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								package validatorx
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								import (
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									"mayfly-go/pkg/logx"
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									"regexp"
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									"github.com/go-playground/validator/v10"
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								)
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								const CustomPatternTagName = "pattern"
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								var (
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									regexpMap     map[string]*regexp.Regexp
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									patternErrMsg map[string]string
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								)
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								// 注册自定义正则表达式校验规则
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								func RegisterCustomPatterns() {
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									// 账号用户名校验
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									RegisterPattern("account_username", "^[a-zA-Z0-9_]{5,20}$", "只允许输入5-20位大小写字母、数字、下划线")
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									RegisterPattern("resource_code", "^[a-zA-Z0-9_\\-.:]{1,32}$", "只允许输入1-32位大小写字母、数字、_-.:")
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								}
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								// 注册自定义正则表达式
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								func RegisterPattern(patternName string, regexpStr string, errMsg string) {
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									if regexpMap == nil {
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										regexpMap = make(map[string]*regexp.Regexp, 0)
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										patternErrMsg = make(map[string]string)
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									}
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									regexpMap[patternName] = regexp.MustCompile(regexpStr)
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									patternErrMsg[patternName] = errMsg
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								}
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								func patternValidFunc(f validator.FieldLevel) bool {
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									reg := regexpMap[f.Param()]
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									if reg == nil {
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										logx.Warnf("%s的正则校验规则不存在!", f.Param())
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										return false
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									}
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									return reg.MatchString(f.Field().String())
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								}
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