验证Request传过来的值是否为空
string imgUrl = ""; if (!string.IsNullOrEmpty(Request["picUrl"])) imgUrl = Request.QueryString["picUrl"].ToString(); if (imgUrl == "") { imgUrl="aaa"; }
分享名称:验证Request传过来的值是否为空
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string imgUrl = ""; if (!string.IsNullOrEmpty(Request["picUrl"])) imgUrl = Request.QueryString["picUrl"].ToString(); if (imgUrl == "") { imgUrl="aaa"; }