string strScript = "<script charset=‘utf-8‘ Language=Javascript>if( confirm(‘参数存在不安全字符‘) ) {window.history.back(-1); } else { window.history.back(-1);}</script>";
StringBuilder sb = new StringBuilder();
sb.Append("<html>");
sb.Append("<head>");
sb.Append("<meta charset=\"utf-8\" />");
sb.Append(strScript);
sb.Append("</head>");
sb.Append("</html>");
System.Web.HttpContext.Current.Response.Write(sb);
System.Web.HttpContext.Current.Response.End();
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原文地址：http://haihuiwei.blog.51cto.com/4789207/1956232
