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上传照片

上传照片

作者: 朕i | 来源:发表于2018-10-22 08:27 被阅读0次

#import "ViewController.h"

#import "WPhotoViewController.h"

@interface ViewController ()<UIActionSheetDelegate,UIImagePickerControllerDelegate,UINavigationControllerDelegate,UICollectionViewDelegate,UICollectionViewDataSource>

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

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

{

    BOOLisFullScreen;

        UIButton*_addBut;

        UITableView*_tableView;

        NSMutableArray*_photosArr;

        NSArray*arr;

        //网格

        UICollectionViewFlowLayout *layout;

        UICollectionView *tv;

}

@property(nonatomic,strong)UIImageView *imageView;

@end

@implementation ViewController

- (void)viewDidLoad

{

    [super viewDidLoad];

    //背景颜色

    self.view.backgroundColor = [UIColor whiteColor];

    //导航条颜色

    self.navigationController.navigationBar.backgroundColor = [UIColor whiteColor];

    //标题

    self.navigationItem.title = @"日常练习";

    [self createTableView];

    _imageView = [[UIImageView alloc]initWithFrame:CGRectMake(100,100, 200, 200)];

 _imageView.backgroundColor = [UIColor cyanColor];

    _imageView.layer.cornerRadius = 100;

    _imageView.layer.masksToBounds = YES;

    [self.view addSubview:_imageView];

    //创建按钮

    UIButton *chooseBtn = [UIButton buttonWithType:UIButtonTypeCustom];

    chooseBtn.frame=CGRectMake(155,100,100,40);

    [chooseBtnaddTarget:self action:@selector(chooseImage:) forControlEvents:UIControlEventTouchUpInside];

    [chooseBtnsetBackgroundColor:[UIColor brownColor]];

     [chooseBtnsetTitle:@"选择照片"forState:UIControlStateNormal];

     [self.viewaddSubview:chooseBtn];

    UIButton *btnnn= [[UIButton alloc]initWithFrame:CGRectMake(150, 330, 100, 50)];

    [btnnnsetTitle:@"上传" forState:UIControlStateNormal];

    btnnn.backgroundColor = [UIColor blueColor];

    [btnnnaddTarget:self action:@selector(Click) forControlEvents:UIControlEventTouchUpInside];

    [self.viewaddSubview:btnnn];

}

#pragma mark - 保存图片至沙盒

- (void) saveImage:(UIImage*)currentImage withName:(NSString*)imageName

{

    NSData*imageData =UIImageJPEGRepresentation(currentImage,0.5);

    // 获取沙盒目录

    NSString *fullPath = [[NSHomeDirectory()stringByAppendingPathComponent:@"Documents"]stringByAppendingPathComponent:imageName];

    // 将图片写入文件

    [imageDatawriteToFile:fullPathatomically:NO];

}

#pragma mark - image picker delegte

- (void)imagePickerController:(UIImagePickerController*)picker didFinishPickingMediaWithInfo:(NSDictionary*)info

{

    [pickerdismissViewControllerAnimated:YES completion:^{}];

    UIImage *image = [info objectForKey:UIImagePickerControllerOriginalImage];

    [self saveImage:image withName:@"currentImage.png"];

    NSString *fullPath = [[NSHomeDirectory()stringByAppendingPathComponent:@"Documents"]stringByAppendingPathComponent:@"currentImage.png"];

    UIImage *savedImage = [[UIImage alloc] initWithContentsOfFile:fullPath];

    isFullScreen =NO;

    [self.imageViewsetImage:savedImage];

    self.imageView.tag =100;

}

- (void)imagePickerControllerDidCancel:(UIImagePickerController*)picker

{

    [self dismissViewControllerAnimated:YES completion:^{}];

}

#pragma mark - actionsheet delegate

-(void) actionSheet:(UIActionSheet*)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex

{

    if(actionSheet.tag==255)

    {

        NSUIntegersourceType =0;

      // 判断是否支持相机

   if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera])

