判断 一个字符串数组 是否能匹配 一个ArrayList 里的任何一个元素.Tostring() 例如:
一个
string[] filePath; //绝对文件全路径
ArrayList _fileSuffix = new ArrayList { "jpg", "jpeg", "jpe", "jfif", "bmp", "png", "tif", "tiff", "gif" };; // 后缀列表只要 filePath的任何一个元素能等于fileSuffix 的任何一个元素,就返回为true(封装到方法里)
一个
string[] filePath; //绝对文件全路径
ArrayList _fileSuffix = new ArrayList { "jpg", "jpeg", "jpe", "jfif", "bmp", "png", "tif", "tiff", "gif" };; // 后缀列表只要 filePath的任何一个元素能等于fileSuffix 的任何一个元素,就返回为true(封装到方法里)
string[] filePath = { "zswang.txt", "csdn.exe", "a.1" }; //绝对文件全路径
ArrayList _fileSuffix = new ArrayList();
_fileSuffix.Add("jpg"); // 后缀列表
_fileSuffix.Add("1"); // 后缀列表
bool exists = false;
for (int j = 0; j < filePath.Length; j++)
{
for (int i = 0; i < _fileSuffix.Count; i++)
{
if (string.Compare(Path.GetExtension(filePath[j]),
"." + _fileSuffix[i].ToString(), true) == 0)
{
exists = true;
break;
}
}
}
Console.WriteLine(exists);
List<string> _fileSuffix = new List<string> { "jpg", "jpeg", "jpe", "jfif", "bmp", "png", "tif", "tiff", "gif" }; ; // 后缀列表
bool b = (from t1 in filePath where _fileSuffix.Contains(t1) select t1).Count() > 0;
string[] filePath;
ArrayList _fileSuffix = new ArrayList(); public bool check()
{
bool b = false;
for (int i = 0; i < filePath.Length; i++)
{
if (_fileSuffix.IndexOf(filePath[i]) > -1)
{
b = true;
break;
}
}
return b;
}
if(_fileSuffix.IndexOf(s)>=0 )
return true;
return false;