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65 行
1.6 KiB
65 行
1.6 KiB
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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