/// <summary>
/// 减
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void panelNum_Minus_Click(object sender, EventArgs e)
{
// panel控件的名字
Panel panel = sender as Panel;
string panelName = panel.Name;
int index = Convert.ToInt32(panelName.Split('_')[1]);
RoomConsume consume = this._roomConsumeList[index];
// label控件的名字
string id = "labelNum_" + index;
Label labelRoom = (Label)this.Controls.Find(id, true)[0];
int count = Convert.ToInt32(labelRoom.Text);
if (count == 0)
{
return;
}
labelRoom.Text = count - 1 + "";
consume.Number = Convert.ToInt32(labelRoom.Text);
_roomConsumeList.Remove(consume);
_roomConsumeList.Insert(index, consume);
double totle_price = Convert.ToDouble(this.labelPrice.Text) - Convert.ToDouble(consume.Price);
this.labelPrice.Text = totle_price.ToString("0.00");
}
private void Form3_Load(object sender, EventArgs e)
{
//ShowRoomConsumeItems();
labelPrice.Text = "0.00";
RoomConsume room_consume = new RoomConsume();
room_consume.Name = "1百岁山矿泉水";
room_consume.Price = "10.0";
room_consume.Unit = "瓶";
room_consume.Number = 0;
_roomConsumeList.Add(room_consume);
room_consume = new RoomConsume();
room_consume.Name = "2统一方便面";
room_consume.Price = "15.0";
room_consume.Unit = "桶";
room_consume.Number = 0;
_roomConsumeList.Add(room_consume);
room_consume = new RoomConsume();
room_consume.Name = "3王师傅夹心饼干";
room_consume.Price = "25.0";
room_consume.Unit = "个";
room_consume.Number = 0;
_roomConsumeList.Add(room_consume);
room_consume = new RoomConsume();
room_consume.Name = "4可口可乐";
room_consume.Price = "5.0";
room_consume.Unit = "灌";
room_consume.Number = 0;
_roomConsumeList.Add(room_consume);
room_consume = new RoomConsume();
room_consume.Name = "5健脾口香糖";
room_consume.Price = "3.0";
room_consume.Unit = "片";
room_consume.Number = 0;
_roomConsumeList.Add(room_consume);
room_consume = new RoomConsume();
room_consume.Name = "6超薄套套";
room_consume.Price = "30.0";
room_consume.Unit = "2片";
room_consume.Number = 0;
_roomConsumeList.Add(room_consume);
room_consume = new RoomConsume();
room_consume.Name = "7统一方便面2";
room_consume.Price = "15.0";
room_consume.Unit = "桶";
room_consume.Number = 0;
_roomConsumeList.Add(room_consume);
room_consume = new RoomConsume();
room_consume.Name = "8王师傅夹心饼干2";
room_consume.Price = "25.0";
room_consume.Unit = "个";
room_consume.Number = 0;
_roomConsumeList.Add(room_consume);
room_consume = new RoomConsume();
room_consume.Name = "9可口可乐2";
room_consume.Price = "5.0";
room_consume.Unit = "灌";
room_consume.Number = 0;
_roomConsumeList.Add(room_consume);
room_consume = new RoomConsume();
room_consume.Name = "10健脾口香糖2";
room_consume.Price = "3.0";
room_consume.Unit = "片";
room_consume.Number = 0;
_roomConsumeList.Add(room_consume);
room_consume = new RoomConsume();
room_consume.Name = "11超薄套套2";
room_consume.Price = "30.0";
room_consume.Unit = "2片";
room_consume.Number = 0;
_roomConsumeList.Add(room_consume);
//ShowRoomConsumeItemsData();
timer1.Enabled = true;
timer1.Interval = 100;
}
private async Task ShowRoomConsumeItemsData(int start, int end)
{
// 获取当前需要显示的消费项
List <RoomConsume> data = GetData(start, end);
if (data == null || data.Count == 0)
{
return;
}
flowLayoutPanel1.Controls.Clear();
this.SuspendLayout();
flowLayoutPanel1.SuspendLayout();
// 左箭头
Panel panel0 = new Panel();
panel0.BackColor = System.Drawing.Color.Transparent;
panel0.Location = new System.Drawing.Point(3, 3);
panel0.Name = "panel00";
panel0.Size = new System.Drawing.Size(55, 252);
if (_roomConsumeList.Count > 5 && start > 0)
{
Panel panelLeft = new Panel();
panelLeft.BackColor = System.Drawing.Color.Transparent;
panelLeft.BackgroundImage = FromFile(Image_BaseDirectory + "左箭头.png");
panelLeft.Location = new System.Drawing.Point(18, 113);
panelLeft.Name = "panelLeft";
panelLeft.Size = new System.Drawing.Size(12, 23);
panelLeft.Click += new System.EventHandler(panelLeft_Click);
// add control
