$this->handle_ = @fopen($this->device, "r+b");
if ($this->handle_ !== false)
{
stream_set_blocking($this->handle_, 0);
trigger_error("open the device success", E_USER_WARNING);
return true;
}
else{
trigger_error("Unable to open the device", E_USER_WARNING);
return false;
}
总是提示“Unable to open the device”,不知道什么问题
if ($this->handle_ !== false)
{
stream_set_blocking($this->handle_, 0);
trigger_error("open the device success", E_USER_WARNING);
return true;
}
else{
trigger_error("Unable to open the device", E_USER_WARNING);
return false;
}
总是提示“Unable to open the device”,不知道什么问题
解决方案 »
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