在一个文件binary.txt中,在这个循环中,红色字体部分,是想在上次读取binary文件的基础上,读取上次读取的下一个字符,每次读取的8个字符都存于str这个字符数组中,这样实现不对呀,麻烦高手指教。
StreamReader sr = new StreamReader("d:\\binary.txt");
StreamWriter sw = new StreamWriter("d:\\compress.txt");
char[] str=new char [9];
str[8]='\0';
int c=0,loop=0,m=0;
int zero = 0;
char ch;
for (int k = 0; k < 8; k++)
{
str[k] = (char )sr.Read();
}
while (sr.Read() != -1)
{
c = 0;
for (int i = 0; i < 8; i++)
{
if (str[i] != '0')
c = c + (int)((str[i] - '0') * Math.Pow(2, 8 - 1 - i));
}
ch = (char)c;
sw.Write(ch.ToString ());
Console.WriteLine(ch);
if (str[8] == '0')
break;
for (int k = 0; k < 8; k++)
{
str[k] = (char )sr.Read();
if(sr.Read ()==-1)
{
for(int j=k;j<9;j++)
str [j]='0';
zero=8-k;
break ;
} else
str[k] = (char )sr.Read();
}
}
sw.Close();
sr.Close();
StreamReader sr = new StreamReader("d:\\binary.txt");
StreamWriter sw = new StreamWriter("d:\\compress.txt");
char[] str=new char [9];
str[8]='\0';
int c=0,loop=0,m=0;
int zero = 0;
char ch;
for (int k = 0; k < 8; k++)
{
str[k] = (char )sr.Read();
}
while (sr.Read() != -1)
{
c = 0;
for (int i = 0; i < 8; i++)
{
if (str[i] != '0')
c = c + (int)((str[i] - '0') * Math.Pow(2, 8 - 1 - i));
}
ch = (char)c;
sw.Write(ch.ToString ());
Console.WriteLine(ch);
if (str[8] == '0')
break;
for (int k = 0; k < 8; k++)
{
str[k] = (char )sr.Read();
if(sr.Read ()==-1)
{
for(int j=k;j<9;j++)
str [j]='0';
zero=8-k;
break ;
} else
str[k] = (char )sr.Read();
}
}
sw.Close();
sr.Close();
{
int temp = (char )sr.Read();
if(temp == -1)
{
for(int j=k;j<9;j++)
str [j]='0';
zero=8-k;
break ;
} else
str[k] = (char )temp;
}
}
int temp = sr.Read();不用转为字符