[feature] Format the code and improve Mini Program authorization to o… (#473)

* [feature] Format the code and improve Mini Program authorization to obtain openid（miniprogram/auth/auth.go Code2Session）

* [feature] CheckEncryptedData (https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/user-info/auth.checkEncryptedData.html)

* upgrade json error

* upgrade json error

Co-authored-by: houseme <houseme@outlook.com>

cache/memory.go

@@ -5,7 +5,7 @@ import (
 	"time"
 )
 
-//Memory struct contains *memcache.Client
+// Memory struct contains *memcache.Client
 type Memory struct {
 	sync.Mutex
 
@@ -17,14 +17,14 @@ type data struct {
 	Expired time.Time
 }
 
-//NewMemory create new memcache
+// NewMemory create new memcache
 func NewMemory() *Memory {
 	return &Memory{
 		data: map[string]*data{},
 	}
 }
 
-//Get return cached value
+// Get return cached value
 func (mem *Memory) Get(key string) interface{} {
 	if ret, ok := mem.data[key]; ok {
 		if ret.Expired.Before(time.Now()) {
@@ -48,7 +48,7 @@ func (mem *Memory) IsExist(key string) bool {
 	return false
 }
 
-//Set cached value with key and expire time.
+// Set cached value with key and expire time.
 func (mem *Memory) Set(key string, val interface{}, timeout time.Duration) (err error) {
 	mem.Lock()
 	defer mem.Unlock()
@@ -60,7 +60,7 @@ func (mem *Memory) Set(key string, val interface{}, timeout time.Duration) (err
 	return nil
 }
 
-//Delete delete value in memcache.
+// Delete delete value in memcache.
 func (mem *Memory) Delete(key string) error {
 	mem.deleteKey(key)
 	return nil

cache/redis.go

@@ -7,22 +7,22 @@ import (
 	"github.com/gomodule/redigo/redis"
 )
 
-//Redis redis cache
+// Redis .redis cache
 type Redis struct {
 	conn *redis.Pool
 }
 
-//RedisOpts redis 连接属性
+// RedisOpts redis 连接属性
 type RedisOpts struct {
 	Host        string `yml:"host" json:"host"`
 	Password    string `yml:"password" json:"password"`
 	Database    int    `yml:"database" json:"database"`
 	MaxIdle     int    `yml:"max_idle" json:"max_idle"`
 	MaxActive   int    `yml:"max_active" json:"max_active"`
-	IdleTimeout int    `yml:"idle_timeout" json:"idle_timeout"` //second
+	IdleTimeout int    `yml:"idle_timeout" json:"idle_timeout"` // second
 }
 
-//NewRedis 实例化
+// NewRedis 实例化
 func NewRedis(opts *RedisOpts) *Redis {
 	pool := &redis.Pool{
 		MaxActive:   opts.MaxActive,
@@ -45,17 +45,17 @@ func NewRedis(opts *RedisOpts) *Redis {
 	return &Redis{pool}
 }
 
-//SetRedisPool 设置redis连接池
+// SetRedisPool 设置redis连接池
 func (r *Redis) SetRedisPool(pool *redis.Pool) {
 	r.conn = pool
 }
 
-//SetConn 设置conn
+// SetConn 设置conn
 func (r *Redis) SetConn(conn *redis.Pool) {
 	r.conn = conn
 }
 
-//Get 获取一个值
+// Get 获取一个值
 func (r *Redis) Get(key string) interface{} {
 	conn := r.conn.Get()
 	defer conn.Close()
@@ -73,7 +73,7 @@ func (r *Redis) Get(key string) interface{} {
 	return reply
 }
 
-//Set 设置一个值
+// Set 设置一个值
 func (r *Redis) Set(key string, val interface{}, timeout time.Duration) (err error) {
 	conn := r.conn.Get()
 	defer conn.Close()
@@ -88,7 +88,7 @@ func (r *Redis) Set(key string, val interface{}, timeout time.Duration) (err err
 	return
 }
 
-//IsExist 判断key是否存在
+// IsExist 判断key是否存在
 func (r *Redis) IsExist(key string) bool {
 	conn := r.conn.Get()
 	defer conn.Close()
@@ -98,7 +98,7 @@ func (r *Redis) IsExist(key string) bool {
 	return i > 0
 }
 
-//Delete 删除
+// Delete 删除
 func (r *Redis) Delete(key string) error {
 	conn := r.conn.Get()
 	defer conn.Close()