微信接口示范代码，第一次使用直接上传到自己的空间获取地址然后复制到微信公众平台上，token值默认为weixin，提交成功后修改valid-Micro-communication interface demonstration code, the first use of uploaded directly to their own space to obtain an address and then copied to the micro letter public platform, token value defaults to weixin submitted successfully modified to valid