No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin is therefore no

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No ‘Access-Control-Allow-Origin’ header is present on the requested resource. Origin is therefore no错误解决

问题：在php中使用ajax跨域访问报错No ‘Access-Control-Allow-Origin’ header is present on the requested resource. Origin is therefore not allowed access.

解决：

1、如果请求的url是PHP页面，则需要在PHP页面中添加代码：header("Access-Control-Allow-Origin: *");2、如果请求的url是静态的html页面，则需要在页面中添加meta标签代码：<meta http-equiv="Access-Control-Allow-Origin" content="*

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