tableCellAtIndex:function (table,idx) {
        var cell = table.dequeueCell();
        if (!cell) {
            cell = new cc.TableViewCell();
            //创建小cell
            var pnl_cell = this.root.getChildByName("pnl_cell").clone();
            pnl_cell.setName("pnl_cell");
            pnl_cell.setPosition(cc.p(0,0));
            pnl_cell.setVisible(true);
            cell.addChild(pnl_cell);
 
            var headIcon = CMF.createHeadIcon("res/icon/gem.png","宝石");
            headIcon.setPosition(cc.p(47,66));
            pnl_cell.addChild(headIcon);
 
            pnl_cell.getChildByName("btn_choose").setTag(idx);
            pnl_cell.getChildByName("btn_choose").addTouchEventListener(this.call_clickAddItem,this);
        }
 
        var pnl_cell = cell.getChildByName("pnl_cell");     //单元格控件
        pnl_cell.getChildByName("btn_choose").setTag(idx);  //必须重新设置tag
        return cell;
    },