之前我在用json跨域调用时,遇到如图问题,后来查查是官方json不支持跨域调用,后来改用非官方的jsonp跨域调用后台方法,出现如下问题 Origin http://127.0.0.1:8080 is not allowed by Access-Control-Allow-Origin. 后来在服务器端加上这样一句话,问题解决. response.setHeader("Access-Control-Allow-Origin","*"); 后来google浏览器控制
zepot post没有问题,用plupload上传出现了这个错误,options过不去.显示Response for preflight has invalid http status code 405 在global中处理下option protected void Application_BeginRequest() { if (Request.Headers.AllKeys.Contains("Origin") && Request.HttpMethod ==
转自:http://www.cnblogs.com/SilenceTom/p/6697484.html 调用接口遇到Response for preflight has invalid HTTP status code 405这样的错误,是使用PUT方式提交请求接口.Content-Type设置为application/json,JS代码如下: $.ajax({ type: "PUT", url: "http://172.16.200.84:8977/Messages?ses
两种方法从SpringBoot的方向解决跨域问题 今天搭建博客的时候,尝试性的传递数据,发现浏览器报了这个错误 -blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the r