github.com/gogf/gf/v2@v2.7.4/util/gvalid/internal/builtin/builtin_float.go (about)

     1  // Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
     2  //
     3  // This Source Code Form is subject to the terms of the MIT License.
     4  // If a copy of the MIT was not distributed with this file,
     5  // You can obtain one at https://github.com/gogf/gf.
     6  
     7  package builtin
     8  
     9  import (
    10  	"errors"
    11  	"strconv"
    12  )
    13  
    14  // RuleFloat implements `float` rule:
    15  // Float. Note that an integer is actually a float number.
    16  //
    17  // Format: float
    18  type RuleFloat struct{}
    19  
    20  func init() {
    21  	Register(RuleFloat{})
    22  }
    23  
    24  func (r RuleFloat) Name() string {
    25  	return "float"
    26  }
    27  
    28  func (r RuleFloat) Message() string {
    29  	return "The {field} value `{value}` is not of valid float type"
    30  }
    31  
    32  func (r RuleFloat) Run(in RunInput) error {
    33  	if _, err := strconv.ParseFloat(in.Value.String(), 10); err == nil {
    34  		return nil
    35  	}
    36  	return errors.New(in.Message)
    37  }