if (oReqV[0]["tag"] != null && !string.IsNullOrEmpty(oReqV[0]["tag"].ToString()))
???????{
???????????string[] str = StringHelps.SplitString(oReqV[0]["tag"].ToString(), ",");
???????????List<string> personList = new List<string>();
???????????foreach(string s in str)
???????????{
???????????????personList.Add(string.Format("%{0}%",s));
???????????} ??????????
???????????ht.Add("TagList", personList);
???????}
<isPropertyAvailable property="TagList">
?????????<isNotEmpty property="TagList">
???????????<iterate property="TagList" prepend="AND" open="(" close=")" conjunction="OR">
?????????????<![CDATA[Tag LIKE #TagList[]# ]]>
???????????</iterate>
?????????</isNotEmpty>
???????</isPropertyAvailable>
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原文地址：https://www.cnblogs.com/wdkshy/p/10468614.html