(深入.Net平台和C#编程)第五章.体检套餐管理项目.20170408

-----------------------------------------------------体检项目类-----------------------------------------------------

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SJ.entity
{
    /// <summary>
    /// 体检项目
    /// </summary>
    public class HealthItems
    {
        /// <summary>
        /// 体检项目名称
        /// </summary>
        public string Name { get; set; }
        /// <summary>
        /// 项目价格
        /// </summary>
        public int Price { get; set; }
        /// <summary>
        /// 项目描述
        /// </summary>
        public string Description { get; set; }
    }
}

-----------------------------------------------------体检套餐类-----------------------------------------------------

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SJ.entity
{
    /// <summary>
    /// 体检套餐
    /// </summary>
   public class HealthCombos
    {
        /// <summary>
        /// 套餐体检项目
        /// </summary>
        public List<HealthItems> Items { get; set; }
        /// <summary>
        /// 套餐价格
        /// </summary>
        public int Price { get; set; }
        /// <summary>
        /// 套餐名字
        /// </summary>
        public string Name { get; set; }
       /// <summary>
       /// 计算套餐价格
       /// </summary>
       /// <param name="items"></param>

        public void CountPrice()
        {
            this.Price = 0;
            if (Items != null)
            {
                foreach (var item in Items)
                {
                    this.Price += item.Price;
                }
            }
        }

        public HealthCombos()
        {
            Items = new List<HealthItems>();
        }
    }
}

-----------------------------------------------------主窗体-----------------------------------------------------

using SJ.entity;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace SJ
{
    public partial class frmMain : Form
    {
        public frmMain()
        {
            InitializeComponent();
        }

        /// <summary>
        /// 所有体检项目
        /// </summary>
        public List<HealthItems> allItems = new List<HealthItems>();
        //public Dictionary<string, HealthItems> allItems = new Dictionary<string, HealthItems>();
        //allItems.Add(defi.Name, defi);
        //allItems.Add(hi1.Name,hi1);
        //allItems.Add(hi2.Name, hi2);
        //allItems.Add(hi3.Name, hi3);
        //allItems.Add(hi4.Name,hi4);
        //allItems.Add(hi5.Name, hi5);
        //allItems.Add(hi6.Name, hi6);

        /// <summary>
        /// 套餐
        /// </summary>
        public Dictionary<string, HealthCombos> Combos = new Dictionary<string, HealthCombos>();
        
        /// <summary>
        ///添加所有体检项目
        /// </summary>
        public void InitItems()
        {
            HealthItems defi = new HealthItems();
            defi.Name = "请选择";

            HealthItems hi1 = new HealthItems();
            hi1.Name = "身高";
            hi1.Price = 5;
            hi1.Description = "用于检查身高";
            HealthItems hi2 = new HealthItems();
            hi2.Name = "体重";
            hi2.Price = 5;
            hi2.Description = "用于检查体重";
            HealthItems hi3 = new HealthItems();
            hi3.Name = "视力";
            hi3.Price = 10;
            hi3.Description = "用于检查视力";
            HealthItems hi4 = new HealthItems();
            hi4.Name = "听力";
            hi4.Price = 8;
            hi4.Description = "用于检查听力";
            HealthItems hi5 = new HealthItems();
            hi5.Name = "肝功能";
            hi5.Price = 50;
            hi5.Description = "用于检查肝功能";
            HealthItems hi6 = new HealthItems();
            hi6.Name = "B超";
            hi6.Price = 33;
            hi6.Description = "用于检查B超";
            allItems.Add(defi);
            allItems.Add(hi1);
            allItems.Add(hi2);
            allItems.Add(hi3);
            allItems.Add(hi4);
            allItems.Add(hi5);
            allItems.Add(hi6);
        }

        /// <summary>
        /// 初始入学套餐体检项
        /// </summary>
        public void InitSchoolCombos()
        {
            List<HealthItems> schoolCombos = new List<HealthItems>();
            foreach (var item in allItems)
            {
                if (item.Name.Equals("身高") || item.Name.Equals("肝功能") || item.Name.Equals("体重"))
                {
                    schoolCombos.Add(item);
                }
            }


            HealthCombos hc = new HealthCombos();
            hc.Items = schoolCombos;
            hc.Name = "入学体检";

            HealthCombos defhc = new HealthCombos();
            defhc.Name = "请选择";
            Combos.Add(defhc.Name, defhc);
            Combos.Add(hc.Name, hc);
        }

