一.AFNetworking上传图片
/**
需要Demo,可留言
*/
1.利用AFnetworking上传图片.
2.注意将UIImage类型转化为NSData类型,传给后台.
二.Demo
//
// ViewController.m
// Demo-AFNetworking-上传图片
//
// Created by quhaola on 16/4/8.
// Copyright © 2016年 MC. All rights reserved.
// #import "ViewController.h" #import <MobileCoreServices/MobileCoreServices.h>
#import "AFHTTPRequestOperationManager.h" #define YYIP @"http://服务器地址" @interface ViewController () <UINavigationControllerDelegate,UIImagePickerControllerDelegate> @property (nonatomic, strong) UIImageView * imageView; @end @implementation ViewController #pragma mark - 生命周期
- (void)viewDidLoad {
[super viewDidLoad]; //从相册选择
[self addLibraryButton]; //从拍照选取
[self addPhotoButton]; //展示选择或者拍照的图片
[self addImageView];
} #pragma mark - 实现方法 #pragma mark 相册按钮
- (void)addLibraryButton
{
UIButton * libraryButton = [UIButton buttonWithType:UIButtonTypeCustom];
libraryButton.frame = CGRectMake(, , , );
libraryButton.backgroundColor = [UIColor blueColor];
[libraryButton setTitle:@"相册" forState:UIControlStateNormal]; [libraryButton addTarget:self action:@selector(addLibraryButtonClicked) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:libraryButton];
} #pragma mark 拍照按钮
- (void)addPhotoButton
{
UIButton * photoButton = [UIButton buttonWithType:UIButtonTypeCustom];
photoButton.frame = CGRectMake(, , , );
photoButton.backgroundColor = [UIColor blueColor];
[photoButton setTitle:@"拍照" forState:UIControlStateNormal]; [photoButton addTarget:self action:@selector(photoButtonClicked) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:photoButton];
} #pragma mark 展示图片
- (void)addImageView
{
self.imageView = [[UIImageView alloc] init];
self.imageView.frame = CGRectMake(, , self.view.bounds.size.width - , ); self.imageView.backgroundColor = [UIColor grayColor];
[self.view addSubview:self.imageView];
} #pragma mark - 点击事件 #pragma mark 相册按钮的点击事件
- (void)addLibraryButtonClicked
{
NSLog(@"相册"); //先判断是否支持相册类型
if (![UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypePhotoLibrary])
{
NSLog(@"相册不可用");
return;
} //创建图片选取类
UIImagePickerController * imagePickerController = [[UIImagePickerController alloc] init];
imagePickerController.delegate = self;
imagePickerController.allowsEditing = YES; imagePickerController.sourceType = UIImagePickerControllerSourceTypePhotoLibrary; [self presentViewController:imagePickerController animated:YES completion:^{ }];
} #pragma mark 拍照按钮的点击事件
- (void)photoButtonClicked
{
NSLog(@"拍照"); if (![UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera])
{
NSLog(@"相机不可用");
return;
} NSArray * availableMeidatypes = [UIImagePickerController availableMediaTypesForSourceType:UIImagePickerControllerSourceTypeCamera]; BOOL canTakePicture = NO; for (NSString * mediaType in availableMeidatypes)
{
if ([mediaType isEqualToString:(NSString *)kUTTypeImage])
{ //支持拍照
canTakePicture = YES;
break;
}
} if (!canTakePicture)
{
NSLog(@"不支持拍照");
return;
} //创建图片选取控制器
UIImagePickerController * imagePickerController = [[UIImagePickerController alloc] init]; imagePickerController.sourceType = UIImagePickerControllerSourceTypeCamera; imagePickerController.mediaTypes = [[NSArray alloc] initWithObjects:(NSString *)kUTTypeImage, nil]; imagePickerController.allowsEditing = YES; imagePickerController.delegate = self; [self presentViewController:imagePickerController animated:YES completion:^{ }];
} #pragma mark - UIimagePickerController的代理方法 #pragma mark 确认按钮
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info
{
//获取媒体类型
NSString * mediaType = [info objectForKey:UIImagePickerControllerMediaType]; //判断是静态还是视频
//如果是图片
if ([mediaType isEqualToString:(NSString *)kUTTypeImage])
{ //获取用户编辑之后的图像
UIImage * editedImage = [info objectForKey:UIImagePickerControllerEditedImage]; [self sendNetWorking_iconWithImage:(UIImage *)editedImage]; //将图像保存到媒体库中
UIImageWriteToSavedPhotosAlbum(editedImage, self, @selector(image:didFinishSavingWithError:contextInfo:), NULL); self.imageView.image = editedImage; [self dismissViewControllerAnimated:YES completion:^{ }];
}
} #pragma mark 取消按钮
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{ } #pragma mark 将该图像保存到媒体库中调用的方法
- (void)image:(UIImage*)image didFinishSavingWithError:(NSError*)error contextInfo:(void*)contextInfo{ if (!error)
{
NSLog(@"保存成功");
}
else
{
NSLog(@"保存失败");
}
}
#pragma mark 发起网络请求
- (void)sendNetWorking_iconWithImage:(UIImage *)image
{
NSString * urlStr = [NSString stringWithFormat:@"%@%@",YYIP,@"changeAvatar"];
//除了文件
NSDictionary * parameter = @{
@"id" : @""
};
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
[manager POST:urlStr parameters:parameter constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
/** 参数:
1. data:<#(nonnull NSData *)#> 获取的UIImage对象,转化为NSData类型
2. name:<#(nonnull NSString *)#> 与后台规定的名字一致
3. fileName:<#(nonnull NSString *)#> 文件的名字,必须不一致,可以用当前时间作为文件名
4. mineType:<#(nonnull NSString *)#> 文件类型
*/
NSData *imageData = UIImageJPEGRepresentation(image, 0.3);
[formData appendPartWithFileData:imageData name:@"avatar" fileName:@"image.png" mimeType:@"image/jpeg"];
} success:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(@"responseObject: %@",responseObject);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"error: %@",error);
}];
}
@end