From 18951009555857960d2dfb1478f0dd351055b866 Mon Sep 17 00:00:00 2001 From: delphinus Date: Sun, 22 Apr 2018 11:18:33 +0900 Subject: [PATCH] Add example to build single binary with templates --- examples/assets-in-binary/README.md | 33 ++++++++++++++++ examples/assets-in-binary/html/bar.tmpl | 4 ++ examples/assets-in-binary/html/index.tmpl | 4 ++ examples/assets-in-binary/main.go | 48 +++++++++++++++++++++++ 4 files changed, 89 insertions(+) create mode 100644 examples/assets-in-binary/README.md create mode 100644 examples/assets-in-binary/html/bar.tmpl create mode 100644 examples/assets-in-binary/html/index.tmpl create mode 100644 examples/assets-in-binary/main.go diff --git a/examples/assets-in-binary/README.md b/examples/assets-in-binary/README.md new file mode 100644 index 00000000..0c23bb0d --- /dev/null +++ b/examples/assets-in-binary/README.md @@ -0,0 +1,33 @@ +# Building a single binary containing templates + +This is a complete example to create a single binary with the +[gin-gonic/gin][gin] Web Server with HTML templates. + +[gin]: https://github.com/gin-gonic/gin + +## How to use + +### Prepare Packages + +``` +go get github.com/gin-gonic/gin +go get github.com/jessevdk/go-assets-builder +``` + +### Generate assets.go + +``` +go-assets-builder html -o assets.go +``` + +### Build the server + +``` +go build -o assets-in-binary +``` + +### Run + +``` +./assets-in-binary +``` diff --git a/examples/assets-in-binary/html/bar.tmpl b/examples/assets-in-binary/html/bar.tmpl new file mode 100644 index 00000000..c8e1c0ff --- /dev/null +++ b/examples/assets-in-binary/html/bar.tmpl @@ -0,0 +1,4 @@ + + +

Can you see this? → {{.Bar}}

+ diff --git a/examples/assets-in-binary/html/index.tmpl b/examples/assets-in-binary/html/index.tmpl new file mode 100644 index 00000000..6904fd58 --- /dev/null +++ b/examples/assets-in-binary/html/index.tmpl @@ -0,0 +1,4 @@ + + +

Hello, {{.Foo}}

+ diff --git a/examples/assets-in-binary/main.go b/examples/assets-in-binary/main.go new file mode 100644 index 00000000..27bc3b17 --- /dev/null +++ b/examples/assets-in-binary/main.go @@ -0,0 +1,48 @@ +package main + +import ( + "html/template" + "io/ioutil" + "net/http" + "strings" + + "github.com/gin-gonic/gin" +) + +func main() { + r := gin.New() + t, err := loadTemplate() + if err != nil { + panic(err) + } + r.SetHTMLTemplate(t) + r.GET("/", func(c *gin.Context) { + c.HTML(http.StatusOK, "/html/index.tmpl", gin.H{ + "Foo": "World", + }) + }) + r.GET("/bar", func(c *gin.Context) { + c.HTML(http.StatusOK, "/html/bar.tmpl", gin.H{ + "Bar": "World", + }) + }) + r.Run(":8080") +} + +func loadTemplate() (*template.Template, error) { + t := template.New("") + for name, file := range Assets.Files { + if file.IsDir() || !strings.HasSuffix(name, ".tmpl") { + continue + } + h, err := ioutil.ReadAll(file) + if err != nil { + return nil, err + } + t, err = t.New(name).Parse(string(h)) + if err != nil { + return nil, err + } + } + return t, nil +}