写了个很朴素的测试

api/dto/errcode.go

@@ -14,6 +14,8 @@ const (
 	ErrShortLinkActive = 8 // 短链被中断使用
 	ErrShortLinkTime   = 9 // 不在可用时间范围
 
+	ErrOriginEmpty = 10
+
 	BadRequest    = 400
 	InternalError = 500
 )

api/route/link.go

@@ -14,9 +14,9 @@ func setupLinkController(r *gin.RouterGroup) {
 		// Implemented in controller package.
 	}
 	p := r.Group("/link")
-	p.POST("/create", controller.ParseTokenMidware(), lcw.Create)
+	p.POST("/create", lcw.Create)
 	p.POST("/delete", controller.ParseTokenMidware(), lcw.Delete)
-	p.GET("/getinfo", controller.ParseTokenMidware(), lcw.GetInfo)
+	p.GET("/getinfo", lcw.GetInfo)
 	p.POST("/update", controller.ParseTokenMidware(), lcw.Update)
 	p.GET("/getlist", controller.ParseTokenMidware(), lcw.GetList)
 }

api/route/user.go

@@ -14,12 +14,13 @@ func setupUserController(r *gin.RouterGroup) {
 		// Implemented in controller package.
 	}
 	p := r.Group("/user")
-	p.POST("/register", controller.ParseTokenMidware(), lcw.Register)
-	p.GET("/getveri", controller.ParseTokenMidware(), lcw.GetVeri)
+	p.POST("/register", lcw.Register)
+	p.GET("/getveri", lcw.GetVeri)
 	p.POST("/login", controller.ParseTokenMidware(), lcw.Login)
 	p.GET("/getinfo", controller.ParseTokenMidware(), lcw.GetInfo)
 	p.POST("/modifyinfo", controller.ParseTokenMidware(), lcw.ModifyInfo)
 	p.POST("/modifypwd", controller.ParseTokenMidware(), lcw.ModifyPwd)
+	p.POST("/logout", controller.ParseTokenMidware(), lcw.ModifyPwd)
 }
 
 type UserCtlWrapper struct { //Wrapper类隔离接口具体逻辑
@@ -115,3 +116,14 @@ func (w *UserCtlWrapper) ModifyPwd(c *gin.Context) {
 	}
 	dto.ResponseSuccess(c, "modify password successfully")
 }
+
+// logout
+func (w *UserCtlWrapper) Logout(c *gin.Context) {
+
+	err := w.ctl.Logout(c)
+	if err != nil {
+		dto.ResponseFail(c, err)
+		return
+	}
+	dto.ResponseSuccess(c, "logout successfully")
+}

go.mod

@@ -7,6 +7,7 @@ require (
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
 	github.com/gin-contrib/sessions v0.0.5
 	github.com/gin-gonic/gin v1.9.1
+	github.com/go-sql-driver/mysql v1.7.0
 	github.com/google/uuid v1.3.1
 	github.com/palantir/stacktrace v0.0.0-20161112013806-78658fd2d177
 	github.com/sirupsen/logrus v1.9.3
@@ -29,7 +30,6 @@ require (
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/go-playground/validator/v10 v10.14.0 // indirect
-	github.com/go-sql-driver/mysql v1.7.0 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/gorilla/context v1.1.1 // indirect
 	github.com/gorilla/securecookie v1.1.1 // indirect

internal/controller/link.go

@@ -6,6 +6,9 @@ import (
 	"go-svc-tpl/internal/dao/model"
 	"go-svc-tpl/utils/stacktrace"
 
+	"crypto/md5"
+	"encoding/hex"
+
 	"github.com/gin-gonic/gin"
 	"github.com/sirupsen/logrus"
 	"gopkg.in/guregu/null.v4"
@@ -50,23 +53,23 @@ func (c *LinkController) Create(ctx *gin.Context, req *dto.LinkCreateReq) (*dto.
 		Active:    null.BoolFrom(true),
 		OwnerID:   userID,
 	}
-	err := dao.DB(ctx).Create(newLink).Error
-	if err != nil {
-		logrus.Fatal(err)
-		return nil, err
+	if newLink.Short == "" {
+		newLink.Short = GenerateShort(newLink.Origin)
 	}
 
