schema
Package gorilla/schema fills a struct with form values.
Example
Here's a quick example: we parse POST form values and then decode them into a struct:
// Set a Decoder instance as a package global, because it caches
// meta-data about structs, and a instance can be shared safely.
var decoder = schema.NewDecoder()
type Person struct {
Name string
Phone string
}
func MyHandler(w http.ResponseWriter, r *http.Request) {
err := r.ParseForm()
if err != nil {
// Handle error
}
decoder := schema.NewDecoder()
// r.PostForm is a map of our POST form values
err := decoder.Decode(person, r.PostForm)
if err != nil {
// Handle error
}
// Do something with person.Name or person.Phone
}
To define custom names for fields, use a struct tag "schema". To not populate certain fields, use a dash for the name and it will be ignored:
type Person struct {
Name string `schema:"name"` // custom name
Phone string `schema:"phone"` // custom name
Admin bool `schema:"-"` // this field is never set
}
The supported field types in the destination struct are:
- bool
- float variants (float32, float64)
- int variants (int, int8, int16, int32, int64)
- string
- uint variants (uint, uint8, uint16, uint32, uint64)
- struct
- a pointer to one of the above types
- a slice or a pointer to a slice of one of the above types
Non-supported types are simply ignored, however custom types can be registered to be converted.
More examples are available on the Gorilla website: http://www.gorillatoolkit.org/pkg/schema
License
BSD licensed. See the LICENSE file for details.