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CORS预检频道没有成功

我正在尝试使用PHP REST框架构建一个Ember应用程序作为我的api本地.Ember应用程序正在服务,http://localhost:4200api正在服务http://localhost.这导致了CORS问题.我已经尝试了我能想到的所有内容,但我一直收到错误,说请求被阻止,预检频道没有成功.它在Firefox或Chrome中无法成功.

我已将以下内容添加到.htaccess我的api文件中:

Header set Access-Control-Allow-Methods "GET, POST, OPTIONS"
Header set Access-Control-Allow-Origin "http://localhost:4200"
Header set Access-Control-Allow-Credentials true
Header set Access-Control-Allow-Headers "accept, content-type"
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这是我的请求标题:

Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:39.0) Gecko/20100101 Firefox/39.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Origin: http://localhost:4200
Access-Control-Request-Method: POST
Access-Control-Request-Headers: content-type
Connection: keep-alive
Pragma: no-cache
Cache-Control: no-cache
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响应头:

Access-Control-Allow-Credentials: true
Access-Control-Allow-Headers: accept, content-type
Access-Control-Allow-Methods: GET, POST, OPTIONS
Access-Control-Allow-Origin: http://localhost:4200
Connection: close
Content-Type: text/html; charset=utf-8
Date: Fri, 24 Jul …
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cross-domain cors ember.js ember-simple-auth

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