func demoConverse() {
a := "0"
n, err := mcore.StrToInt(a)
fmt.Printf("%d,%v\n", n, err)
b := mcore.ReadInt("input int")
fmt.Printf("%v\n", b)
}
// ValidateField
func ValidateField(v interface{}, fn string) (err string) {
tv := GetValidatorTag(v, fn)
logger.Debugf("Validate Tag: %s", tv)
if tv == "" {
// field no tag, skip
return ""
}
vds := strings.Split(tv, ",")
fv := mcore.GetFieldValue(v, fn)
logger.Debugf("Field Value: %s", fv)
for _, item := range vds {
kv := strings.Split(item, "=")
v_key := strings.TrimSpace(kv[0])
v_key = strings.ToLower(v_key)
v_value := ""
if len(kv) > 1 {
v_value = kv[1]
v_value = strings.TrimSpace(v_value)
v_value = strings.TrimLeft(v_value, "'")
v_value = strings.TrimRight(v_value, "'")
}
switch v_key {
case V_REQUIRED:
if fv == "" {
err = err + "null or blank."
}
case V_MIN:
i_v_value, err1 := mcore.StrToInt(v_value)
if err1 != nil {
// parse int error, skip
continue
}
i_f_value, err2 := mcore.StrToInt(fv)
if err2 != nil {
// field value parse int error, skip
continue
}
if i_f_value < i_v_value {
err = err + fmt.Sprintf("%s less than %s.", fv, v_value)
}
case V_MAX:
i_v_value, err1 := mcore.StrToInt(v_value)
if err1 != nil {
// parse int error, skip
continue
}
i_f_value, err2 := mcore.StrToInt(fv)
if err2 != nil {
// field value parse int error, skip
continue
}
if i_f_value > i_v_value {
err = err + fmt.Sprintf("%s great than %s.", fv, v_value)
}
case V_MAX_LENGTH:
length, err1 := mcore.StrToInt(v_value)
if err1 != nil {
// parse int error, skip
continue
}
if len(fv) > length {
err = err + fmt.Sprintf("%s length great than %s.", fv, v_value)
}
case V_MIN_LENGTH:
length, err1 := mcore.StrToInt(v_value)
if err1 != nil {
// parse int error, skip
continue
}
if len(fv) < length {
err = err + fmt.Sprintf("%s length less than %s.", fv, v_value)
}
case V_LENGTH:
length, err1 := mcore.StrToInt(v_value)
if err1 != nil {
// parse int error, skip
continue
}
if len(fv) != length {
err = err + fmt.Sprintf("%s length not equals %s.", fv, v_value)
}
case V_EMAIL:
if !mcore.NewString(fv).IsEmail() {
err = err + fmt.Sprintf("%s not a Email.", fv)
}
case V_IDCARD:
if !mcore.NewString(fv).IsIdCardNo() {
err = err + fmt.Sprintf("%s not a ID Card number.", fv)
}
case V_NUMBER:
if !mcore.NewString(fv).IsNumber() {
err = err + fmt.Sprintf("%s not a number.", fv)
}
case V_PHONE:
if !mcore.NewString(fv).IsPhoneNumber() {
err = err + fmt.Sprintf("%s not a phone number.", fv)
}
case V_REGEX:
if !mcore.NewString(fv).IsMatchString(v_value) {
err = err + fmt.Sprintf("%s not match %s.", fv, v_value)
}
default:
// unknow validator tag.
logger.Warnf("Unknown validate tag: %s ", item)
}
}
logger.Debugf("Validate Result: %s", err)
return
}