后端添加thumbnail接口

master
a7458969 2020-03-28 01:11:28 +08:00
parent ac8850da45
commit fc4176568e
2 changed files with 35 additions and 7 deletions

View File

@ -2,12 +2,8 @@
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View File

@ -1,8 +1,11 @@
package controller
import (
"github.com/disintegration/imaging"
"github.com/gin-gonic/gin"
uuid "github.com/satori/go.uuid"
"image"
"image/color"
"io/ioutil"
"log"
"net/http"
@ -70,7 +73,7 @@ func (this *FileController) OnUpload(c *gin.Context) {
}
}
func (this *FileController) OnDownLoad(c *gin.Context) {
func (this *FileController) OnThumbnail(c *gin.Context) {
resp := RespBase{Msg:"FAIL",Status: 211}
fileName := c.Param("file")
@ -79,7 +82,36 @@ func (this *FileController) OnDownLoad(c *gin.Context) {
return
}
file,e := os.Open("/home/ubuntu/api/bin/image/" +fileName)
// input files
files := []string{"/home/ubuntu/api/bin/image/" +fileName}
// load images and make 100x100 thumbnails of them
var thumbnails []image.Image
for _, file := range files {
img, err := imaging.Open(file)
if err != nil {
panic(err)
}
thumb := imaging.Thumbnail(img, 100, 100, imaging.CatmullRom)
thumbnails = append(thumbnails, thumb)
}
// create a new blank image
dst := imaging.New(100*len(thumbnails), 100, color.NRGBA{0, 0, 0, 0})
// paste thumbnails into the new image side by side
for i, thumb := range thumbnails {
dst = imaging.Paste(dst, thumb, image.Pt(i*100, 0))
}
// save the combined image to file
err := imaging.Save(dst, "/home/ubuntu/api/bin/image/thumbnail_" + fileName)
if err != nil {
log.Print(err.Error())
return
}
// open file
file,e := os.Open("/home/ubuntu/api/bin/image/thumbnail_" + fileName)
if nil != e{
log.Print(e.Error())
c.JSON(200,resp)
@ -101,7 +133,7 @@ func (this *FileController) OnDownLoad(c *gin.Context) {
}
func (this *FileController) OnThumbnail(c *gin.Context) {
func (this *FileController) OnDownLoad(c *gin.Context) {
resp := RespBase{Msg:"FAIL",Status: 211}
fileName := c.Param("file")