Question

将images和string参数的数组上传到服务器
上传图像和字符串数组。我只是使用这种方法我可以上传第一个single image。其他阵列图像无法上传

 [request setCachePolicy:NSURLRequestReloadIgnoringLocalCacheData];
            [request setHTTPShouldHandleCookies:NO];
            [request setTimeoutInterval:30];
            [request setHTTPMethod:action_type];



            NSString *boundary = @"14737809831466499882746641449";
            NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@", boundary];
            [request addValue:contentType forHTTPHeaderField:@"Content-Type"];



            NSMutableData *body = [NSMutableData data];

    if([param isEqualToString:kprofile_pic])
                {

                    //Photo
                    [body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
                    [body appendData:[@"Content-Disposition: form-data; name=\"photo[]\"; filename=\"image.png\"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
                    [body appendData:[@"Content-Type: image/png\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
                    [body appendData:[dictionary objectForKey:param]];
                    [body appendData:[@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
                    [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];

                }
                else
                {

                [body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
                [body appendData:[[NSString stringWithFormat:@"Content-Disposition:form-data; name=\"%@\"\r\n\r\n", param] dataUsingEncoding:NSUTF8StringEncoding]];
                [body appendData:[[NSString stringWithFormat:@"%@", [dictionary objectForKey:param]] dataUsingEncoding:NSUTF8StringEncoding]];
                [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];

                }


            }


            [request setHTTPBody:body];

Answer 1

如果数组计数已修复，则可以相应地将图像附加到主体。但是如果数组计数没有修复或者是动态的，那么在服务器端逐个发布图像。检查以下内容：

-(void)uploadimage
{
     NSDateFormatter *dateFormat = [[NSDateFormatter alloc] init];
    [dateFormat setDateFormat:@"yyyyMMddHHmmss"];
    NSDate *now = [[NSDate alloc] init];
    NSString *theDate = [dateFormat stringFromDate:now];
    NSLog(@"\n"
          "theDate: |%@| ", theDate);
    UIImage *image = [imagearray objectAtIndex:imagecount];
    imagecount++;


    NSData *imageData = [NSData dataWithData:UIImageJPEGRepresentation(image, 0.7f)];


    NSURL *dataURL = [NSURL URLWithString:baseurl];

    NSMutableURLRequest *dataRqst = [NSMutableURLRequest requestWithURL:dataURL cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:30.0];

    [dataRqst setHTTPMethod:@"POST"];

    NSString *stringBoundary = @"0xKhTmLbOuNdArY---This_Is_ThE_BoUnDaRyy---pqo";
    NSString *headerBoundary = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",stringBoundary];

    [dataRqst addValue:headerBoundary forHTTPHeaderField:@"Content-Type"];

    NSMutableData *postBody = [NSMutableData data];


    [postBody appendData:[[NSString stringWithFormat:@"--%@\r\n", stringBoundary] dataUsingEncoding:NSUTF8StringEncoding]];
    [postBody appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"image\"; filename=\"%@\"\r\n",[NSString stringWithFormat:@"%@.png",theDate]] dataUsingEncoding:NSUTF8StringEncoding]];
    [postBody appendData:[@"Content-Type: image/jpeg\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
    [postBody appendData:imageData];
    [postBody appendData:[@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];

    [postBody appendData:[[NSString stringWithFormat:@"--%@--\r\n", stringBoundary] dataUsingEncoding:NSUTF8StringEncoding]];
    [dataRqst setHTTPBody:postBody];

    NSHTTPURLResponse* response =[[NSHTTPURLResponse alloc] init];
    NSError* error = nil ;
    NSURLConnection *conn = [[NSURLConnection alloc] initWithRequest:dataRqst delegate:self];

   }

#pragma mark NSURLConnection Delegate Methods

- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {
    self.receiveData = [[NSMutableData alloc] init];
}

- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data {
    [self.receiveData appendData:data];

    NSError* error;
    NSDictionary* json = [NSJSONSerialization JSONObjectWithData:data
                                                         options:kNilOptions
                                                           error:&error];
    NSLog(@"json..%@",json);
    if (imagecount <[imagearray count]) {
        [self uploadimage];
    }
    else
    {

                UIAlertView *alert=  [[UIAlertView alloc] initWithTitle:nil
                                                                message:@"Data uploaded successfully"
                                                               delegate:nil
                                                      cancelButtonTitle:nil
                                                      otherButtonTitles:nil, nil] ;
                [alert show];
    }

