直接上代码
UIButton *button = [self.phoneText valueForKey:@"_clearButton"];
[button setImage:[UIImage imageNamed:@"guanbi"] forState:UIControlStateNormal];
self.phoneText.clearButtonMode = UITextFieldViewModeWhileEditing;
UIButton *button = [self.phoneText valueForKey:@"_clearButton"];
[button setImage:[UIImage imageNamed:@"guanbi"] forState:UIControlStateNormal];
self.phoneText.clearButtonMode = UITextFieldViewModeWhileEditing;