Runtime.getRuntime().exec(...)使用方法

如果想要了解更多的信息，參閱代碼里面給的鏈接?

下面是這個正確的例子?

public?class?RuntimeExec?{ ??

????/**??

?????*?Runtime?execute.??

?????*??

?????*?@param?cmd?the?command.??

?????*?@return?success?or?failure??

?????*?@see?{@link?http://www.javaworld.com/javaworld/jw-12-2000/jw-1229-traps.html?page=4}?

?????*?@since?1.1??

?????*/??

????public?static?boolean?runtimeExec(String?cmd)?{ ??

????????try?{ ??

????????????Process?proc?=?Runtime.getRuntime().exec(new?String[]{"/bin/sh",?"-c",?cmd}); ??

??

????????????//?any?error?message????

????????????StreamGobbler?errorGobbler?=?new?StreamGobbler(proc.getErrorStream(),?"ERROR"); ??

??

????????????//?any?output????

????????????StreamGobbler?outputGobbler?=?new?StreamGobbler(proc.getInputStream(),?"OUTPUT"); ??

??

????????????//?kick?them?off???

????????????errorGobbler.start(); ??

????????????outputGobbler.start(); ??

??

??

????????????if?(proc.waitFor()?!=?0)?{ ??

????????????????System.err.println("執行\""?+?cmd?+?"\"時返回值="?+?proc.exitValue()); ??

????????????????return?false; ??

????????????}?else?{ ??

????????????????return?true; ??

????????????} ??

????????}?catch?(Exception?e)?{ ??

????????????e.printStackTrace(); ??

????????????return?false; ??

????????} ??

????} ??

??

????static?class?StreamGobbler?extends?Thread?{ ??

????????InputStream?is; ??

????????String?type; ??

??

????????StreamGobbler(InputStream?is,?String?type)?{ ??

????????????this.is?=?is; ??

????????????this.type?=?type; ??

????????} ??

??

????????public?void?run()?{ ??

????????????try?{ ??

????????????????InputStreamReader?isr?=?new?InputStreamReader(is); ??

????????????????BufferedReader?br?=?new?BufferedReader(isr); ??

????????????????String?line?=?null; ??

????????????????while?((line?=?br.readLine())?!=?null) ??

????????????????????System.out.println(type?+?">"?+?line); ??

????????????}?catch?(IOException?ioe)?{ ??

????????????????ioe.printStackTrace(); ??

????????????} ??

????????} ??

????} ??

??

} ?

轉載于:https://www.cnblogs.com/duyinqiang/p/5696742.html

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