英文:
Resource interpreted as Image but transferred with MIME type text/html appengine go
问题
我无法在更新为新版本的go appengine后将图像加载到页面中。我不知道我漏掉了什么，但在此之前，这通常是相当简单的。
我能够编译代码，但当我在浏览器上启动应用程序时，我收到以下消息：
> 资源被解释为图像，但传输的MIME类型为text/html：http://[...]/img/myimg.jpg
我的应用程序就像这样简单：
index.html
<!DOCTYPE html>
<html>
<title>Hello</title>
<head>
</head>
<body>
<h1>欢迎来到我的网站</h1>
<img src="img/myimg.png" />
</body>
</html>
app.yaml
application: myapp
version: 1
runtime: go
api_version: go1
handlers:
- url: /.*
script: _go_app
- url: /img
static_dir: img
mime_type: image/jpg
hello.go
package hello
import (
"net/http"
"text/template"
)
func init() {
http.HandleFunc("/", handler)
}
func handler(w http.ResponseWriter, r *http.Request) {
template.Must(template.ParseFiles("index.html")).Execute(w, nil)
}
文档中提到："每个文件都使用与其文件扩展名对应的MIME类型进行服务，除非被目录的mime_type设置覆盖"，然而，无论我是否在app.yaml文件中定义mime_type，都没有任何区别。
论坛上有许多相关的问题，但我找不到任何能有效解决这个问题的答案。
只是作为一种说明，我尝试使用不同的图像（jpg和png）来确保它不是图像本身的问题。我还将相同的应用程序（html和图像）部署到apache web服务器上，它可以正常工作。
英文:
I can't load images into a page after updating for the new version of go appengine. I don't know what I'm missing, but it used to be pretty straight forward before.
I'm able to compile the code, but when I launch the app on the browser I'm getting the message:
> Resource interpreted as Image but transferred with MIME type text/html: http://[...]/img/myimg.jpg
My app is as simple as this:
index.html
<!DOCTYPE html>
<html>
<title>Hello</title>
<head>
</head>
<body>
<h1>Welcome to my website</h1>
<img src="img/myimg.png" />
</body>
</html>
app.yaml
application: myapp
version: 1
runtime: go
api_version: go1
handlers:
- url: /.*
script: _go_app
- url: /img
static_dir: img
mime_type: image/jpg
hello.go
package hello
import (
"net/http"
"text/template"
)
func init() {
http.HandleFunc("/", handler)
}
func handler(w http.ResponseWriter, r *http.Request) {
template.Must(template.ParseFiles("index.html")).Execute(w, nil)
}
The documentation says: "Each file is served using the MIME type that corresponds with its filename extension unless overridden by the directory's mime_type setting", however it does not make a difference whether or not I define the mime_type in the app.yaml file.
There are many related questions on this forum but I couldn't find any answer that could effectively solve the issue.
Just as a note, I've tried with different images (jpg and png) to make sure it wasn't a issue with the image itself. I also deployed the same app (html and image) to apache webserver and it works fine.
答案1
得分: 2
你的app.yaml文件有问题，你的img处理程序应该放在第一位，目前img/myimg.jpg将由你的主要应用程序处理，因此返回的是text/html响应。
记住，处理程序的匹配顺序是按照定义的顺序进行的，如果你在正则表达式中使用/.*，你的主处理程序将捕获所有内容。
另外，你的图片标签应该是绝对路径，否则如果你有多个页面深度，你的相对图片路径将被附加到页面上。
英文:
You app.yaml is wrong, your img handler should be first, at the moment img/myimg.jpg will be handled by your main app handler, hence the text/html response.
Remember handlers are matched in the order they are defined and your main handler will catch everything if you use /.* as your regex.
Also your image tag should be absolute otherwise if you have more than one page deep you relative img path will be appended to the page.
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