73 lines
1.5 KiB
Go
73 lines
1.5 KiB
Go
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// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package template_test
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import (
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"log"
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"os"
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"github.com/alecthomas/template"
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)
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func ExampleTemplate() {
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// Define a template.
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const letter = `
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Dear {{.Name}},
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{{if .Attended}}
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It was a pleasure to see you at the wedding.{{else}}
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It is a shame you couldn't make it to the wedding.{{end}}
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{{with .Gift}}Thank you for the lovely {{.}}.
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{{end}}
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Best wishes,
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Josie
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`
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// Prepare some data to insert into the template.
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type Recipient struct {
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Name, Gift string
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Attended bool
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}
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var recipients = []Recipient{
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{"Aunt Mildred", "bone china tea set", true},
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{"Uncle John", "moleskin pants", false},
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{"Cousin Rodney", "", false},
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}
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// Create a new template and parse the letter into it.
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t := template.Must(template.New("letter").Parse(letter))
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// Execute the template for each recipient.
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for _, r := range recipients {
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err := t.Execute(os.Stdout, r)
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if err != nil {
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log.Println("executing template:", err)
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}
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}
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// Output:
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// Dear Aunt Mildred,
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//
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// It was a pleasure to see you at the wedding.
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// Thank you for the lovely bone china tea set.
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//
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// Best wishes,
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// Josie
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//
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// Dear Uncle John,
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//
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// It is a shame you couldn't make it to the wedding.
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// Thank you for the lovely moleskin pants.
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//
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// Best wishes,
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// Josie
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//
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// Dear Cousin Rodney,
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//
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// It is a shame you couldn't make it to the wedding.
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//
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// Best wishes,
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// Josie
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}
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