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83 lines
1.9 KiB
Go
83 lines
1.9 KiB
Go
package core
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import (
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"fmt"
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"strings"
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"github.com/lionsoul2014/ip2region/binding/golang/xdb"
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)
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var IpUtils = new(ipUtils)
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type ipUtils struct {
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Searcher *xdb.Searcher
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}
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func init() {
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var dbPath = "resources/ip/ip2region.xdb"
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// 创建完全基于内存的查询对象。
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cBuff, err := xdb.LoadContentFromFile(dbPath)
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if err != nil {
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fmt.Printf("failed to load content from `%s`: %s\n", dbPath, err)
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return
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}
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// 并发使用,用整个 xdb 缓存创建的 searcher 对象可以安全用于并发。
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searcher, err := xdb.NewWithBuffer(cBuff)
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if err != nil {
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fmt.Printf("failed to create searcher: %s\n", err.Error())
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return
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}
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fmt.Printf("创建完全基于内存的查询对象。")
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IpUtils.Searcher = searcher
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// defer searcher.Close()
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// region, err := searcher.SearchByStr(ip)
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// if err != nil {
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// fmt.Printf("failed to SearchIP(%s): %s\n", ip, err)
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// return
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// }
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// fmt.Printf("{region: %+v}\n", region)
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}
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type Region struct {
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Country string
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Province string
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City string
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Operator string
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}
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func (ipUtils *ipUtils) Parse(ip string) Region {
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// var dbPath = "resources/ip/ip2region.xdb"
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// // 创建完全基于内存的查询对象。
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// cBuff, err := xdb.LoadContentFromFile(dbPath)
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// searcher, err := xdb.NewWithBuffer(cBuff)
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// if err != nil {
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// fmt.Printf("failed to create searcher: %s\n", err.Error())
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// return
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// }
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// defer searcher.Close()
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if ip == "" {
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fmt.Println("输入ip为空")
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return Region{}
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}
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region, err := ipUtils.Searcher.SearchByStr(ip)
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if err != nil {
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fmt.Printf("解析ip(%s)错误: %s\n", ip, err)
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return Region{}
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}
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// 中国|0|四川省|成都市|电信
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parts := strings.Split(region, "|")
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if len(parts) != 5 {
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fmt.Println("解析ip返回错误")
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return Region{}
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}
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country := parts[0]
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province := parts[2]
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city := parts[3]
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operator := parts[4]
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regionInfo := Region{Country: country, Province: province, City: city, Operator: operator}
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return regionInfo
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}
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