Java调用系统执行程序(OS Command)

发表日期：2008-1-5

　　以下代码在windows2000上可以运新哦。
SayHi.exe为任意的一个执行程序。
public static void main(String args[]) {
String s = null;
// system command to run
String cmd = "cmd /c c:/SayHi.exe";
// set the working Directory for the OS command processor
File workDir = new File("c:\\");

try {
Process p = Runtime.getRuntime().exec(cmd, null, workDir);
int i = p.waitFor();
if (i == 0) {
BufferedReader stdInput =
new BufferedReader(
new InputStreamReader(p.getInputStream()));
// read the output from the command
while ((s = stdInput.readLine()) != null) {
System.out.println(s);
}
} else {
BufferedReader stdErr =
new BufferedReader(
new InputStreamReader(p.getErrorStream()));
// read the output from the command
while ((s = stdErr.readLine()) != null) {
System.out.println(s);
}

}
} catch (Exception e) {
System.out.println(e);
}
}

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