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add upload file example.

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Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
This commit is contained in:
Bo-Yi Wu 2017-01-03 11:50:35 +08:00
parent 6596aa3b71
commit 17af53a565
5 changed files with 109 additions and 1 deletions
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4
README.md
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@ -233,7 +233,7 @@ id: 1234; page: 1; name: manu; message: this_is_great
#### upload single file
References issue [#774](https://github.com/gin-gonic/gin/issues/774).
References issue [#774](https://github.com/gin-gonic/gin/issues/774) and detail [example code](examples/upload-file/single).
```go
func main() {
@ -259,6 +259,8 @@ curl -X POST http://localhost:8080/upload \
#### upload multiple files
See the detail [example code](examples/upload-file/multiple).
```go
func main() {
router := gin.Default()

39
examples/upload-file/multiple/main.go Normal file
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@ -0,0 +1,39 @@
package main
import (
"fmt"
"io"
"net/http"
"os"
"github.com/gin-gonic/gin"
)
func main() {
router := gin.Default()
router.Static("/", "./public")
router.POST("/upload", func(c *gin.Context) {
name := c.PostForm("name")
email := c.PostForm("email")
// Multipart form
form, _ := c.MultipartForm()
files := form.File["files"]
for _, file := range files {
// Source
src, _ := file.Open()
defer src.Close()
// Destination
dst, _ := os.Create(file.Filename)
defer dst.Close()
// Copy
io.Copy(dst, src)
}
c.String(http.StatusOK, fmt.Sprintf("Uploaded successfully %d files with fields name=%s and email=%s.", len(files), name, email))
})
router.Run(":8080")
}

17
examples/upload-file/multiple/public/index.html Normal file
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@ -0,0 +1,17 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Multiple file upload</title>
</head>
<body>
<h1>Upload multiple files with fields</h1>
<form action="/upload" method="post" enctype="multipart/form-data">
Name: <input type="text" name="name"><br>
Email: <input type="email" name="email"><br>
Files: <input type="file" name="files" multiple><br><br>
<input type="submit" value="Submit">
</form>
</body>
</html>

34
examples/upload-file/single/main.go Normal file
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@ -0,0 +1,34 @@
package main
import (
"fmt"
"io"
"net/http"
"os"
"github.com/gin-gonic/gin"
)
func main() {
router := gin.Default()
router.Static("/", "./public")
router.POST("/upload", func(c *gin.Context) {
name := c.PostForm("name")
email := c.PostForm("email")
// Source
file, _ := c.FormFile("file")
src, _ := file.Open()
defer src.Close()
// Destination
dst, _ := os.Create(file.Filename)
defer dst.Close()
// Copy
io.Copy(dst, src)
c.String(http.StatusOK, fmt.Sprintf("File %s uploaded successfully with fields name=%s and email=%s.", file.Filename, name, email))
})
router.Run(":8080")
}

16
examples/upload-file/single/public/index.html Normal file
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@ -0,0 +1,16 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Single file upload</title>
</head>
<body>
<h1>Upload single file with fields</h1>
<form action="/upload" method="post" enctype="multipart/form-data">
Name: <input type="text" name="name"><br>
Email: <input type="email" name="email"><br>
Files: <input type="file" name="file"><br><br>
<input type="submit" value="Submit">
</form>
</body>