IOS上传文件开发

#import <UIKit/UIKit.h>

#import "AFHTTPRequestOperationManager.h"

@interface FKAppDelegate :UIResponder <UIApplicationDelegate>

@property (strong,nonatomic)UIWindow *window;

@property (strong,nonatomic)AFHTTPRequestOperationManager*
manager;

@end

然后在 FKAppDelegate.m文件初始化

#import "FKAppDelegate.h"

@implementation FKAppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary
*)launchOptions

{

self.manager = [AFHTTPRequestOperationManagermanager];

self.manager.responseSerializer = [[AFHTTPResponseSerializeralloc]init];

return
YES;

}

然后在自定义ViewController主要做例如以下操作

#import "FKViewController.h"

#import "FKAppDelegate.h"

@interface
FKViewController ()

{

FKAppDelegate* appDelegate;

NSArray* images;

}

@end

@implementation FKViewController

- (void)viewDidLoad

{

[superviewDidLoad];

appDelegate = [UIApplicationsharedApplication].delegate;

self.picker.dataSource
= self;

self.picker.delegate
= self;

//
使用简化语法创建NSArray集合

images =@[@"logo",@"java"
, @"android"];

}

// UIPickerViewDataSource中定义的方法。该方法返回值决定该控件包括多少列

- (NSInteger)numberOfComponentsInPickerView:(UIPickerView*)pickerView

{

//返回1表明该控件仅仅包括1列

;

}

-(NSInteger)pickerView:(UIPickerView *)pickerView

numberOfRowsInComponent:(NSInteger)component

{

returnimages.count;

}

#define kImageTag

- (UIView *)pickerView:(UIPickerView *)pickerView viewForRow:

(NSInteger)row forComponent:(NSInteger)component

reusingView:(UIView *)view

{

//假设可重用的view的tag不等于kImageTag，表明该view已经不存在，须要又一次创建

if(view.tag !=kImageTag)

{

view = [[UIViewalloc]init];

//
为该UIView设置tag属性

view.tag =kImageTag;

//设置不同意用户交互

view.userInteractionEnabled =NO;

UIImageView* iv = [[UIImageViewalloc]initWithImage:

[UIImageimageNamed:[imagesobjectAtIndex:row]]];

iv. , 
, ,);

iv.contentMode =UIViewContentModeScaleAspectFit;

[viewaddSubview:iv];

}

return view;

}

// UIPickerViewDelegate中定义的方法，该方法的返回值决定列表项的高度

- (CGFloat)pickerView:(UIPickerView *)pickerView

rowHeightForComponent:(NSInteger)component

{

;

}

// UIPickerViewDelegate中定义的方法，该方法的返回值决定列表项的宽度

- (CGFloat)pickerView:(UIPickerView *)pickerView

widthForComponent:(NSInteger)component

{

;

}

- (IBAction)upload:(id)sender

{

//获取用户选中的行

];

//获取用户选中的文件名称

NSString* fileName = [imagesobjectAtIndex:selectedRow];

//依据用户选中的文件名称确定须要上传的文件

NSURL *filePath = [[NSBundlemainBundle]URLForResource:fileName

withExtension:@"png"];

NSDictionary *parameters =@{@"name":@"额外的请求參数"};

//
使用AFHTTPRequestOperationManager发送POST请求

[appDelegate.manager

POST:@"http://192.168.1.88:8888/AFNetworkingServer/upload"

parameters:parameters

//使用代码块来封装要上传的文件数据

constructingBodyWithBlock:^(id<AFMultipartFormData>
formData)

{

[formDataappendPartWithFileURL:filePath //指定上传的文件

name:@"file" //指定上传文件相应的请求參数名

//指定上传文件的原始文件名称

fileName:[NSStringstringWithFormat:@"%@.png"
,fileName]

//指定上传文件的MIME类型

mimeType:@"image/png"

error:nil];

}

//获取server响应成功时激发的代码块

success:^(AFHTTPRequestOperation *operation,id
responseObject)

{

//当使用HTTP响应解析器时，server响应数据被封装在NSData中

//
此处将NSData转换成NSString、并使用UIAlertView显示登录结果

[[[UIAlertViewalloc]initWithTitle:@"上传结果"
message:

[[NSStringalloc]initWithData:responseObjectencoding:

NSUTF8StringEncoding]delegate:self

cancelButtonTitle:@"确定"otherButtonTitles:nil]

show];

}

//获取server响应失败时激发的代码块

failure:^(AFHTTPRequestOperation *operation,NSError
*error)

{

NSLog(@"获取server响应出错！

");

}];

}

@end

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