public class ExecCommond{
public ExecCommond(){}
/**
* 执行一条命令
* @param execStr String 命令字符串
* @return String 执行命令错误时的信息。
*/
public static String exec(String execStr) {
Runtime runtime = Runtime.getRuntime(); 取得当前运行期对象
String outInfo=""; //执行错误的输出信息
try {
String[] args = new String[] {"sh", "-c", execStr};//执行linux下的命令
//执行windows下的命令
// String[] args = new String[] {"cmd", "-c", execStr};
Process proc = runtime.exec(args); //启动另一个进程来执行命令
InputStream in = proc.getErrorStream();//得到错误信息输出。
BufferedReader br = new BufferedReader(new InputStreamReader(in));
String line = "";
while ( (line = br.readLine())
!= null) {
outInfo = outInfo + line + "\n";
System.out.println(outInfo);
}
// 检查命令是否失败。
try {
if (proc.waitFor() != 0) {
System.err.println("exit value = " +
proc.exitValue());
}
}
catch (InterruptedException e) {
System.err.print(e);
e.printStackTrace();
}
}
catch (IOException e) {
flag = false;
System.out.println("exec error: " + e.getMessage());
e.printStackTrace();
}
finally {
return outInfo;
}
}
}
本文地址:http://com.8s8s.com/it/it12446.htm