问题：单击grid的某一行，如何改变该行的背景颜色？

0 0

问题：单击grid的某一行，如何改变该行的背景颜色？5

我定义了一个grid，并添加了rowclick事件的监听，可是不知道该如何修改这一行的背景色。请教高手一下。代码如下：
grid.addListener('rowclick',function(grid,rowIndex,event){
// 这里的代码不知道该如何写了，才能改变这行的背景色。
// 当然，当我点击别的行时，这一行的背景颜色要改变到每点击之前的默认颜色
});

JavaScript EXT

2009年3月31日 08:54

kanpiaoxue
25
0 0 1

1个答案按时间排序按投票排序

0 0

采纳的答案

我帮你实现了,给我分吧

Ext.onReady(function() {
	var myData = [
        ['3m Co',71.72,0.02,0.03,'9/1 12:00am'],
        ['Alcoa Inc',29.01,0.42,1.47,'9/1 12:00am'],
        ['Altria Group Inc',83.81,0.28,0.34,'9/1 12:00am'],
        ['American Express Company',52.55,0.01,0.02,'9/1 12:00am'],
        ['American International Group, Inc.',64.13,0.31,0.49,'9/1 12:00am']
    ];

    function change(val){
        if(val > 0){
            return '<span style="color:green;">' + val + '</span>';
        }else if(val < 0){
            return '<span style="color:red;">' + val + '</span>';
        }
        return val;
    }

    function pctChange(val){
        if(val > 0){
            return '<span style="color:green;">' + val + '%</span>';
        }else if(val < 0){
            return '<span style="color:red;">' + val + '%</span>';
        }
        return val;
    }

    var store = new Ext.data.SimpleStore({
        fields: [
           {name: 'company'},
           {name: 'price', type: 'float'},
           {name: 'change', type: 'float'},
           {name: 'pctChange', type: 'float'},
           {name: 'lastChange', type: 'date', dateFormat: 'n/j h:ia'}
        ]
    });
    store.loadData(myData);
    var grid = new Ext.grid.GridPanel({
        store: store,
        columns: [
            {id:'company',header: "Company", width: 160, sortable: true, dataIndex: 'company'},
            {header: "Price", width: 75, sortable: true, renderer: 'usMoney', dataIndex: 'price'},
            {header: "Change", width: 75, sortable: true, renderer: change, dataIndex: 'change'},
            {header: "% Change", width: 75, sortable: true, renderer: pctChange, dataIndex: 'pctChange'},
            {header: "Last Updated", width: 85, sortable: true, renderer: Ext.util.Format.dateRenderer('m/d/Y'), dataIndex: 'lastChange'}
        ],
        stripeRows: true,
        autoExpandColumn: 'company',
        enableHdMenu : true,
        height:350,
        width:600,
        title:'Array Grid'
    });
    grid.render(Ext.getBody());
    grid.on('rowclick',function(grid,rowIndex,event){
    	var node = event.target;
    	while(node.tagName != 'TR'){
    		node = node.parentNode;
    		if(node.tagName == 'TR'){
    			break;
    		}
    	}
    	var elDiv = node.parentNode.parentNode.parentNode.parentNode; 
    	for(var i = 0; i<elDiv.childNodes.length;i++){
    		elDiv.childNodes[i].childNodes[0].childNodes[0].childNodes[0].style.cssText="background-color:";
    	}
    	node.style.cssText="background-color:red";
    });
})

2009年3月31日 17:03