thmodel_ios_model/model/Classes/Controllers/CodeVC/ModelCodeController.m

//
//  ModelCodeController.m
//  model
//
//  Created by JuYi on 2018/7/20.
//  Copyright © 2018年 Mine. All rights reserved.
//  邀请二维码界面

#import "ModelCodeController.h"

@interface ModelCodeController ()
{
    NSString *invitationCode;
    NSString *qrcode;
}

@end

@implementation ModelCodeController


- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    
    self.navigationController.navigationBar.barStyle = UIBarStyleBlack;
    //设置导航栏透明
    [self.navigationController.navigationBar setTranslucent:YES];
    //把背景设为空
    [self.navigationController.navigationBar setBackgroundImage:[UIImage new] forBarMetrics:UIBarMetricsDefault];
    //处理导航栏有条线的问题
    [self.navigationController.navigationBar setShadowImage:[UIImage new]];
    [self.navigationController.navigationBar setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor whiteColor]}];
}

- (void)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];
    self.navigationController.navigationBar.barStyle = UIBarStyleDefault;
    //设置导航栏透明
    [self.navigationController.navigationBar setTranslucent:NO];
    //    //把背景设为空
    [self.navigationController.navigationBar setBackgroundImage:nil forBarMetrics:UIBarMetricsDefault];
    //处理导航栏有条线的问题
    [self.navigationController.navigationBar setShadowImage:nil];
    [self.navigationController.navigationBar setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor blackColor]}];
}

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    self.view.backgroundColor = [UIColor whiteColor];
    //设置导航条
    [self creatNavBar];
    //设置子试图
    [self creatSubViews];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

- (void)creatNavBar {

    self.title = @"我的邀请码";
    //
    UIButton *btn = [UIButton buttonWithType:UIButtonTypeCustom];
    btn.frame = CGRectMake(0, 0, 40, 40);
    [btn setImage:[UIImage imageNamed:@"fanhui1"] forState:UIControlStateNormal];
    btn.imageEdgeInsets =  UIEdgeInsetsMake(0, -20, 0, 0); // backBtn2
    [btn addTarget:self action:@selector(backClick) forControlEvents:UIControlEventTouchUpInside];
    UIBarButtonItem *leftItem = [[UIBarButtonItem alloc] initWithCustomView:btn];
    UIBarButtonItem *nagetiveSpacer = [[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil];
    //    nagetiveSpacer.width = -12;//这个值可以根据自己需要自己调整
    self.navigationItem.leftBarButtonItems = @[nagetiveSpacer, leftItem];
}

- (void)backClick {
    [self.navigationController popViewControllerAnimated:YES];
}

- (void)creatSubViews {
    
    UIImageView *imageView = [[UIImageView alloc] init];
    imageView.frame = self.view.bounds;
    imageView.userInteractionEnabled = YES;
    imageView.image = [UIImage imageNamed:@"erweimabeijing"];
    [self.view addSubview:imageView];
    
    NSString *pk = [ModelUser user].pk;
    invitationCode = [@"000000" stringByReplacingCharactersInRange:NSMakeRange(6-pk.length, pk.length) withString:pk];
    
    UILabel *codeLabel = [[UILabel alloc]initWithFrame:CGRectMake(0, ScreenHeight*560/1334, ScreenWidth, 60)];
    codeLabel.text = [ModelUser modelUser].qrcode;
    codeLabel.font = [UIFont systemFontOfSize:50];
    codeLabel.textAlignment = NSTextAlignmentCenter;
    codeLabel.textColor = RGBValueColor(0xfe4086, 1.0);
    [imageView addSubview:codeLabel];
    
    UIButton *copyButton = [[UIButton alloc]initWithFrame:CGRectMake(ScreenWidth/2-67, CGRectGetMaxY(codeLabel.frame)+20, 135, 45)];
    [copyButton setBackgroundImage:[UIImage imageNamed:@"fuzhianniu"] forState:UIControlStateNormal];
    [copyButton setTitle:@"复制" forState:UIControlStateNormal];
    copyButton.titleLabel.textColor = [UIColor whiteColor];
    copyButton.titleLabel.font = [UIFont systemFontOfSize:20];
    [copyButton addTarget:self action:@selector(copyCode) forControlEvents:UIControlEventTouchUpInside];
    [imageView addSubview:copyButton];
}

-(void)copyCode{
    
    UIPasteboard *pboard = [UIPasteboard generalPasteboard];
    pboard.string = [ModelUser modelUser].qrcode;
    
    UIAlertController *alertDialog = [UIAlertController alertControllerWithTitle:@"提示" message:@"邀请码已复制" preferredStyle:UIAlertControllerStyleAlert];
    UIAlertAction *laterAction = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
        
    }];
    [alertDialog addAction:laterAction];
    [self presentViewController:alertDialog animated:YES completion:nil];
}


@end