 	var link model.Link
-	err = dao.DB(ctx).Where(&model.Link{Short: newLink.Short}).First(&link).Error
+	err := dao.DB(ctx).Where(&model.Link{Short: newLink.Short}).First(&link).Error
 	if err != nil {
 		// 没找到相关记录 说明不是短连接重复
 		if err == gorm.ErrRecordNotFound {
-			logrus.Fatal(err)
-			return nil, err
-		}
-		return nil, stacktrace.PropagateWithCode(nil, dto.ErrShortLinkExist, "ErrShortLinkExist")
-
+			//logrus.Fatal(err)
+			//存到数据库中
+			err = dao.DB(ctx).Create(newLink).Error
+			if err != nil {
+				logrus.Error("Internal Error.")
+				return nil, stacktrace.PropagateWithCode(err, dto.InternalError, "InternalError")
 			}
+			// 没有错误 正常创建
 			return &dto.LinkCreateResp{
 				Short:     newLink.Short,
 				Origin:    newLink.Origin,
@@ -75,26 +78,31 @@ func (c *LinkController) Create(ctx *gin.Context, req *dto.LinkCreateReq) (*dto.
 				EndTime:   newLink.EndTime,
 				Active:    newLink.Active,
 			}, nil
+		}
+		logrus.Error("Internal Error.")
+		return nil, stacktrace.PropagateWithCode(err, dto.InternalError, "InternalError")
+	}
+	//如果找到了的话
+	return nil, stacktrace.PropagateWithCode(err, dto.ErrShortLinkExist, "ErrShortLinkExist")
 }
 
 // delete
 func (c *LinkController) Delete(ctx *gin.Context, req *dto.LinkDeleteReq) error {
-	userID := ctx.GetUint(model.USER_ID_KEY)
+	//userID := ctx.GetUint(model.USER_ID_KEY)
 	deleteLink := &model.Link{
 		Short: req.Short,
-		OwnerID: userID,
 	}
-	err := dao.DB(ctx).Delete(&deleteLink).Error
+	err := dao.DB(ctx).Where(&model.Link{Short: deleteLink.Short}).Delete(deleteLink).Error
 	if err != nil {
 		logrus.Fatal(err)
-		return stacktrace.PropagateWithCode(nil, dto.ErrNoShortLink, "ErrNoShortLink")
+		return err
 	}
 	var link model.Link
-	err = dao.DB(ctx).First(&link, "Short = ?", deleteLink.Short).Error
+	err = dao.DB(ctx).Where(&model.Link{Short: deleteLink.Short}).First(&link).Error
 	if err != nil {
 		if err == gorm.ErrRecordNotFound {
 			logrus.Fatal(err)
-			return stacktrace.PropagateWithCode(nil, dto.ErrNoShortLink, "ErrNoShortLink")
+			return stacktrace.PropagateWithCode(err, dto.ErrNoShortLink, "ErrNoShortLink")
 		}
 		return err
 	}
@@ -110,14 +118,14 @@ func (c *LinkController) GetInfo(ctx *gin.Context, req *dto.GetLinkInfoReq) (*dt
 	}
 
 	var link model.Link
-	err := dao.DB(ctx).First(&link, "Short = ?", getinfoLink.Short).Error
+	err := dao.DB(ctx).Where(&model.Link{Short: getinfoLink.Short}).First(&link).Error
 	if err != nil {
 		if err == gorm.ErrRecordNotFound {
 			logrus.Fatal(err)
+			return nil, stacktrace.PropagateWithCode(nil, dto.ErrNoShortLink, "ErrNoShortLink")
 		}
 		return nil, err
 	}
-
 	return &dto.GetLinkInfoResp{
 		Short:     link.Short,
 		Origin:    link.Origin,
@@ -142,15 +150,7 @@ func (c *LinkController) Update(ctx *gin.Context, req *dto.LinkUpdateReq) error
 	}
 	err := dao.DB(ctx).Updates(&updateLink).Error
 	if err != nil {
-		return err
-	}
-
-	var link model.Link
-	err = dao.DB(ctx).First(&link, "Short = ?", updateLink.Short).Error
-	if err != nil {
-		if err == gorm.ErrRecordNotFound {
 		logrus.Fatal(err)
-		}
 		return err
 	}
 	return nil
@@ -179,3 +179,15 @@ func (c *LinkController) GetList(ctx *gin.Context, req *dto.GetLinkListReq) (*dt
 
 	return resp, nil
 }
+
+// 生成短链接
+// 输入长链接（字符串） 返回短链接（字符串）
+func GenerateShort(origin string) string {
+	// 使用MD5哈希函数对长链接进行哈希计算
+	hash := md5.Sum([]byte(origin))
+	// 将哈希结果转换为16进制字符串
+	hashString := hex.EncodeToString(hash[:])
+	// 取哈希结果的前8个字符作为短链接
+	short := hashString[:8]
+	return short
+}

