/
ghttp_request_param_request.go
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/
ghttp_request_param_request.go
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// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
package ghttp
import (
"github.com/gogf/gf/container/gvar"
"github.com/gogf/gf/internal/empty"
"github.com/gogf/gf/internal/structs"
"github.com/gogf/gf/util/gconv"
"github.com/gogf/gf/util/gutil"
)
// GetRequest retrieves and returns the parameter named <key> passed from client and
// custom params as interface{}, no matter what HTTP method the client is using. The
// parameter <def> specifies the default value if the <key> does not exist.
//
// GetRequest is one of the most commonly used functions for retrieving parameters.
//
// Note that if there're multiple parameters with the same name, the parameters are
// retrieved and overwrote in order of priority: router < query < body < form < custom.
func (r *Request) GetRequest(key string, def ...interface{}) interface{} {
value := r.GetParam(key)
if value == nil {
value = r.GetForm(key)
}
if value == nil {
r.parseBody()
if len(r.bodyMap) > 0 {
value = r.bodyMap[key]
}
}
if value == nil {
value = r.GetQuery(key)
}
if value == nil {
value = r.GetRouterValue(key)
}
if value != nil {
return value
}
if len(def) > 0 {
return def[0]
}
return value
}
// GetRequestVar retrieves and returns the parameter named <key> passed from client and
// custom params as gvar.Var, no matter what HTTP method the client is using. The parameter
// <def> specifies the default value if the <key> does not exist.
func (r *Request) GetRequestVar(key string, def ...interface{}) *gvar.Var {
return gvar.New(r.GetRequest(key, def...))
}
// GetRequestString retrieves and returns the parameter named <key> passed from client and
// custom params as string, no matter what HTTP method the client is using. The parameter
// <def> specifies the default value if the <key> does not exist.
func (r *Request) GetRequestString(key string, def ...interface{}) string {
return r.GetRequestVar(key, def...).String()
}
// GetRequestBool retrieves and returns the parameter named <key> passed from client and
// custom params as bool, no matter what HTTP method the client is using. The parameter
// <def> specifies the default value if the <key> does not exist.
func (r *Request) GetRequestBool(key string, def ...interface{}) bool {
return r.GetRequestVar(key, def...).Bool()
}
// GetRequestInt retrieves and returns the parameter named <key> passed from client and
// custom params as int, no matter what HTTP method the client is using. The parameter
// <def> specifies the default value if the <key> does not exist.
func (r *Request) GetRequestInt(key string, def ...interface{}) int {
return r.GetRequestVar(key, def...).Int()
}
// GetRequestInt32 retrieves and returns the parameter named <key> passed from client and
// custom params as int32, no matter what HTTP method the client is using. The parameter
// <def> specifies the default value if the <key> does not exist.
func (r *Request) GetRequestInt32(key string, def ...interface{}) int32 {
return r.GetRequestVar(key, def...).Int32()
}
// GetRequestInt64 retrieves and returns the parameter named <key> passed from client and
// custom params as int64, no matter what HTTP method the client is using. The parameter
// <def> specifies the default value if the <key> does not exist.
func (r *Request) GetRequestInt64(key string, def ...interface{}) int64 {
return r.GetRequestVar(key, def...).Int64()
}
// GetRequestInts retrieves and returns the parameter named <key> passed from client and
// custom params as []int, no matter what HTTP method the client is using. The parameter
// <def> specifies the default value if the <key> does not exist.
func (r *Request) GetRequestInts(key string, def ...interface{}) []int {
return r.GetRequestVar(key, def...).Ints()
}
// GetRequestUint retrieves and returns the parameter named <key> passed from client and
// custom params as uint, no matter what HTTP method the client is using. The parameter
// <def> specifies the default value if the <key> does not exist.
func (r *Request) GetRequestUint(key string, def ...interface{}) uint {
return r.GetRequestVar(key, def...).Uint()
}
// GetRequestUint32 retrieves and returns the parameter named <key> passed from client and
// custom params as uint32, no matter what HTTP method the client is using. The parameter
// <def> specifies the default value if the <key> does not exist.
func (r *Request) GetRequestUint32(key string, def ...interface{}) uint32 {
return r.GetRequestVar(key, def...).Uint32()
}
// GetRequestUint64 retrieves and returns the parameter named <key> passed from client and
// custom params as uint64, no matter what HTTP method the client is using. The parameter
// <def> specifies the default value if the <key> does not exist.
func (r *Request) GetRequestUint64(key string, def ...interface{}) uint64 {
return r.GetRequestVar(key, def...).Uint64()
}
// GetRequestFloat32 retrieves and returns the parameter named <key> passed from client and
// custom params as float32, no matter what HTTP method the client is using. The parameter
// <def> specifies the default value if the <key> does not exist.
func (r *Request) GetRequestFloat32(key string, def ...interface{}) float32 {
return r.GetRequestVar(key, def...).Float32()
}
// GetRequestFloat64 retrieves and returns the parameter named <key> passed from client and
// custom params as float64, no matter what HTTP method the client is using. The parameter
// <def> specifies the default value if the <key> does not exist.
func (r *Request) GetRequestFloat64(key string, def ...interface{}) float64 {
return r.GetRequestVar(key, def...).Float64()
}
// GetRequestFloats retrieves and returns the parameter named <key> passed from client and
// custom params as []float64, no matter what HTTP method the client is using. The parameter
// <def> specifies the default value if the <key> does not exist.
