NSURLConnectionDataDelegate
{
totleLength;
* filedata;
isDownload;
reciveTotle;
* filePath;
* _connection;
}
@end
ViewController
- () viewDidLoad {
viewDidLoad
//做任何额外的设置加载视图后,通常从笔尖。
NSUserDefaultsNSUserDefaults
=[[userDefaults:]];
=[[userDefaults:]];
(>) {
进步=/;
. .=进步;
. .=[ :,progress * ];
}
}
- ()btnClick:( *)sender {
isDownload
;
}
@"http://free2.macx.cn:8182/game/BombSquadX401.dmg"
NSMutableURLRequestNSMutableURLRequest
(> ) {
*value=https://www.yisu.com/zixun/[ :,()];
[request :value :];
}
connectionWithRequestdelegate
isDownload
NSStringabsoluteString
*strName=[str ];
NSHomeDirectorystringByAppendingFormat
defaultManagerfileExistsAtPath
defaultManagercreateFileAtPathcontentsattributes
}
}
- ()pauseAction:( *)sender {
_connection
_connection
appendFileData
NSUserDefaultsNSUserDefaults
[userDefaults : :];
[userDefaults : :];
[userDefaults ];
isDownload
}
#pragma mark-NSURLConnectionDataDelegate
- ()connection:( *)connection didReceiveResponse:( *)response{
=[[ ]];
NSDictionaryallHeaderFields
*number=[dic :];
=[number ];
}
- ()connection:( *)connection didReceiveData:( *)data{
[ :data];
+=data.;
progressViewreciveTotletotleLength
progressLabelprogressView
(.>=*){
appendFileData
。=,
}
}
- () appendFileData:数据(*)
{
(数据。==){
,
}
fileHandleForWritingAtPath
[文件];
[文件句柄:数据];
[文件];
}
- () connectionDidFinishLoading:(*)连接{
(。<*){
appendFileData
[:];
writeToFileatomically
}
progressLabel isDownload
}
