-(SelfHelpReportChatRoomTableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
static NSString *indentifier=@"chat_room_cell";
SelfHelpReportChatRoomTableViewCell *cell=[tableView dequeueReusableCellWithIdentifier:indentifier];
if (cell==nil) {
cell=[[SelfHelpReportChatRoomTableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:indentifier];
cell.delegate = self;
}else{
[cell clear];
}
cell.indexPath=indexPath;
cell.selectionStyle=UITableViewCellSelectionStyleNone;
[UIView performWithoutAnimation:^{
[cell loadData:_dataArray[indexPath.row]];
}];
return cell;
}