暂时去掉cookie，能够接收发送文件，但是尚未与数据库交互，链接未编码隐藏(本地路径）

.gitignore

 config.yaml
 backend/files
+.history/
\ No newline at end of file

.history/backend/app/middleware/login_20221216215609.go

+package middleware
+
+import (
+	"github.com/labstack/echo/v4"
+	//"http/net"
+	//"pastebin_backend/app/controller"
+)
+
+func Auth(next echo.HandlerFunc) echo.HandlerFunc {
+	return func(c echo.Context) error {
+		//c.Bind("User")
+		/*
+		cookie, _ := c.Cookie("user")
+		if cookie == nil {
+			err := controller.AskPasswd(c)
+			if err != nil {
+				return nil
+			}
+		}*/
+		//c.Set("uid", cookie.Value)
+		c.Set("uid", 114514)
+		return next(c)
+	}
+}
+
+/*
+func CookieAuth(c echo.Context) error{
+	cookie, err := c.Cookie()
+
+	if err != nil {
+		return err
+	}
+
+}*/

.history/backend/app/middleware/login_20221216223311.go

+package middleware
+
+import (
+	"github.com/labstack/echo/v4"
+	//"http/net"
+	//"pastebin_backend/app/controller"
+)
+
+func Auth(next echo.HandlerFunc) echo.HandlerFunc {
+	return func(c echo.Context) error {
+		//c.Bind("User")
+		/*
+			cookie, _ := c.Cookie("user")
+			if cookie == nil {
+				err := controller.AskPasswd(c)
+				if err != nil {
+					return nil
+				}
+			}*/
+		//c.Set("uid", cookie.Value)
+		c.Set("uid", 114514)
+		return next(c)
+	}
+}
+
+/*
+func CookieAuth(c echo.Context) error{
+	cookie, err := c.Cookie()
+
+	if err != nil {
+		return err
+	}
+
+}*/

backend/app/controller/interface.go

@@ -4,10 +4,11 @@ import (
 	"net"
 	"net/http"
 	"pastebin_backend/app/response"
+	//"pastebin_backend/model"
 
 	//"error"
 	"github.com/labstack/echo/v4"
-
+	//"time"
 	//"encoding/json"
 	"fmt"
 	"io"
@@ -23,6 +24,7 @@ type File struct {
 	Expiration int    `json:"expiration"`
 	User       string `json:"user"`
 	Passwd     string `json:"passwd"`
+	//Expiry     time.Time `json:"expiry"` // 有效期
 	//Content string `json:"content"`
 }
 
@@ -115,7 +117,11 @@ func RecvFile(c echo.Context) error {
 	}
 	filePath := "./files/" + info.FileType + "/" + file.Filename
 	dst, err := os.Create(filePath)
-	//dst, err := os.Create(file.Filename)
+	// 获取文件大小
+	fi,_:=dst.Stat()
+    if fi.Size()>8*1024*10224{
+		c.HTML(http.StatusOK, fmt.Sprintf("<p>文件上传失败: 文件大小超过8MB</p>"))
+	}
 
 	if err != nil {
 		fmt.Println(err)
@@ -128,6 +134,18 @@ func RecvFile(c echo.Context) error {
 		return err
 	}
 
+    // 更新数据库
+	/*
+	dinfo:=model.Users{
+		Username: info.User,
+		Passwd: info.Passwd,
+		Name:info.FileName,// 无后缀
+		Size: uint(fi.Size()),
+		Route:filePath,
+		//Time1: info.Expiry,
+	}*/
+
+
 	return c.HTML(http.StatusOK, fmt.Sprintf("<p>文件上传成功: %s</p>", file.Filename))
 }
 
@@ -146,10 +164,16 @@ func SendFile(c echo.Context) error {
 		fmt.Println(err)
 		return err
 	}
+	fi,err:=src.Stat()
+	if err != nil{
+		return err
+	}
+	
 	defer func() {
 		src.Close()
 	}()
-	data := make([]byte, 8*1024*1024)
+	
+	data := make([]byte, fi.Size())
 	count, err := src.Read(data)
 	//return response.SendResponse(c, http.StatusOK, "", "pong!")
 	count = count

backend/app/middleware/login.go

@@ -3,19 +3,20 @@ package middleware
 import (
 	"github.com/labstack/echo/v4"
 	//"http/net"
-	"pastebin_backend/app/controller"
+	//"pastebin_backend/app/controller"
 )
 
 func Auth(next echo.HandlerFunc) echo.HandlerFunc {
 	return func(c echo.Context) error {
 		//c.Bind("User")
+		/*
 			cookie, _ := c.Cookie("user")
 			if cookie == nil {
 				err := controller.AskPasswd(c)
 				if err != nil {
 					return nil
 				}
-		}
+			}*/
 		//c.Set("uid", cookie.Value)
 		c.Set("uid", 114514)
 		return next(c)