iOS开发之多文件上传

//

//  ViewController.m

//  B03-多文件上传

//

//  Created by 0426iOS on 15/7/1.

//  Copyright (c) 2015年 0426iOS. All rights reserved.

//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

}

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{

NSString *strUrl = @"http://127.0.0.1/upload/upload-m.php";

//加载两个文件

NSString *fileName1 = @"oo.png";

NSString *path1 = [[NSBundle mainBundle] pathForResource:fileName1 ofType:nil];

NSData *data1 = [NSData dataWithContentsOfFile:path1];

NSString *fileName2 = @"xx.png";

NSString *path2 = [[NSBundle mainBundle] pathForResource:fileName2 ofType:nil];

NSData *data2 = [NSData dataWithContentsOfFile:path2];

NSDictionary *files = @{fileName1:data1,fileName2:data2};

NSDictionary *params = @{@"username":@"hhhhhhhhhhh"};

//上传多个文件

[self uploadFiles:strUrl files:files name:@"userfile[]" params:params];

}

#define kBOUNDARY @"aabbcc"

//上传多个文件

- (void)uploadFiles:(NSString *)strUrl files:(NSDictionary *)files name:(NSString *)name params:(NSDictionary *)param{

NSURL *url = [NSURL URLWithString:strUrl];

NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];

request.HTTPMethod = @"post";

//Content-Type:multipart/form-data; boundary=----WebKitFormBoundarycwuJbGNWchuHGPRT

NSString *ct = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",kBOUNDARY];

[request setValue:ct forHTTPHeaderField:@"Content-Type"];

//

request.HTTPBody = [self makeBody:files name:name params:param];

[NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {

//

if (!connectionError) {

NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;

if (httpResponse.statusCode == 200) {

//

id json = [NSJSONSerialization JSONObjectWithData:data options:0 error:NULL];

NSLog(@"%@",json);

}else{

NSLog(@"服务器内部错误");

}

}else{

NSLog(@"请求错误%@",connectionError);

}

}];

}

//

- (NSData *)makeBody:(NSDictionary *)files name:(NSString *)name params:(NSDictionary *)param{

NSMutableData *mData = [NSMutableData data];

//准备文件

[files enumerateKeysAndObjectsUsingBlock:^(NSString *key, NSData *data, BOOL *stop) {

//        ------WebKitFormBoundarycwuJbGNWchuHGPRT

//        Content-Disposition: form-data; name="userfile[]"; filename="Snip20150701_10.png"

//        Content-Type: image/png

//1

NSMutableString *mStr = [NSMutableString string];

[mStr appendFormat:@"\r\n--%@\r\n",kBOUNDARY];

[mStr appendFormat:@"Content-Disposition: form-data; name=\"%@\"; filename=\"%@\"\r\n",name,key];

[mStr appendString:@"application/octet-stream\r\n"];

[mStr appendString:@"\r\n"];

[mData appendData:[mStr dataUsingEncoding:NSUTF8StringEncoding]];

//2

[mData appendData:data];

}];

//准备表单中的数据

[param enumerateKeysAndObjectsUsingBlock:^(NSString *key, NSString *value, BOOL *stop) {

//        ------WebKitFormBoundarycwuJbGNWchuHGPRT

//        Content-Disposition: form-data; name="username"

//

//        345345

NSMutableString *mStr = [NSMutableString string];

[mStr appendFormat:@"\r\n--%@\r\n",kBOUNDARY];

[mStr appendFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n",key];

[mStr appendString:@"\r\n"];

[mStr appendFormat:@"%@\r\n",value];

[mData appendData:[mStr dataUsingEncoding:NSUTF8StringEncoding]];

}];

NSString *end = [NSString stringWithFormat:@"--%@--\r\n",kBOUNDARY];

[mData appendData:[end dataUsingEncoding:NSUTF8StringEncoding]];

return mData.copy;

}

@end