panel0.Controls.Add(panelLeft);
panel0.Click += new System.EventHandler(panel0_Click);
}
// add control for flowLayoutPanel1
this.flowLayoutPanel1.Controls.Add(panel0);
// 消费项目
Panel panel = null;
int location_x = 64;
int index = 0;
for (int i = 0; i < data.Count; i++)
{
index = start + i;
RoomConsume roomConsume = _roomConsumeList[index];
// 第1个消费项目
panel = new Panel();
panel.BackColor = System.Drawing.Color.Transparent;
panel.Location = new System.Drawing.Point(location_x, 3);
panel.Name = "panel" + index;
panel.Size = new System.Drawing.Size(170, 252);
// first panel
Panel panel1 = new Panel();
panel1.BackgroundImage = FromFile(Image_BaseDirectory + "商品背景.png");
panel1.Location = new System.Drawing.Point(12, 59);
panel1.Name = "panel1_" + index;
panel1.Size = new System.Drawing.Size(136, 92);
// 消费项目名称
Label label1 = new Label();
label1.AutoSize = false;
label1.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
label1.ForeColor = System.Drawing.Color.White;
label1.Location = new System.Drawing.Point(3, 22);
label1.Name = "labelName_" + index;
label1.Size = new System.Drawing.Size(130, 16);
label1.Text = roomConsume.Name;
label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
// 消费项目的价格及单位
Label label2 = new Label();
label2.AutoSize = false;
label2.Font = new System.Drawing.Font("宋体", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
label2.ForeColor = System.Drawing.Color.White;
label2.Location = new System.Drawing.Point(3, 55);
label2.Name = "labelPrice_" + index;
label2.Size = new System.Drawing.Size(130, 16);
label2.Text = roomConsume.Price + "/" + roomConsume.Unit;
label2.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
panel1.Controls.Add(label1);
panel1.Controls.Add(label2);
// second panel
Panel panel2 = new Panel();
panel2.BackgroundImage = FromFile(Image_BaseDirectory + "减.png");
panel2.Location = new System.Drawing.Point(15, 183);
panel2.Name = "panel2_" + index;
panel2.Size = new System.Drawing.Size(38, 38);
panel2.Click += new EventHandler(panelNum_Minus_Click);
// third panel
Panel panel3 = new Panel();
panel3.BackgroundImage = FromFile(Image_BaseDirectory + "加.png");
panel3.Location = new System.Drawing.Point(113, 183);
panel3.Name = "panel3_" + index;
panel3.Size = new System.Drawing.Size(38, 38);
panel3.Click += new EventHandler(panelNum_Plus_Click);
// item number
Label label3 = new Label();
label3.AutoSize = true;
label3.Font = new System.Drawing.Font("宋体", 20F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
label3.ForeColor = System.Drawing.Color.White;
label3.Location = new System.Drawing.Point(72, 189);
label3.Name = "labelNum_" + index;
label3.Size = new System.Drawing.Size(26, 27);
label3.Text = roomConsume.Number + "";
label3.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
// add control for panel2
panel.Controls.Add(panel1);
panel.Controls.Add(panel2);
panel.Controls.Add(panel3);
panel.Controls.Add(label3);
location_x += 176;
this.flowLayoutPanel1.Controls.Add(panel);
}
location_x += 176;
// 右箭头
Panel panel6 = new Panel();
panel6.BackColor = System.Drawing.Color.Transparent;
panel6.Location = new System.Drawing.Point(location_x, 3);
panel6.Name = "panel66";
panel6.Size = new System.Drawing.Size(55, 252);
if (_roomConsumeList.Count > 5 && end < _roomConsumeList.Count)
{
Panel panelRight = new Panel();
panelRight.BackColor = System.Drawing.Color.Transparent;
panelRight.BackgroundImage = FromFile(Image_BaseDirectory + "右箭头.png");
panelRight.Location = new System.Drawing.Point(18, 113);
panelRight.Name = "panelRight";
panelRight.Size = new System.Drawing.Size(12, 23);
panelRight.Click += new EventHandler(panelRight_Click);
// add control
panel6.Controls.Add(panelRight);
panel6.Click += new EventHandler(panel6_Click);
}
this.flowLayoutPanel1.Controls.Add(panel6);
flowLayoutPanel1.ResumeLayout();
this.ResumeLayout();
await Task.Delay(100);
}