#instalation
just copy and paste the code in your code editor, and run
go mod init <project-name>
go mod tidy
Created
July 27, 2024 13:46
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Go + htmx simple sample
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| package main | |
| import ( | |
| "html/template" | |
| "io" | |
| "log" | |
| "net/http" | |
| "github.com/labstack/echo/v4" | |
| ) | |
| // TemplateRenderer is a custom html/template renderer for Echo framework | |
| type TemplateRenderer struct { | |
| templates *template.Template | |
| } | |
| // Render renders a template document | |
| func (t *TemplateRenderer) Render(w io.Writer, name string, data interface{}, c echo.Context) error { | |
| // Add global methods if data is a map | |
| if viewContext, isMap := data.(map[string]interface{}); isMap { | |
| viewContext["reverse"] = c.Echo().Reverse | |
| } | |
| return t.templates.ExecuteTemplate(w, name, data) | |
| } | |
| func main() { | |
| e := echo.New() | |
| // e.Use(middleware.Logger()) | |
| // e.Use(middleware.Recover()) | |
| renderer := &TemplateRenderer{ | |
| templates: template.Must(template.ParseGlob("*.html")), | |
| } | |
| e.Renderer = renderer | |
| e.GET("users", func(c echo.Context) error { | |
| out := getUsers() | |
| return c.Render(http.StatusOK, "user.html", out) | |
| }) | |
| e.POST("users", func(c echo.Context) error { | |
| user := new(User) | |
| if err := c.Bind(user); err != nil { | |
| return err | |
| } | |
| inputUser(user) | |
| out := getUsers() | |
| return c.Render(http.StatusOK, "user.html", out) | |
| }) | |
| e.Logger.Fatal(e.Start(":8000")) | |
| } | |
| //user | |
| type User struct { | |
| Name string `form:"name"` | |
| Age int64 `form:"age"` | |
| } | |
| var dataUsers []User | |
| func getUsers() (users []User) { | |
| return dataUsers | |
| } | |
| func inputUser(in *User) User { | |
| dataUsers = append(dataUsers, *in) | |
| return *in | |
| } |
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| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0" /> | |
| <script src="https://cdn.tailwindcss.com"></script> | |
| <script | |
| src="https://unpkg.com/[email protected]" | |
| integrity="sha384-QWGpdj554B4ETpJJC9z+ZHJcA/i59TyjxEPXiiUgN2WmTyV5OEZWCD6gQhgkdpB/" | |
| crossorigin="anonymous" | |
| ></script> | |
| </head> | |
| <body> | |
| <h1 class="text-3xl font-bold underline">Hello world!</h1> | |
| <form action="/users" method="post" class="my-4"> | |
| <label for="name">Name</label> | |
| <input | |
| class="form-input border" | |
| type="text" | |
| id="name" | |
| name="name" | |
| /><br /><br /> | |
| <label for="age">Age</label> | |
| <input class="form-input border" type="text" name="age" id="age" /> | |
| <button type="submit">save</button> | |
| </form> | |
| <table class="p-4 border-collapse border border-slate-500"> | |
| <thead> | |
| <tr> | |
| <th class="px-4 border border-slate-600">Name</th> | |
| <th class="px-4 border border-slate-600">Age</th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| {{- range . }} | |
| <tr> | |
| <td class="px-4 border border-slate-700">{{ .Name }}</td> | |
| <td class="px-4 border border-slate-700">{{ .Age }}</td> | |
| </tr> | |
| {{ end -}} | |
| </tbody> | |
| </table> | |
| </body> | |
| </html> |
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