var text: NSString = NSString(CString: titleLabel!.text!.cStringUsingEncoding(NSUTF8StringEncoding)!, encoding: NSUTF8StringEncoding)
<p class="p1">titleLabel<span class="s1">!.</span><span class="s2">text</span></p>其中,这个是String类型
var text: NSString = NSString(CString: titleLabel!.text!.cStringUsingEncoding(NSUTF8StringEncoding)!, encoding: NSUTF8StringEncoding)
<p class="p1">titleLabel<span class="s1">!.</span><span class="s2">text</span></p>其中,这个是String类型