feat(valid): 添加参数验证功能并集成中文翻译

- 引入 go-playground/validator/v10 用于结构体验证
- 集成 locales 和 universal-translator 实现中文错误提示
- 创建全局验证器实例并注册中文翻译
- 实现 GetFirstValidateError 函数提取第一条验证错误
- 注册字段名映射函数使用 json 标签作为错误提示字段名
- 在 go.mod 中添加相关依赖包并更新版本

go.mod

@@ -7,6 +7,9 @@ require (
 	github.com/fsnotify/fsnotify v1.9.0
 	github.com/gin-gonic/gin v1.7.7
 	github.com/glebarez/sqlite v1.11.0
+	github.com/go-playground/locales v0.13.0
+	github.com/go-playground/universal-translator v0.17.0
+	github.com/go-playground/validator/v10 v10.4.2
 	github.com/gogf/gf/v2 v2.10.0
 	github.com/golang-jwt/jwt/v5 v5.3.1
 	github.com/gorilla/websocket v1.5.3
@@ -27,9 +30,6 @@ require (
 	github.com/glebarez/go-sqlite v1.21.2 // indirect
 	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
-	github.com/go-playground/locales v0.13.0 // indirect
-	github.com/go-playground/universal-translator v0.17.0 // indirect
-	github.com/go-playground/validator/v10 v10.4.2 // indirect
 	github.com/go-sql-driver/mysql v1.8.1 // indirect
 	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
 	github.com/golang/protobuf v1.3.5 // indirect

go.sum

@@ -38,7 +38,6 @@ github.com/go-playground/locales v0.13.0 h1:HyWk6mgj5qFqCT5fjGBuRArbVDfE4hi8+e8c
 github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
 github.com/go-playground/universal-translator v0.17.0 h1:icxd5fm+REJzpZx7ZfpaD876Lmtgy7VtROAbHHXk8no=
 github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
-github.com/go-playground/validator/v10 v10.4.1 h1:pH2c5ADXtd66mxoE0Zm9SUhxE20r7aM3F26W0hOn+GE=
 github.com/go-playground/validator/v10 v10.4.1/go.mod h1:nlOn6nFhuKACm19sB/8EGNn9GlaMV7XkbRSipzJ0Ii4=
 github.com/go-playground/validator/v10 v10.4.2 h1:RqFe5MzGf2UOFhxQYnjHabHOT6CLbYWkeXOfcXB7fsM=
 github.com/go-playground/validator/v10 v10.4.2/go.mod h1:nlOn6nFhuKACm19sB/8EGNn9GlaMV7XkbRSipzJ0Ii4=
@@ -50,7 +49,6 @@ github.com/gogf/gf/v2 v2.10.0 h1:rzDROlyqGMe/eM6dCalSR8dZOuMIdLhmxKSH1DGhbFs=
 github.com/gogf/gf/v2 v2.10.0/go.mod h1:Svl1N+E8G/QshU2DUbh/3J/AJauqCgUnxHurXWR4Qx0=
 github.com/golang-jwt/jwt/v5 v5.3.1 h1:kYf81DTWFe7t+1VvL7eS+jKFVWaUnK9cB1qbwn63YCY=
 github.com/golang-jwt/jwt/v5 v5.3.1/go.mod h1:fxCRLWMO43lRc8nhHWY6LGqRcf+1gQWArsqaEUEa5bE=
-github.com/golang/protobuf v1.3.3 h1:gyjaxf+svBWX08ZjK86iN9geUJF0H6gp2IRKX6Nf6/I=
 github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
 github.com/golang/protobuf v1.3.5 h1:F768QJ1E9tib+q5Sc8MkdJi1RxLTbRcTf8LJV56aRls=
 github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk=
@@ -69,7 +67,6 @@ github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD
 github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
 github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
 github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
-github.com/json-iterator/go v1.1.9 h1:9yzud/Ht36ygwatGx56VwCZtlI/2AD15T1X2sjSuGns=
 github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
@@ -77,7 +74,6 @@ github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-github.com/leodido/go-urn v1.2.0 h1:hpXL4XnriNwQ/ABnpepYM/1vCLWNDfUNts8dX3xTG6Y=
 github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgxpxOKII=
 github.com/leodido/go-urn v1.2.4 h1:XlAE/cm/ms7TE/VMVoduSpNBoyc2dOxHs5MZSwAN63Q=
 github.com/leodido/go-urn v1.2.4/go.mod h1:7ZrI8mTSeBSHl/UaRyKQW1qZeMgak41ANeCNaVckg+4=
@@ -91,11 +87,9 @@ github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWE
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/mattn/go-runewidth v0.0.16 h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6TULQc=
 github.com/mattn/go-runewidth v0.0.16/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
-github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
-github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 h1:Esafd1046DLDQ0W1YjYsBW+p8U2u7vzgW2SQVmlNazg=
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
@@ -141,9 +135,7 @@ github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD
 github.com/subosito/gotenv v1.6.0 h1:9NlTDc1FTs4qu0DDq7AEtTPNw6SVm7uBMsUCUjABIf8=
 github.com/subosito/gotenv v1.6.0/go.mod h1:Dk4QP5c2W3ibzajGcXpNraDfq2IrhjMIvMSWPKKo0FU=
 github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw=
-github.com/ugorji/go v1.1.14 h1:SH9w5U0JOT5KXtM/PL4o3ylZ1radkai43UiC6GYCetI=
 github.com/ugorji/go v1.1.14/go.mod h1:8lpbXS0IfYpSwsLmwWThGZ7Qm2dNUIb0/kcsxHbwNpM=
-github.com/ugorji/go/codec v1.1.7 h1:2SvQaVZ1ouYrrKKwoSk2pzd4A9evlKJb9oTL+OaLUSs=
 github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLYF3GoBXY=
 github.com/ugorji/go/codec v1.1.14 h1:3kmVO19VOoEBcborYacgFopagfu1s1+73nR7uRuN0lM=
 github.com/ugorji/go/codec v1.1.14/go.mod h1:CburFl4ZXbHpzvp1gzm2I8tpnFk9XPHOJwIheJViqKk=
@@ -199,8 +191,6 @@ gorm.io/driver/mysql v1.6.0 h1:eNbLmNTpPpTOVZi8MMxCi2aaIm0ZpInbORNXDwyLGvg=
 gorm.io/driver/mysql v1.6.0/go.mod h1:D/oCC2GWK3M/dqoLxnOlaNKmXz8WNTfcS9y5ovaSqKo=
 gorm.io/gorm v1.31.1 h1:7CA8FTFz/gRfgqgpeKIBcervUn3xSyPUmr6B2WXJ7kg=
 gorm.io/gorm v1.31.1/go.mod h1:XyQVbO2k6YkOis7C2437jSit3SsDK72s7n7rsSHd+Gs=
-modernc.org/libc v1.22.5 h1:91BNch/e5B0uPbJFgqbxXuOnxBQjlS//icfQEGmvyjE=
-modernc.org/libc v1.22.5/go.mod h1:jj+Z7dTNX8fBScMVNRAYZ/jF91K8fdT2hYMThc3YjBY=
 modernc.org/libc v1.22.6 h1:cbXU8R+A6aOjRuhsFh3nbDWXO/Hs4ClJRXYB11KmPDo=
 modernc.org/libc v1.22.6/go.mod h1:jj+Z7dTNX8fBScMVNRAYZ/jF91K8fdT2hYMThc3YjBY=
 modernc.org/mathutil v1.5.0 h1:rV0Ko/6SfM+8G+yKiyI830l3Wuz1zRutdslNoQ0kfiQ=

