文件下载

+package v1
+
+import (
+	"fmt"
+	"github.com/astaxie/beego"
+	"opp/controllers"
+	"opp/internal/utils"
+	"opp/protocol"
+	"path/filepath"
+	"strings"
+)
+
+type FileController struct {
+	controllers.BaseController
+}
+
+// DownLoad
+// @router /opp/file [post]
+func (this *FileController) DownLoad() {
+	var (
+		msg *protocol.ResponseMessage
+		err error
+		rsp *protocol.FileResponse = &protocol.FileResponse{}
+	)
+	defer func() {
+		if msg.Errno != 0 {
+			this.Resp(msg)
+		}
+	}()
+	fileUrl := this.Ctx.Request.RequestURI
+	filePath := strings.Replace(fileUrl, "/file/opp", "", 1)
+	filePath = filepath.Join(beego.AppConfig.String("source_path"), filePath)
+	if utils.Exists(filePath) {
+		this.Ctx.Output.Download(filePath)
+	} else {
+		err = protocol.NewCustomMessage(0, fmt.Sprintf("文件不存在:%v", filePath))
+	}
+	msg = protocol.NewReturnResponse(rsp, err)
+}

+package utils
+
+import "os"
+
+// 判断所给路径文件/文件夹是否存在
+func Exists(path string) bool {
+	_, err := os.Stat(path) //os.Stat获取文件信息
+	if err != nil {
+		if os.IsExist(err) {
+			return true
+		}
+		return false
+	}
+	return true
+}
+
+// 判断所给路径是否为文件夹
+func IsDir(path string) bool {
+	s, err := os.Stat(path)
+	if err != nil {
+		return false
+	}
+	return s.IsDir()
+}
+
+// 判断所给路径是否为文件
+func IsFile(path string) bool {
+	return !IsDir(path)
+}

@@ -287,6 +287,14 @@ func init() {
 			MethodParams:     param.Make(),
 			Params:           nil})
 
+	beego.GlobalControllerRouter["opp/controllers/v1:FileController"] = append(beego.GlobalControllerRouter["opp/controllers/v1:FileController"],
+		beego.ControllerComments{
+			Method:           "DownLoad",
+			Router:           `/opp/file`,
+			AllowHTTPMethods: []string{"post"},
+			MethodParams:     param.Make(),
+			Params:           nil})
+
 	beego.GlobalControllerRouter["opp/controllers/v1:MessageController"] = append(beego.GlobalControllerRouter["opp/controllers/v1:MessageController"],
 		beego.ControllerComments{
 			Method:           "AnnouncementRead",

@@ -33,7 +33,9 @@ func init() {
 
 	nsH5 := beego.NewNamespace("h5", beego.NSBefore(controllers.LogRequestData), beego.NSBefore(controllers.AllowOption), beego.NSInclude(&controllers.H5Controller{}))
 	beego.AddNamespace(nsH5)
-
+	//post 下载文件
+	beego.Router("/file/opp/*", &v1.FileController{}, "post:DownLoad")
+	//get 直接获取文件
 	beego.SetStaticPath("/file/opp", beego.AppConfig.String("source_path"))
 	beego.SetStaticPath("/log", beego.AppConfig.String("aliyun_logs_access"))
 	beego.Handler("/metrics", promhttp.Handler())

@@ -67,7 +67,7 @@ func UploadFile(request *protocol.FileRequest) (rsp *protocol.FileResponse, err
 			return
 		}
 	}
-	virtualPath = beego.AppConfig.String("source_host") + filepath.Join(virtualPath, request.FileType, date)
+	virtualPath = fmt.Sprintf("%v%v/%v/%v", beego.AppConfig.String("source_host"), virtualPath, request.FileType, date)
 	for i := range request.Files {
 		f := request.Files[i]
 		prefix := fmt.Sprintf("%v_%v", time.Now().Unix(), common.RandomString(32))