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XMLHttpRequest cannot load http://www..com/login/isLogin. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://www..com' is therefore not allowed access.
弄清楚了。是顶级域名的问题。
伊谢尔伦2017-04-10 13:13:24
jsonp 留意下,最常见就是callback =?
阿神2017-04-10 13:13:24
是不是设置了withCredentials = true;?