新浪微博--状态发布及图片的上传

#pragma mark 发微博界面：sendStatus
-(void)sendStatus
{
    
    if ([self.textView.text isEqualToString:@""]) {
        UIAlertView *alter = [[UIAlertView alloc] initWithTitle:@"提示" message:@"您没输入任何东西" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles:nil, nil];
        [alter show];
    }else if([self textLength:self.textView.text] > 140)
    {
        UIAlertView *alter = [[UIAlertView alloc] initWithTitle:@"提示" message:@"输入文字大于140" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles:nil, nil];
        [alter show];
    }

    
   
    if (self.imageView) {
        
        // HTTP协议之multipart/form-data请求分析
        NSString *status = self.textView.text ;
        NSData *dataImg = UIImageJPEGRepresentation(self.imageView.image, 0.5);
        NSString *accesstoken = [AccountTool shareAccountTool].currentAcount.accessToken;
        
        NSString *urlStr = @"https://upload.api.weibo.com/2/statuses/upload.json";
        NSURL *url = [NSURL URLWithString:urlStr];
        NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
        [request setHTTPMethod:@"POST"];
        //Content-Disposition:form-data;access_token=%@;status=%@;pic=%@
        
        NSString *nextRow = @"\r\n";
        NSString *boundry = [NSString stringWithFormat:@"------%@",@((int)[[NSDate date] timeIntervalSince1970]).description];
        NSString *start = [@"--" stringByAppendingString:boundry];
        NSString *end = [@"--" stringByAppendingFormat:@"%@--",boundry];
        NSString *acctokenType = @"Content-Disposition: form-data; name=\"access_token\"";
        
        NSString *statusType = @"Content-Disposition: form-data; name=\"status\"";
        NSString *imageType = @"Content-Disposition: form-data; name=\"pic\"; filename=\"shell.png\"";
        NSString *value = [@"multipart/form-data" stringByAppendingFormat:@";boundary=%@",boundry];
        [request setValue:value forHTTPHeaderField:@"Content-Type"];
        NSMutableData *bodyData = [NSMutableData data];
        
        // accessToken
        [bodyData appendData:[start dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[nextRow dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[acctokenType dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[nextRow dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[nextRow dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[accesstoken dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[nextRow dataUsingEncoding:NSUTF8StringEncoding]];
        
        // status
        [bodyData appendData:[start dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[nextRow dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[statusType dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[nextRow dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[nextRow dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[status dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[nextRow dataUsingEncoding:NSUTF8StringEncoding]];
        
        // pic
        [bodyData appendData:[start dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[nextRow dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[imageType dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[nextRow dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[@"Content-Type:image/png" dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[nextRow dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:[nextRow dataUsingEncoding:NSUTF8StringEncoding]];
        [bodyData appendData:dataImg];
        [bodyData appendData:[nextRow dataUsingEncoding:NSUTF8StringEncoding]];
        
        [bodyData appendData:[end dataUsingEncoding:NSUTF8StringEncoding]];
//        
//        NSString *bodyString = [NSString stringWithFormat:@"Content-Disposition:form-data;access_token=%@;status=%@;pic=%@",[AccountTool shareAccountTool].currentAcount.accessToken,status,dataImg];
//        NSData *data = [bodyString dataUsingEncoding:NSUTF8StringEncoding];
        [request setHTTPBody:bodyData];
        
        AFJSONRequestOperation *op = [AFJSONRequestOperation JSONRequestOperationWithRequest:request success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) {
            NSLog(@"发送成功 = %@",JSON);
            //        MBProgressHUD *hud = [MBProgressHUD ]
            
            // 发送成功 取消发送页
            [self dismissViewControllerAnimated:YES completion:nil];
            
        } failure:^(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, id JSON) {
            NSLog(@"error  == %@",error);
        }];
        [op start];

        
        
    }else{

#warning 发送为微博为"POST"请求
        NSString *status = self.textView.text ;
        NSString *urlStr = @"https://api.weibo.com/2/statuses/update.json";
        NSURL *url = [NSURL URLWithString:urlStr];
        NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
        [request setHTTPMethod:@"POST"];
        NSString *bodyString = [NSString stringWithFormat:@"%@=%@&status=%@",kAccessToken,[AccountTool shareAccountTool].currentAcount.accessToken,status];
        NSData *data = [bodyString dataUsingEncoding:NSUTF8StringEncoding];
        [request setHTTPBody:data];
        
        AFJSONRequestOperation *op = [AFJSONRequestOperation JSONRequestOperationWithRequest:request success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) {
//            NSLog(@"发送成功 = %@",JSON);
            
            // 发送成功 取消发送页
            [self dismissViewControllerAnimated:YES completion:nil];
            
        } failure:^(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, id JSON) {
            NSLog(@"error  == %@",error);
        }];
        [op start];
        
    }
    
    
}