• EasyUI 编写实体类树状选择器


    <%@ page contentType="text/html;charset=UTF-8"%>
    <%@ include file="/WEB-INF/views/include/taglib.jsp"%>
    
    <meta name="decorator" content="index" />
    <body>
    
    	<div class="portlet-body">
    	   <table id="xxxdg" height="auto" width="100%"></table>
    	</div>
    <script type="text/javascript">
    var trees = '${fns:getXXXListByTree()}'
    var dg = $('#xxxdg').treegrid({
    
    	method: 'post',
    	rownumbers: true,
    	idField: 'id',
    	treeField: 'name',
    	height:'500px',
    	singleSelect : false,
    	columns:[[
    		{field:'id',title:'编号',hidden:true},
    		{field:'name',title:'名称',240,sortable:true,formatter:formatterData},
    		{field:'description',title:'描述',150,align:'center'},
    	]]
    });
    
    //变量trees的值是符合treegrid要求的json格式的字符串
    var data =$.parseJSON('{"total":0,"rows":'+ trees +'}');  
    dg.treegrid('loadData', data); //将数据绑定到treegrid 
    
    
    function formatterData(value,rowData,rowIndex){
    	 //rowData是当节点的数据集,children表示其分支,如果!=undefined则表示当前节点有分支,由于这个树只有两层,也表示它就是父节点。如果是父节点,就不在后面加checkbox
    	 if(rowData.children != undefined){
    		 return rowData.name;
    	 }else{
                     //在调用当前jsp时用url传值的形式传过来的sortids变量
    		 var sortIds = '${param.sortIds}';
    		 var checked = "";
    		 if(sortIds!="")
    		 {
    			 if(sortIds.indexOf(rowData.id) > -1){
    				 checked = "checked='checked'";	 
    			 }
    		 }
                     //将checkbox动态拼在名称前
    		 return "<input "+checked+"type='checkbox' id='ids_"+rowData.id+"' value='values_"+rowData.name+"'>" + rowData.name;
    	 }
    }
    
    
    
    
    </script>
    </body>
    
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  • 原文地址:https://www.cnblogs.com/xcxcxcxc/p/5541154.html
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