1 // Copyright 2011 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package template_test 6 7 import ( 8 "log" 9 "os" 10 "text/template" 11 ) 12 13 func ExampleTemplate() { 14 // Define a template. 15 const letter = ` 16 Dear {{.Name}}, 17 {{if .Attended}} 18 It was a pleasure to see you at the wedding.{{else}} 19 It is a shame you couldn't make it to the wedding.{{end}} 20 {{with .Gift}}Thank you for the lovely {{.}}. 21 {{end}} 22 Best wishes, 23 Josie 24 ` 25 26 // Prepare some data to insert into the template. 27 type Recipient struct { 28 Name, Gift string 29 Attended bool 30 } 31 var recipients = []Recipient{ 32 {"Aunt Mildred", "bone china tea set", true}, 33 {"Uncle John", "moleskin pants", false}, 34 {"Cousin Rodney", "", false}, 35 } 36 37 // Create a new template and parse the letter into it. 38 t := template.Must(template.New("letter").Parse(letter)) 39 40 // Execute the template for each recipient. 41 for _, r := range recipients { 42 err := t.Execute(os.Stdout, r) 43 if err != nil { 44 log.Println("executing template:", err) 45 } 46 } 47 48 // Output: 49 // Dear Aunt Mildred, 50 // 51 // It was a pleasure to see you at the wedding. 52 // Thank you for the lovely bone china tea set. 53 // 54 // Best wishes, 55 // Josie 56 // 57 // Dear Uncle John, 58 // 59 // It is a shame you couldn't make it to the wedding. 60 // Thank you for the lovely moleskin pants. 61 // 62 // Best wishes, 63 // Josie 64 // 65 // Dear Cousin Rodney, 66 // 67 // It is a shame you couldn't make it to the wedding. 68 // 69 // Best wishes, 70 // Josie 71 } 72
