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2019.05.29 / 24:29

[ÆĽÌ] 4. APIÅ° ¹ß±Þ ¹× JSONÀ» ÀÌ¿ëÇÑ À¥ ÆĽÌ

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¸ÕÀú ÇؾßÇÒ °ÍÀº APIÅ°¸¦ ¹ß±Þ¹Þ´Â °ÍÀÌ´Ù. APIÅ°¶õ »çÀÌÆ®¿¡¼­ JSONµî µ¥ÀÌÅ͸¦ Á¦°øÇÒ¶§ À̸¦ ¹Þ±â À§ÇØ ÇÊ¿äÇÑ ÀÎÁõÅ°ÀÌ´Ù.

´ÙÀ½¿¡¼­ APIÅ°¸¦ ¹ß±Þ¹Þ¾Æ ÆĽÌÀ» Çغ¸µµ·Ï ÇÏÀÚ

¿ì¼± ´ÙÀ½ °³¹ßÀÚ¼¾ÅÍ¿¡ Á¢¼ÓÇÏ¿© APIÅ° ¹ß±Þ ½ÅûÀ» Çϵµ·Ï ÇÑ´Ù.
 https://developers.daum.net/console

·Î±×ÀÎÀ» ÇÑ µÚ ÁÂÃø »ó´Ü¿¡ ¾Û ¸¸µé±â ¹öÆ°À» ´©¸£°í À̸§À» Á¤ÇØÁØ´Ù.

ÀÌÈÄ 1~4¹ø ¼ø¼­´ë·Î ÁøÇàÇϸé APIÅ°°¡ ¹ß±ÞµÈ´Ù.

¹ß±ÞµÈ APIÅ°´Â Àß º¸°üÇϵµ·Ï ÇÑ´Ù.


¿©±â±îÁö ÇßÀ¸¸é ´ÙÀ½ APIÅ° ¹ß±ÞÀÌ ¸ðµÎ ¿Ï·áµÈ °ÍÀÌ´Ù.

ÀÌÁ¦ ¹ß±Þ¹ÞÀº Å°·Î ¾î¶² µ¥ÀÌÅ͸¦ ÆĽÌÇÒ ¼ö Àִ°¡ ¸ñ·ÏÀ» »ìÆ캸¸é ´Ù¾çÇÑ ¼­ºñ½ºµéÀÌ Á¦°øµÇ´Â °ÍÀ» È®ÀÎÇÒ ¼ö ÀÖ´Ù.

¿©±â¼­ ¿ì¸®´Â Ã¥ °Ë»ö ¼­ºñ½º¸¦ °¡Áö°í ¿¬½ÀÇغ¸µµ·Ï ÇÏ°Ú´Ù.
https://developers.daum.net/services/apis/search/book


¼³¸íÀ» »ìÆ캸¸é ¾Æ·¡¿Í °°´Ù. ÆäÀÌÁö¸¦ ÀüºÎ ã¾Æº¸¸é ÆÄ½Ì ½Ã ¸®ÅÏ Å¸ÀÔÀ̶ó´øÁö, °Ë»ö¾î È®Àå ¹æ½ÄÀ̶ó´øÁö »ó´çÈ÷ ÀÚ¼¼ÇÏ°Ô Àß ³ª¿ÍÀÖ´Ù.

¿ì¸®°¡ ÇÊ¿äÇÑ ºÎºÐÀº ÀÌ ºÎºÐÀÌ´Ù.

https://apis.daum.net/search/book?apikey={apikey}&q=´ÙÀ½Ä«Ä«¿À&output=json

¿©±âÀÇ {apikey}ºÎºÐÀ» Åë°·Î Áö¿ì°í ¾Æ±î ¹ß±Þ¹Þ¾Ò´ø º»ÀÎÀÇ APIÅ°¸¦ ºÙ¿©³Ö±â ÇÏ¸é µÈ´Ù. ±×¸®°í q=´ÙÀ½ÀÇ ³»¿ëÀº °Ë»ö¾î ºÎºÐÀ̶ó´Â °ÍÀ» ±â¾ïÇØ ³õÀÚ.

