protected void Page_Load(object sender, EventArgs e)
{
string[] strArr = { "111", "222" };
Pp(strArr);
}
public void Pp(string[] urls)
{
urls = new string[1];
urls[0] = "333";
}
结果strArr的还是原来的 { "111", "222" }
但是如果我Pp函数这么写:
public void Pp(string[] urls)
{
urls[0] = "333";
}
strArr的就会变成 { "333", "222" }
这是为什么呀?