修改Centos7静态IP方法的Java工具类

import java.io.BufferedReader;  
import java.io.InputStreamReader;  
  
public class IP_Modifies {  
    public static void main(String[] args) throws Exception {  
        //新IP地址  
        String IPADDR="192.168.161.133";  
        //新子网掩码  
        String NETMASK="255.255.255.0";  
        //新网管地址  
        String GATEWAY="192.168.161.2";  
        //网络配置文件路径  注：需要给ifcfg-ens160 修改权限 chmod +x ifcfg-*
        String netPath="/etc/sysconfig/network-scripts/ifcfg-ens160";  
  
        String stopNetwork ="systemctl stop NetworkManager.service && systemctl stop network.service";  
  
        String BOOTPROTO="sudo sed -i \'s/BOOTPROTO=dhcp/BOOTPROTO=static/\' "+netPath;  
  
        String addIPADDR="sudo sed -i \'/IPADDR/d\' "+netPath;  
  
        String addNETMASK="sudo sed -i \'/NETMASK/d\' "+netPath;  
  
        String addGATEWAY="sudo sed -i \'/GATEWAY/d\' "+netPath;  
  
        String IPADDRAdd="sudo echo "+"IPADDR="+IPADDR+" >>  "+netPath;  
  
        String NETMASKAdd="sudo echo "+"NETMASK="+NETMASK+" >>  "+netPath;  
  
        String GATEWAYAdd = "sudo echo "+"GATEWAY="+GATEWAY+" >>  "+netPath;  
  
        String startNetwork="systemctl start network.service && systemctl start NetworkManager.service";  
  
        Process process = Runtime.getRuntime().exec(  
                new String[]{"/bin/sh","-c",stopNetwork+" && "  
                        +BOOTPROTO+" && "  
                        +addIPADDR+" && "  
                        +addNETMASK+" && "  
                        +addGATEWAY+" && "  
                        +IPADDRAdd+" && "  
                        +NETMASKAdd+" && "  
                        +GATEWAYAdd+" && "  
                        +startNetwork  
                },null,null);  
        process.waitFor();  
  
        process = Runtime.getRuntime().exec(new String[]{"/bin/sh","-c","ping -c 3 " + IPADDR},null,null);  
        BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));  
        String line;  
        while ((line = reader.readLine()) != null) {  
            System.out.println(line);  
        }  
    }  
  
}