ÀÌÁ¦ ¿©Å±îÁö ¹è¿ü´ø À¥ ¿¬°á ¹æ¹ý°ú JSONÆÄ½Ì ¹æ¹ýÀ» ÀÌ¿ëÇØ JAVA¶ó°í °Ë»öÇÑ °á°úÀÇ Å¸ÀÌƲ, ÀúÀÚ, °¡°ÝÀ» Ãâ·ÂÇغ¸ÀÚ.

import java.io.BufferedReader; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import org.json.simple.JSONObject; import org.json.simple.JSONArray; import org.json.simple.parser.JSONParser; class WebConnection{ String json; WebConnection() throws Exception{ String address = "https://apis.daum.net/search/book?apikey=º»ÀÎÀÇAPIÅ°&q=java&output=json"; BufferedReader br; URL url; HttpURLConnection conn; String protocol = "GET"; url = new URL(address); conn = (HttpURLConnection)url.openConnection(); conn.setRequestMethod(protocol); br = new BufferedReader(new InputStreamReader(conn.getInputStream())); json = br.readLine(); //Å×½ºÆ®Ãâ·Â //System.out.println(json); } } public class Main { public static void main(String[] args) throws Exception { new WebConnection(); } }

¿ª½Ã Àú¹ø°ú ¸¶Âù°¡Áö·Î »ý¼ºÀÚ¸¦ ÀÌ¿ëÇØ À¥°ú ¿¬°áÀ» ÇØ ÁÖ¾ú´Ù. ´Ù¸¸ address¿¡ ¾Æ±îº¸¾Ò´ø JSON ÁÖ¼Ò¿¡ ÀÚ½ÅÀÇ APIÅ°¸¦ ÀÔ·ÂÇØÁÖ°í, q=´ÙÀ½¿¡ java¸¦ ³Ö¾îÁÖ¾î¾ß º»ÀÎÀÇ APIÅ°·Î java¶ó´Â °Ë»ö °á°ú¸¦ JSONÇüÅ·Π¹Þ°Ú´Ù´Â ÁÖ¼Ò¸¦ ¸¸µé ¼ö ÀÖ´Ù.

Å×½ºÆ® Ãâ·Â °á°ú´Â ¾Æ·¡¿Í °°´Ù.

