- (IBAction
)fetchThreeImages:(id
)sender
{
//清空三个
imageview
[imageView1 setImage
:nil
];
[imageView2 setImage
:nil
];
[imageView3 setImage
:nil
];
//初始化一个网
络连接对象
if
(!networkQueue) {
networkQueue = [[ASINetworkQueue alloc
] init
];
}
failed = NO
;
[networkQueue reset
];//
重
设网络连接对象，如果代理灯一些设置
[networkQueue setDownloadProgressDelegate: test];//
设置下载进度条的代理
[networkQueue setRequestDidFinishSelector: @selector
(imageFetchComplete:)];//
设置下载完成后，所调用的方法
[networkQueue setRequestDidFailSelector: @selector
(imageFetchFailed:)];//
设置下载失败调用的方法
[networkQueue setShowAccurateProgress: YES
];//
是否
显示详细的进度，就是是否有一个连续的进入显示
[networkQueue setDelegate
:self
];//
设置网络连接对象的代理
ASIHTTPRequest *request;
//
设置下载的地址
request = [ASIHTTPRequest
requestWithURL
:[
NSURL
URLWithString
:
@"http://allseeing-i.com/ASIHTTPRequest/tests/images/small-image.jpg"]];
//
设置下载的文件的保持路径
[request setDownloadDestinationPath:[[
NSHomeDirectory()
stringByAppendingPathComponent:
@"Documents"
]
stringByAppendingPathComponent:
@”1.png”
]];
//
设置用于下载显示的进入的进度条
[request setDownloadProgressDelegate: imageProgressIndicator1];
[request setUserInfo:[NSDictionary
dictionaryWithObject
:@"request1"
forKey
:@"name"
]];
//添加
这个下载
[networkQueue addOperation
:request];
//
同上
request = [[[ASIHTTPRequest
alloc
]
initWithURL
:[
NSURL
URLWithString
:
@"http://allseeing-i.com/ASIHTTPRequest/tests/images/medium-image.jpg"]]
autorelease
];
[request setDownloadDestinationPath:[[
NSHomeDirectory()
stringByAppendingPathComponent:
@"Documents"
]
stringByAppendingPathComponent:
@”2.png”
]];
[request setDownloadProgressDelegate:imageProgressIndicator2];
[request setUserInfo:[NSDictionary
dictionaryWithObject
:@"request2"
forKey
:@"name"
]];
[networkQueue addOperation
:request];
//
同上
request = [[[ASIHTTPRequest
alloc
]
initWithURL
:[
NSURL
URLWithString
:
@"http://allseeing-i.com/ASIHTTPRequest/tests/images/large-image.jpg"]]
autorelease
];
[request setDownloadDestinationPath:[[
NSHomeDirectory()
stringByAppendingPathComponent:
@"Documents"
]
stringByAppendingPathComponent:
@”3.png”
]];
[request setDownloadProgressDelegate:imageProgressIndicator3];
[request setUserInfo:[NSDictionary
dictionaryWithObject
:@"request3"
forKey
:@"name"
]];
[networkQueue addOperation
:request];
//开始下
载
[networkQueue go];
}