这篇文章我们主要讲gin框架的文件上传功能
1、单文件上传
package main
import (
"fmt"
"github.com/gin-gonic/gin"
"net/http"
)
func main() {
router := gin.Default()
router.POST("/upload", func(c *gin.Context) {
file, _ := c.FormFile("file")
// 上传文件至指定目录
if err := c.SaveUploadedFile(file, "./upload/"+file.Filename); err != nil {
fmt.Println(err)
}
c.String(http.StatusOK, fmt.Sprintf("'%s' uploaded!", file.Filename))
})
router.Run(":8080")
}
postman示例
curl示例
curl --location --request POST 'http://127.0.0.1:8080/upload' \
--header 'Content-Type: multipart/form-data; boundary=--------------------------091075461974876853112895' \
--form 'file=@/C:/Users/Administrator/Pictures/go.jpg'
2、多文件上传
package main
import (
"fmt"
"github.com/gin-gonic/gin"
"net/http"
)
func main() {
router := gin.Default()
router.POST("/upload", func(c *gin.Context) {
file, _ := c.FormFile("file")
// 上传文件至指定目录
if err := c.SaveUploadedFile(file, "./upload/"+file.Filename); err != nil {
fmt.Println(err)
}
c.String(http.StatusOK, fmt.Sprintf("'%s' uploaded!", file.Filename))
})
router.POST("/upload/multi", func(c *gin.Context) {
// Multipart form
form, _ := c.MultipartForm()
files := form.File["file[]"]
for _, file := range files {
if err := c.SaveUploadedFile(file, "./upload/"+file.Filename); err != nil {
fmt.Println(err)
}
}
c.String(http.StatusOK, fmt.Sprintf("%d files uploaded!", len(files)))
})
router.Run(":8080")
}
postman示例
curl示例
curl --location --request POST 'http://127.0.0.1:8080/upload/multi' \
--header 'Content-Type: multipart/form-data; boundary=--------------------------296843343751307885084965' \
--form 'file[]=@/C:/Users/Administrator/Pictures/go.jpg' \
--form 'file[]=@/C:/Users/Administrator/Pictures/a.jpg'
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