   {

       switch(buttonIndex)

       {

           case0:

            // 取消

               return;

           case1:

               // 相机

               sourceType =UIImagePickerControllerSourceTypeCamera;

               break;

            case2:

                // 相册

                UIImagePickerControllerSourceTypePhotoLibrary;

                break;

        }

    }

   else

    {

        if(buttonIndex ==0)

         {

            return;

         }

        else{

                sourceType =UIImagePickerControllerSourceTypeSavedPhotosAlbum;

           }

    }

        // 跳转到相机或相册页面

        UIImagePickerController *imagePickerController = [[UIImagePickerController alloc] init];

        imagePickerController.delegate=self;

        imagePickerController.allowsEditing=YES;

        imagePickerController.sourceType= sourceType;

        [selfpresentViewController:imagePickerControlleranimated:YEScompletion:^{}];

    }

}

- (void)chooseImage:(UIButton*)btn

{

    UIActionSheet *sheet;

     // 判断是否支持相机

    if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera])

         {

             sheet= [[UIActionSheet alloc]initWithTitle:@"选择"delegate:self cancelButtonTitle:nil destructiveButtonTitle:@"取消"otherButtonTitles:@"拍照",@"从相册选择",nil];

            }

    else{

        sheet = [[UIActionSheet alloc] initWithTitle:@"选择"delegate:self cancelButtonTitle:nil destructiveButtonTitle:@"取消"otherButtonTitles:@"从相册选择",nil];

         }

     sheet.tag=255;

     [sheetshowInView:self.view];

}

//上传多个照片按钮方法

-(void)Click

{

    WPhotoViewController *WphotoVC = [[WPhotoViewController alloc] init];

    //选择图片的最大数

    WphotoVC.selectPhotoOfMax=9;

    [WphotoVCsetSelectPhotosBack:^(NSMutableArray*phostsArr) {

        self->_photosArr= phostsArr;

        [self->tvreloadData];

    }];

    [self presentViewController:WphotoVC animated:YES completion:nil];

}

-(void)createTableView

{

    //流水布局

    layout = [[UICollectionViewFlowLayout alloc]init];

    //单元格大小

    layout.itemSize = CGSizeMake(90, 90);

    //创建网格

    tv = [[UICollectionView alloc]initWithFrame:CGRectMake(0, 300, self.view.frame.size.width, 400) collectionViewLayout:layout];

    //网格的背景色

    tv.backgroundColor = [UIColor yellowColor];

    //注册cell

    [tv registerClass:[UICollectionViewCell class] forCellWithReuseIdentifier:@"cell"];

    //代理

    tv.delegate=self;

    tv.dataSource = self;

    //将网格加入主视图

    [self.view addSubview:tv];

}

////分几组(网格)

-(NSInteger)numberOfSectionsInCollectionView:(UICollectionView*)collectionView

{

    return 1;

}

//一组有几行(网格)

-(NSInteger)collectionView:(UICollectionView*)collectionView numberOfItemsInSection:(NSInteger)section

{

    return _photosArr.count;

}

//展示网格每行的数据(网格)

-(UICollectionViewCell*)collectionView:(UICollectionView*)collectionView cellForItemAtIndexPath:(NSIndexPath*)indexPath

{

    //重用标识符

    UICollectionViewCell *cell = (UICollectionViewCell *)[collectionView dequeueReusableCellWithReuseIdentifier:@"cell" forIndexPath:indexPath];

    //装图片的那个框的颜色

    cell.backgroundColor = [UIColor cyanColor];

    UIImageView *imageView = [[UIImageView alloc] init];

    imageView.frame=CGRectMake(0,0,90,90);

    imageView.image= [[_photosArrobjectAtIndex:indexPath.item]objectForKey:@"image"];

    imageView.contentMode = UIViewContentModeScaleAspectFill;

    imageView.layer.masksToBounds=YES;

    [celladdSubview:imageView];

    returncell;

}

@end

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