在ExtJS中给报表中某列添加tool-tips

在ExtJS中给表格中某列添加tool-tips

                        {                            xtype: 'gridcolumn',                            renderer: function(value, metaData, record, rowIndex, colIndex, store, view) {                                metaData.tdAttr = "data-qtip='Message: " + value + "'";                                return value;                            },                            dataIndex: 'status',                            text: 'Status'                        },