Question

我有一个逗号分隔的字符串。如何将其转换为换行符格式。我的字符串就像是

red,yellow,green,orange,pink,black,white

我需要将此字符串格式化为

red
yellow
green
orange
pink
black
white

这是我的代码

public static string getcolours()
{
    List<string> colours = new List<string>();
    DBClass db = new DBClass();
    DataTable allcolours = new DataTable();
    allcolours = db.GetTableSP("kt_getcolors");
    for (int i = 0; i < allcolours.Rows.Count; i++)
    {
        string s = allcolours.Rows[i].ItemArray[0].ToString();
        string missingpath = "images/color/" + s + ".jpg";
        if (!FileExists(missingpath))
        {
            colours.Add(s);

        }
    }
    string res = string.Join(", ", colours);

    using (System.IO.StreamWriter file = new System.IO.StreamWriter(@"F:\test.txt", true))
    {

        file.WriteLine(res);
    }
    return res;
}

有人知道如何格式化吗？

Answer 1

res = res.Replace(',','\n');

这应该有用。

Answer 2

你可以尝试：

string colours = "red,yellow,green,orange,pink,black,white";
string res = string.Join(Environment.NewLine, colours.Split(','));

或者更简单的版本是：

string res2 = colours.Replace(",", Environment.NewLine);

Answer 3

不要串联连接，只需将颜色写入，然后在\ n

上使用连接返回

public static string getcolours()
{
    List<string> colours = new List<string>();
    DBClass db = new DBClass();
    DataTable allcolours = new DataTable();
    allcolours = db.GetTableSP("kt_getcolors");
    for (int i = 0; i < allcolours.Rows.Count; i++)
    {
        string s = allcolours.Rows[i].ItemArray[0].ToString();
        string missingpath = "images/color/" + s + ".jpg";
        if (!FileExists(missingpath))
        {
            colours.Add(s);
        }
    }
    using (System.IO.StreamWriter file = new System.IO.StreamWriter(@"F:\test.txt", true))
    {
        foreach(string color in colours)
        {
            file.WriteLine(color);
        }
    }
    return string.Join("\n", colours);;
}

Answer 4

var s = "red,yellow,green,orange,pink,black,white";
var r = string.Join(Environment.NewLine, s.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries));

逗号将字符串分隔为换行符

4 个答案: