jixin_new/shiku_im/ClassesNew/classes/fuliVc/JXActiveDetial2Vc.m

//
//  JXActiveDetial2.m
//  shiku_im
//
//  Created by 123 on 2020/6/10.
//  Copyright © 2020 Reese. All rights reserved.
//

#import "JXActiveDetial2Vc.h"

@interface JXActiveDetail2Vc ()

@end

@implementation JXActiveDetail2Vc

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    [self defineNavBarXXX:@"活动详情" andRinghtBtnImg:@"222"];

       UIScrollView *imageScrollView =[[UIScrollView alloc]init];
       if (@available(iOS 11.0, *)) {
           imageScrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
       } else {
           // Fallback on earlier versions
       }
       imageScrollView.backgroundColor=kRGBColor(232, 230, 231);
       [self.view addSubview:imageScrollView];
       [imageScrollView mas_makeConstraints:^(MASConstraintMaker *make) {
           make.top.mas_equalTo(JX_SCREEN_TOP);
           make.left.mas_equalTo(0);
           make.right.mas_equalTo(0);
           make.bottom.mas_equalTo(0);
       }];
       
       UIImageView *imageBackV=[[UIImageView alloc]initWithImage:[UIImage imageNamed:_strIMG]];
       imageBackV.userInteractionEnabled=YES;
       imageBackV.contentMode=UIViewContentModeScaleAspectFill;
       [imageScrollView addSubview:imageBackV];
       CGFloat imageYW = CGImageGetWidth(imageBackV.image.CGImage);
       // iamgeView的H = imageView的宽 / （原始图片的宽 / 原始图片的高）---根据宽高比得出imageView的宽
       CGFloat imageH = JX_SCREEN_WIDTH / (imageYW / CGImageGetHeight(imageBackV.image.CGImage));
       imageBackV.frame = CGRectMake(0, 0, JX_SCREEN_WIDTH, imageH);
     
       
       imageScrollView.contentSize=CGSizeMake(0, imageH+1);
}

@end