CoreData 2

[Swift] CoreData ํ™œ์šฉํ•ด๋ณด๊ธฐ (Subclass ์ƒ์„ฑ๋ฒ•, Double ํƒ€์ž… ์„ ์–ธ ์•ˆ๋˜๋Š” ์ด์œ )

CoreData๋ฅผ ํ™œ์šฉํ•ด์„œ ์ž‘์€ ํ”„๋กœ์ ํŠธ๋ฅผ ํ•˜๋‚˜ ๋งŒ๋“ค์–ด์„œ ์—ฐ์Šตํ•ด๋ณผ๊นŒํ•ฉ๋‹ˆ๋‹ค! ์ด๋ฆ„, ์„ฑ๋ณ„, ๋‚˜์ด๋ฅผ ์ž…๋ ฅํ•œ ํ›„์ €์žฅ ๋ฒ„ํŠผ์„ ๋ˆ„๋ฅด๋ฉด, CoreData์— ์ €์žฅ๋˜๊ณ ์ „์ฒด์‚ญ์ œ๋ฅผ ๋ˆ„๋ฅด๋ฉด ๋ชจ๋“  ๋ฐ์ดํ„ฐ๋ฅผ ์ดˆ๊ธฐํ™”ํ•ฉ๋‹ˆ๋‹ค.โ‘  ํ”„๋กœ์ ํŠธ ์ƒ์„ฑ์šฐ์„  ํ”„๋กœ์ ํŠธ๋ฅผ ํ•˜๋‚˜ ์ƒ์„ฑํ•ฉ๋‹ˆ๋‹ค.๊ทธ๋ฆฌ๊ณ  ํ•˜๋‹จ์— CoreData๋ฅผ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค.๊ทธ๋Ÿฌ๋ฉด ์œ„์™€ ๊ฐ™์ด xcdatamodeld ํŒŒ์ผ์ด ์ž๋™ ์ƒ์„ฑ๋ฉ๋‹ˆ๋‹ค.๋งŒ์•ฝ์— ํ”„๋กœ์ ํŠธ๋ฅผ ์ง„ํ–‰์ค‘์— CoreData๋ฅผ ์ถ”๊ฐ€ํ•ด์•ผํ•œ๋‹ค๋ฉด?๋”๋ณด๊ธฐCommand + N ์œผ๋กœ ๋ฐ์ดํ„ฐ ๋ชจ๋ธ ํŒŒ์ผ์„ ์ถ”๊ฐ€ํ•˜๋ฉด ๋ฉ๋‹ˆ๋‹ค.โ‘ก Entity, Attributes, Relationships ์„ค์ •์ด์ œ ํ•˜๋‹จ Add Entity๋ฅผ ํด๋ฆญํ•ด์„œ Entity๋ฅผ ์ถ”๊ฐ€ํ•ฉ๋‹ˆ๋‹ค.์—ฌ๊ธฐ์„œ Entity์ด๋ฆ„์€ ์ค‘์š”ํ•˜๋‹ˆ๊นŒ ์ž˜ ๊ธฐ์–ตํ•˜๊ธฐ!(์ €๋Š” Testํ”„๋กœ์ ํŠธ๋ผ ์ œ ์ด๋ฆ„ Yegr๋ผ๊ณ  ์ง€์—ˆ..

Swift/Xcode 2024.12.12

[Swift] CoreData - ๊ณต์‹๋ฌธ์„œ ํŒŒํ—ค์น˜๊ธฐ

์˜ค๋Š˜ ์ •๋ฆฌํ•  ์ฃผ์ œ๋Š” Swift CoreData!!๊ทธ๋™์•ˆ ๋ฐ์ดํ„ฐ๋ฅผ ์ €์žฅํ•˜๊ธฐ ์œ„ํ•ด์„œ UserDefaults์™€ Realm์„ ์‚ฌ์šฉํ•ด์™”๋Š”๋ฐ,์•Œ๋˜ ์ง€์‹์„ ๋ฐ”ํƒ•์œผ๋กœ ๋น ๋ฅด๊ฒŒ ๊ฐœ๋ฐœ์„ ํ•˜๊ธฐ ์œ„ํ•ด์„œ CoreData๋ฅผ ์จ๋ณผ ๊ธฐํšŒ๊ฐ€ ์—†์—ˆ์Šต๋‹ˆ๋‹ค..๋ฐ”์œ ๊ณผ์ •๋„ ๋๋‚ฌ๊ณ ! ์ด์ œ๋Š” ๋ถ€์กฑํ•œ ๊ฐœ๋ฐœ ์ง€์‹์„ ์ฑ„์šธ ์‹œ๊ฐ„์ธ ๊ฒƒ ๊ฐ™์•„์„œ๊ณต๋ถ€ํ•  ๊ฒธ ๋ธ”๋กœ๊ทธ์— ์ •๋ฆฌํ•ด๋ณด๋ ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค๐Ÿ˜€์ฒ˜์Œ ๊ณต๋ถ€ํ•˜๋Š” ๋‚ด์šฉ์ด๋ผ ๊ณต์‹๋ฌธ์„œ ๋จผ์ € ์‚ดํŽด๋ณผ๊ฒŒ์š”. Core Data | Apple Developer DocumentationPersist or cache data on a single device, or sync data to multiple devices with CloudKit.developer.apple.com๋ถ€์กฑํ•œ ์˜์–ด์‹ค๋ ฅ์ด์ง€๋งŒ, ์ฐจ๊ทผ์ฐจ๊ทผ ํ•ด์„ํ•ด๋ณผ๊ฒŒ์š”. ํ‘ธํ•˜ํ•˜..(๋ฒˆ์—ญ์ด..

Swift 2024.12.01