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