面试题网址：https://download.csdn.net/download/wee616/12524533?spm=1001.2014.3001.5501

http请求:https://blog.csdn.net/weixin_42981419/article/details/86162244?utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromMachineLearnPai2%7Edefault-1.control&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromMachineLearnPai2%7Edefault-1.control