一个mfc简单字符串压缩程序;按以下情况进行压缩;
1 仅压缩连续重复出现的字符。比如"abcbc"无连续重复字符,压缩后还是"abcbc"。
2 压缩的格式为"字符重复的次数+字符"。例如,"xxxyyyyyyz"压缩后就成为"3x6yz"。
cpp
void CYssDlg::OnButton1()
{
// TODO: Add your control notification handler code here
char str[100] = {'\0'};
char res[100] = {'\0'};
CString strText;
GetDlgItemText(IDC_EDIT1, strText);
//str=strText.GetBuffer(strText.GetLength());
//WideCharToMultiByte(CP_ACP,0,str,strText.GetLength(),strText,strText.GetLength());
sprintf(str, "%s", strText);
int length = strlen(str);
int i=0, j=0, k=0;
int count = 0;
do
{
if(i < length && str[i++] == str[j])
count++;
if(str[i] != str[j])
{
if(count <= 1)
res[k++] = str[j];
else
{
if(count > 1)
{
char temp[10] = {'\0'};
itoa(count,temp,10);
strcpy(res+k,temp);
k+=strlen(temp);
res[k++] = str[j];
}
}
j = i;
count = 0;
}
}while(i<length);
res[k] = '\0';
SetDlgItemText(IDC_EDIT2, res);
}
运行情况如下;
1
1
目前看上去没问题;最好是别输入数字;因为 aa11111,压缩后为2a51,数字可能不是太好分;
可执行文件可在此下载;
提取码:gc92