struts2 jquery 打造無限層次的樹

2019-11-21 01:03:21

字體：大中小

來源：轉載

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<%-- tree.jsp --%>
<%@ page pageEncoding="gbk" contentType="text/html;charset=gbk" import="java.util.ArrayList" %>
<%@ taglib uri="/struts-tags" prefix="s" %>
<link rel="stylesheet" href="${myRoot }/jquery/jquery.treeview.css" />
<link rel="stylesheet" href="${myRoot }/jquery/screen.css" />
<script src="${myRoot }/jquery/jquery.js" type="text/javascript"></script>
<script src="${myRoot }/jquery/jquery.treeview.js" type="text/javascript"></script>
<%
//需要:Struts2 , jquery樹插件,其下載地址為: http://xiazai.VeVB.COm/200910/other/jquery.treeview.zip
//無限層次的樹--作者郴州拓職軟件學院任文敏
//模擬數據庫數據:每行數據包括--自己ID,自己內容,父親ID
ArrayList ary = new ArrayList(); //所有數據
String[] ary1 = new String[]{"1","item1","0"}; //每行數據
ary.add(ary1);
ary1 = new String[]{"2","item2","0"};
ary.add(ary1);
ary1 = new String[]{"3","item3","0"};
ary.add(ary1);
ary1 = new String[]{"4","item1_1","1"};
ary.add(ary1);
ary1 = new String[]{"5","item1_2","1"};
ary.add(ary1);
ary1 = new String[]{"6","item1_2_1","5"};
ary.add(ary1);
ary1 = new String[]{"7","item1_2_2","5"};
ary.add(ary1);
ary1 = new String[]{"8","item2_1","2"};
ary.add(ary1);
ary1 = new String[]{"9","item2_1_1","8"};
ary.add(ary1);
ary1 = new String[]{"10","item2_2","2"};
ary.add(ary1);
ary1 = new String[]{"11","item3_1","3"};
ary.add(ary1);
ary1 = new String[]{"12","item3_2","3"};
ary.add(ary1);
request.setAttribute("datas",ary);
%>
<script type="text/javascript">
$(document).ready(function(){
var oAppend;
<s:iterator value="#request.datas" id="t">
if($("#ul${t[2]}").size()==0) { //如果父親UL找不到,則創建父親UL,并附加到父親LI
oAppend = $("<ul id='ul${t[2]}'><li id='li${t[0]}'><input type='checkbox' value='ck${t[0]}' />${t[1]}</li></ul>").appendTo($("#li${t[2]}"));
}
else { //如果父親UL找到了,則直接附加到父親UL
oAppend = $("<li id='li${t[0]}'><input type='checkbox' value='ck${t[0]}' />${t[1]}</li>").appendTo("#ul${t[2]}");
}
</s:iterator>
$("#ul0").treeview({ //通過根節點容器展示整個樹
});
});
</script>

<ul id="ul0"></ul>

jquery樹插件,其下載地址為: http://xiazai.VeVB.COm/200910/other/jquery.treeview.zip

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