iOS file Upload

iOS file Upload

In iOS to upload files a lot of ways, such as the file Base64 direct post, originally intended to do so, found a variety of uncomfortable, service end also all kinds of uncomfortable, so simply use the standard HTTP upload protocol Mutipart to make a upload, the specific code as follows

Header file

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@interface HttpRequest : NSObject   +(id)upload:(NSString *)url widthParams:(NSDictionary *)params;    @end   @interface FileDetail : NSObject @property(strong,nonatomic) NSString *name; @property(strong,nonatomic) NSData *data; +(FileDetail *)fileWithName:(NSString *)name data:(NSData *)data; @end

Main file?

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// //  HttpRequest.m //  recofm // //  Created by reco on 13-12-25. //  Copyright (c) 2013年 reco. All rights reserved. //   #import "HttpRequest.h"      #define BOUNDARY @"----------cH2gL6ei4Ef1KM7cH2KM7ae0ei4gL6"   @implementation HttpRequest   +(id)upload:(NSString *)url widthParams:(NSDictionary *)params {           NSError *err = nil;     NSMutableURLRequest *myRequest = [ [NSMutableURLRequest alloc] initWithURL: [NSURL URLWithString:url] cachePolicy:NSURLRequestReloadIgnoringLocalAndRemoteCacheData timeoutInterval:0];     [myRequest setHTTPMethod:@"POST"];     [myRequest setValue:[@"multipart/form-data; boundary=" stringByAppendingString:BOUNDARY] forHTTPHeaderField:@"Content-Type"];           NSMutableData *body = [NSMutableData data];           for(NSString *key in params) {         id content = [params objectForKey:key];         if ([content isKindOfClass:[NSString class]] || [content isKindOfClass:[NSNumber class]]) {             NSString *param = [NSString stringWithFormat:@"--%@\r\nContent-Disposition: form-data; name=\"%@\"\r\n\r\n%@\r\n",BOUNDARY,key,content,nil];             [body appendData:[param dataUsingEncoding:NSUTF8StringEncoding]];                       } else if([content isKindOfClass:[FileDetail class]]) {                           FileDetail *file = (FileDetail *)content;                           NSString *param = [NSString stringWithFormat:@"--%@\r\nContent-Disposition: form-data; name=\"%@\";filename=\"%@\"\r\nContent-Type: application/octet-stream\r\n\r\n",BOUNDARY,key,file.name,nil];             [body appendData:[param dataUsingEncoding:NSUTF8StringEncoding]];             [body appendData:file.data];             [body appendData:[@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];         }     }     NSString *endString = [NSString stringWithFormat:@"--%@--",BOUNDARY];     [body appendData:[endString dataUsingEncoding:NSUTF8StringEncoding]];     [myRequest setHTTPBody:body];            NSData *returnData = [NSURLConnection sendSynchronousRequest:myRequest returningResponse:nil error:&err];                             id jsonObj = [NSJSONSerialization JSONObjectWithData:returnData options:noErr error:nil];            return jsonObj; }         @end     @implementation FileDetail +(FileDetail *)fileWithName:(NSString *)name data:(NSData *)data {     FileDetail *file = [[self alloc] init];     file.name = name;     file.data = data;     return file; } @end

How to use

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NSData *imageData = UIImageJPEGRepresentation(image,0.8);    FileDetail *file = [FileDetail fileWithName:@"avatar.jpg" data:imageData];    NSDictionary *params = [NSDictionary dictionaryWithObjectsAndKeys:                            file,@"file",                            @"upload",@"action",                            nil nil];    NSDictionary *result = [HttpRequest upload:@"http://upload.corp.reco.cn/uploadimage" widthParams:params];    NSLog(@"%@",result);

iOS File Upload