我有这样的地方我发送到模板年数据(这是结构的切片)。如何AcaYear仅访问第二项(结构)的模板侧字段?整个第二项我可以访问为{{index . 1 }}. 我还可以在切片上进行范围并获取AcaYear所有项目的字段。但只需要AcaYear第二项的字段(结果应该是2021-2022)。package mainimport ( "log" "os" "text/template")type course struct { Number string Name string Units string}type semester struct { Term string Courses []course}type year struct { AcaYear string Fall semester Spring semester Summer semester}var tpl *template.Templatefunc init() { tpl = template.Must(template.ParseFiles("tpl.gohtml"))}func main() { years := []year{ year{ AcaYear: "2020-2021", Fall: semester{ Term: "Fall", Courses: []course{ course{"CSCI-40", "Introduction to Programming in Go", "4"}, course{"CSCI-130", "Introduction to Web Programming with Go", "4"}, course{"CSCI-140", "Mobile Apps Using Go", "4"}, }, }, Spring: semester{ Term: "Spring", Courses: []course{ course{"CSCI-50", "Advanced Go", "5"}, course{"CSCI-190", "Advanced Web Programming with Go", "5"}, course{"CSCI-191", "Advanced Mobile Apps With Go", "5"}, }, }, }, year{ AcaYear: "2021-2022", Fall: semester{ Term: "Fall", Courses: []course{ course{"CSCI-40", "Introduction to Programming in Go", "4"}, course{"CSCI-130", "Introduction to Web Programming with Go", "4"}, course{"CSCI-140", "Mobile Apps Using Go", "4"}, }, },
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