原文:java、ajax 跨域请求解决方案('Access-Control-Allow-Origin' header is present on the requested resource. Origin '请求源' is therefore not allowed access.)

.情景展示 ajax调取java服务器请求报错 报错信息如下: Access Control Allow Origin header is present on the requested resource. Origin null is therefore not allowed access. 但是,请求状态却是成功: ,这是怎么回事 .原因分析 ajax请求跨域:ajax出现请求跨域错误问 ...

2019-09-29 09:43 0 618 推荐指数:

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