Ext 鼠标悬停grid的一行显示该行信息

展开全文
<html>
<head>
  <title>Debug Console</title>
 <link rel="stylesheet" type="text/css" href="../../resources/css/ext-all.css" />
 <link rel="stylesheet" type="text/css" href="debug.css" />

    <!-- GC -->
  <!-- LIBS -->
  <script type="text/javascript" src="../../adapter/ext/ext-base.js"></script>
  <!-- ENDLIBS -->

    <script type="text/javascript" src="../../ext-all.js"></script>
 <script type="text/javascript">
Ext.onReady(function(){
     var cm = new Ext.grid.ColumnModel([
        {header:'编号',dataIndex:'id',width:35},
        {header:'名称',dataIndex:'name',width:80},
        {header:'描述',dataIndex:'descn',width:120}
    ]);

    var data = [
        ['1','name1','descn1'],
        ['2','name2','descn2'],
        ['3','name3','descn3'],
        ['4','name4','descn4'],
        ['5','name5','descn5']
    ];

    var store = new Ext.data.Store({
        proxy: new Ext.data.MemoryProxy(data),
        reader: new Ext.data.ArrayReader({}, [
            {name: 'id'},
            {name: 'name'},
            {name: 'descn'}
        ])
    });
    store.load();
    var grid = new Ext.grid.GridPanel({
       autoHeight: true,
          renderTo: 'grid',
          store: store,
          cm: cm,
          viewConfig: {
            forceFit: true
         }
        
       
    });
   grid.on('mouseover',function(e){//添加mouseover事件
  var index = grid.getView().findRowIndex(e.getTarget());//根据mouse所在的target可以取到列的位置
  if(index!==false){//当取到了正确的列时，（因为如果传入的target列没有取到的时候会返回false）
   var record = store.getAt(index);//把这列的record取出来
   var str = Ext.encode(record.data);//组装一个字符串，这个需要你自己来完成，这儿我把他序列化
   var rowEl = Ext.get(e.getTarget());//把target转换成Ext.Element对象
   rowEl.set({
    'ext:qtip':str  //设置它的tip属性
   },false);
   
  }
   });
   
    var win = new Ext.Window({
     id:'window',
        el:'window-win',
        layout:'fit',
        width:500,
        height:270,
        closeAction:'hide',
        items: [grid]

    });
    win.show();
 Ext.QuickTips.init();//注意，提示初始化必须要有

});
        </script>
    </head>
    <body>
         <div id="window-win">
            <div id="grid"></div>
    
    </body>
</html>