iOS 多张图片上传demo(用ASIHTTPRequest 框架实现) 分类:
iOS 2014-01-11 16:43 1413人阅读 (1)
异步图片ios数据uiimageiOS用ASIFormDataRequest实现图片上传方法一:表单提交
[cpp]
view plaincopyNSString *fileName = [[NSBundle mainBundle] pathForResource:@"color_blue" ofType:@"png"];
ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL: [NSURL URLWithString: url]];
//[request setPostValue:@"photo" forKey:@"type"];
[request setFile:fileName forKey:@"image"];
// [request buildRequestHeaders];
// [request buildPostBody];
[request setDelegate:delegate];
[request setTimeOutSeconds:TIME_OUT_SECONDS];
[request startAsynchronous];
方法二:POST:
[cpp]
view plaincopy/*
ios中获取图片的方法有两种,一种是UIImageJPEGRepresentation ,一种是UIImagePNGRepresentation
前者获取到图片的数据量要比后者的小很多。。
*/
UIImage *im = [UIImage imageNamed:@"color_blue"];//通过path图片路径获取图片
NSData *data = UIImagePNGRepresentation(im);//获取图片数据
NSMutableData *imageData = [NSMutableData dataWithData:data];//ASIFormDataRequest 的setPostBody 方法需求的为NSMutableData类型
ASIFormDataRequest *aRequest = [[ASIFormDataRequest alloc] initWithURL:[NSURL URLWithString:url]];
[aRequest setDelegate:delegate];//代理
[aRequest setRequestMethod:@"POST"];
[aRequest setPostBody:imageData];
[aRequest addRequestHeader:@"Content-Type" value:@"image/png"];//这里的value值 需与服务器端 一致
[aRequest startAsynchronous];//开始。异步
[aRequest setDidFinishSelector:@selector(headPortraitSuccess)];//当成功后会自动触发 headPortraitSuccess 方法
[aRequest setDidFailSelector:@selector(headPortraitFail)];//如果失败会 自动触发 headPortraitFail 方法
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