英文:
Importing CSV file from form and parsing the results with GO
问题
所以我正在尝试导入一个从Excel转换而来的包含两列问题和答案的CSV文件。我只想解析文件并将其打印到控制台。当我选择我的文件sample.csv时，它只会退出并显示文件未找到的错误。任何帮助都将是很大的帮助。
HTML
<form class="form-horizontal" method="post" action="/deck/{{ .deck.Id }}/bulkimport" >
<div class="form-group">
<div class="col-lg-10">
<div class="alert alert-info">
<input type="file" name="file" style="visibility: hidden;" id="pdffile"/>
<label>选择文件</label>
<div class="input-append">
<input type="text" id="subfile" class="input-xlarge"/>
<a class="btn" onclick="$('#pdffile').click();">浏览</a>
</div>
<br/>
<!-- <button id="showHidden" class="btn btn-warning">显示/隐藏输入字段</button> -->
<input name="deck" value="{{.deck.Id}}" hidden>
<button class="btn btn-primary" type="submit" name="submit">上传</button>
</div>
</div>
</div>
</form>
GO FUNCTION
func BulkImortFlashCardsFormPage (req *http.Request, params martini.Params, c Flashcard,errors binding.Errors, r render.Render,session sessions.Session, db *DB) {
id := params["id"]
f, _, err := req.FormFile("file")
if err != nil {
// log.Fatal("找不到文件")
session.AddFlash(FlashError {"global", "找不到文件", "", "error"})
r.Redirect("/deck/" + id + "/cardlist")
return
}
defer f.Close()
reader := csv.NewReader(f)
record, err := reader.ReadAll()
if err != nil {
fmt.Println("错误:", err)
return
}
for _, line := range record {
fmt.Println(line[1])
}
session.AddFlash(FlashError {"global", "卡片创建成功", "", "success"})
r.Redirect("/deck/" + id + "/cardlist")
return
}
英文:
So I have am trying to import a csv file I converted from excel that has two columns a question and answer. I just want to parse the file and print it to console for now. When I select my file sample.csv it just does an exit 1 and says file not found. Any help would be a big help.
HTML
<form class="form-horizontal" method="post" action="/deck/{{ .deck.Id }}/bulkimport" >
<div class="form-group">
<div class="col-lg-10">
<div class="alert alert-info">
<input type="file" name="file" style="visibility: hidden;" id="pdffile"/>
<label>Choose A File</label>
<div class="input-append">
<input type="text" id="subfile" class="input-xlarge"/>
<a class="btn" onclick="$('#pdffile').click();">Browse</a>
</div>
<br/>
<!-- <button id="showHidden" class="btn btn-warning">Show/Hide Input Field</button> -->
<input name="deck" value="{{.deck.Id}}" hidden>
<button class="btn btn-primary" type="submit" name="submit">Upload</button>
</div>
</div>
</div>
</form>
GO FUNCTION
func BulkImortFlashCardsFormPage (req *http.Request, params martini.Params, c Flashcard,errors binding.Errors, r render.Render,session sessions.Session, db *DB) {
id := params["id"]
f, _, err := req.FormFile("file")
if err != nil {
// log.Fatal("Can't Find File ")
session.AddFlash(FlashError {"global", "File not found", "", "error"})
r.Redirect("/deck/" + id + "/cardlist")
return
}
defer f.Close()
reader := csv.NewReader(f)
record, err := reader.ReadAll()
if err != nil {
fmt.Println("Error:", err)
return
}
for _, line := range record {
fmt.Println(line[1])
}
session.AddFlash(FlashError {"global", "Cards created succesfully", "", "success"})
r.Redirect("/deck/" + id + "/cardlist")
return
}
答案1
得分: 1
错误在于您的HTML表单根本没有发送文件：为此，您需要在表单标签上声明enctype="multipart/form-data"属性。像这样：
<form method="post" action="/deck/{{ .deck.Id }}/bulkimport" enctype="multipart/form-data">
[…]
</form>
英文:
The error is that your HTML form isn't sending the file at all : for that you need to declare the enctype="multipart/form-data" attribute on your form tag. Like that :
<form method="post" action="/deck/{{ .deck.Id }}/bulkimport" enctype="multipart/form-data">
[…]
</form>
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