Java 執(zhí)行CMD命令或執(zhí)行BAT批處理
背景
日常開發(fā)中總能遇到一些奇怪的需求，例如使用java執(zhí)行cmd命令或者bat批處理文件，今天就簡單記錄一下使用過程。
使用
廢話不多說直接上代碼
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import java.io.BufferedReader;import java.io.FileWriter;import java.io.IOException;import java.io.InputStreamReader;public class Cmder { /** * 執(zhí)行一個cmd命令 * * @param cmdCommand cmd命令 * @return 命令執(zhí)行結(jié)果字符串，如出現(xiàn)異常返回null */ public static String executeCmdCommand(String cmdCommand) { StringBuilder stringBuilder = new StringBuilder(); Process process = null; try { process = Runtime.getRuntime().exec(cmdCommand); BufferedReader bufferedReader = new BufferedReader( new InputStreamReader(process.getInputStream(), "GBK")); String line = null; while ((line = bufferedReader.readLine()) != null) { stringBuilder.append(line).append(" "); } return stringBuilder.toString(); } catch (Exception e) { e.printStackTrace(); return null; } } /** * 執(zhí)行bat文件， * * @param file bat文件路徑 * @param isCloseWindow 執(zhí)行完畢后是否關(guān)閉cmd窗口 * @return bat文件輸出log */ public static String executeBatFile(String file, boolean isCloseWindow) { String cmdCommand = null; if (isCloseWindow) { cmdCommand = "cmd.exe /c " + file; } else { cmdCommand = "cmd.exe /k " + file; } StringBuilder stringBuilder = new StringBuilder(); Process process = null; try { process = Runtime.getRuntime().exec(cmdCommand); BufferedReader bufferedReader = new BufferedReader( new InputStreamReader(process.getInputStream(), "GBK")); String line = null; while ((line = bufferedReader.readLine()) != null) { stringBuilder.append(line).append(" "); } return stringBuilder.toString(); } catch (Exception e) { e.printStackTrace(); return null; } } /** * 執(zhí)行bat文件,新開窗口 * * @param file bat文件路徑 * @param isCloseWindow 執(zhí)行完畢后是否關(guān)閉cmd窗口 * @return bat文件輸出log */ public static String executeBatFileWithNewWindow(String file, boolean isCloseWindow) { String cmdCommand; if (isCloseWindow) { cmdCommand = "cmd.exe /c start" + file; } else { cmdCommand = "cmd.exe /k start" + file; } StringBuilder stringBuilder = new StringBuilder(); Process process; try { process = Runtime.getRuntime().exec(cmdCommand); BufferedReader bufferedReader = new BufferedReader( new InputStreamReader(process.getInputStream(), "GBK")); String line; while ((line = bufferedReader.readLine()) != null) { stringBuilder.append(line).append(" "); } return stringBuilder.toString(); } catch (Exception e) { e.printStackTrace(); return null; } } /** * 執(zhí)行bat腳本 * * @param batScript 腳本內(nèi)容 * @param location 腳本存儲路徑 * @return 結(jié)果 */ public static String executeBatScript(String batScript, String location) { StringBuilder stringBuilder = new StringBuilder(); FileWriter fw = null; try { //生成bat文件 fw = new FileWriter(location); fw.write(batScript); fw.close(); } catch (IOException e) { e.printStackTrace(); } Process process; try { process = Runtime.getRuntime().exec(location); BufferedReader bufferedReader = new BufferedReader( new InputStreamReader(process.getInputStream(), "GBK")); String line; while ((line = bufferedReader.readLine()) != null) { stringBuilder.append(line).append(" "); } return stringBuilder.toString(); } catch (Exception e) { e.printStackTrace(); return null; } } /** * 執(zhí)行腳本,不停止,并輸出執(zhí)行結(jié)果 * * @param batScript 腳本內(nèi)容 * @param location bat文件生成地址 */ public void executeBatScriptAlways(String batScript, String location) { FileWriter fw = null; try { //生成bat文件 fw = new FileWriter(location); fw.write(batScript); fw.close(); } catch (IOException e) { e.printStackTrace(); } StringBuilder stringBuilder = new StringBuilder(); //運行bat文件 Process process; try { process = Runtime.getRuntime().exec(location); BufferedReader bufferedReader = new BufferedReader( new InputStreamReader(process.getInputStream(), "GBK")); String line; while ((line = bufferedReader.readLine()) != null) { System.out.println(line); } } catch (Exception e) { e.printStackTrace(); } }} |
Java 執(zhí)行系統(tǒng)命令
1. windows
1.1 cmd
第一種方法
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File dir = new File("D:\mysql57\mysql-5.7.29-winx64\bin");// String command="netstat -an";String command = "c:\windows\system32\cmd.exe /c mysqlbinlog ../data/master-bin.000006 | more";Runtime r = Runtime.getRuntime();Process p = r.exec(command, null, dir);BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));StringBuffer sb = new StringBuffer();String inline;while (null != (inline = br.readLine())) { sb.append(inline).append(" ");}System.out.println(sb.toString()); |
第二種方法
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try { File dir = new File("D:\mysql57\mysql-5.7.29-winx64\bin");//此處是指定路徑 String[] cmd = new String[] { "cmd", "/c", "mysqlbinlog -v ../data/master-bin.000006 | more" };// cmd[2]是要執(zhí)行的dos命令 System.out.println(cmd[2]); Process process = Runtime.getRuntime().exec(cmd,null,dir); // 記錄dos命令的返回信息 StringBuffer resStr = new StringBuffer(); // 獲取返回信息的流 InputStream in = process.getInputStream(); Reader reader = new InputStreamReader(in); BufferedReader bReader = new BufferedReader(reader); for (String res = ""; (res = bReader.readLine()) != null;) { resStr.append(res + " "); } System.out.println(resStr.toString()); bReader.close(); reader.close(); process.getOutputStream().close(); // 不要忘記了一定要關(guān)} catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace();} |
windows cmd 命令
后臺運行
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start /b 程序名字start /b redis-server.exe redis.windows.conf |
關(guān)閉程序
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taskkill /f /t /im 程序名字taskkill /f /t /im redis-server.exe |
查看進程
根據(jù)進程名稱 查看進程
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tasklist|find /i "redis-server.exe" |
以上為個人經(jīng)驗，希望能給大家一個參考，也希望大家多多支持服務(wù)器之家。
原文鏈接：https://blog.csdn.net/y534560449/article/details/116232595
