微信公众号(一)获取access_token这里是引用
https://blog.csdn.net/FORLOVEHUAN/article/details/81512556
微信公众号(二)获取用户列表
https://blog.csdn.net/FORLOVEHUAN/article/details/82760618
微信公众号群发(三)群发消息
https://blog.csdn.net/forlovehuan/article/details/82760965
org.apache.commons.httpclient下载地址
https://download.csdn.net/download/forlovehuan/10674362
实现群发消息
https://blog.csdn.net/qq_28550739/article/details/78012669?depth_1-utm_source=distribute.pc_relevant.none-task&utm_source=distribute.pc_relevant.none-task
php群发
https://blog.csdn.net/qq_28506819/article/details/77986569?depth_1-utm_source=distribute.pc_relevant.none-task&utm_source=distribute.pc_relevant.none-task文章链接