func (r *Request) GetRequestFloats(key string, def ...interface{}) []float64 {
return r.GetRequestVar(key, def...).Floats()
}
// GetRequestArray retrieves and returns the parameter named <key> passed from client and
// custom params as []string, no matter what HTTP method the client is using. The parameter
// <def> specifies the default value if the <key> does not exist.
func (r *Request) GetRequestArray(key string, def ...interface{}) []string {
return r.GetRequestVar(key, def...).Strings()
}
// GetRequestStrings retrieves and returns the parameter named <key> passed from client and
// custom params as []string, no matter what HTTP method the client is using. The parameter
// <def> specifies the default value if the <key> does not exist.
func (r *Request) GetRequestStrings(key string, def ...interface{}) []string {
return r.GetRequestVar(key, def...).Strings()
}
// GetRequestInterfaces retrieves and returns the parameter named <key> passed from client
// and custom params as []interface{}, no matter what HTTP method the client is using. The
// parameter <def> specifies the default value if the <key> does not exist.
func (r *Request) GetRequestInterfaces(key string, def ...interface{}) []interface{} {
return r.GetRequestVar(key, def...).Interfaces()
}
// GetRequestMap retrieves and returns all parameters passed from client and custom params
// as map, no matter what HTTP method the client is using. The parameter <kvMap> specifies
// the keys retrieving from client parameters, the associated values are the default values
// if the client does not pass the according keys.
//
// GetRequestMap is one of the most commonly used functions for retrieving parameters.
//
// Note that if there're multiple parameters with the same name, the parameters are retrieved
// and overwrote in order of priority: router < query < body < form < custom.
func (r *Request) GetRequestMap(kvMap ...map[string]interface{}) map[string]interface{} {
r.parseQuery()
r.parseForm()
r.parseBody()
var ok, filter bool
var length int
if len(kvMap) > 0 && kvMap[0] != nil {
length = len(kvMap[0])
filter = true
} else {
length = len(r.routerMap) + len(r.queryMap) + len(r.formMap) + len(r.bodyMap) + len(r.paramsMap)
}
m := make(map[string]interface{}, length)
for k, v := range r.routerMap {
if filter {
if _, ok = kvMap[0][k]; !ok {
continue
}
}
m[k] = v
}
for k, v := range r.queryMap {
if filter {
if _, ok = kvMap[0][k]; !ok {
continue
}
}
m[k] = v
}
for k, v := range r.formMap {
if filter {
if _, ok = kvMap[0][k]; !ok {
continue
}
}
m[k] = v
}
for k, v := range r.bodyMap {
if filter {
if _, ok = kvMap[0][k]; !ok {
continue
}
}
m[k] = v
}
for k, v := range r.paramsMap {
if filter {
if _, ok = kvMap[0][k]; !ok {
continue
}
}
m[k] = v
}
// Check none exist parameters and assign it with default value.
if filter {
for k, v := range kvMap[0] {
if _, ok = m[k]; !ok {
m[k] = v
}
}
}
return m
}
// GetRequestMapStrStr retrieves and returns all parameters passed from client and custom
// params as map[string]string, no matter what HTTP method the client is using. The parameter
// <kvMap> specifies the keys retrieving from client parameters, the associated values are the
// default values if the client does not pass.
func (r *Request) GetRequestMapStrStr(kvMap ...map[string]interface{}) map[string]string {
requestMap := r.GetRequestMap(kvMap...)
if len(requestMap) > 0 {
m := make(map[string]string, len(requestMap))
for k, v := range requestMap {
m[k] = gconv.String(v)
}
return m
}
return nil
}
// GetRequestMapStrVar retrieves and returns all parameters passed from client and custom
// params as map[string]*gvar.Var, no matter what HTTP method the client is using. The parameter
// <kvMap> specifies the keys retrieving from client parameters, the associated values are the
// default values if the client does not pass.
func (r *Request) GetRequestMapStrVar(kvMap ...map[string]interface{}) map[string]*gvar.Var {
requestMap := r.GetRequestMap(kvMap...)
if len(requestMap) > 0 {
m := make(map[string]*gvar.Var, len(requestMap))
for k, v := range requestMap {
m[k] = gvar.New(v)
}
return m
}
return nil
}
// GetRequestStruct retrieves all parameters passed from client and custom params no matter
// what HTTP method the client is using, and converts them to given struct object. Note that
// the parameter <pointer> is a pointer to the struct object.
// The optional parameter <mapping> is used to specify the key to attribute mapping.
func (r *Request) GetRequestStruct(pointer interface{}, mapping ...map[string]string) error {
_, err := r.doGetRequestStruct(pointer, mapping...)
return err
}
func (r *Request) doGetRequestStruct(pointer interface{}, mapping ...map[string]string) (data map[string]interface{}, err error) {
data = r.GetRequestMap()
if data == nil {
data = map[string]interface{}{}
}
if err := r.mergeDefaultStructValue(data, pointer); err != nil {
return data, nil
}
return data, gconv.Struct(data, pointer, mapping...)
}
// mergeDefaultStructValue merges the request parameters with default values from struct tag definition.
func (r *Request) mergeDefaultStructValue(data map[string]interface{}, pointer interface{}) error {
tagFields, err := structs.TagFields(pointer, defaultValueTags)
if err != nil {
return err
}
if len(tagFields) > 0 {
var (
foundKey string
foundValue interface{}
)
for _, field := range tagFields {
foundKey, foundValue = gutil.MapPossibleItemByKey(data, field.Name())
if foundKey == "" {
data[field.Name()] = field.TagValue
} else {
if empty.IsEmpty(foundValue) {
data[foundKey] = field.TagValue
}
}
}
}
return nil
}