// 验证码表单域
func CaptchaForm(args ...string) template.HTML {
var id string
if len(args) == 0 {
id = "captcha"
} else {
id = args[0]
}
captchaId := captcha.New()
return template.HTML(fmt.Sprintf(`<img id="`+id+`Image" src="%scaptcha/%s.png" alt="Captcha image" onclick="this.src=this.src.split('?')[0]+'?reload='+Math.random();" /><input type="hidden" name="captchaId" id="`+id+`Id" value="%s" />`, `/`, captchaId, captchaId))
}
func (this *Captcha) Reload() (err error) {
err, _ = this.checkRefer(func() error {
d := struct{ Id string }{Id: C.New()}
this.Output.Data = d
return nil
})
if err != nil {
return err
}
return this.Display()
}
func showFormHandler(w http.ResponseWriter, r *http.Request) {
if r.URL.Path != "/" {
http.NotFound(w, r)
return
}
d := struct {
CaptchaId string
}{
captcha.New(),
}
if err := formTemplate.Execute(w, &d); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}