java µ÷ÓÃwinrarÃüÁî

public static boolean winrar(String zipfile,String foler){
String rarPath="C:\\Program Files\\WinRAR\\WinRAR.exe";
String cmd=rarPath+" a "+zipfile+" "+foler;//rarPath ÎļþÃû£»foler ½«ÒªÑ¹ËõµÄÎļþÃû
try{
Process proc=Runtime.getRuntime().exec(cmd);
if(proc.waitFor() !=0){
if(proc.exitValue()==0)
  return true;
}
}catch(Exception e){
e.printStackTrace();
}
return false;
}
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Runtime.getRuntime().exec("cmd /c cd");
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»¹ÓÐÒ»µã¡£winϵ÷ÓÃcmdÃüÁî¡£²»ÒªÊ¹ÓÃwaitFor()·½·¨¡£

³­À´µÄ£ºYou need to drain the input stream to prevent because failure to
promptly write the input stream or read the output stream of the
subprocess may cause the subprocess to block, and even deadlock.

²Î¿¼Ò»Ï£ºhttp://www.java-tips.org/java-se-tips/java.util/from-runtime.exec-to-processbuilder.html

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String cmd=rarPath+" a "+zipfile+" "+foler;//rarPath ÎļþÃû£»foler ½«ÒªÑ¹ËõµÄÎļþÃû

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String cmd