{"channel":{"result":"10","title":"Search Daum Open API","totalCount":"13729","description":"Daum Open API search result","item":[{"author_t":"³²±Ã¼º","sale_price":"27000","cover_s_url":"http://t1.daumcdn.net/thumb/R72x100/?fname=http%3A%2F%2Ft1.daumcdn.net%2Fbook%2FKOR9788994492032%3Fmoddttm=20160825060444","sale_yn":"Y","pub_date":"20160127","link":"http://book.daum.net/detail/book.do?bookid=KOR9788994492032","barcode":"KOR9788994492032","etc_author":"","status_des":"Á¤»óÆǸÅ","author":"³²±Ã¼º","title":"<b>Java</b>ÀÇ Á¤¼®","category":"ÄÄÇ»ÅÍ/IT ","translator":"","pub_nm":"µµ¿ìÃâÆÇ","description":"ÀÚ¹ÙÀÇ ±âÃʺÎÅÍ ½ÇÀüÈ°¿ë±îÁö ¸ðµÎ ´ã´Ù! ÀÚ¹ÙÀÇ ±âÃʺÎÅÍ °´Á¦ÁöÇâ°³³äÀ» ³Ñ¾î ½ÇÀüÈ°¿ë±îÁö ¼ö·ÏÇÑ¡ºJavaÀÇ Á¤¼®¡». ÀúÀÚÀÇ ¿À·£ ½Ç¹«°æÇè°ú °­ÀÇÇÑ ³»¿ëÀ¸·Î ±¸¼ºµÇ¾î ÀÚ¹Ù¸¦ óÀ½...","isbn":"8994492038","ebook_barcode":"","isbn13":"9788994492032","cover_l_url":"https://t1.search.daumcdn.net/thumb/R110x160/?fname=http%3A%2F%2Ft1.daumcdn.net%2Fbook%2FKOR9788994492032%3Fmoddttm=20160825060444","list_price":"30000"},{"author_t":"½Å¿ë±Ç","sale_price":"27000","cover_s_url":"http://t1.daumcdn.net/thumb/R72x100/?fname=http%3A%2F%2Ft1.daumcdn.net%2Fbook%2FKOR9788968481475%3Fmoddttm=20160826060247","sale_yn":"Y","pub_date":"20150105","link":"http://book.daum.net/detail/book.do?bookid=KOR9788968481475","barcode":"KOR9788968481475","etc_author":"","status_des":"Á¤»óÆǸÅ","author":"½Å¿ë±Ç","title":"ÀÌ°ÍÀÌ <b>ÀÚ¹Ù</b>´Ù","category":"ÄÄÇ»ÅÍ/IT ","translator":"","pub_nm":"ÇѺû¹Ìµð¾î","description":"¡ºÀÌ°ÍÀÌ Àڹٴ١»Àº 15³â ÀÌ»ó ÀÚ¹Ù ¾ð¾î¸¦ ±³À°ÇØ¿Â ÀÚ¹Ù Àü¹®°­»çÀÇ ³ëÇϿ츦 ¾Æ³¦ ¾øÀÌ ´ã¾Æ³½ ÀÚ¹Ù ÀÔ¹®¼­ÀÌ´Ù. ÀÚ¹Ù ÀÔ¹®ÀÚ¸¦ ¹è·ÁÇÑ Ä£ÀýÇÑ ¼³¸í°ú ¹è·Á·Î 1Àå¿¡ Ç®Àοø ¼³Ä¡...","isbn":"8968481474","ebook_barcode":"","isbn13":"9788968481475","cover_l_url":"https://t1.search.daumcdn.net/thumb/R110x160/?fname=http%3A%2F%2Ft1.daumcdn.net%2Fbook%2FKOR9788968481475%3Fmoddttm=20160826060247","list_price":"30000"},{"author_t":"µ¥À̺ñµå Ç÷¡³Ê°Ç","sale_price":"48600","cover_s_url":"http://t1.daumcdn.net/thumb/R72x100/?fname=http%3A%2F%2Ft1.daumcdn.net%2Fbook%2FKOR9788966261796%3Fmoddttm=20160825060444","sale_yn":"Y","pub_date":"20160314","link":"http://book.daum.net/detail/book.do?bookid=KOR9788966261796","barcode":"KOR9788966261796","etc_author":"±¸°æÅà ¹Ú°æ¿í","status_des":"Á¤»óÆǸÅ","author":"µ¥À̺ñµå Ç÷¡³Ê°Ç","title":"<b>ÀÚ¹Ù</b>½ºÅ©¸³Æ® ¿Ïº® °¡À̵å","category":"ÄÄÇ»ÅÍ/IT ","translator":"±¸°æÅÃ","pub_nm":"ÀλçÀÌÆ®","description":"°³¹ßÀÚ¸¦ À§ÇØ ¼¼½ÉÇÏ°Ô ±¸¼ºµÈ ÀÚ¹Ù½ºÅ©¸³Æ®! ¡ºÀÚ¹Ù½ºÅ©¸³Æ® ¿Ïº® °¡À̵塻´Â HTML5·Î ÃË¹ßµÈ ÀÚ¹Ù½ºÅ©¸³Æ® °ü·Ã Ç¥Áؾȵé°ú °ü·Ã APIµéÀ» ´ë°Å Æ÷ÇÔÇÑ ÀÚ¹Ù½ºÅ©¸³Æ® °¡À̵åºÏÀÌ´Ù...","isbn":"8966261795","ebook_barcode":"","isbn13":"9788966261796","cover_l_url":"https://t1.search.daumcdn.net/thumb/R110x160/?fname=http%3A%2F%2Ft1.daumcdn.net%2Fbook%2FKOR9788966261796%3Fmoddttm=20160825060444","list_price":"54000"},{"author_t":"±èÃá°æ","sale_price":"28800","cover_s_url":"http://t1.daumcdn.net/thumb/R72x100/?fname=http%3A%2F%2Ft1.daumcdn.net%2Fbook%2FKOR9791158390143%3Fmoddttm=20160826060247","sale_yn":"Y","pub_date":"20151016","link":"http://book.daum.net/detail/book.do?bookid=KOR9791158390143","barcode":"KOR9791158390143","etc_author":"","status_des":"Á¤»óÆǸÅ","author":"±èÃá°æ","title":"<b>ÀÚ¹Ù</b>½ºÅ©¸³Æ®+jQuery ¿ÏÀüÁ¤º¹ ½ºÅ͵ð 3 - Áß±Þ/°í±Þ...","category":"ÄÄÇ»ÅÍ/IT ","translator":"","pub_nm":"À§Å°ºÏ½º","description":"ÀÌÁ¦ ¸· ½ÃÀÛÇÏ´Â ÃʱÞÀÚ¸¦ À§ÇÑ ÃÊ±Þ ´Ü°è¿Í ÀÏ¹Ý ½Ç¹«ÀÚÀÇ ½Ç·Â Çâ»óÀ» À§ÇÑ Áß±Þ/°í±Þ/½Ç¹« ´Ü°è·Î ±¸¼ºµÅ ÀÖÀ¸¸ç °³ÀÎÀÇ ½Ç·Â°ú ¸ñÀû¿¡ ¸Â°Ô ¼±ÅÃÇؼ­ ½ºÅ͵𸦠ÁøÇàÇÒ ¼ö ÀÖµµ·Ï...","isbn":"1158390149","ebook_barcode":"","isbn13":"9791158390143","cover_l_url":"https://t1.search.daumcdn.net/thumb/R110x160/?fname=http%3A%2F%2Ft1.daumcdn.net%2Fbook%2FKOR9791158390143%3Fmoddttm=20160826060247","list_price":"32000"},{"author_t":"±èÃá°æ","sale_price":"21600","cover_s_url":"http://t1.daumcdn.net/thumb/R72x100/?fname=http%3A%2F%2Ft1.daumcdn.net%2Fbook%2FKOR9791158390136%3Fmoddttm=20160825060444","sale_yn":"Y","pub_date":"20151016","link":"http://book.daum.net/detail/book.do?bookid=KOR9791158390136","barcode":"KOR9791158390136","etc_author":"","status_des":"Á¤»óÆǸÅ","author":"±èÃá°æ","title":"<b>ÀÚ¹Ù</b>½ºÅ©¸³Æ®+jQuery ¿ÏÀüÁ¤º¹ ½ºÅ͵ð. 2: jQueryÆí","category":"ÄÄÇ»ÅÍ/IT ","translator":"","pub_nm":"À§Å°ºÏ½º","description":"¡ºÀÚ¹Ù½ºÅ©¸³Æ®+jQuery ¿ÏÀüÁ¤º¹ ½ºÅ͵ð. 2: jQueryÆí¡»¿¡¼­´Â À¥ÇÁ·Î±×·¡¹Ö Ãʺ¸ÀÚ¿Í °³¹ß ½Ç¹«ÀÚ¶ó¸é ¹Ýµå½Ã ¾Ë¾Æ¾ß ÇÒ jQuery ±âÃÊ ¹®¹ý°ú ³ëµå, ½ºÅ¸ÀÏ, ¼Ó¼º, À̺¥Æ®, È¿°ú µî...","isbn":"1158390130","ebook_barcode":"","isbn13":"9791158390136","cover_l_url":"https://t1.search.daumcdn.net/thumb%2Fbook%2FKOR9788996094029%3Fmoddttm=20160825060444","list_price":"28000"},{"author_t":"ÀÓµ¿Çõ","sale_price":"22500","cover_s_url":"http://t1.daumcdn.net/thumb/R72x100/?fname=http%3A%2F%2Ft1.daumcdn.net%2Fbook%2FBOK00010566405IN%3Fmoddttm=20150529083918","sale_yn":"N","pub_date":"20100625","link":"http://book.daum.net/category/series.do?seriesID=BG52017017","barcode":"BG52017017","etc_author":"","status_des":"","author":"ÀÓµ¿Çõ","title":"½Ç¹«ÀÚ¸¦ À§ÇÑ IT Àü¹®¼­ IT HOLIC","category":"ÄÄÇ»ÅÍ/IT ","translator":"","pub_nm":"ºÏ½ºÈ¦¸¯","description":"","isbn":"8994393048","ebook_barcode":"","isbn13":"9788994393049","cover_l_url":"https://t1.search.daumcdn.net/thumb/R110x160/?fname=http%3A%2F%2Ft1.daumcdn.net%2Fbook%2FBOK00010566405IN%3Fmoddttm=20150529083918","list_price":"25000"}],"lastBuildDate":"Mon, 29 Aug 2016 11:15:54 +0900","link":"http://dna.daum.net/apis","generator":"Daum Open API"}}

