[英]Why isn't express-js setting the Content-Type header?
I have the following: 我有以下内容:
var express = require('express'),
app = express.createServer();
app.get("/offline.manifest", function(req, res){
res.contentType("text/cache-manifest");
res.end("CACHE MANIFEST");
});
app.listen(8561);
The network tab in Chrome says it's text/plain
. Chrome中的网络标签显示为
text/plain
。 Why isn't it setting the header? 为什么不设置标题?
The code above works, my problems were caused by a linking to an old version of express-js 上面的代码有效,我的问题是由链接到旧版本的express-js引起的
res.type('json')
现在也有效,正如其他人所说,你可以简单地使用
res.json({your: 'object'})
Try this code: 试试这段代码:
var express = require('express'),
app = express.createServer();
app.get("/offline.manifest", function(req, res){
res.header("Content-Type", "text/cache-manifest");
res.end("CACHE MANIFEST");
});
app.listen(8561);
(I'm assuming you are using the latest release of express, 2.0.0) (我假设您使用的是最新版本的Express,2.0.0)
UPDATE: I just did a quick test using Firefox 3.6.x and Live HTTP Headers. 更新:我刚刚使用Firefox 3.6.x和Live HTTP Headers进行了快速测试。 This is the addons output:
这是插件输出:
HTTP/1.1 200 OK
X-Powered-By: Express
Content-Type: text/cache-manifest
Connection: keep-alive
Transfer-Encoding: chunked
Make sure you clear your cache before trying. 确保在尝试之前清除缓存。
instead of res.send()
而不是
res.send()
use res.json()
which automatically sets the content-type to application/json
使用
res.json()
自动将content-type设置为application/json
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