一：

#define kScreenHeight [UIScreen mainScreen].bounds.size.height

#define kScreenWith  [UIScreen mainScreen].bounds.size.width

//当前屏幕与设计尺寸(iPhone6)宽度比例

@property(nonatomic,assign)CGFloat autoSizeScaleW;

//当前屏幕与设计尺寸(iPhone6)高度比例

@property(nonatomic,assign)CGFloat autoSizeScaleH;

二：

实现自定义方法- (void)initAutoScaleSize;

- (CGFloat)initAutoScaleSize{

//[UIScreen mainScreen].bounds.size.width

if (kScreenHeight==480) {

//4s

self.autoSizeScaleW = kScreenWith/736;

//_autoSizeScaleH = kScreenHeight/414;

}else if(kScreenHeight==568) {

//5

self.autoSizeScaleW =kScreenWith/736;

//_autoSizeScaleH =kScreenHeight/414;

}else if(kScreenHeight==667){

//6

self.autoSizeScaleW =kScreenWith/736;

//_autoSizeScaleH =kScreenHeight/414;

}else if(kScreenHeight==736){

//6p

self.autoSizeScaleW =kScreenWith/736;

//_autoSizeScaleH =kScreenHeight/414;

}else if (kScreenHeight==1024){

self.autoSizeScaleW =kScreenWith/736;

}else{

self.autoSizeScaleW=kScreenWith/736;

}

return  self.autoSizeScaleW;

}

4.写控件时设置字体大小：

[UIFontsystemFontOfSize:autoScaleW(14)]

设置frame：

CGRectMake(CGRectGetMaxX(self.productNameLabel.frame) + 10 , self.productNameLabel.top+3,autoScaleW(32),autoScaleW(17));

顶

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