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#pragma mark - openLibrary
// 打开本地相册
- (void)openLocalPhoto
{
UIImagePickerController *picker = [[UIImagePickerController alloc] init];
picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
picker.delegate = self;
picker.allowsEditing = YES;
[self presentViewController:picker animated:YES completion:nil];
}
- (void) imagePickerController: (UIImagePickerController*) reader
didFinishPickingMediaWithInfo: (NSDictionary*) info
{
NSString *strType = [info objectForKey:UIImagePickerControllerMediaType];
if ([strType isEqualToString:@"public.image"]) //当选择的类型是图片
{
UIImage *image = [info objectForKey:@"UIImagePickerControllerEditedImage"]; //先把图片转成NSData
NSLog(@"image = %@", image);
[reader dismissViewControllerAnimated:YES completion:nil]; //关闭相册界面
//压缩图片
UIImage *scalImage = [self scaleFromImage:image];
NSString *strfileName = [self saveImage:scalImage];
if (self.num == 1) {
_one.image = scalImage;
} else if (self.num == 2) {
_two.image = scalImage;
} else if (self.num == 3){
_three.image = scalImage;
}
//保存到本地
}
}
#pragma mark - savaImage
// 保存图像
- (NSString *)saveImage:(UIImage*)image
{
NSData *data;
if (UIImagePNGRepresentation(image) == nil)
{
data = UIImageJPEGRepresentation(image, 1.0);
}
else
{
data = UIImagePNGRepresentation(image);
}
NSFileManager *fileManager = [NSFileManager defaultManager];
NSString *docPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)firstObject];
NSString *filePath = [docPath stringByAppendingPathComponent:@"oneImage.png"];
BOOL flag = nil;
BOOL rel = [fileManager fileExistsAtPath:filePath isDirectory:&flag];
if (rel) {
NSLog(@"存在");
BOOL flagO = nil;
NSString *filePathOne = [docPath stringByAppendingPathComponent:@"twoImage.png"];
BOOL res = [fileManager fileExistsAtPath:filePathOne isDirectory:&flagO];
if (res) {
NSLog(@"存在");
BOOL flags = nil;
NSString *filePatht = [docPath stringByAppendingPathComponent:@"threeImage.png"];
BOOL resu = [fileManager fileExistsAtPath:filePathOne isDirectory:&flags];
if (resu) {
NSLog(@"存在");
} else {
BOOL result = [data writeToFile:filePatht atomically:YES];
if (result) {
NSLog(@"写入成功");
self.num = 3;
[self.picArray addObject:filePatht];
}
}
} else {
BOOL result = [data writeToFile:filePathOne atomically:YES];
if (result) {
NSLog(@"写入成功");
[self.picArray addObject:filePathOne];
self.num = 2;
}
}
} else {
NSLog(@"不存在");
BOOL result = [data writeToFile:filePath atomically:YES];
[self.picArray addObject:filePath];
if (result) {
NSLog(@"写入成功");
self.num = 1;
}
}
return filePath;
}
#pragma mark - ASIHTTPRequestDelegate
- (void)ASIFormDataRequestSuceed:(ASIFormDataRequest *)request
{
}
- (void)ASIFormDataRequestFailed:(ASIFormDataRequest *)request
{
NSError *error = [request error];
NSLog(@"error:%@",error);
}
- (IBAction)pushPic:(id)sender {
strUrl = [strUrl stringByAppendingString:@"13061622013"];
NSURL *url = [NSURL URLWithString:strUrl];
ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:url];
[request setDelegate:self];
for (int i = 0; i < self.picArray.count; i++) {
[request addData:self.picArray[i] forKey:@"noteImg"];
}
[request addRequestHeader:@"Content-Type" value:@"application/json; encoding=utf-8"];
[request addRequestHeader:@"Accept" value:@"application/json"];
[request setRequestMethod:@"POST"];
[request setDidFailSelector:@selector(ASIFormDataRequestFailed:)];
[request setDidFinishSelector:@selector(ASIFormDataRequestSuceed:)];
[request startAsynchronous];
}
多张图片上传至服务器
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原文地址：http://www.cnblogs.com/tian-sun/p/4849775.html
