1.设置tetxField的内边距
[self.yourTextField setValue:[NSNumber numberWithInt:5] forKey:@”paddingTop”];
[self.yourTextField setValue:[NSNumber numberWithInt:5] forKey:@”paddingLeft”];
[self.yourTextField setValue:[NSNumber numberWithInt:5] forKey:@”paddingBottom”];
[self.yourTextField setValue:[NSNumber numberWithInt:5] forKey:@”paddingRight”];
2.设置textfield的leftView 喂一个带有宽度的view
原文:http://www.cnblogs.com/chendiangoal/p/5980593.html