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Çü½ÄÀº µ¿ÀÏÇÏ´Ù

¿¹Á¦ »çÁøÀ» º¸¸é channelÀ̶ó´Â °¡Àå ¹Ù±ù°í¸® ¾È¿¡ result, totalCountµîÀÌ ÀÖ°í, JSONArrayÇüÅÂÀÇ itemÀÌ Àִ°ÍÀÌ º¸ÀδÙ. ¿ì¸®°¡ ÇÊ¿äÇÑ °ÍÀº ÀÌ itemÀ̶ó´Â JSON¹è¿­ÀÌ°í ³»ºÎ¿¡ author_t, sale_price,titleÀÌ´Ù.

¿ì¼± ÆĽÌÇϱâ Àü ¹Ì¸® ¾î¶»°Ô Á¢±ÙÇÒ °ÍÀÎÁö °³¿ä¸¦ Â¥º¸¸é
"Channel"À» ObjectÇüÅ·ΠÆÄ½Ì -> "item"À» Array ÇüÅ·ΠÆĽÌ->for¹®À» »ç¿ëÇØ author_t, sale_price,title¸¦ ObjectÇüÅ·ΠÆĽÌÇÑ µÚ Ãâ·Â
ÀÌ·¸°Ô µÈ´Ù.

ÀÌÁ¦ Äڵ带 Â¥º¸ÀÚ

public class Main { public static void main(String[] args) throws Exception { WebConnection wc = new WebConnection(); String json = wc.json; JSONParser parser = new JSONParser(); JSONObject obj = (JSONObject)parser.parse(json); JSONObject channel = (JSONObject)obj.get("channel"); JSONArray item = (JSONArray)channel.get("item"); for(int i=0;i<item.size();i++){ JSONObject tmp = (JSONObject)item.get(i); String title = (String)tmp.get("title"); String author = (String)tmp.get("author_t"); String price = (String)tmp.get("sale_price"); System.out.println("----- "+(i+1)+"¹ø° °Ë»ö °á°ú -----"); System.out.println("Á¦¸ñ : "+title); System.out.println("ÀúÀÚ : "+author); System.out.println("°¡°Ý : "+price+"¿ø"); } } }

¿ª½Ã ¾ðÁ¦³ª parser¸¦ ¸ÕÀú ¼±¾ð ÈÄ ¹Þ¾Æ¿Â ´ÙÀ½ ¾Æ±î ¼¼¿î °³¿ä¿¡ ¸ÂÃç ¼ø¼­´ë·Î ÆĽÌÀ» ÁøÇàÇÑ´Ù.
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Áï, ¿ì¸®ÀÇ ÆĽ̰á°ú Ãâ·Â¿¡´Â ÇÊ¿ä ¾ø´Â ¹®ÀÚÀ̹ǷΠ¿¹Àü¿¡ ¹è¿ü´ø replace()¸¦ ÀÌ¿ëÇÏ¿© Á¦°ÅÇϵµ·Ï ÇÑ´Ù.

String title = ((String)tmp.get("title")).replace("&lt;b&gt;", "").replace("&lt;/b&gt;", "");

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ÄÚµå ±¸¼º : 

import java.io.BufferedReader; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import org.json.simple.JSONObject; import org.json.simple.JSONArray; import org.json.simple.parser.JSONParser; class WebConnection{ String json; WebConnection() throws Exception{ String address = "https://apis.daum.net/search/book?apikey=º»ÀÎÀÇAPIÅ°&q=java&output=json"; BufferedReader br; URL url; HttpURLConnection conn; String protocol = "GET"; url = new URL(address); conn = (HttpURLConnection)url.openConnection(); conn.setRequestMethod(protocol); br = new BufferedReader(new InputStreamReader(conn.getInputStream())); json = br.readLine(); //System.out.println(json); } } public class Main { public static void main(String[] args) throws Exception { WebConnection wc = new WebConnection(); String json = wc.json; JSONParser parser = new JSONParser(); JSONObject obj = (JSONObject)parser.parse(json); JSONObject channel = (JSONObject)obj.get("channel"); JSONArray item = (JSONArray)channel.get("item"); for(int i=0;i<item.size();i++){ JSONObject tmp = (JSONObject)item.get(i); String title = ((String)tmp.get("title")).replace("&lt;b&gt;", "").replace("&lt;/b&gt;", ""); String author = (String)tmp.get("author_t"); String price = (String)tmp.get("sale_price"); System.out.println("----- "+(i+1)+"¹ø° °Ë»ö °á°ú -----"); System.out.println("Á¦¸ñ : "+title); System.out.println("ÀúÀÚ : "+author); System.out.println("°¡°Ý : "+price+"¿ø"); } } }

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