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mayfly-go/server/pkg/req/util.go

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package req
import (
"mayfly-go/pkg/errorx"
"mayfly-go/pkg/model"
"mayfly-go/pkg/utils/structx"
"mayfly-go/pkg/validatorx"
"github.com/go-playground/validator/v10"
)
// BindJson 绑定并校验请求结构体参数
func BindJson[T any](rc *Ctx) T {
data := structx.NewInstance[T]()
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if err := rc.BindJSON(data); err != nil {
panic(ConvBindValidationError(data, err))
} else {
return data
}
}
// BindJsonAndCopyTo 绑定请求体中的json至form结构体并拷贝至指定结构体
func BindJsonAndCopyTo[F, T any](rc *Ctx) (F, T) {
f := BindJson[F](rc)
return f, structx.CopyTo[T](f)
}
// BindQuery 绑定查询字符串到指定结构体
func BindQuery[T any](rc *Ctx) T {
data := structx.NewInstance[T]()
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if err := rc.BindQuery(data); err != nil {
panic(ConvBindValidationError(data, err))
} else {
return data
}
}
// BindQueryAndPage 绑定查询字符串到指定结构体,并将分页信息也返回
func BindQueryAndPage[T any](rc *Ctx) (T, model.PageParam) {
data := structx.NewInstance[T]()
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if err := rc.BindQuery(data); err != nil {
panic(ConvBindValidationError(data, err))
} else {
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return data, rc.GetPageParam()
}
}
// 转换参数校验错误为业务异常错误
func ConvBindValidationError(data any, err error) error {
if e, ok := err.(validator.ValidationErrors); ok {
return errorx.NewBizCode(403, validatorx.Translate2Str(data, e))
}
return err
}