92 lines
2.5 KiB
Go
92 lines
2.5 KiB
Go
package refutil
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import (
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"bytes"
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"encoding/base64"
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"encoding/gob"
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"fmt"
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"reflect"
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"git.rosy.net.cn/baseapi/utils"
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)
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func CheckAndGetStructValue(item interface{}) *reflect.Value {
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value := reflect.ValueOf(item)
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if value.Kind() == reflect.Ptr {
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value = value.Elem()
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} else {
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panic("item ust be ptr type")
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}
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return &value
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}
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func IsFieldExist(obj interface{}, fieldName string) bool {
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return reflect.Indirect(reflect.ValueOf(obj)).FieldByName(fieldName).IsValid()
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}
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func GetObjFieldByName(obj interface{}, fieldName string) interface{} {
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return reflect.Indirect(reflect.ValueOf(obj)).FieldByName(fieldName).Interface()
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}
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func SetObjFieldByName(obj interface{}, fieldName string, value interface{}) {
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refValue := CheckAndGetStructValue(obj)
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refValue.FieldByName(fieldName).Set(reflect.ValueOf(value))
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}
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func SerializeData(data interface{}) (strValue string, err error) {
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var buf bytes.Buffer
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enc := gob.NewEncoder(&buf)
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if err = enc.Encode(data); err == nil {
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strValue = base64.StdEncoding.EncodeToString(buf.Bytes())
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return strValue, nil
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}
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return "", err
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}
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func DeSerializeData(strValue string, dataPtr interface{}) (err error) {
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byteData, err := base64.StdEncoding.DecodeString(strValue)
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if err == nil {
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dec := gob.NewDecoder(bytes.NewReader(byteData))
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return dec.Decode(dataPtr)
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}
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return err
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}
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// todo 这里看是否需要将key值转换成标准格式（即字母大写），因为beego orm不区分，不转换也可以
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func FilterMapByStructObject(mapData map[string]interface{}, obj interface{}, excludedFields []string, isCheckValue bool) (valid map[string]interface{}, invalid map[string]interface{}) {
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excludedMap := make(map[string]int)
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for _, v := range excludedFields {
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excludedMap[v] = 1
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}
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m := utils.Struct2FlatMap(obj)
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valid = make(map[string]interface{})
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invalid = make(map[string]interface{})
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for k, v := range mapData {
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if m[k] != nil && excludedMap[k] == 0 && v != nil && (!isCheckValue || !IsValueEqual(m[k], v)) {
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valid[k] = v
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m[k] = v
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} else {
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invalid[k] = v
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}
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}
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utils.Map2Struct(m, obj, true, "")
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return valid, invalid
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}
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func FilterMapByFieldList(mapData map[string]interface{}, fields []string) (valid map[string]interface{}, invalid map[string]interface{}) {
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valid = make(map[string]interface{})
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invalid = make(map[string]interface{})
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for _, field := range fields {
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if mapData[field] != nil {
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valid[field] = mapData[field]
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} else {
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invalid[field] = mapData[field]
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}
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}
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return valid, invalid
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}
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func IsValueEqual(value1, value2 interface{}) bool {
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return fmt.Sprint(value1) == fmt.Sprint(value2)
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}
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