码农笔录博客源码
Du kan inte välja fler än 25 ämnen Ämnen måste starta med en bokstav eller siffra, kan innehålla bindestreck ('-') och vara max 35 tecken långa.
 
 
 
 
 

65 rader
1.6 KiB

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