<customErrors mode="On" defaultRedirect="viewAll.html"><!--所有的错误显示页--> <error statusCode="403" redirect="view403.html" /><!--针对403的错误页--> <error statusCode="404" redirect="view404.html" /><!---针对404的错误页-->
<error statusCode="500" redirect="view500.html /"><!--针对500的错误页-->
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