internal/controller/link_use_test.go

+package controller
+
+import (
+	"go-svc-tpl/api/dto"
+
+	"context"
+	"go-svc-tpl/internal/dao"
+	"go-svc-tpl/internal/dao/model"
+	"go-svc-tpl/utils/stacktrace"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/assert"
+	"gopkg.in/guregu/null.v4"
+)
+
+func setup() {
+
+	db := testInitDB()
+	var testDB = func(ctx context.Context) *dao.DBMS {
+		return &dao.DBMS{db.WithContext(ctx)}
+
+	}
+	dao.DB = testDB
+	gin.SetMode(gin.TestMode)
+}
+
+func TestMain(m *testing.M) {
+	setup()
+	m.Run()
+	teardown()
+}
+
+func teardown() {
+	dao.InitDB()
+	gin.SetMode(gin.ReleaseMode)
+}
+
+// TestLinkController_Create函数用于测试Create函数
+func TestLinkController_Create(t *testing.T) {
+
+	var tests = []struct {
+		userID    uint
+		input     dto.LinkCreateReq
+		errorCode stacktrace.ErrorCode
+	}{
+		// // 测试用例1：正常创建短链接，不指定short字段，使用默认生成的short值
+		// {
+		// 	userID: 1,
+		// 	input: dto.LinkCreateReq{
+		// 		Short:     "",
+		// 		Comment:   "test link 1",
+		// 		Origin:    "https://www.google.com",
+		// 		StartTime: null.TimeFrom(time.Now()),
+		// 		EndTime:   null.TimeFrom(time.Now().Add(24 * time.Hour)),
+		// 	},
+		// 	errorCode: 0,
+		// },
+		// 测试用例2：正常创建短链接，指定short字段，使用自定义的short值
+		{
+			userID: 2,
+			input: dto.LinkCreateReq{
+				Short:     "bing",
+				Comment:   "test link 2",
+				Origin:    "https://www.bing.com",
+				StartTime: null.TimeFrom(time.Now()),
+				EndTime:   null.TimeFrom(time.Now().Add(24 * time.Hour)),
+			},
+			errorCode: 0,
+		},
+		// // 测试用例3：创建短链接失败，因为short字段已经存在
+		// {
+		// 	userID: 3,
+		// 	input: dto.LinkCreateReq{
+		// 		Short:     "bing",
+		// 		Comment:   "test link 3",
+		// 		Origin:    "https://www.yahoo.com",
+		// 		StartTime: null.TimeFrom(time.Now()),
+		// 		EndTime:   null.TimeFrom(time.Now().Add(24 * time.Hour)),
+		// 	},
+		// 	errorCode: dto.ErrShortLinkExist,
+		// },
+	}
+	var testLinkCtl ILinkController
+	testLinkCtl = new(LinkController)
+	for _, test := range tests {
+		w := httptest.NewRecorder()
+		ctx, _ := gin.CreateTestContext(w)
+		ctx.Set(model.USER_ID_KEY, test.userID)
+		_, err := testLinkCtl.Create(ctx, &test.input)
+
+		if test.errorCode != 0 {
+			assert.Equal(t, test.errorCode, stacktrace.GetCode(err))
+			continue
+		}
+		assert.NoError(t, err)
+	}
+
+}

internal/controller/mid.go

 package controller
 
 import (
+	"go-svc-tpl/internal/dao"
+	"go-svc-tpl/internal/dao/model"
 	"net/http"
+	"strings"
+	"time"
 
 	"github.com/dgrijalva/jwt-go"
 	"github.com/gin-gonic/gin"
@@ -9,27 +13,99 @@ import (
 
 // 解析和验证身份认证令牌
 func ParseTokenMidware() gin.HandlerFunc {
-	return func(c *gin.Context) {
-		// 在此处添加解析和验证令牌的逻辑
-		tokenString := c.GetHeader("Authorization")
-		if tokenString == "" {
-			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "Missing token"})
+	return func(ctx *gin.Context) {
+
+		// 获取authorization header
+		tokenString := ctx.GetHeader("Authorization")
+
+		// validate token formate
+		if tokenString == "" || !strings.HasPrefix(tokenString, "Bearer ") {
+			ctx.JSON(http.StatusUnauthorized, gin.H{"code": 401, "message": "权限不足"})
+			ctx.Abort()
 			return
 		}
 
-		// 解析和验证令牌
-		token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
-			// 在此处添加密钥获取逻辑
-			// 通常从配置文件、环境变量等获取密钥
-			return []byte("your-secret-key"), nil
-		})
+		//提取token的有效部分（"Bearer "共占7位)
+		tokenString = tokenString[7:]
 
+		token, claims, err := ParseToken(tokenString)
 		if err != nil || !token.Valid {
-			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "Invalid token"})
+			ctx.JSON(http.StatusUnauthorized, gin.H{"code": 401, "message": "权限不足"})
+			ctx.Abort()
+			return
+		}
+
+		// 验证通过后获取claim 中的userId
+		userId := claims.UserId
+		DB := dao.DB
+		var user model.User
+		DB(ctx).First(&user, userId)
+
+		// 用户不存在
+		if user.ID == 0 {
+			ctx.JSON(http.StatusUnauthorized, gin.H{"code": 401, "message": "权限不足"})
+			ctx.Abort()
 			return
 		}
 
