public static List <string> ReadFrom(string file, bool saveread)
{
string line;
try
{
using (var reader = File.OpenText(file))
{
List <string> result = new List <string>();
while ((line = reader.ReadLine()) != null)
{
if (line.Contains("\\n"))
{
result.Add(Function.ToDataString(line));
}
else
{
result.Add(line);
}
}
return(result);
}
}
catch
{
if (saveread)
{
WriteFiles.Write(new string[0], file);
return(new List <string>());
}
else
{
throw new Exception("无法找到文件");
}
}
}
public static string DeleteLines(string path, int startIndex, int endIndex)
{
if (File.Exists(path))
{
if (startIndex <= endIndex)
{
string[] tem_read = ReadFiles.ReadOnly(path, false); //缓存原内容
if (endIndex < tem_read.Length)
{
string[] output_str = new string[tem_read.Length - (endIndex - startIndex + 1)]; //声明输出变量
int j = 0; //为输出变量添加索引
for (int i = 0; i < startIndex; i++)
{
output_str[j] = tem_read[i];
j++;
}
for (int i = endIndex + 1; i < tem_read.Length; i++)
{
output_str[j] = tem_read[i];
j++;
}
WriteFiles.Write(output_str, path);
return("OK");
}
else
{
return("[Error]Index超出范围");
}
}
throw new ArgumentException("[Error]StartIndex大于EndIndex");
}
else
{
return("[Error]找不到文件");
}
}