        /// <summary>
        /// 绑定组合框数据源
        /// </summary>
        public void BangCMB()
        {
            //套餐列表
            BindingSource bs = new BindingSource();
            bs.DataSource = Combos.Values;
            cmbTaoCanList.DataSource = bs;
            cmbTaoCanList.DisplayMember = "Name";

            //体检项目
            cmbCheckItem.DataSource = allItems;
            cmbCheckItem.DisplayMember = "Name";
        }
        /// <summary>
        /// 加载事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void frmMain_Load(object sender, EventArgs e)
        {
            InitItems();
            InitSchoolCombos();
            BangCMB();
        }

        /// <summary>
        /// 更改体检套餐，同时修改dgv绑定数据源
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void cmbTaoCanList_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (!cmbTaoCanList.Text.Equals("SJ.entity.HealthCombos"))
            {
                BangDgvList();
                //更改“删除”按键可否使用属性
                BtnIsOK();
            }
        }

        /// <summary>
        /// 更改label
        /// </summary>
        public void ChangeLBL()
        {
            lblTaoCanName.Text = cmbTaoCanList.Text;
            lblPrice.Text = Combos[cmbTaoCanList.Text].Price.ToString();
        }

        public void BtnIsOK()
        {
            if (dgvList.SelectedRows.Count > 0)
            {
                btnDelItem.Enabled = true;
            }
            else
            {
                btnDelItem.Enabled = false;
            }
            if (cmbCheckItem.SelectedIndex == 0 || cmbTaoCanList.SelectedIndex == 0)
            {
                btnAddItem.Enabled = false;
            }
            else
            {
                btnAddItem.Enabled = true;
            }
        }

        /// <summary>
        /// 修改dgv绑定数据源
        /// </summary>
        public void BangDgvList()
        {
            BindingSource bs = new BindingSource();
            bs.DataSource = Combos[cmbTaoCanList.Text].Items;
            dgvList.DataSource = bs;
            CombosPrice();
            ChangeLBL();
        }

        public void CombosPrice()
        {
            foreach (var item in Combos)
            {
                if (item.Key.Equals(cmbTaoCanList.Text))
                {
                    item.Value.CountPrice();
                    break;
                }
            }
        }

        /// <summary>
        /// 单击删除
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnDelItem_Click(object sender, EventArgs e)
        {
            HealthCombos c = Combos[cmbTaoCanList.Text];
            //遍历选中套餐名称的体检项
            foreach (var item in Combos[cmbTaoCanList.Text].Items)
            {
                //当选中项目名称 匹配到 体检项里的名称时删除该泛型里的该项
                if (item.Name.Equals(dgvList.SelectedRows[0].Cells[0].Value.ToString()))
                {
                    MessageBox.Show("删除成功！！");
                    Combos[cmbTaoCanList.Text].Items.Remove(item);
                    //重新绑定数据源
                    BangDgvList();
                    break;
                }
            }
        }

        /// <summary>
        /// 单击添加
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnAddItem_Click(object sender, EventArgs e)
        {
            //遍历判断选中的是哪个套餐
            foreach (var combosItem in Combos)
            {
                if (combosItem.Key.Equals(cmbTaoCanList.Text))
                {
                    //遍历判断添加的项目是哪个
                    foreach (HealthItems aitem in allItems)
                    {
                        if (aitem.Name.Equals(cmbCheckItem.Text))
                        {
                            //遍历判断该套餐里有无重复项目
                            if (combosItem.Value.Items != null)
                            {
                                foreach (var itemss in combosItem.Value.Items)
                                {
                                    if (aitem.Name.Equals(itemss.Name))
                                    {
                                        MessageBox.Show("已有该体检项目！！");
                                        return;
                                    }
                                }
                            }
                            MessageBox.Show("添加成功！！");
                            combosItem.Value.Items.Add(aitem);
                            BangDgvList();
                            BtnIsOK(); 
                            return;
                        }
                    }
                }
            }
        }

        /// <summary>
        /// 改变选项
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void cmbCheckItem_SelectedIndexChanged(object sender, EventArgs e)
        {
            BtnIsOK();
        }

        /// <summary>
        /// 添加套餐
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnAddTaoCan_Click(object sender, EventArgs e)
        {
            string taoCanName = txtTaoCanName.Text;
            HealthCombos hccc= new HealthCombos();
            hccc.Name = taoCanName;
            foreach (var item in Combos)
            {
                if (item.Value.Name.Equals(taoCanName))
                {
                    MessageBox.Show("已有该套餐！！");
                    return;
                }
            }
            Combos.Add(hccc.Name, hccc);
            MessageBox.Show("添加" + hccc.Name + "套餐成功！！");
            BangCMB();
        }
    }
}