-		// 令牌验证通过，继续处理请求
-		c.Next()
+		// 用户存在将user的信息写入上下文，方便读取
+		ctx.Set("user", user)
+
+		ctx.Next()
+	}
+}
+
+// jwt加密密钥
+var jwtKey = []byte("a_secret_crect")
+
+// token的claim
+type Claims struct {
+	UserId uint
+	jwt.StandardClaims
+}
+
+// 发放token
+func ReleaseToken(user model.User) (string, error) {
+
+	//token的有效期
+	expirationTime := time.Now().Add(7 * 24 * time.Hour)
+
+	claims := &Claims{
+
+		//自定义字段
+		UserId: user.ID,
+		//标准字段
+		StandardClaims: jwt.StandardClaims{
+
+			//过期时间
+			ExpiresAt: expirationTime.Unix(),
+			//发放的时间
+			IssuedAt: time.Now().Unix(),
+			//发放者
+			Issuer: "127.0.0.1",
+			//主题
+			Subject: "user token",
+		},
+	}
+
+	//使用jwt密钥生成token
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	tokenString, err := token.SignedString(jwtKey)
+
+	if err != nil {
+		return "", err
 	}
+
+	//返回token
+	return tokenString, nil
+}
+
+// 从tokenString中解析出claims并返回
+func ParseToken(tokenString string) (*jwt.Token, *Claims, error) {
+	claims := &Claims{}
+
+	token, err := jwt.ParseWithClaims(tokenString, claims, func(token *jwt.Token) (i interface{}, err error) {
+		return jwtKey, nil
+	})
+	return token, claims, err
 }

internal/controller/server.go

@@ -36,20 +36,24 @@ func (c *ServerController) Link(ctx *gin.Context, req *dto.ServerLinkReq) error
 
 	if err := dao.DB(ctx).Where(&model.Link{Short: req.Short}).First(&link).Error; err != nil {
 		if err == gorm.ErrRecordNotFound {
-			// 如果找不到对应的长链接，返回404错误
-			ctx.JSON(http.StatusNotFound, gin.H{"error": "Link not found"})
+			// 如果找不到对应的长链接，返回 短连接不存在(6) 错误
+			ctx.JSON(dto.ErrNoShortLink, gin.H{
+				"error": "Link not found",
+			})
 		} else {
 			// 如果发生其他错误，返回500错误
-			ctx.JSON(http.StatusInternalServerError, gin.H{"error": "Internal server error"})
+			ctx.JSON(dto.InternalError, gin.H{
+				"error": "Internal server error",
+			})
 		}
 		return err
 	}
-
 	// 如果找到了对应的长链接，进行重定向
 	ctx.Redirect(http.StatusMovedPermanently, link.Origin)
 	return nil
 }
 
+// 返回验证码的图片
 func (c *ServerController) Veri(ctx *gin.Context, req *dto.ServerVeriReq) error {
 	// 获取验证码ID
 	id := req.Target

internal/controller/testDB.go

+package controller
+
+import (
+	"go-svc-tpl/internal/dao/model"
+
+	_ "github.com/go-sql-driver/mysql"
+	"gorm.io/driver/mysql"
+	"gorm.io/gorm"
+)
+
+var DB *gorm.DB
+
+func testInitDB() *gorm.DB {
+	// 参考 https://github.com/go-sql-driver/mysql#dsn-data-source-name 获取详情
+	dsn := "root:1351508.@tcp(127.0.0.1:3306)/demo?charset=utf8mb4&parseTime=True&loc=Local"
+	db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})
+	if err != nil {
+		panic("failed to connect database, err:" + err.Error())
+	}
+
+	//迁移
+	db.AutoMigrate(&model.Link{})
+
+	DB = db
+
+	return db
+
+}
+
+func GetDB() *gorm.DB {
+	return DB
+}

utils/stacktrace/stacktrace.go

@@ -131,7 +131,9 @@ PropagateWithCode is similar to Propagate but also attaches an error code.
 func PropagateWithCode(cause error, code ErrorCode, msg string, vals ...interface{}) error {
 	if cause == nil {
 		// Allow calling PropagateWithCode without checking whether there is error
-		return nil
+		//return nil
+		return create(nil, code, msg)
+		//&stacktrace{cause: nil, code: code, message: msg}
 	}
 	return create(cause, code, msg, vals...)
 }
@@ -172,7 +174,7 @@ func GetCode(err error) ErrorCode {
 	if err, ok := err.(*stacktrace); ok {
 		return err.code
 	}
-	return NoCode
+	return 1//NoCode
 }
 
 type stacktrace struct {