用Java执行外部程序
我试图制作一个调用外部程序的应用程序,我必须传递两个参数。它没有任何错误。用c ++编写的program.exe可以拍照并修改txt文件的内容。Java程序可以运行,但是什么也没做
这是我的示例代码
String[] params = new String [3]; params[0] = "C:\\Users\\user\\Desktop\\program.exe";
params[1] = "C:\\Users\\user\\Desktop\\images.jpg";
params[2] = "C:\\Users\\user\\Desktop\\images2.txt";
Runtime.getRuntime().exec(params);
回答:
从这里可耻地借来的
Process process = new ProcessBuilder("C:\\PathToExe\\MyExe.exe","param1","param2").start();InputStream is = process.getInputStream();
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
String line;
System.out.printf("Output of running %s is:", Arrays.toString(args));
while ((line = br.readLine()) != null) {
System.out.println(line);
}
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