encoding 2

2021_07_01) ํ†ตํ•ฉ๊ฒ€์ƒ‰ ํ•œ๊ธ€ ๊นจ์งํ˜„์ƒ.

๋ฐฐํฌ ์ดํ›„ ํ•œ๊ธ€ ๊นจ์ง ํ˜„์ƒ. why? ๊ฐœ๋ฐœ ํ™˜๊ฒฝ์€ mac (๊ธฐ๋ณธ encoding์ด utf-8) ๊ทธ๋Ÿฌ๋‚˜ ์‹ค์ œ ๋ฐฐํฌ๋Š” window(euc-kr) Solution String text = getRequestApiGet(url); // return text return new String(text.getBytes(),"UTF-8"); ๊ธฐ์กด์˜ return text๋ฅผ utf-8๋กœ ํ•œ๋ฒˆ ๋ณ€ํ™˜ ์‹œํ‚ด. faile → ๊นจ์งํ˜„์ƒ์ด ์กฐ๊ธˆ ์ค„์–ด๋“ค๊ธด ํ–ˆ์ง€๋งŒ ์—ฌ์ „ํžˆ ๊นจ์ง. Solution 2 //BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream())); BufferedReader in = new BufferedReader( new Inpu..

Project2021 2021.07.01

[JAVA] (์•”ํ˜ธํ™”01) encode && encrypt

encrypt์™€ encodeencode๋ฐ์ดํ„ฐ ์ „์†ก ์‹œ ์‚ฌ์šฉ๋œ๋‹ค.๋‹ค์–‘ํ•œ ๋ฐ์ดํ„ฐ๋ฅผ ๋‹ค์–‘ํ•œ ํ˜•ํƒœ๋กœ์˜ค์ง ๋ฐ์ดํ„ฐ๋ฅผ ์ „๋‹ฌํ•˜๋ ค๋Š” ๋ชฉ์ ์„ ๊ฐ€์ง€๊ณ  ์žˆ๋‹ค. encryptencode์™€ ๊ฐ™์ด ๋ฐ์ดํ„ฐ ์ „์†ก ์‹œ ์‚ฌ์šฉ๋˜์ง€๋งŒ์ฃผ ๋ชฉ์ ์€ ๋ฐ์ดํ„ฐ๋ฅผ ๋ณดํ˜ธํ•˜๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉ. encoding ์˜ ๋ฐฉ๋ฒ• (์—ฌ๋Ÿฌ๊ฐ€์ง€๊ฐ€ ์กด์žฌ)Url encodingBase64-๋Œ€์†Œ๋ฌธ์ž(52 + ์ˆซ์ž) 1.URLEncoding์šฐ๋ฆฌ๊ฐ€ ์ž์ฃผ ์‚ฌ์šฉํ•˜๋Š” utf-8 ํƒ€์ž…์œผ๋กœ.(ํ•œ๊ธ€์€ ์˜๋ฌธ๊ณผ ๋‹ค๋ฅด๊ฒŒ ๋ฐ”์ดํŠธ ๊ณ„์‚ฐ๋ฒ•์ด ๋‹ค๋ฅด๋‹ค.๊ทธ๊ฑธ ์ง€์›ํ•˜๋Š”๊ฒŒ utf-8)encoding์€ ์–ธ์ œ๋ผ๋„ decoding์ด ๊ฐ€๋Šฅํ•˜๋‹ค. encode์˜ ๊ฒฝ์šฐ ๋ˆ„๊ตฐ๊ฐ€๊ฐ€ ๋ฐ์ดํ„ฐ๋ฅผ ์ธ์ง€ํ• ์ˆ˜ ์žˆ๊ฒŒ๋” ํ•˜๋Š”๊ฒƒ์ด ๋ชฉ์  2. Base64jdk 1.8 ์ด์ƒ์—์„œ๋งŒ ์ง€์›ํ•จ.๋ฒ„์ „์ด 1.8์ด๋‹ค. ์ด์ „ ๋ฒ„์ „์—์„œ๋Š” ๋‹ค๋ฅธ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๊ฐ€ ํ•„์š”ํ•˜๋‹ค.ํ˜„..

Languages/java 2021.04.13
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