js跨域配置[Access-Control-Allow-Origin]

跨域请求静态文件配置[Access-Control-Allow-Origin] 问题描述： asp.net MVC 项目中，canvas画布中getImageData()报错，出现js跨域请求， ‘getImageData’ on ‘CanvasRenderingContext2D’: The canvas has been tainted by cross-origin data. 解决方法：

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