解决方法
两个解决方案
>构建处理程序页面.将ImageID / RowID作为GET参数,并使用mimetype image / jpeg或image / png返回数据.
>使用DATA uri方案,如wikipedia所述.
< img src =“data:image / png; base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs 9AAAABGdBTUEAALGPC / xhBQAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9YGARc5KB0XV IAAAAddEVYdENvbW1lbnQAQ3JlYXRlZCB3aXRoIFRoZSBHSU1Q72QlbgAAAF1JREFUGNO9zL0NglAAxPEfdLTs4BZM4dio4C7OwQg2JoQ9LE1exdlYvBBeZ7jqch9 // q1uH4TLzw4d6 ErXMMcXuHWxId3KOETnnXXV6MJpcq2MLaI97CER3N0vr4MkhoXe0rZigAAAABJRU5ErkJggg ==“alt =”红点“/>