IOS上传照片(自己的代码整理了一下)

IOS上传照片源代码

UploadPhotoViewController.h 头文件

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#import <UIKit/UIKit.h>

#import "MBProgressHUD.h"

@interface UploadPhotoViewController :UIViewController<MBProgressHUDDelegate,UIActionSheetDelegate,UINavigationControllerDelegate,UIImagePickerControllerDelegate>{

MBProgressHUD *HUD;

}

-(void) snapImage;//拍照

-(void) pickImage;//从相册里找

- (UIImage *)scaleToSize:(UIImage *)img size:(CGSize)size;//把图缩放到合适的尽寸

@end

UploadPhotoViewController.m 源文件

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#import "UploadPhotoViewController.h"

#import"ASIFormDataRequest.h"//ASIRequest用来上传图片

#import"HJManagedImageV.h" //HJManagedImageV是图片缓存类，可以用其它异步加载图片类取代

#import "JSON.h"

#define UPLOAD_URL @"http://localhost/upload.php"//上传地址

@implementation UploadPhotoViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

self = [superinitWithNibName:nibNameOrNil bundle:nibBundleOrNil];

if (self) {

// Custom initialization

}

return self;

}

- (void)didReceiveMemoryWarning

{

// Releases the view if it doesn't have a superview.

[superdidReceiveMemoryWarning];

// Release any cached data, images, etc that aren't in use.

}

#pragma mark - View lifecycle

- (void)viewDidLoad

{

[superviewDidLoad];

// Do any additional setup after loading the view from its nib.

self.title =@"上代图片例子";

}

- (void)viewWillAppear:(BOOL)animated

{

[super viewWillAppear:animated];

HJManagedImageV* mi = [[[HJManagedImageValloc] initWithFrame:CGRectMake(20,20,280,280)]autorelease];

mi.url = [NSURL URLWithString:@"图片地址"]];

[mi showLoadingWheel];

mi.tag = 777 ;

[self.scrollView addSubview:mi];

MyAppDelegate *appDelegate = (MyAppDelegate *)[[UIApplication sharedApplication] delegate];

[mi setCallbackOnImageTap:self method:@selector(uploadPortrait:)];//点击图片，执行上传图片操作

[appDelegate.objMan manage:mi];//加载图片

}

- (void)viewDidUnload

{

[superviewDidUnload];

// Release any retained subviews of the main view.

// e.g. self.myOutlet = nil;

}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation

{

// Return YES for supported orientations

return (interfaceOrientation == UIInterfaceOrientationPortrait);

}

- (void)dealloc {

[super dealloc];

}

//上传图片操作开始，选择图片的来源

-(void)uploadPortrait:(id)sender{

UIActionSheet *menu = [[UIActionSheetalloc]

initWithTitle: @"更改图片"

delegate:self

cancelButtonTitle:@"取消"

destructiveButtonTitle:nil

otherButtonTitles:@"拍照",@"从相册上传",nil];

menu.actionSheetStyle =UIActionSheetStyleBlackTranslucent;

[menu showInView:self.navigationController.view];

}

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

{

if(buttonIndex == 0){

[self snapImage];

}else if(buttonIndex ==1){

[self pickImage];

}

[actionSheet release];

}

- (UIImage *)scaleToSize:(UIImage *)img size:(CGSize)size{

// 创建一个bitmap的context

// 并把它设置成为当前正在使用的context

UIGraphicsBeginImageContext(size);

// 绘制改变大小的图片

[img drawInRect:CGRectMake(0,0, size.width, size.height)];

// 从当前context中创建一个改变大小后的图片

UIImage* scaledImage =UIGraphicsGetImageFromCurrentImageContext();

// 使当前的context出堆栈

UIGraphicsEndImageContext();

//返回新的改变大小后的图片

return scaledImage;

}

-(void)uploadPortraitTask:(NSDictionary *)info{

// Do something usefull in here instead of sleeping ...

