上課筆記1ui課程18課件

1.通過Finder~/Library/Application 緩存文件，程 的支持文 所有程序的app包) Mask,BOOLexpandTilde);獲取沙 路徑的方NSHomeDirectory——————-> 每個(gè)應(yīng)用程序文件夾內(nèi)的app文件是什么每個(gè)應(yīng)用程序文件夾內(nèi)的app文件路徑如何獲取獲取應(yīng)用程序app文件夾內(nèi)的文件路徑 NSArray List Directory,NSUser NSString* Path= List.lastObject;//構(gòu)造字符串文件 路NSString*strPath= Path//NSString*foo_str=@“thisisa NSString*arrayPath=[ PathstringByAppendingString:@“/NSArray*foo_array= NSString*dicPath= PathNSDictionary*foo_dic= [foo_dicwriteToFile:dicPath NSString*dataPath=[ PathstringByAppendingString:@“/ 在Foundation在Foundation將復(fù)雜對象轉(zhuǎn)換為NSDataNSData轉(zhuǎn)換為復(fù)雜對象，通將復(fù)雜對象轉(zhuǎn)換為NSDataNSData轉(zhuǎn)換為復(fù)雜對象，通(void)encodeWithCoder:(NSCoder(id)initWithCoder:(NSCoder*)aDecoder; :使復(fù)雜對象實(shí)現(xiàn)NSCoding// 對象進(jìn)行歸檔時(shí)，此方法執(zhí)行// 中想要進(jìn)行歸檔的所有屬性，進(jìn)行編碼操-(void)encodeWithCoder:(NSCoder{[aCoderencodeObject:forKey:@"name"];[aCoderencodeObject:self.genderforKey:@"gender"];[aCoderencodeInteger:self.ageforKey:@"age"];}// 對象進(jìn)行反歸檔時(shí)，該方法執(zhí)//創(chuàng)建一個(gè)新 對象，所有屬性都是通 得到-(id)initWithCoder:(NSCoder{self=[superinit];if(self){=[aDecoderdecodeObjectForKey:@"name"];self.gender=[aDecoderdecodeObjectForKey:@"gender"];self.age=[aDecoderdecodeIntegerForKey:@"age"];}return}//對復(fù)雜對 進(jìn)行歸 =>*p=[[ alloc]init];=@"某個(gè) p.gender@"女";p.age=26;NSMutableData*data=[NSMutableDataNSKeyedArchiver*archiver=[[NSKeyedArchiveralloc] [archiver NSString* Path=[NSSearchPathForDirectoriesIn Mask,YES)lastObject];NSString*filePath=[ Pathstring [datawriteToFile:filePathatomically:YES];//根據(jù)文件路徑 NSString* Path=[NSSearchPathForDirectoriesIn Mask,YES)lastObject];NSString*filePath=[ Pathstring NSData*data=[NSDatadataWithContentsOfFile:filePath];//將NSData通過反歸檔，轉(zhuǎn)化 對NSKeyedUnarchiver*unarchiver=[[NSKeyedUnarchiveralloc]//*p=[unarchiverdecodeObjectForKey:@" [unarchiverfinis