//1.可以往库存里面添加吉他
//2.按照一定条件来查找吉他
//个人觉得，主要的文件读写操作都在里面
//主要需要调用的就是IO类
public static int FindPrice(List <Guitar> readGuitar)
{
double[] priceArray = new double[readGuitar.Count];
int i = 0;
for (i = 0; i < readGuitar.Count; i++)
{
Guitar gx = new Guitar();
gx = readGuitar.ElementAt(i);
priceArray.SetValue(System.Convert.ToDouble(gx.Price), i);
}
int positionMax = 0;
double priceMax = priceArray[0];
int j = 0;
while (j != readGuitar.Count)
{
if (priceArray[j] > priceMax)
{
positionMax = j;
priceMax = priceArray[j];
}
j++;
}
return(positionMax);
}
private void button_FindPrice_Click(object sender, EventArgs e)
{
int positionMax = StockGuitar.FindPrice(readGuitar);
Guitar gx = readGuitar.ElementAt(positionMax);
string output = "吉他:\n---------------------\n" + "序列号：" + gx.SerialNumber + ",\n价格:" + gx.Price + ",\n制作人：" + gx.Builder + ",\n模型：" + gx.Model + ",\n型号：" + gx.Type + ",\n前木：" + gx.BackWood + ",\n后木" + gx.TopWood + "\n-----------------------\n是最高价格的吉他。";
Console.WriteLine(output);
MessageBox.Show(output);
}
private void button_UpLoad_Click(object sender, EventArgs e)
{
Guitar rand_guitar = new Guitar(textBox_SerialNumber.Text.ToString(), textBox_Price.Text.ToString(), textBox_Builder.Text.ToString(), textBox_Model.Text.ToString(), textBox_Type.Text.ToString(), textBox_BackWood.Text.ToString(), textBox_TopWood.Text.ToString());
listGuitars.Add(rand_guitar);
//使用bindingSource添加数据
//https://blog.csdn.net/magieclarence/article/details/41863511
//BindingSource _bs1 = new BindingSource();
//_bs1.AddingNew += new AddingNewEventHandler(_bs1_AddingNew);
}
public Form_Main()
{
InitializeComponent();
CreateFileName();
textBox_Path.Text = FileName;
button_SaveAsCSV.Enabled = false;
//随机一个CVS文件名
Guitar g1 = new Guitar("900001", "12.02", "aaa", "bbb", "ccc", "ddd", "eee");
textBox_Builder.Text = g1.Builder;
textBox_BackWood.Text = g1.BackWood;
textBox_Model.Text = g1.Model;
textBox_TopWood.Text = g1.TopWood;
textBox_Price.Text = g1.Price;
textBox_SerialNumber.Text = g1.SerialNumber;
textBox_Type.Text = g1.Type;
button_FindPrice.Enabled = false;
}
//https://blog.csdn.net/duyusean/article/details/73381502
public static List <Guitar> ReadCSV(string m_Path)
{
Form_Main fm = new Form_Main();
List <Guitar> readGuitar = new List <Guitar>();
string line = string.Empty;
fm.openFileDialog1.ShowDialog();
using (StreamReader sr = new StreamReader(fm.openFileDialog1.FileName))
{
fm.label_ReadCSV.Text = fm.openFileDialog1.FileName.ToString();
string wasteLine = sr.ReadLine();
Console.WriteLine(wasteLine);
while ((line = sr.ReadLine()) != null)
{
string[] sArray = line.Split(',');// 一定是单引
int length = sArray.Length;
Guitar gx = new Guitar(sArray[0], sArray[1], sArray[2], sArray[3], sArray[4], sArray[5], sArray[6]);
readGuitar.Add(gx);
}
sr.Close();
Console.WriteLine("已成功读取文件");
}
return(readGuitar);
}