valid/valid.go

@@ -0,0 +1,70 @@
+package valid
+
+import (
+	"errors"
+	"reflect"
+	"strings"
+
+	"github.com/go-playground/locales/zh"
+	ut "github.com/go-playground/universal-translator"
+	"github.com/go-playground/validator/v10"
+	zh_translations "github.com/go-playground/validator/v10/translations/zh"
+)
+
+var (
+	uni      *ut.UniversalTranslator // 全局翻译器实例
+	validate *validator.Validate     // 全局验证器实例
+	trans    ut.Translator           // 全局中文翻译器
+	foun     bool
+)
+
+func init() {
+	// 1. 初始化中文本地化实例
+	zhLocale := zh.New()
+
+	// 2. 初始化通用翻译器，加载中文本地化
+	uni = ut.New(zhLocale, zhLocale)
+
+	// 3. 获取中文翻译器实例
+	var err error
+	trans, foun = uni.GetTranslator("zh")
+	if !foun {
+		panic("获取中文翻译器失败")
+	}
+
+	// 4. 获取 Gin 内置的 validator 验证器实例
+	validate = validator.New()
+
+	// 5. 注册 validator 中文翻译（替换默认英文错误提示）
+	err = zh_translations.RegisterDefaultTranslations(validate, trans)
+	if err != nil {
+		panic("注册中文翻译失败：" + err.Error())
+	}
+
+	// 6. 核心优化：注册字段名映射函数，用结构体的 json 标签作为返回的字段名
+	// 例如：结构体字段 Username -> json 标签 username -> 错误提示中显示 username（更友好）
+	validate.RegisterTagNameFunc(func(fld reflect.StructField) string {
+		// 提取 json 标签（忽略 ,omitempty 等附加选项）
+		jsonTag := strings.SplitN(fld.Tag.Get("json"), ",", 2)[0]
+		// 若 json 标签为 "-"（表示忽略该字段），返回空字符串
+		if jsonTag == "-" {
+			return ""
+		}
+		return jsonTag
+	})
+}
+func GetFirstValidateError(err error) string {
+	// 1. 断言错误类型是否为 validator 验证错误
+	var validateErrors validator.ValidationErrors
+	ok := errors.As(err, &validateErrors)
+	if !ok {
+		// 非参数验证错误（如绑定格式错误），直接返回错误信息
+		return "参数格式错误：" + err.Error()
+	}
+
+	// 2. 仅返回第一条验证错误（核心：取切片索引 0 的元素）
+	firstErr := validateErrors[0]
+
+	// 3. 翻译第一条错误为中文，返回给前端
+	return firstErr.Translate(trans)
+}