has been blocked by CORS policy: Response to preflight request doesn‘t pass access control check 報錯
和後臺聯調接口遇到一下問題，乍一看是跨域問題，但其實並不是跨域問題。由於瀏覽器將CORS請求分爲兩類：簡單請求（simple request）和非簡單請求（not-simple-request）。非簡單請求 會在正式通信之前，增加一次HTTP請求，稱之爲預檢請求。瀏覽器會先發起OPTIONS方法到服務器，以獲知服務器是否允許該實際請求。 這是在第一次預請求時候沒有請求成功，預請求不成功。 第一，先
相關文章
- 1. Response to preflight request doesn't pass access control check
- 2. Response to preflight request doesn‘t pass access control check: It does not have HTTP ok status.
- 3. GO + React + Axios Response to preflight request doesn't pass access control check: It does not hav
- 4. Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' he
- 5. Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin'
- 6. Access to XMLHttpRequest at 'url' from origin 'null' has been blocked by CORS policy: Request header
- 7. has been blocked by CORS policy: Request header field authorization is not allowed by Access-Control
- 8. has been blocked by CORS policy: Request header field aaa is not allowed by Access-Control-Allow-Hea
- 9. [vue報錯]has been blocked by CORS policy
- 10. 前端跨域問題：Response to preflight request doesn't pass access control check
- 更多相關文章...
- • ASP Response 對象 - ASP 教程
- • SQL CHECK 約束 - SQL 教程
- • PHP Ajax 跨域問題最佳解決方案
- • Flink 數據傳輸及反壓詳解
相關標籤/搜索
每日一句
-
每一个你不满意的现在，都有一个你没有努力的曾经。
最新文章
- 1. 升級Gradle後報錯Gradle‘s dependency cache may be corrupt (this sometimes occurs
- 2. Smarter, Not Harder
- 3. mac-2019-react-native 本地環境搭建(xcode-11.1和android studio3.5.2中Genymotion2.12.1 和VirtualBox-5.2.34 )
- 4. 查看文件中關鍵字前後幾行的內容
- 5. XXE萌新進階全攻略
- 6. Installation failed due to: ‘Connection refused: connect‘安卓studio端口占用
- 7. zabbix5.0通過agent監控winserve12
- 8. IT行業UI前景、潛力如何？
- 9. Mac Swig 3.0.12 安裝
- 10. Windows上FreeRDP-WebConnect是一個開源HTML5代理，它提供對使用RDP的任何Windows服務器和工作站的Web訪問
歡迎關注本站公眾號,獲取更多信息
相關文章
- 1. Response to preflight request doesn't pass access control check
- 2. Response to preflight request doesn‘t pass access control check: It does not have HTTP ok status.
- 3. GO + React + Axios Response to preflight request doesn't pass access control check: It does not hav
- 4. Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' he
- 5. Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin'
- 6. Access to XMLHttpRequest at 'url' from origin 'null' has been blocked by CORS policy: Request header
- 7. has been blocked by CORS policy: Request header field authorization is not allowed by Access-Control
- 8. has been blocked by CORS policy: Request header field aaa is not allowed by Access-Control-Allow-Hea
- 9. [vue報錯]has been blocked by CORS policy
- 10. 前端跨域問題：Response to preflight request doesn't pass access control check