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get_method_form.go
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/
get_method_form.go
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package main
import (
"fmt"
"github.com/bluele/gforms"
"net/http"
"text/template"
)
var tplText string = `
<form method="get">
{{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>
`
func main() {
tpl, _ := template.New("tpl").Parse(tplText)
searchForm := gforms.DefineForm(
gforms.NewFields(
gforms.NewTextField(
"query",
gforms.Validators{
gforms.Required(),
gforms.MinLengthValidator(2),
},
),
))
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/html")
form := searchForm.FromUrlValues(r.URL.Query())
if !form.IsValid() {
tpl.Execute(w, form)
return
}
fmt.Fprintf(w, "input query: %v", form.CleanedData["query"])
})
http.ListenAndServe(":9000", nil)
}