//上傳用post請求文件較大
//上傳文件
- (void)upload {
//設(shè)置路徑
NSURL*url = [NSURL URLWithString:@"http://localhost:8080/UpLoad/NewServlet"];
//請求對象
NSMutableURLRequest *postRequest = [NSMutableURLRequestrequestWithURL:url];
//請求方式
[postRequest setHTTPMethod:@"POST"];
//上傳數(shù)據(jù)要用表單提交數(shù)據(jù)multipart/form-data:新的編碼格式,可以提高數(shù)據(jù)長傳的效率
[postRequest addValue:@"multipart/form-data" forHTTPHeaderField:@"Content-type"];
//上傳工程文件
//NSString *filePath = [[NSBundle mainBundle] pathForResource:@"8" ofType:@"jpg"];
//上傳本地文件
NSString *filePath = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents/yinyue.mp3"];
NSLog(@"---->%@",filePath);
if(![[NSFileManager defaultManager] fileExistsAtPath:filePath]) {
return;
}
//轉(zhuǎn)化為二進制流
NSData *data = [NSData dataWithContentsOfFile:filePath];
[postRequest setHTTPBody:data];
[NSURLConnection sendAsynchronousRequest:postRequest queue:[[NSOperationQueue alloc] init] completionHandler:^(NSURLResponse *_Nullableresponse,NSData *_Nullabledata,NSErro r*_NullableconnectionError) {
NSLog(@"---data ---%@",data);
NSLog(@"----->%@",[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]);
[self.imageView performSelectorOnMainThread:@selector(setImage:) withObject:[UIImage imageWithContentsOfFile:filePath] waitUntilDone:NO];
}];
}
//UIImagePickerController上傳圖片
- (void)uploadAlbum {
//UIImagePickerController系統(tǒng)獲取圖片和視屏的接口
UIImagePickerController *picker = [[UIImagePickerController alloc] init];
//設(shè)置數(shù)據(jù)來源(三種:圖庫相冊相機)
picker.sourceType=UIImagePickerControllerSourceTypeSavedPhotosAlbum;
//判斷獲取本機的數(shù)據(jù)來源
if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypePhotoLibrary]) {
NSLog(@"圖庫可用");
}
if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
NSLog(@"相機可用");
}
if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeSavedPhotosAlbum]) {
NSLog(@"相冊可用");
}
//設(shè)置允許編輯開可以在代理方法中對圖片進行編輯
picker.allowsEditing=YES;
//連個代理協(xié)議
picker.delegate = self;
//模態(tài)顯示
[self presentViewController:picker animated:YES completion:nil];
}
#pragma mark -- UIImagePickerControllerDelegate,UINavigationControllerDelegate
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {//選照片時調(diào)用
//別名didFinishPickingMediaWithInfo
if(picker.allowsEditing) {
//UIImagePickerControllerEditedImage
//UIImagePickerControllerOriginalImage
//編輯圖片裁剪后的圖片
self.imageView.image= [info objectForKey:UIImagePickerControllerEditedImage];
}else{
//選擇原始
self.imageView.image= [info objectForKey:UIImagePickerControllerOriginalImage];
}
//路徑
NSURL*url = [NSURL URLWithString:@"http://localhost:8080/UpLoad/NewServlet"];
//對象
NSMutableURLRequest *postRequest = [NSMutableURLRequest requestWithURL:url];
//方式
[postRequestset HTTPMethod:@"POST"];
//上傳數(shù)據(jù)要用表單提交數(shù)據(jù)multipart/form-data:新的編碼格式,可以提高數(shù)據(jù)長傳的效率
[postRequest addValue:@"multipart/form-data" forHTTPHeaderField:@"Content-type"];
//壓縮圖片的圖片的方法
//壓縮性能較差較大
NSData *data =UIImagePNGRepresentation(self.imageView.image);
//壓縮系數(shù)1 2可調(diào),較小
NSData *data1 =UIImageJPEGRepresentation(self.imageView.image, 2);
#pragma unused (data1)
//設(shè)置對象請求體
[postRequest setHTTPBody:data];
//發(fā)送請求
[NSURLConnection sendAsynchronousRequest:postRequest queue:[[NSOperationQueue alloc] init] completionHandler:^(NSURLResponse *_Nullableresponse,NSData *_Nullabledata,NSError *_NullableconnectionError) {
NSLog(@"----->%@",[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]);
}];
[self dismissViewControllerAnimated:YES completion:nil];
}
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker {
//cancel按鈕時調(diào)用
[self dismissViewControllerAnimated:YES completion:nil];
}
