IOS网络第五天 AFN-02-文件上传，底部弹出窗体，拍照和相册获取图片上传

#import "HMViewController.h"
#import "AFNetworking.h"

@interface HMViewController () <UINavigationControllerDelegate, UIImagePickerControllerDelegate,UIActionSheetDelegate>
@property (weak, nonatomic) IBOutlet UIImageView *imageView;
- (IBAction)upload;
@end

@implementation HMViewController

- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
}
//底部出现弹框
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
UIActionSheet *sheet = [[UIActionSheet alloc] initWithTitle:@"请选择图片" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:nil otherButtonTitles:@"拍照", @"相册", nil];
[sheet showInView:self.view.window];
}

#pragma mark - UIActionSheet
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
{
UIImagePickerController *ipc = [[UIImagePickerController alloc] init];
// 设置代理
ipc.delegate = self;

switch (buttonIndex) {
case 0: { // 拍照
if (![UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) return;
ipc.sourceType = UIImagePickerControllerSourceTypeCamera;
break;
}
case 1: { // 相册
if (![UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypePhotoLibrary]) return;
ipc.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
break;
}
default:
break;
}

// 显示控制器
[self presentViewController:ipc animated:YES completion:nil];
}

#pragma mark - UIImagePickerControllerDelegate
/**
*  在选择完图片后调用
*
*  @param info   里面包含了图片信息
*/
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
// 销毁控制器
[picker dismissViewControllerAnimated:YES completion:nil];

// 获得图片
UIImage *image = info[UIImagePickerControllerOriginalImage];

// 显示图片
self.imageView.image = image;
}

- (void)upload1
{
// 1.创建一个管理者
AFHTTPRequestOperationManager *mgr = [AFHTTPRequestOperationManager manager];

// 2.封装参数(这个字典只能放非文件参数)
NSMutableDictionary *params = [NSMutableDictionary dictionary];
params[@"username"] = @"123";
params[@"age"] = @20;
params[@"pwd"] = @"456";
params[@"height"] = @1.55;

// 2.发送一个请求
NSString *url = @"http://localhost:8080/MJServer/upload";
[mgr POST:url parameters:params constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
// 在发送请求之前会自动调用这个block
// 需要在这个block中添加文件参数到formData中

/**
FileURL : 需要上传的文件的URL路径
name : 服务器那边接收文件用的参数名
fileName : （告诉服务器）所上传文件的文件名
mimeType : 所上传文件的文件类型
*/
NSURL *url = [[NSBundle mainBundle] URLForResource:@"itcast" withExtension:@"txt"];
[formData appendPartWithFileURL:url name:@"file" fileName:@"test.txt" mimeType:@"text/plain" error:nil];

/**
FileData : 需要上传的文件的具体数据
name : 服务器那边接收文件用的参数名
fileName : （告诉服务器）所上传文件的文件名
mimeType : 所上传文件的文件类型
*/
//        UIImage *image = [UIImage imageNamed:@"minion_01"];
//        NSData *fileData = UIImagePNGRepresentation(image);
//        [formData appendPartWithFileData:fileData name:@"file" fileName:@"haha.png" mimeType:@"image/png"];
} success:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(@"上传成功");
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"上传失败");
}];
}

//点击上传的按钮
- (IBAction)upload {
if (self.imageView.image == nil) return;

// 1.创建一个管理者
AFHTTPRequestOperationManager *mgr = [AFHTTPRequestOperationManager manager];

// 2.封装参数(这个字典只能放非文件参数)
NSMutableDictionary *params = [NSMutableDictionary dictionary];
params[@"username"] = @"123";
params[@"age"] = @20;
params[@"pwd"] = @"456";
params[@"height"] = @1.55;

// 2.发送一个请求
NSString *url = @"http://192.168.15.172:8080/MJServer/upload";
[mgr POST:url parameters:params constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
NSData *fileData = UIImageJPEGRepresentation(self.imageView.image, 1.0);
[formData appendPartWithFileData:fileData name:@"file" fileName:@"haha.jpg" mimeType:@"image/jpeg"];

// 不是用这个方法来设置文件参数
//        [formData appendPartWithFormData:fileData name:@"file"];
} success:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(@"上传成功");
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"上传失败");
}];

// 文件下载，文件比较大，断点续传技术：普遍所有的HTTP服务器都支持
// 文件上传，文件比较大，断点续传技术：一般的HTTP服务器都不支持，常用的技术用的是Socket（TCP\IP、UDP）
}
@end