Java CMD命令

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//一般的执行方法，有时执行exe会卡在那    stmt要执行的命令         public static void executive(String stmt) throws IOException, InterruptedException {             Runtime runtime = Runtime.getRuntime();  //获取Runtime实例             //执行命令                try {                        String[] command = {"cmd", "/c", stmt};                        Process process = runtime.exec(command);                        // 标准输入流（必须写在 waitFor 之前）                        String inStr = consumeInputStream(process.getInputStream());                        // 标准错误流（必须写在 waitFor 之前）                        String errStr = consumeInputStream(process.getErrorStream()); //若有错误信息则输出                        int proc = process.waitFor();                        if (proc == 0) {                            System.out.println("执行成功");                        } else {                            System.out.println("执行失败" + errStr);                        }                   } catch (IOException | InterruptedException e) {                        e.printStackTrace();                    }       }     /**     消费inputstream，并返回          */   public static String consumeInputStream(java.io.InputStream is) throws IOException {                java.io.BufferedReader br = new java.io.BufferedReader(new java.io.InputStreamReader(is,"GBK"));                String s;                StringBuilder sb = new StringBuilder();                while ((s = br.readLine()) != null) {                        System.out.println(s);                        sb.append(s);                    }                return sb.toString();            }