4 değiştirilmiş dosya ile 78 ekleme ve 5 silme
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package controllers |
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import ( |
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"github.com/astaxie/beego" |
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"path" |
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"time" |
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"os" |
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"fmt" |
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"crypto/md5" |
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"math/rand" |
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"beeblog/models" |
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) |
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type FileController struct { |
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beego.Controller |
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} |
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func (this *FileController) Upload() { |
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filename := "" |
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for filename, _ = range this.Ctx.Request.MultipartForm.File {} |
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f, h, filerr := this.GetFile(filename) //获取上传的文件
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if filerr != nil { |
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fmt.Println("err:", filerr) |
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this.Data["json"] = models.ReurnError(500, "后缀名不符合上传要求") |
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this.ServeJSON() |
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return |
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} |
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ext := path.Ext(h.Filename) |
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//验证后缀名是否符合要求
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var AllowExtMap map[string]bool = map[string]bool{ |
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".jpg": true, |
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".jpeg": true, |
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".png": true, |
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} |
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if _, ok := AllowExtMap[ext]; !ok { |
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this.Data["json"] = models.ReurnError(500, "后缀名不符合上传要求") |
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this.ServeJSON() |
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return |
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} |
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//创建目录
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uploadDir := "static/upload/" + time.Now().Format("2006/01/02/") |
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err := os.MkdirAll(uploadDir, 777) |
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if err != nil { |
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this.Data["json"] = models.ReurnError(500, "") |
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this.ServeJSON() |
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return |
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} |
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//构造文件名称
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rand.Seed(time.Now().UnixNano()) |
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randNum := fmt.Sprintf("%d", rand.Intn(9999)+1000) |
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hashName := md5.Sum([]byte( time.Now().Format("2006_01_02_15_04_05_") + randNum )) |
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fileName := fmt.Sprintf("%x", hashName) + ext |
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fpath := uploadDir + fileName |
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defer f.Close() //关闭上传的文件,不然的话会出现临时文件不能清除的情况
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err = this.SaveToFile(filename, fpath) |
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if err != nil { |
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fmt.Println(err) |
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this.Data["json"] = models.ReurnError(500, "") |
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this.ServeJSON() |
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return |
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} |
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this.Data["json"] = models.ReurnData("",fpath) |
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this.ServeJSON() |
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return |
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} |
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