Access-Control-Allow-Methods: OPTIONS & CORS
Access-Control-Allow-Methods: OPTIONS CORS https://stackoverflow.com/questions/20478312/default-value-for-access-control-allow-methods https ...
原文：Method PUT is not allowed by Access-Control-Allow-Methods in preflight response
前端通过XHR请求后端服务时，出现了下图现象： 根据问题的描述可知，是遇到跨域问题了，为了支持跨域，需要在后端做一下处理，可以这样处理： 具体的添加过程，可以参考此链接 https: www.cnblogs.com bien p .html ...
2020-06-29 19:28 0 1264 推荐指数：
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