
+	if err != nil {
+		fmt.Printf("错误：%v\n", err)
+		return
+	}
+	fmt.Printf("城市：%s，区域：%s\n", city, area)
+}