文件上传方法中body处需要填写request的请求体
#define XMGBoundary @"520it"
#define XMGEncode(string) [string dataUsingEncoding:NSUTF8StringEncoding]
#define XMGNewLine [@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]
#import "ViewController.h"
@interface ViewController ()
/** session */
@property (nonatomic, strong) NSURLSession *session;
@end
@implementation ViewController
- (NSURLSession *)session
{
if (!_session) {
NSURLSessionConfiguration *cfg = [NSURLSessionConfiguration defaultSessionConfiguration];
cfg.timeoutIntervalForRequest = 10;
// 是否允许使用蜂窝网络（手机自带网络）
cfg.allowsCellularAccess = YES;
_session = [NSURLSession sessionWithConfiguration:cfg];
}
return _session;
}
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"http://120.25.226.186:32812/upload"]];
request.HTTPMethod = @"POST";
// 设置请求头(告诉服务器,这是一个文件上传的请求)
[request setValue:[NSString stringWithFormat:@"multipart/form-data; boundary=%@", XMGBoundary]forHTTPHeaderField:@"Content-Type"];
// 设置请求体
NSMutableData *body = [NSMutableData data];
// 文件参数
// 分割线
[body appendData:XMGEncode(@"--")];
[body appendData:XMGEncode(XMGBoundary)];
[body appendData:XMGNewLine];
// 文件参数名
[body appendData:XMGEncode([NSString stringWithFormat:@"Content-Disposition: form-data; name=\"file\";filename=\"test.png\""])];
[body appendData:XMGNewLine];
// 文件的类型
[body appendData:XMGEncode([NSString stringWithFormat:@"Content-Type: image/png"])];
[body appendData:XMGNewLine];
// 文件数据
[body appendData:XMGNewLine];
[body appendData:[NSData dataWithContentsOfFile:@"/Users/xiaomage/Desktop/test.png"]];
[body appendData:XMGNewLine];
// 结束标记
/*
--分割线--\r\n
*/
[body appendData:XMGEncode(@"--")];
[body appendData:XMGEncode(XMGBoundary)];
[body appendData:XMGEncode(@"--")];
[body appendData:XMGNewLine];
[[self.session uploadTaskWithRequest:request fromData:body completionHandler:^(NSData *data, NSURLResponse *response, NSError *error)
{
NSLog(@"-------%@", [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:nil]);
}] resume];
}
@end
