原文:java、ajax 跨域請求解決方案('Access-Control-Allow-Origin' header is present on the requested resource. Origin '請求源' is therefore not allowed access.)

.情景展示 ajax調取java服務器請求報錯 報錯信息如下: Access Control Allow Origin header is present on the requested resource. Origin null is therefore not allowed access. 但是,請求狀態卻是成功: ,這是怎么回事 .原因分析 ajax請求跨域:ajax出現請求跨域錯誤問 ...

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