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| #import "ViewController.h"
#define FileBoundary @"Boundary"
#define NewLien @"\r\n"
#define Encode(str) [str dataUsingEncoding:NSUTF8StringEncoding]
@interface ViewController ()
@end
@implementation ViewController
- (NSString *)MIMEType:(NSURL *)url
{
// 1.创建一个请求
NSURLRequest *request = [NSURLRequest requestWithURL:url];
// 2.发送请求（返回响应）
NSURLResponse *response = nil;
[NSURLConnection sendSynchronousRequest:request returningResponse:&response error:nil];
// 3.获得MIMEType
return response.MIMEType;
}
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
[self upload];
}
- (void)upload
{
// 非文件参数
NSDictionary *params = @{
@"username" : @"李四",
@"pwd" : @"123",
@"age" : @30,
@"height" : @"1.55"
};
NSURL *url = [[NSBundle mainBundle] URLForResource:@"autolayout" withExtension:@"txt"];
NSData *data = [NSData dataWithContentsOfURL:url];
NSString *MIMEType = [self MIMEType:url];
[self upload:@"test.txt" mimeType:MIMEType fileData:data params:params];
}
- (void)upload:(NSString *)filename mimeType:(NSString *)mimeType fileData:(NSData *)fileData params:(NSDictionary *)params
{
// 1.请求路径
NSURL *url = [NSURL URLWithString:@"http://localhost:8080/MJServer/upload"];
// 2.创建一个POST请求
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
request.HTTPMethod = @"POST";
// 3.设置请求体
NSMutableData *body = [NSMutableData data];
// 3.1.文件参数
[body appendData:Encode(@"--")];
[body appendData:Encode(FileBoundary)];
[body appendData:Encode(NewLien)];
NSString *disposition = [NSString stringWithFormat:@"Content-Disposition: form-data; name=\"file\"; filename=\"%@\"", filename];
[body appendData:Encode(disposition)];
[body appendData:Encode(NewLien)];
NSString *type = [NSString stringWithFormat:@"Content-Type: %@", mimeType];
[body appendData:Encode(type)];
[body appendData:Encode(NewLien)];
[body appendData:Encode(NewLien)];
[body appendData:fileData];
[body appendData:Encode(NewLien)];
// 3.2.非文件参数
[params enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
[body appendData:Encode(@"--")];
[body appendData:Encode(FileBoundary)];
[body appendData:Encode(NewLien)];
NSString *disposition = [NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"", key];
[body appendData:Encode(disposition)];
[body appendData:Encode(NewLien)];
[body appendData:Encode(NewLien)];
[body appendData:Encode([obj description])];
[body appendData:Encode(NewLien)];
}];
// 3.3.结束标记
[body appendData:Encode(@"--")];
[body appendData:Encode(FileBoundary)];
[body appendData:Encode(@"--")];
[body appendData:Encode(NewLien)];
request.HTTPBody = body;
// 4.设置请求头(告诉服务器这次传给你的是文件数据，告诉服务器现在发送的是一个文件上传请求)
NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@", FileBoundary];
[request setValue:contentType forHTTPHeaderField:@"Content-Type"];
// 5.发送请求
[NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {
NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:nil];
NSLog(@"%@", dict);
}];
}
@end
|