Pro / con使用Angular指令进行复杂的表单验证/ GUI操作

I am building a new SPA front end to replace an existing enterprise's legacy hodgepodge of systems that are outdated and in need of updating. I am new to angular, and wanted to see if the community could give me some perspective. I'll state my problem, and then ask my question.I am building a new SPA front end to replace an