我在C#应用程序中编写了一个函数,当" 0" 即将来临时,应删除整行。 但我不知道我的输出文本文件没有删除它。
我如何解决这种情况。
代码段:
public void do_name()
{
string[] search_text = new string[] { "PCB", "DOC", "PCB1", "DOC1" };
string old;
StringBuilder sb = new StringBuilder();
using (StreamReader sr = File.OpenText(textBox1.Text))
{
while ((old = sr.ReadLine()) != null)
{
if (old.Contains(search_text[0]) || old.Contains(search_text[1]) ||
old.Contains(search_text[2]) || old.Contains(search_text[3]) ||
old.Split(" ".ToArray()).Equals("0"))
//here delete's the line where, "PCB", "DOC", "PCB1", "DOC1" is coming.
//but not '0"
continue;
else
sb.AppendLine(old);
}
sr.Close();
}
File.WriteAllText(textBox1.Text, sb.ToString());
}
我的输入文本文件如下所示:
"CN5" "210-0141" "PHOENIX/8/150/V/F" "353.441" "115.951"
"CN8" "210-0141" "PHOENIX/8/150/V/F" "317.881" "115.824"
"CN9" "210-0141" "PHOENIX/8/150/V/F" "265.176" "115.951"
"*1" "210-0150" "" "0" "0"
"*10" "210-0150" "" "0" "0"
"*11" "210-0150" "" "0" "0"
"*12" "210-0150" "" "0" "0"
"*13" "210-0150" "" "0" "0"
"*14" "210-0150" "" "0" "0"
"*15" "210-0150" "" "0" "0"
答案 0 :(得分:5)
old.Split(" ".ToArray()).Equals("0"))
总是是假的,因为Split
会返回数组并且您将其与 String 组合在一起。
我怀疑你想要
old == "0"
代替。要么你需要明确你的情况(字符串中的任何地方的0
?一个0
作为拆分价值之一?A" 0& #34;作为第一个拆分值?)
作为分割值之一
然后使用
old.Split('\t').Contains(@"""0"""))
请注意,带有字符数组的Split
的重载使用params
关键字,因此您可以传入单个字符而不是将字符串转换为字符数组。我还在0
引号中加入了引号,因为您的输入数据的格式如何。