一个需求开发文档要怎么写，比如登录注册权限保坐到1级目录，目录管理，要写多详细，写一个流程还是
开发环境，技术选型，项目功能需求，人员分配等等，具体参照https://blog.csdn.net/Zonzereal/article/details/76704455?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522164759454416781685397580%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=164759454416781685397580&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_ecpm_v1~rank_v31_ecpm-2-76704455.nonecase&utm_term=java%E9%9C%80%E6%B1%82%E5%BC%80%E5%8F%91%E6%96%87%E6%A1%A3%E6%80%8E%E4%B9%88%E5%86%99&spm=1018.2226.3001.4450
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