Golang MaxLengthValidator示例

示例#1

文件： list.go 项目： kwn/golang-lists

func List() gforms.Form {
	return gforms.DefineForm(gforms.NewFields(
		gforms.NewTextField(
			"type",
			gforms.Validators{
				gforms.Required(),
				gforms.MaxLengthValidator(255),
			},
		),
		gforms.NewTextField(
			"name",
			gforms.Validators{
				gforms.Required(),
				gforms.MaxLengthValidator(255),
			},
		),
		gforms.NewTextField(
			"color",
			gforms.Validators{
				gforms.Required(),
				gforms.MaxLengthValidator(255),
				gforms.RegexpValidator(`(white|black|light_pink|pink)`),
			},
		),
	))
}

示例#2

文件： simple_form.go 项目： kiasaki/kauthie

func main() {
	tplText := `<form method="post">{{range $i, $field := .Fields}}
  <label>{{$field.GetName}}: </label>{{$field.Html}}
  {{range $ei, $err := $field.Errors}}<label class="error">{{$err}}</label>{{end}}<br />
{{end}}<input type="submit">
</form>
  `
	tpl := template.Must(template.New("tpl").Parse(tplText))

	userForm := gforms.DefineForm(gforms.NewFields(
		gforms.NewTextField(
			"name",
			gforms.Validators{
				gforms.Required(),
				gforms.MaxLengthValidator(32),
			},
		),
		gforms.NewFloatField(
			"weight",
			gforms.Validators{},
		),
	))

	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "text/html")
		form := userForm(r)
		if r.Method != "POST" {
			tpl.Execute(w, form)
			return
		}
		if !form.IsValid() {
			tpl.Execute(w, form)
			return
		}
		user := User{}
		form.MapTo(&user)
		fmt.Fprintf(w, "ok: %v", user)
	})

	http.ListenAndServe(":9000", nil)
}

示例#3

文件： login_form.go 项目： kiasaki/kauthie

func main() {
	tpl, _ := template.New("tpl").Parse(tplText)
	loginForm := gforms.DefineForm(
		gforms.NewFields(
			gforms.NewTextField(
				"email",
				gforms.Validators{
					gforms.Required(),
					gforms.MinLengthValidator(4),
					gforms.EmailValidator(),
				},
			),
			gforms.NewTextField(
				"password",
				gforms.Validators{
					gforms.Required(),
					gforms.MinLengthValidator(4),
					gforms.MaxLengthValidator(16),
				},
				gforms.PasswordInputWidget(map[string]string{}),
			),
		))
	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "text/html")
		form := loginForm(r)
		if r.Method != "POST" {
			tpl.Execute(w, form)
			return
		}
		if !form.IsValid() {
			tpl.Execute(w, form)
			return
		}
		user := User{}
		form.MapTo(&user)
		fmt.Fprintf(w, "ok: %v", user)
	})
	http.ListenAndServe(":9000", nil)
}

示例#4

文件： forms.go 项目： pombredanne/djangogo

package forms

import (
	"github.com/bluele/gforms"
)

var authentication = gforms.DefineForm(
	gforms.NewFields(
		gforms.NewTextField(
			"email",
			gforms.Validators{
				gforms.Required(),
				gforms.MinLengthValidator(4),
				gforms.EmailValidator(),
			},
		),
		gforms.NewTextField(
			"password",
			gforms.Validators{
				gforms.Required(),
				gforms.MinLengthValidator(4),
				gforms.MaxLengthValidator(16),
			},
			gforms.PasswordInputWidget(map[string]string{}),
		),
	))