Java执行shell命令或cmd命令

执行命令加前缀

cmd命令 ： cmd /c

shell命令： shell -c

publicstaticvoid exeCmd(String commandStr) throws Exception {              BufferedReader br = null;              try {                  Process p = Runtime.getRuntime().exec(commandStr);                  br = new BufferedReader(new InputStreamReader(p.getInputStream()));                  String line = null;                  StringBuilder sb = new StringBuilder();                  while ((line = br.readLine()) != null) {                      sb.append(line + "\n");                  }                  System.out.println(sb.toString());              } catch (Exception e) {                  throw e;             }               finally              {                  if (br != null)                  {                      try {                          br.close();                      } catch (Exception e) {                          throw e;                     }                  }              }          }