update ip2region

app.go

@@ -8,7 +8,7 @@ import (
 	"strings"
 )
 
-const Version = "1.0.11"
+const Version = "1.0.12"
 
 type App struct {
 	V4Region ip2region.Ip2Region // IPV4

app_test.go

@@ -8,8 +8,9 @@ import (
 var app App
 
 func TestOnlineDownload(t *testing.T) {
-	//t.Log(app.V4db.OnlineDownload()) // 在线下载ipv4数据库
-	//t.Log(app.V6db.OnlineDownload()) // 在线下载ipv6数据库
+	//t.Log(app.V4db.OnlineDownload())     // 在线下载ipv4数据库
+	//t.Log(app.V6db.OnlineDownload())     // 在线下载ipv6数据库
+	//t.Log(app.V4Region.OnlineDownload()) // 在线下载ip2region数据库
 }
 
 func TestIp(t *testing.T) {

ip2region/download.go

@@ -0,0 +1,17 @@
+package ip2region
+
+import (
+	"io/ioutil"
+	"net/http"
+)
+
+func getOnline() ([]byte, error) {
+	resp, err := http.Get("https://ghproxy.com/?q=https://github.com/lionsoul2014/ip2region/blob/master/data/ip2region.db?raw=true")
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := ioutil.ReadAll(resp.Body)
+	return body, err
+}

ip2region/ip2region.go

@@ -4,6 +4,8 @@ import (
 	_ "embed"
 	"errors"
 	"go.dtapp.net/gostring"
+	"io/ioutil"
+	"log"
 	"os"
 	"strconv"
 	"strings"
@@ -160,3 +162,16 @@ func ip2long(IpStr string) (int64, error) {
 
 	return sum, nil
 }
+
+func (r *Ip2Region) OnlineDownload() (err error) {
+	tmpData, err := getOnline()
+	if err != nil {
+		return errors.New("下载失败 %s" + err.Error())
+	}
+	if err := ioutil.WriteFile("./ip2region.db", tmpData, 0644); err == nil {
+		log.Printf("已下载最新 ip2region 数据库 %s ", "./ip2region.db")
+	} else {
+		return errors.New("保存失败")
+	}
+	return nil
+}