java 调用doc命令

最新推荐文章于 2023-08-15 15:53:07 发布

原创最新推荐文章于 2023-08-15 15:53:07 发布 · 238 阅读

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本文提供了一个Java程序示例，演示了如何通过Java代码调用系统的CMD命令行并执行特定的bat批处理文件。此外，还展示了如何读取命令执行后的输出和错误流。

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java 调用doc命令

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class CMDExecRun {

/**
* @param args
* @throws IOException
* @throws InterruptedException
*/
public static void main(String[] args) throws IOException, InterruptedException {
  Process process=Runtime.getRuntime().exec("D:/Program_Files/Java/jdk1.6.0_30/bin/java");
  BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream(), "GBK"));
   String line;
    while ((line = br.readLine()) != null) {
     System.out.println(line);
    }
    br = new BufferedReader(new InputStreamReader(process.getErrorStream(), "gbk"));
    while ((line = br.readLine()) != null) {
      //System.err.println(line);
    }
    // 当前线程等待该process结束，既挂起主线程
    process.waitFor();

}

======================

把命令写到文件里

=========================================================

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class CMDExecRun {

/**
* @param args
* @throws IOException
* @throws InterruptedException
*/
public static void main(String[] args) throws IOException, InterruptedException {
  String str="testrun.bat";
  Process process=Runtime.getRuntime().exec(str);

  BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream(), "GBK"));
   String line;
    while ((line = br.readLine()) != null) {
     System.out.println(line);
    }
    br = new BufferedReader(new InputStreamReader(process.getErrorStream(), "gbk"));
    while ((line = br.readLine()) != null) {
      //System.err.println(line);
    }
    //等待子进程完成再往下执行。

    process.waitFor();

}