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85 lines
2.1 KiB
Go
85 lines
2.1 KiB
Go
package iplocation
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import "strings"
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// ParseRegion 根据 DBFormat 将 "|" 分隔的 region 字符串解析为统一的 IPLocationResult
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func ParseRegion(region string, format DBFormat) *IPLocationResult {
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if region == "" {
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return &IPLocationResult{}
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}
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fields := strings.Split(region, "|")
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// 辅助函数：安全获取字段，处理 "0" 和空值
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getField := func(index int) string {
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if index >= len(fields) {
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return ""
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}
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val := strings.TrimSpace(fields[index])
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if val == "0" || val == "" {
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return ""
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}
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return val
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}
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result := &IPLocationResult{}
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switch format {
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case FormatLegacy: // 国家|区域|省份|城市|ISP
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result.Country = getField(0)
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result.Region = getField(1)
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result.Province = getField(2)
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result.City = getField(3)
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result.ISP = getField(4)
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case FormatOpenSource: // 国家|省份|城市|网络运营商
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result.Country = getField(0)
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result.Province = getField(1)
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result.City = getField(2)
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result.ISP = getField(3)
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case FormatFull: // 大洲|国家|省份|城市|区县|网络运营商|其他
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result.Region = getField(0)
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result.Country = getField(1)
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result.Province = getField(2)
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result.City = getField(3)
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result.District = getField(4)
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result.ISP = getField(5)
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case FormatStandard: // 国家|省份|城市|区县|网络运营商|其他
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result.Country = getField(0)
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result.Province = getField(1)
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result.City = getField(2)
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result.District = getField(3)
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result.ISP = getField(4)
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case FormatCompact: // 国家|省份|城市|网络运营商|其他
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result.Country = getField(0)
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result.Province = getField(1)
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result.City = getField(2)
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result.ISP = getField(3)
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default:
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// 默认按 legacy 格式处理
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result.Country = getField(0)
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result.Region = getField(1)
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result.Province = getField(2)
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result.City = getField(3)
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result.ISP = getField(4)
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}
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// 处理特殊标记 "内网IP"
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if len(fields) > 0 {
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lastField := fields[len(fields)-1]
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if strings.Contains(lastField, "内网IP") {
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result.Country = "内网"
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result.Province = "内网"
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result.City = "内网"
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result.Region = ""
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result.ISP = ""
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}
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}
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return result
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}
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