使用file-saver导出文件

使用file-saver导出文件：https://blog.csdn.net/guizi0809/article/details/119421502?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522170246311516800192248321%2522%252C%2522scm%2522%253A%252220140713.130102334..%2522%257D&request_id=170246311516800192248321&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~top_click~default-1-119421502-null-null.142^v96^pc_search_result_base1&utm_term=file-saver%E7%94%A8%E6%B3%95&spm=1018.2226.3001.4187