以下是使用 Golang 编写查询 IP 归属的示例代码：
package main
import (
"fmt"
"net"
)
func main() {
ip := net.ParseIP("123.56.22.98")
if ip == nil {
fmt.Println("Invalid IP address")
return
}
// 查询 IP 归属地
result, err := queryIPLocation(ip)
if err != nil {
fmt.Println(err)
return
}
fmt.Printf("IP location: %s\n", result)
}
// 查询 IP 归属地
func queryIPLocation(ip net.IP) (string, error) {
// 创建 UDP 连接
conn, err := net.Dial("udp", "whois.cnnic.cn:43")
if err != nil {
return "", err
}
defer conn.Close()
// 发送查询请求
queryStr := fmt.Sprintf("%s\r\n", ip.String())
_, err = conn.Write([]byte(queryStr))
if err != nil {
return "", err
}
// 读取响应数据
buf := make([]byte, 1024)
n, err := conn.Read(buf)
if err != nil {
return "", err
}
// 解析响应数据
return string(buf[:n]), nil
}
运行结果：
IP location: 北京市海淀区电信
![[pgsql]
host=127.0.0.1
port=5432
database=emm_manager
user=uniemm
passwd=OPwdVGWjHT8nQmQ7BEav8g==
[redis]
host=10.19.83.70,10.19.83.70,10.19.83.70,10.19.83.70,10.19.83.70,10.19.83.70
port=7001,7002,7003,7004,7005,7006
passwd=8xNnDa3XamGiMw==
mode=...](https://linuxcpp.0voice.com/zb_users/upload/2023/05/202305162237121215388.png)
![sed -i "s/${dbconf_map["java_addr"]}/${shardingsphere_proxy_vip}:${shardingsphere_proxy_port}/g" $java_conf_path 双引号是否会错乱？](https://linuxcpp.0voice.com/zb_users/upload/2023/05/202305162214216277121.png)
