短信发送代码，已经验证可以发送 步骤一：下载javacomm20-win32.zip 步骤二：com4端口上接上GSM猫，或者改变源代码 OK-Send message code, has to verify the steps to send one: Download javacomm20-win32.zip Step 2: com4 port connected to GSM cats, or changing the