java ํ˜•๋ณ€ํ™˜ ์˜ค๋ฅ˜ 1
[JAVA] java.lang.Integer cannot be cast to java.lang.String ํ˜•๋ณ€ํ™˜ ์˜ค๋ฅ˜ ํ•ด๊ฒฐํ•˜๊ธฐ

mybatis์—์„œ resultType์ด HashMap์ด๊ณ , intํ˜•์ธ b_no์˜ ๊ฐ’์„ Stringํ˜•์œผ๋กœ ์‚ฌ์šฉํ•˜๊ธฐ ์œ„ํ•ด ๊ฐ•์ œ๋กœ ํ˜•๋ณ€ํ™˜์‹œ ๋ฐœ์ƒํ•˜๋Š” ์˜ค๋ฅ˜ String b_no = (String) info.get("b_no"); ์บ์ŠคํŒ… ํ˜•๋ณ€ํ™˜์ด์•„๋‹Œ String ํด๋ž˜์Šค์˜ valueOf(Object)๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์˜ค๋ฅ˜๋ฅผ ํ•ด๊ฒฐํ–ˆ๋‹ค. String b_no = String.valueOf(info.get("b_no"));
Spring 2021.10.29
1

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