iOS用ASIHttpRequest上传

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#import <uikit uikit.h="">

#import "ASIHTTPRequest.h"

#import "ASIFormDataRequest.h"

@interface ViewController : UIViewController

@property (nonatomic, copy)NSString *m_auth;

@end</asihttprequestdelegate></uikit>

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- (void)viewDidLoad {

    [super viewDidLoad];

    UIButton *loginBtn = [UIButton buttonWithType:UIButtonTypeRoundedRect];

    loginBtn.frame = CGRectMake(100, 20, 120, 40);

    [loginBtn setTitle:@"登录" forState:UIControlStateNormal];

    [loginBtn addTarget:self action:@selector(login) forControlEvents:UIControlEventTouchUpInside];

    [self.view addSubview:loginBtn];

    UIButton *uploadBtn = [UIButton buttonWithType:UIButtonTypeRoundedRect];

    uploadBtn.frame = CGRectMake(100, 80, 120, 40);

    [uploadBtn setTitle:@"上传" forState:UIControlStateNormal];

    [uploadBtn   addTarget:self action:@selector(upload) forControlEvents:UIControlEventTouchUpInside];

    [self.view addSubview:uploadBtn];

}

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- (void)login {

    NSURL *url = [NSURL URLWithString:@"..."];//此处省略请求url

    //请求

    ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:url];

    request.tag = 10;

    request.delegate = self;

    [request startAsynchronous];

}

- (void)upload {

    NSURL* url = [NSURL URLWithString:@"..."];//此处省略请求url

    UIImage* img = [UIImage imageNamed:@"haoyou.png"];

    NSData* data = UIImagePNGRepresentation(img);

    //ASIFormDataRequest请求是post请求，可以查看其源码

    ASIFormDataRequest* request = [ASIFormDataRequest requestWithURL:url];

    request.tag = 20;

    request.delegate = self;

    [request setPostValue:self.m_auth forKey:@"m_auth"];

//    [request setFile:@"tabbar.png" forKey:@"haoyou"];//如果有路径，上传文件

    [request setData:data  withFileName:@"tmp.png" andContentType:@"image/png" forKey:@"headimage"];

//               数据                文件名,随便起                 文件类型            设置key

    [request startAsynchronous];

}

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- (void)requestFailed:(ASIHTTPRequest *)request {

    NSLog(@"请求失败");

}

- (void)requestFinished:(ASIHTTPRequest *)request {

    if (request.tag == 10) {

        NSDictionary * dic = [NSJSONSerialization JSONObjectWithData:request.responseData options:0 error:nil];

        self.m_auth = [dic objectForKey:@"m_auth"];

        NSLog(@"%@", self.m_auth);

    }

    if (request.tag == 20) {

        NSLog(@"%@", request.responseString);

    }

}