我的收据线不能正确对齐

本文关键字：对齐 不能 我的 | 更新日期: 2023-09-27 18:09:44

我在使用Graphics.DrawString()构建收据时遇到对齐2个变量的问题。我正在努力实现:

<indent>Cash....................500.00
<indent>Master Card............1000.00
<indent>American Express.....10,000.00

这是我现在拥有的

foreach (var item in GC.PAYMENT_Repo) //Entity framework
{
    int typeLength = item.type.Length;
    int amountLength = item.amount.Length;
    Graphics.Drawstring("    " + item.type.PadRight(20, '.') + item.amount.PadLeft(typeLength));
}

我的收据线不能正确对齐

这是一个使用Rectangle和StringFormat对齐文本的工作概念。下面的样品必须在Control或PrintDocument的OnPaint()中。您也可以创建Form并覆盖OnPaint，并粘贴下面的代码:

List<dynamic[]> rows = new List<dynamic[]>();           
rows.Add(new dynamic[] { "Cash", 500 });
rows.Add(new dynamic[] { "Master Card", 1000 });
rows.Add(new dynamic[] { "American Express", 10000 });
Graphics g = e.Graphics;
Font f = new Font("Courier New", 8f);
//1st column
StringFormat sf1 = new StringFormat();
sf1.Alignment = StringAlignment.Near;
sf1.LineAlignment = StringAlignment.Center;
//2nd column
StringFormat sf2 = new StringFormat();
sf2.Alignment = StringAlignment.Far;
sf2.LineAlignment = StringAlignment.Center;
for (int i = 0; i < rows.Count; i++)
{
    int x = 10; //Change for indentation (where you want the x position), currently 10px 
    int y = f.Height * i;
    int colWidth = 125; //You can change this to set each column's width
    Rectangle r1 = new Rectangle(x, y, colWidth, f.Height);
    Rectangle r2 = new Rectangle(r1.Right, y, colWidth, f.Height);
    g.DrawRectangle(Pens.Black, r1); //Just to debug rect area
    g.DrawRectangle(Pens.Black, r2);
    g.DrawString(rows[i][0], f, Brushes.Black, r1, sf1);
    g.DrawString(rows[i][1].ToString("0.00"), f, Brushes.Black, r2, sf2);
}

这个想法是你使用Rectangle区域来指定文本的实际位置，你想要它被打印。虽然StringFormat有助于对齐

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