facebook-graph-api - Facebook Graph API帖子错误地显示了一些消息字符

Question

我正在尝试使用facebook graph api将消息发布到用户墙上。
https://graph.facebook.com/me/feed

å，ä或ö等字符会以����等符号错误显示。

我在请求中发送的所有相关事件参数(消息，名称，描述)周围都使用了apacheCommons StringEscapeUtils.encodeHtml。

def params = [
                accessToken: getFacebookAccessToken(),
                message: StringEscapeUtils.escapeHtml(deal.title),
                pictureUrl: imageUrl,
                name: StringEscapeUtils.escapeHtml(deal.title),
                description: StringEscapeUtils.escapeHtml(deal.shortDescription),
                actionLabel: StringEscapeUtils.escapeHtml(actionLabel),
                actionUrl: actionUrl
        ]

def graph(path, params, method = GET, contentType = JSON) {
        def http = null

        http = new TrustAllHttpBuilder(ConfigurationHolder.config.facebook.graph.uri)

        http.request( method, contentType) { req ->

            uri.path = path

        req.getParams().setParameter(ClientPNames.COOKIE_POLICY, CookiePolicy.IGNORE_COOKIES );
        req.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, connectionTimeout );
        req.getParams().setParameter(CoreConnectionPNames.SO_TIMEOUT, socketTimeout );

            requestContentType = URLENC

        body = params

            response.success = { resp, obj ->
                return obj

            }
        }
    }

更改后，“名称”和“描述”在Facebook中正确显示，但“消息”仍然无法正确呈现。

有什么想法为什么“消息”没有正确显示？
FB处理方式是否不同？

谢谢

更新资料

在发送JSON请求正文之前，我将参数调整为URLEncoded为UTF-8。

def params = [
                accessToken: getFacebookAccessToken(),
                message: URLEncoder.encode(deal.title,"UTF-8"),
                pictureUrl: imageUrl,
                name: URLEncoder.encode(deal.title,"UTF-8"),
                description: URLEncoder.encode(deal.shortDescription,"UTF-8"),
                actionLabel: URLEncoder.encode(actionLabel,"UTF-8"), 
                actionUrl: actionUrl
        ]

要求:

14:49:13 DEBUG [FacebookService] body: Message: Tommy+%C3%80%C3%84%C4%87%C3%95,Name: Tommy+%C3%80%C3%84%C4%87%C3%95,Description: %C3%80%C3%84%C4%87%C3%95%C3%80%C3%84%C4%87%C3%95,Caption: ,Action Label: TEST,ActionUrl: http://www.mytest.com


14:49:51 DEBUG [FacebookService] Calling facebook graph API https://graph.facebook.com/me/feed
14:49:51 DEBUG [TrustAllHttpBuilder] POST https://graph.facebook.com/me/feed
14:49:52 DEBUG [headers] >> POST /me/feed HTTP/1.1
14:49:52 DEBUG [headers] >> Accept: application/json, application/javascript, text/javascript
14:49:52 DEBUG [headers] >> Content-Length: 475
14:49:52 DEBUG [headers] >> Content-Type: application/x-www-form-urlencoded; charset=windows-1252
14:49:52 DEBUG [headers] >> Host: graph.facebook.com
14:49:52 DEBUG [headers] >> Connection: Keep-Alive
14:49:53 DEBUG [headers] << HTTP/1.1 200 OK
14:49:53 DEBUG [headers] << Access-Control-Allow-Origin: *
14:49:53 DEBUG [headers] << Cache-Control: private, no-cache, no-store, must-revalidate
14:49:53 DEBUG [headers] << Content-Type: application/json
14:49:53 DEBUG [headers] << Expires: Sat, 01 Jan 2000 00:00:00 GMT
14:49:53 DEBUG [headers] << Pragma: no-cache
14:49:53 DEBUG [headers] << X-FB-Rev: 
14:49:53 DEBUG [headers] << X-FB-Debug:
14:49:53 DEBUG [headers] << Date: Fri, 05 Oct 2012 13:49:52 GMT
14:49:53 DEBUG [headers] << Connection: keep-alive
14:49:53 DEBUG [headers] << Content-Length: 40

FB中的结果(不起作用):

Answer 1

escapeHtml是错误的方法–您将看到消息现在如何显示HTML实体。您不想发布HTML代码，而是想发布纯文本。

Charchters like å, ä or ö would display incorrectly with symbols like ���...

这很可能是因为您的应用程序使用了错误的字符编码。
确保使用UTF-8。 (或者，在无法将参数值传递给API之前，请将其转换为UTF-8)。
编辑:

I tried converting the params to UTF-8 before

14:49:13 DEBUG [FacebookService] body: Message: Tommy+%C3%80%C3%84%C4%87%C3%95,Name: …

这些是URL编码的UTF-8字符。 URL编码在这里适得其反。

14:49:52 DEBUG [headers] >> Content-Type: application/x-www-form-urlencoded; charset=windows-1252

您不要如此公然地躺在API的脸上:-)
认真地，找出使您的应用程序在请求 header 中发送该字符集的原因–以及如何将其更改为UTF-8(或完全保留字符集部分)。