stringbytrimmingcharactersinset专题
iOS: NSString的方法stringByTrimmingCharactersInSet:
- (NSString *)stringByTrimmingCharactersInSet:(NSCharacterSet *)set
NSString 的stringByTrimmingCharactersInSet使用
先上个例子： NSString * str1 =[nameInput.text stringByTrimmingCharactersInSet:[NSCharacterSetwhitespaceAndNewlineCharacterSet]]; NSString * str2 =[passwdInput.text stringByTrimmingCharactersInSet:[NS