NSURL *URL = [NSURLURLWithString:UPLOAD_URL];

ASIFormDataRequest *Request = [ASIFormDataRequestrequestWithURL:URL];

[Request setRequestMethod:@"POST"];

[Request addRequestHeader:@"Content-Type"value:@"application/json"];

[Request setTimeOutSeconds:60];

//[Request setPostValue:auth forKey:@"auth"];

UIImage *img = [selfscaleToSize:[infoobjectForKey:@"UIImagePickerControllerOriginalImage"]size:CGSizeMake(300,300)];

[Request setData:UIImagePNGRepresentation(img)forKey:@"file"];

[Request setDelegate:self];

[Request setCompletionBlock:^{

NSString *responseString = [Request responseString];

//NSLog(@"Response: %@", responseString);

NSDictionary *info = [responseString JSONValue];

NSNumber *status = [info objectForKey:@"status"];

if([status intValue]==1){

HJManagedImageV* mi = (HJManagedImageV *)[self.viewviewWithTag:777];

//set the URL that we want the managed image view to load

[mi clear];

mi.url = [NSURLURLWithString:[info objectForKey:@"filePath"]];

[mi showLoadingWheel];

mi.tag = 777 ;

IBMEventAppDelegate *appDelegate = (IBMEventAppDelegate *)[[UIApplicationsharedApplication] delegate];

//[mi setCallbackOnImageTap:self method:@selector(uploadPortrait:)];

[appDelegate.objMan manage:mi];

[appDelegate loadLoginInfoData];

UIAlertView *av=[[[UIAlertViewalloc] initWithTitle:nilmessage:@"图片上传成功!" delegate:nilcancelButtonTitle:@"OK"otherButtonTitles:nil]autorelease];

[av show];

}else if([statusintValue]==-1){

UIAlertView *av=[[[UIAlertViewalloc] initWithTitle:nilmessage:[info objectForKey:@"msg"]delegate:nilcancelButtonTitle:@"OK"otherButtonTitles:nil]autorelease];

[av show];

}else{

UIAlertView *av=[[[UIAlertViewalloc] initWithTitle:nilmessage:[info objectForKey:@"msg"]delegate:nilcancelButtonTitle:@"OK"otherButtonTitles:nil]autorelease];

[av show];

}

[MBProgressHUDhideHUDForView:self.navigationController.viewanimated:YES];

}];

[Request setFailedBlock:^{

NSError *error = [Request error];

NSLog(@"Error: %@,%@", error.localizedDescription,Request.url);

}];

[Request startSynchronous];

}

- (void)image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo;

{

if (!error){

UIAlertView *av=[[[UIAlertViewalloc] initWithTitle:nilmessage:@"Image written to photo album"delegate:nilcancelButtonTitle:@"OK"otherButtonTitles:nil]autorelease];

[av show];

}else{

UIAlertView *av=[[[UIAlertViewalloc] initWithTitle:nilmessage:[NSStringstringWithFormat:@"Error writing to photo album: %@",[errorlocalizedDescription]] delegate:nilcancelButtonTitle:@"OK"otherButtonTitles:nil]autorelease];

[av show];

}

}

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

{

HUD = [MBProgressHUDshowHUDAddedTo:self.navigationController.viewanimated:YES];

HUD.dimBackground =YES;

HUD.delegate =self;

HUD.labelText =@"请稍等";

HUD.square =YES;

[HUDshowWhileExecuting:@selector(uploadPortraitTask:)onTarget:selfwithObject:info animated:YES];

//SETIMAGE([info objectForKey:@"UIImagePickerControllerOriginalImage"]);

[selfdismissModalViewControllerAnimated:YES];

[picker release];

}

// Provide 2.x compliance

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)image editingInfo:(NSDictionary *)editingInfo

{

NSDictionary *dict = [NSDictionarydictionaryWithObject:imageforKey:@"UIImagePickerControllerOriginalImage"];

[selfimagePickerController:picker didFinishPickingMediaWithInfo:dict];

}

// Optional but "expected" dismiss

/*

- (void) imagePickerControllerDidCancel:

(UIImagePickerController *)picker

{

[self dismissModalViewControllerAnimated:YES];

[picker release];

}

*/

- (void) pickImage

{

UIImagePickerController *ipc = [[UIImagePickerControlleralloc] init];

ipc.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;

ipc.delegate =self;

ipc.allowsEditing =NO;

[selfpresentModalViewController:ipc animated:YES];

}

- (void) snapImage

{

UIImagePickerController *ipc = [[UIImagePickerControlleralloc] init];

ipc.sourceType = UIImagePickerControllerSourceTypeCamera;

ipc.delegate =self;

ipc.allowsEditing =NO;

[selfpresentModalViewController:ipc animated:YES];

}