文章标题

extjs grid渲染列相同数据合并
renderer : function (value, meta, record, rowIndex, colIndex, store) {
var first = !rowIndex || store.getAt(rowIndex).get(‘practicepro’) !== store.getAt(rowIndex - 1).get(‘practicepro’);
var value=record.data.practicepro;
if(first){
var i=rowIndex+1,span=1;
while (i < store.getCount() && store.getAt(rowIndex).get(‘practicepro’) === store.getAt(i).get(‘practicepro’)) {
i++;
span++;
value=value+” “;
}
var rowHeight = 20, padding = 6,
height = (rowHeight * (i - rowIndex) - padding) + ‘px’;
meta.style = ‘height:’ + height + ‘;line-height:’ + height + ‘;’;
meta.tdAttr = ‘rowspan = ’ + span;
}
else{
meta.tdAttr=’style=”display:none;”’;
}
return first ? value : ”;
}