UIBUTTON 拉伸方法

_registerBt = [[UIButtonalloc]initWithFrame:CGRectMake(120,InterfaceHeight-35-20,80,35)];
UIImage * image = [UIImageimageNamed:@"aaa.png"];

image = [image resizableImageWithCapInsets:UIEdgeInsetsMake(0,16,0,
16)];

[_registerBtsetBackgroundImage:image forState:UIControlStateNormal];

[_registerBtsetTitle:@"注册"forState:UIControlStateNormal];

[_registerBt.titleLabelsetFont:[UIFontsystemFontOfSize:14]];

[_registerBtsetTitleColor:[UIColorblackColor]forState:UIControlStateNormal];

[_registerBtaddTarget:selfaction:@selector(goToRegister:)forControlEvents:UIControlEventTouchUpInside];
[self.viewaddSubview:_registerBt];
[_registerBtrelease];