java调用cmd以及liunx命令工具类

待我称王封你为后i 2023-06-28 11:15 18阅读 0赞

package com.citydo.xclouddesk.utils;
    
    import lombok.extern.slf4j.Slf4j;
    import java.io.*;
    import java.nio.charset.Charset;
    import java.util.List;
    
    /**
     * @author nick
     */
    @Slf4j
    public class LinuxUtil { 
    
        public static void main(String[] args) { 
            String cmd = "dir";
            LinuxUtil.executeCmd(cmd);
            LinuxUtil.exec(cmd);
            List<String> commands = new ArrayList<>();
            commands.add("cd /home");
            commands.add("ll");
            commands.add("ls");
            LinuxUtil.execFlow(commands);
    
        }
    
        /**
         * 批量 liunx命令
         * @param commands
         * @return
         */
        public static Object execFlow(List<String> commands) { 
            try { 
                String cmds = "";
                for (String cmd : commands) { 
                    cmds += cmd + ";";
                }
                String[] cmdA = { "/bin/sh", "-c", cmds};
                Process process = Runtime.getRuntime().exec(cmdA);
                LineNumberReader br = new LineNumberReader(new InputStreamReader(
                        process.getInputStream(), Charset.forName("GBK")));
                StringBuffer sb = new StringBuffer();
                String line;
                while ((line = br.readLine()) != null) { 
                    log.info("输出结果:{}",line);
                    sb.append(line).append("\n");
                }
                br.close();
                process.waitFor();
                return sb.toString();
            } catch (Exception e) { 
                log.info("Linux命令异常:{}",e.getMessage());
            }
            return null;
        }
    
        /**
         * 单条liunx命令
         * @param cmd
         * @return
         */
        public static Object exec(String cmd) { 
            try { 
                String[] cmdA = { "/bin/sh", "-c", cmd};
                Process process = Runtime.getRuntime().exec(cmdA);
                LineNumberReader br = new LineNumberReader(new InputStreamReader(
                        process.getInputStream(), Charset.forName("GBK")));
                StringBuffer sb = new StringBuffer();
                String line;
                while ((line = br.readLine()) != null) { 
                    log.info("输出结果:{}",line);
                    sb.append(line).append("\n");
                }
                br.close();
                process.waitFor();
                return sb.toString();
            } catch (Exception e) { 
                log.info("Linux命令异常:{}",e.getMessage());
            }
            return null;
        }
    
    
        /**
         * InputStream inStream = p.getInputStream();
         * InputStreamReader inReader = new InputStreamReader(inStream);
         * BufferedReader inBuffer = new BufferedReader(inReader);
         * @param cmdStr  CMD命令字符
         */
        public static Object executeCmd(String cmdStr) { 
            Runtime run = Runtime.getRuntime();
            try { 
                Process process = run.exec("cmd.exe /c " + cmdStr);
                LineNumberReader br = new LineNumberReader(new InputStreamReader(
                        process.getInputStream(), Charset.forName("GBK")));
                StringBuffer sb = new StringBuffer();
                String line;
                while((line = br.readLine()) != null){ 
                    log.info("输出结果:{}",line);
                    sb.append(line).append("\n");
                }
                br.close();
                process.waitFor();
                return sb.toString();
            } catch (Exception e) { 
                log.info("cmd命令异常:{}",e.getMessage());
            }
            return null;
        }
    
    
    }