【No 'Access-Control-Allow-Origin' header is present之跨域问题及解决方案】教程文章相关的互联网学习教程文章

C#WebService 出现No 'Access-Control-Allow-Origin' header is present on the requested resourc【代码】【图】

解决方法: 打开Webservice的Web.config文件 <system.webServer><httpProtocol><customHeaders><add name="Access-Control-Allow-Methods" value="OPTIONS,POST,GET"/><add name="Access-Control-Allow-Headers" value="x-requested-with,content-type"/><add name="Access-Control-Allow-Origin" value="*"/> // “*”表示允许所有的跨域访问,如果要设置只允许一个一个地址的跨域,则需将“*”替换成被允许的地址</customHead...

nginx 解决跨域问题 No: 'Access-Control-Allow-Origin' header is present on the requested resource【代码】【图】

错误信息: 1,2, Provisional headers are shownAccess-Control-Request-Headers: tokenAccess-Control-Request-Method: POSTOrigin: http://127.0.0.1:8080User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36 3,Failed to load http://xxx.com/jquery/upload: Response to preflight request doesnt pass access control check: The va...

No 'Access-Control-Allow-Origin' header is present on the requested resource.'Ajax跨域访

设置谷歌浏览器: 1. 新建一个谷歌快捷键2. 点击快捷键属性,找到“快捷方式”的目标3. 在“目标”后面添加:--allow-file-access-from-files --disable-web-security --user-data-dir="c:/kayu"4. 在“c:/kayu”目录下添加一个kayu.txt的空文件夹即可5. 使用新建的快捷键访问网址