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addFlashAttribute1

[Controller] method๊ฐ„์˜ data ์ „์†ก ํ•ด๋‹น ๊ฒŒ์‹œ๊ธ€์„ ํ†ตํ•ด view์˜ data๋ฅผ Controller๋กœ ์ „๋‹ฌ ๋ฐ›๋Š” ๋ฐฉ๋ฒ• ์™ธ์—, Controller์˜ ๋ฉ”์„œ๋“œ์—์„œ ๋ฉ”์„œ๋“œ๋กœ data๋ฅผ ์ „๋‹ฌ๋ฐ›๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•ด ์•Œ์•„๋ณผ ์ˆ˜ ์žˆ๋‹ค. ๋ชฉ์ฐจ๋Š” ์•„๋ž˜์™€ ๊ฐ™๋‹ค. 1. addAttribute 2. addFlashAttribute 3. ์ •๋ฆฌ 1. addAttribute addAttribute์— Object(String, int....)๋ฅผ ๋„ฃ์–ด์„œ ์ „๋‹ฌ์ด ๊ฐ€๋Šฅํ•˜๋‹ค. "aaa/bbb/ccc.do?message=๋ฉ”์„ธ์ง€" ์™€ ๊ฐ™์ด ๋ฐ์ดํ„ฐ๊ฐ€ URL์— ๋…ธ์ถœ๋œ๋‹ค. ํœ˜๋ฐœ์„ฑ์ด๋ผ ์žฌ์‚ฌ์šฉ์ด ๋ถˆ๊ฐ€ํ•˜๋‹ค๋Š” ํŠน์ง•์ด ์žˆ๋‹ค. ๋ฐ์ดํ„ฐ ๋‚ด์šฉ์ด ๊ฐ„๊ฒฐํ•˜๊ฑฐ๋‚˜ ๋…ธ์ถœ์— ํฐ ํƒ€๊ฒฉ์ด ์—†์œผ๋ฉฐ, ์žฌ์‚ฌ์šฉ ๋ชฉ์ ์ด ์—†๋Š” ๊ฒฝ์šฐ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์„ ์ถ”์ฒœํ•œ๋‹ค. // Data๋ฅผ ๋ณด๋‚ด๋Š” method @RequestMapping(valus=".. 2022. 9. 29.
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