https://www.apiopen.top/api.html    一些api接口

https://tinypng.com/  在线压缩图片

https://www.cnblogs.com/tandaxia/p/8810648.html     nginx  配置异常解决

http://www.ruanyifeng.com/blog/2015/07/flex-grammar.html      Flex讲解

https://www.iconfont.cn/search/index?searchType=icon&q=%E5%8F%91%E5%B8%83&page=1    阿里图标库

https://blog.csdn.net/LisztCoder/article/details/78062374   ios常用第三方库

https://www.jianshu.com/p/534054a8c897   ios 状态栏讲解