https://bigpigeon.org/post/go-text-template/
https://my.oschina.net/achun/blog/131558
https://www.cnblogs.com/f-ck-need-u/p/10035768.html
https://www.cnblogs.com/wanghui-garcia/p/10385062.html
https://cloud.tencent.com/developer/article/1683688 https://cloud.tencent.com/developer/section/1142456
https://colobu.com/2019/11/05/Golang-Templates-Cheatsheet/
cd /usr/local/go/src/html/template
% tree . |____testdata | |____file1.tmpl | |____tmpl1.tmpl | |____fs.zip | |____tmpl2.tmpl | |____file2.tmpl |____clone_test.go |____error.go |____examplefiles_test.go |____example_test.go |____content_test.go |____escape.go |____exec_test.go |____transition_test.go |____multi_test.go |____js_test.go |____element_string.go |____urlpart_string.go |____transition.go |____css_test.go |____template_test.go |____html.go |____state_string.go |____js.go |____html_test.go |____delim_string.go |____template.go |____doc.go |____context.go |____attr_string.go |____content.go |____css.go |____url.go |____escape_test.go |____attr.go |____url_test.go |____jsctx_string.go
cd /usr/local/go/src/text/template . |____option.go |____examplefunc_test.go |____testdata | |____file1.tmpl | |____tmpl1.tmpl | |____tmpl2.tmpl | |____file2.tmpl |____examplefiles_test.go |____example_test.go |____exec_test.go |____link_test.go |____multi_test.go |____parse | |____lex_test.go | |____lex.go | |____parse_test.go | |____node.go | |____parse.go |____exec.go |____template.go |____helper.go |____doc.go |____funcs.go
https://blog.csdn.net/somanlee/article/details/108304525
https://blog.csdn.net/fangkang7/article/details/105045514
https://studygolang.com/articles/12348?fr=sidebar
https://stackoverflow.com/questions/38681718/golang-reflect-how-to-get-map-value-type