1.header.tmpl
1 {{define ' header '}}2 <HTML>3 <Head>4 <title>Presentation Information</title>5 </Head>6 <Body>7{{End}}
2. Content.tmpl
1 {{define "content"}}2 {{Template ' header '}}3 <H1>Demo nesting</H1>4 <ul>5 <Li>Nesting using define to define child templates</Li>6 <Li>Call using template</Li>7 </ul>8 {{Template ' footer '}}9{{End}}
3. Footer.tmpl
1 {{define ' footer '}} 2 </ Body > 3 </ HTML > 4 {{END}}4. Main.go
1 Package Main2 3 Import (4 "FMT"5 "html/template"6 "OS"7 "Strings"8 )9 Ten type person struct { One UserName String A Emails []string -Friends []*Friend - } the - type Friend struct { - Fname String - } + - func emaildealwith (args ... interface{}) string { +OK: =false A var s string at ifLen (args) = = 1 { -s, OK =Args[0]. (string) - } - if!ok { -s =FMT. Sprint (args) - } inSubstrs: = Strings. Split (S,"@") - ifLen (substrs)! = 2 { to returns + } - return(Substrs[0] +" at"+ substrs[1]) the } * $ Func Main () {Panax Notoginseng demo1 () - Demo2 () the Demo3 () + Demo4 () A } the + func demo1 () { -T: = template. New ("FieldName Example") $T, _ = T.parse ("Hello {{. username}}!") $P: = person{username:"Zhangsan"} - t.execute (OS. Stdout, p) - } the - func Demo2 () {WuyiF1: = Friend{fname:"minux.ma"} theF2: = friend{fname:"Xushiwei"} -T: = template. New ("FieldName Example") Wut = T.funcs (template. funcmap{"Emaildeal": Emaildealwith})//How template functions are used -T, _ =T.parse (' About Hello {{. username}}! $ {{range.} Emails}} -An email {{. |Emaildeal}} - {{end}} - {{with. Friends}} A {{range.}} +My friend name is {{. Fname}} the {{end}} - {{end}} ') $P: = person{username:"Astaxie", theEmails: []string{"astaxie@beego.me","astaxie@gmail.com"}, theFriends: []*friend{&f1, &F2}} the t.execute (OS. Stdout, p) the } - in func Demo3 () { theTempty: = template. New ("Template Test") the//must its role is to detect if the template is correct, such as whether the braces match, whether the comment is closed correctly, and whether the variable is written correctly AboutTempty = template. Must (Tempty.parse ("NULL pipeline if Demo:{{if '}} does not return output. {{end}}\n")) the tempty.execute (OS. Stdout, nil) the theTwithvalue: = template. New ("Template Test") +Twithvalue = template. Must (Twithvalue.parse ("Pipeline If Demo: {{if ' anything '}} I have the content and I will output it. {{end}}\n")) - twithvalue.execute (OS. Stdout, nil) the BayiTifelse: = template. New ("Template Test") theTifelse = template. Must (Tifelse.parse ("if-else demo:{{if ' anything '}} if section {{Else}} else part. {{end}}\n")) the tifelse.execute (OS. Stdout, nil) - } - the func Demo4 () { theS1, _: = template. Parsefiles ("Header.tmpl","Content.tmpl","Footer.tmpl") theS1. Executetemplate (OS. Stdout,"Header", nil) the FMT. Println () -S1. Executetemplate (OS. Stdout,"content", nil) the FMT. Println () theS1. Executetemplate (OS. Stdout,"Footer", nil) the FMT. Println ()94 S1. Execute (OS. Stdout, nil) the}
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