package com.ruoyi.utils.process;
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import lombok.extern.slf4j.Slf4j;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.nio.charset.Charset;
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import java.util.List;
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import java.util.Map;
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/**
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* @Description: cmd命令工具类
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* @ClassName: CmdUtils
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* @Author: 刘苏义
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* @Date: 2023年07月29日13:24:21
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* @Version: 1.0
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**/
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@Slf4j(topic = "cmd")
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public class CmdUtils {
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//启动命令1
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public static void commandStart(String processName, List<String> command, Map<String, String> env) {
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log.debug("启动外部程序:【" + processName+"】");
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// command.forEach(v -> log.debug(v + " "));
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log.debug(String.join(" ", command));
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ProcessBuilder builder = new ProcessBuilder();
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// 获取子进程的环境变量映射
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if (env != null) {
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env.entrySet().forEach(entry -> {
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log.debug(entry.getKey() + ":" + entry.getValue());
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});
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Map<String, String> envMap = builder.environment();
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envMap.putAll(env);
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}
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//正常信息和错误信息合并输出
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builder.redirectErrorStream(true);
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builder.command(command);
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//开始执行命令
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Process process = null;
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try {
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process = builder.start();
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//如果你想获取到执行完后的信息，那么下面的代码也是需要的
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// String line = "";
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// BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream()));
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// while ((line = br.readLine()) != null) {
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// System.out.println(line);
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// }
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} catch (IOException e) {
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log.error("cmd异常:" + e.getMessage());
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}
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}
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// 结束指定名称的进程
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public static void stopProcess(String processName) {
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log.debug("尝试结束进程:" + processName);
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ProcessBuilder builder = new ProcessBuilder("taskkill", "/F", "/IM", processName);
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Process process;
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try {
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process = builder.start();
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//如果你想获取到执行完后的信息，那么下面的代码也是需要的
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String line = "";
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BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream(), Charset.forName("GBK")));
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while ((line = br.readLine()) != null) {
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log.debug("回显:" + line);
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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// 检查指定名称的进程是否正在运行
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public static boolean isProcessRunning(String processName) {
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try {
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ProcessBuilder builder = new ProcessBuilder("tasklist");
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Process process = builder.start();
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BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
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String line;
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while ((line = reader.readLine()) != null) {
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if (line.contains(processName)) {
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log.debug("进程" + processName + "已存在");
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return true;
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}
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}
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reader.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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log.debug("进程" + processName + "不存在");
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return false;
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}
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//启动命令2
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public static void commandStart(String[] command) {
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//构建启动命令，使用cmd /c start命令来启动可执行程序并显示命令提示符窗口
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ProcessBuilder processBuilder = new ProcessBuilder(command);
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processBuilder.redirectErrorStream(true); // 将错误输出重定向到标准输出
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Process process = null;
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try {
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process = processBuilder.start();
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} catch (IOException e) {
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e.printStackTrace();
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}
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//如果你想等待程序完成
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try {
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int exitCode = process.waitFor();
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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}
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