Wrap(
            //控件间的对齐方式
            alignment:WrapAlignment.spaceBetween,
            //垂直或水平排列。默认水平
            direction:Axis.horizontal,
            spacing: 30.0, //控件间的距离
            runSpacing: 30.0, // 行间距
            children: <Widget>[
              Chip(
                label: Text('Hamilton'),
              ),
              Chip(
                label: Text('Lafayette'),
              ),
              Chip(
                label: Text('Mulligan'),
              ),
              Chip(
                label: Text('Laurens'),
              ),
              Chip(
                label: Text('11111111'),
              ),
              Chip(
                label: Text('22222222'),
              ),
            ],
          )

//                          Table(
//                            border: TableBorder.all(color: Colors.grey),
//                          children: [
//                            TableRow (
//                              children: [
//                                Text("订单号:"),Text(piCarList[i].orderCode)
//                              ],
//                            ),
//                            TableRow (
//                              children: [
//                                Text("订单行号:"),Text(piCarList[i].orderLineCode)
//                              ],
//                            )
//                          ],
//                        );
//                          Card(
//                          child: Column(
//                            children: <Widget>[
//                              ListTile(
//                                //title: Text(piCarList[i].materialName),
//                                title:Container(
//
//                                ),
//                                //subtitle: Text(piCarList[i].materialName),
//                              )
//                            ],
//                          ),
//                        );