mapping.go
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package utils
import (
"github.com/tiptok/gocomm/common"
"reflect"
"time"
)
func LoadCustomField(src interface{}, fields ...string) interface{} {
typeSrc := reflect.TypeOf(src)
valueSrc := reflect.ValueOf(src)
if v, ok := src.(reflect.Value); ok {
valueSrc = v
typeSrc = v.Type()
}
if typeSrc.Kind() == reflect.Ptr {
valueSrc = valueSrc.Elem()
}
k := valueSrc.Kind()
switch k {
case reflect.Array, reflect.Slice:
len := valueSrc.Len()
retSliceMap := make([]map[string]interface{}, 0)
if len == 0 {
return retSliceMap
}
for i := 0; i < len; i++ {
v := valueSrc.Index(i)
retSliceMap = append(retSliceMap, (LoadCustomField(v, fields...)).(map[string]interface{}))
}
return retSliceMap
case reflect.Struct:
retSliceMap := make(map[string]interface{})
for _, filed := range fields {
f := valueSrc.FieldByName(filed)
if !f.IsValid() {
continue
}
v := f.Interface()
if t, ok := v.(time.Time); ok {
v = t.Local().Format("2006-01-02 15:04:05")
}
retSliceMap[common.CamelCase(filed, false)] = v
}
return retSliceMap
default:
return src
}
return src
}
func AppendCustomField(src interface{}, options map[string]interface{}) interface{} {
var mapSrc map[string]interface{}
var ok bool
mapSrc, ok = src.(map[string]interface{})
if !ok {
common.JsonUnmarshal(common.JsonAssertString(src), &mapSrc)
}
for field, value := range options {
mapSrc[common.CamelCase(field, false)] = value
}
return mapSrc
}