}

- (NSCachedURLResponse *)connection:(NSURLConnection *)connection
                  willCacheResponse:(NSCachedURLResponse*)cachedResponse {
    return nil;
}

- (void)connectionDidFinishLoading:(NSURLConnection *)connection {
}

-(void)connection:(NSURLConnection *)connection didSendBodyData:(NSInteger)bytesWritten totalBytesWritten:(NSInteger)totalBytesWritten totalBytesExpectedToWrite:(NSInteger)totalBytesExpectedToWrite
{
}

Answer 2

#import "tesstt.h"
#import "HttpRequest.h"
@interface tesstt ()
{
    int imagecount;
}
@property(nonatomic,retain)NSMutableData *receiveData;
@property(nonatomic,retain)NSMutableArray *imagearray;

@end

@implementation tesstt

- (void)viewDidLoad {
    [super viewDidLoad];
}

-(IBAction)submit:(id)sender
{
    imagecount = 0;
    [self uploadimage];
}
-(void)uploadimage
{
    NSDateFormatter *dateFormat = [[NSDateFormatter alloc] init];
    [dateFormat setDateFormat:@"yyyyMMddHHmmss"];
    NSDate *now = [[NSDate alloc] init];
    NSString *theDate = [dateFormat stringFromDate:now];
    NSLog(@"\n"
          "theDate: |%@| ", theDate);
    UIImage *image = [self.imagearray objectAtIndex:imagecount];
    imagecount++;


    NSData *imageData = [NSData dataWithData:UIImageJPEGRepresentation(image, 0.7f)];

    NSString *baseurl = @"";

    NSURL *dataURL = [NSURL URLWithString:baseurl];

    NSMutableURLRequest *dataRqst = [NSMutableURLRequest requestWithURL:dataURL cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:30.0];

    [dataRqst setHTTPMethod:@"POST"];

    NSString *stringBoundary = @"0xKhTmLbOuNdArY---This_Is_ThE_BoUnDaRyy---pqo";
    NSString *headerBoundary = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",stringBoundary];

    [dataRqst addValue:headerBoundary forHTTPHeaderField:@"Content-Type"];

    NSMutableData *postBody = [NSMutableData data];


    [postBody appendData:[[NSString stringWithFormat:@"--%@\r\n", stringBoundary] dataUsingEncoding:NSUTF8StringEncoding]];
    [postBody appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"image\"; filename=\"%@\"\r\n",[NSString stringWithFormat:@"%@.png",theDate]] dataUsingEncoding:NSUTF8StringEncoding]];
    [postBody appendData:[@"Content-Type: image/jpeg\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
    [postBody appendData:imageData];
    [postBody appendData:[@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];

    [postBody appendData:[[NSString stringWithFormat:@"--%@--\r\n", stringBoundary] dataUsingEncoding:NSUTF8StringEncoding]];
    [dataRqst setHTTPBody:postBody];

    NSHTTPURLResponse* response =[[NSHTTPURLResponse alloc] init];
    NSError* error = nil ;
    NSURLConnection *conn = [[NSURLConnection alloc] initWithRequest:dataRqst delegate:self];

}

#pragma mark NSURLConnection Delegate Methods

- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {
    self.receiveData = [[NSMutableData alloc] init];
}

- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data {
    [self.receiveData appendData:data];

    NSError* error;
    NSDictionary* json = [NSJSONSerialization JSONObjectWithData:data
                                                         options:kNilOptions
                                                           error:&error];
    NSLog(@"json..%@",json);
    if (imagecount <[self.imagearray count]) {
        [self uploadimage];
    }
    else
    {

        UIAlertView *alert=  [[UIAlertView alloc] initWithTitle:nil
                                                        message:@"Data uploaded successfully"
                                                       delegate:nil
                                              cancelButtonTitle:nil
                                              otherButtonTitles:nil, nil] ;
        [alert show];
    }

}

- (NSCachedURLResponse *)connection:(NSURLConnection *)connection
                  willCacheResponse:(NSCachedURLResponse*)cachedResponse {
    return nil;
}

- (void)connectionDidFinishLoading:(NSURLConnection *)connection {
}

-(void)connection:(NSURLConnection *)connection didSendBodyData:(NSInteger)bytesWritten totalBytesWritten:(NSInteger)totalBytesWritten totalBytesExpectedToWrite:(NSInteger)totalBytesExpectedToWrite
{
}
@end

如何将图像数组和字符串参数上传到服务器？

2 个答案: