AFN实现文件上传
#import "ViewController.h"
#import "AFNetworking.h"
#define Kboundary @"----WebKitFormBoundaryjv0UfA04ED44AhWx"
#define KNewLine [@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]
@interface ViewController ()
@end
@implementation ViewController
-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
[self upload2];
}
//不推荐
-(void)upload
{
//1.创建会话管理者
AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
//2.1url
NSURL *url = [NSURL URLWithString:@"http://120.215.216.186:32812/upload"];
//2.2创建请求对象
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
//2.3 设置请求方法
request.HTTPMethod = @"POST";
//2.4 设请求头信息
[request setValue:[NSString stringWithFormat:@"multipart/form-data; boundary=%@",Kboundary] forHTTPHeaderField:@"Content-Type"];
//3.发送请求上传文件
NSURLSessionUploadTask *uploadTask = [manager uploadTaskWithRequest:request fromData:[self getBodyData] progress:^(NSProgress * _Nonnull uploadProgress) {
NSLog(@"%f",1.0 * uploadProgress.completedUnitCount/ uploadProgress.totalUnitCount);
} completionHandler:^(NSURLResponse * _Nonnull response, id _Nullable responseObject, NSError * _Nullable error) {
NSLog(@"%@",responseObject);
}];
//4.执行task
[uploadTask resume];
}
-(void)upload2
{
//1.创建会话管理者
AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
// NSDictionary *dictM = @{}
//2.发送post请求上传文件
/*
第一个参数:请求路径
第二个参数:字典(非文件参数)
第三个参数:constructingBodyWithBlock 处理要上传的文件数据
第四个参数:进度回调
第五个参数:成功回调 responseObject:响应体信息
第六个参数:失败回调
*/
[manager POST:@"http://120.215.216.186:32812/upload" parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> _Nonnull formData) {
UIImage *image = [UIImage imageNamed:@"Snip20160227_128"];
NSData *imageData = UIImagePNGRepresentation(image);
//使用formData来拼接数据
/*
第一个参数:二进制数据 要上传的文件参数
第二个参数:服务器规定的
第三个参数:该文件上传到服务器以什么名称保存
*/
//[formData appendPartWithFileData:imageData name:@"file" fileName:@"xxxx.png" mimeType:@"image/png"];
//[formData appendPartWithFileURL:[NSURL fileURLWithPath:@"/Users/liuzhenjie/Desktop/Snip20160227_128.png"] name:@"file" fileName:@"123.png" mimeType:@"image/png" error:nil];
[formData appendPartWithFileURL:[NSURL fileURLWithPath:@"/Users/liuzhenjie/Desktop/Snip20160227_128.png"] name:@"file" error:nil];
} progress:^(NSProgress * _Nonnull uploadProgress) {
NSLog(@"%f",1.0 * uploadProgress.completedUnitCount/uploadProgress.totalUnitCount);
} success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
NSLog(@"上传成功---%@",responseObject);
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
NSLog(@"上传失败---%@",error);
}];
}
-(NSData *)getBodyData
{
NSMutableData *fileData = [NSMutableData data];
//5.1 文件参数
/*
--分隔符
Content-Disposition: form-data; name="file"; filename="Snip20160225_341.png"
Content-Type: image/png(MIMEType:大类型/小类型)
空行
文件参数
*/
[fileData appendData:[[NSString stringWithFormat:@"--%@",Kboundary] dataUsingEncoding:NSUTF8StringEncoding]];
[fileData appendData:KNewLine];
//name:file 服务器规定的参数
//filename:Snip20160225_341.png 文件保存到服务器上面的名称
//Content-Type:文件的类型
[fileData appendData:[@"Content-Disposition: form-data; name=\"file\"; filename=\"Sss.png\"" dataUsingEncoding:NSUTF8StringEncoding]];
[fileData appendData:KNewLine];
[fileData appendData:[@"Content-Type: image/png" dataUsingEncoding:NSUTF8StringEncoding]];
[fileData appendData:KNewLine];
[fileData appendData:KNewLine];
UIImage *image = [UIImage imageNamed:@"Snip20160227_128"];
//UIImage --->NSData
NSData *imageData = UIImagePNGRepresentation(image);
[fileData appendData:imageData];
[fileData appendData:KNewLine];
//5.2 非文件参数
/*
--分隔符
Content-Disposition: form-data; name="username"
空行
123456
*/
[fileData appendData:[[NSString stringWithFormat:@"--%@",Kboundary] dataUsingEncoding:NSUTF8StringEncoding]];
[fileData appendData:KNewLine];
[fileData appendData:[@"Content-Disposition: form-data; name=\"username\"" dataUsingEncoding:NSUTF8StringEncoding]];
[fileData appendData:KNewLine];
[fileData appendData:KNewLine];
[fileData appendData:[@"123456" dataUsingEncoding:NSUTF8StringEncoding]];
[fileData appendData:KNewLine];
//5.3 结尾标识
/*
--分隔符--
*/
[fileData appendData:[[NSString stringWithFormat:@"--%@--",Kboundary] dataUsingEncoding:NSUTF8StringEncoding]];
return fileData;
}
@end
