{"id":971,"date":"2022-11-29T17:35:55","date_gmt":"2022-11-29T08:35:55","guid":{"rendered":"https:\/\/java.ihavenomoney.co.kr\/?page_id=971"},"modified":"2022-12-08T18:54:14","modified_gmt":"2022-12-08T09:54:14","slug":"controller-%ec%b6%94%ea%b0%80-%ed%95%98%ea%b8%b0","status":"publish","type":"page","link":"https:\/\/java.ihavenomoney.co.kr\/?page_id=971","title":{"rendered":"Controller \ucd94\uac00 \ud558\uae30"},"content":{"rendered":"\n

Remark : Spring 4.0 \uc774\uc0c1\uc5d0\uc11c Controller \ucd94\uac00\uc2dc @RestController \ub97c \uc0ac\uc6a9\ud55c\ub2e4.
<\/h3>\n\n\n\n

Spring MVC\uc5d0\uc11c Controller\ub97c \uad6c\uc131\ud560 \ub54c @Controller\ub97c \uc0ac\uc6a9\ud558\uba74 return\ud558\ub294 \uac12\uc740 \uc0ac\uc6a9\ud560 jsp\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \uac00\uc9c4\ub2e4.
\uadf8\ub7f0\ub370 @RestController\ub97c \ud1b5\ud574\uc11c return\uc744 \ud558\uac8c \ub418\uba74 \ub9ac\ud134\uac12 \uc790\uccb4\ub97c \ube0c\ub77c\uc6b0\uc800\ub85c \uc804\ub2ec\ud558\ub294 \uc751\ub2f5\uacb0\uacfc\ub85c \uc0dd\uc131\ud558\uc5ec \ubcf4\ub0b4\uac8c \ub41c\ub2e4. \uc608\ub97c\ub4e4\uc5b4 return “result”; \ud558\uba74 result\ub77c\ub294 \ubb38\uc790\uc5f4\uc774 \ub370\uc774\ud130\ub85c\uc11c \uc804\ub2ec \ub41c\ub2e4\uace0 \ud560 \uc218 \uc788\uaca0\ub2e4.<\/h4>\n\n\n\n

1.demo \uc5d0\uc11c -> Add Frameworks Support
Spring-Spring MVC \ucd94\uac00<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

<\/p>\n\n\n\n

2.Controller \ud30c\uc77c\uc740 com.example.demo \ubc11 \uc544\ubb34 \ub514\ub809\ud1a0\ub9ac\uc5d0 \uc788\uc5b4\ub3c4 \ub41c\ub2e4.<\/h3>\n\n\n\n

@Controller \uac00 \uc544\ub2cc @RestController \ub85c \uc801\uc5b4\uc900\ub2e4.<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

3.\uc18c\uc2a4<\/h3>\n\n\n\n
package com.example.demo.controller;\n\nimport org.springframework.http.HttpStatus;\nimport org.springframework.http.ResponseEntity;\nimport org.springframework.web.bind.annotation.RequestBody;\nimport org.springframework.web.bind.annotation.RequestMapping;\nimport org.springframework.web.bind.annotation.RequestParam;\nimport org.springframework.web.bind.annotation.RestController;\n\nimport vo.JsonRqVo; \/\/model class \uc5c6\uc73c\uba74 helloWorld3 \uc0ad\uc81c\n\n@RestController\npublic class HelloWorldController {\n\n    @RequestMapping(\"\/\")\n    public String helloWorld(@RequestParam String name){\n        return \"Hello World from Spring Boot : \" + name ;\n    }\n\n    @RequestMapping(\"\/goodbye\")\n    public String helloWorld2(){\n        return \"Goodbye from Spring Boot\";\n    }\n\n    @RequestMapping(\"\/json\")\n    public ResponseEntity<JsonRqVo> helloWorld3(@RequestBody JsonRqVo jsonRqVo)\n    {\n        JsonRqVo jsonRqVo2 = new JsonRqVo();\n\n        jsonRqVo2 = jsonRqVo;\n\n        return ResponseEntity.status(HttpStatus.OK).body(jsonRqVo2);\n    }\n}\n<\/pre><\/div>\n\n\n\n
4.\uc2e4\ud589<\/h3>\n\n\n\n
http:\/\/localhost:8080\/goodbye<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
5. View \ub85c \ud638\ucd9c \ud558\uae30
– GretingController \ud074\ub798\uc2a4\ub97c \ub9cc\ub4e0\ub2e4.<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n
6. GreetingController  \uc18c\uc2a4 <\/h3>\n\n\n\n
package com.example.demo.controller;\n\nimport org.springframework.stereotype.Controller;\nimport org.springframework.ui.Model;\nimport org.springframework.web.bind.annotation.GetMapping;\nimport org.springframework.web.bind.annotation.RequestParam;\n\n@Controller\npublic class GreetingController {\n    @GetMapping(\"\/greeting\")\n    public String greeting(@RequestParam(name=\"name\", required=false, defaultValue=\"World\") String name, Model model) {\n        model.addAttribute(\"name\", name);\n        return \"greeting\";\n    }\n}<\/pre><\/div>\n\n\n\n
7. View \ub9cc\ub4e4\uae30 
templates  \ubc11\uc5d0 – greeting.html \ub9cc\ub4e4\uae30<\/h3>\n\n\n\n
implementation ‘org.springframework.boot:spring-boot-starter-thymeleaf’ \ucd94\uac00 \ud544\uc694<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
thymeleaf \uc0ac\uc6a9 \/\/ <\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n
8. greeting.html \uc18c\uc2a4 <\/h3>\n\n\n\n
<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <title>Title<\/title>\n<\/head>\n<body>\n<p th:text=\"'Hello, ' + ${name} + '!'\" \/>\n<\/body>\n<\/html><\/pre><\/div>\n\n\n\n
<\/p>\n\n\n\n
@Controller \ub85c \uc801\uc5b4\uc900\ub2e4.<\/h3>\n\n\n\n
9.\uc2e4\ud589 <\/h3>\n\n\n\n
http:\/\/localhost:8080\/greeting?name=User<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
<\/div>\n","protected":false},"excerpt":{"rendered":"
Remark : Spring 4.0 \uc774\uc0c1\uc5d0\uc11c Controller \ucd94\uac00\uc2dc @RestController \ub97c \uc0ac\uc6a9\ud55c\ub2e4. Spring MVC\uc5d0\uc11c Controller\ub97c \uad6c\uc131\ud560 \ub54c @Controller\ub97c \uc0ac\uc6a9\ud558\uba74 return\ud558\ub294 \uac12\uc740 \uc0ac\uc6a9\ud560 jsp\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \uac00\uc9c4\ub2e4.\uadf8\ub7f0\ub370 @RestController\ub97c \ud1b5\ud574\uc11c return\uc744 \ud558\uac8c \ub418\uba74 \ub9ac\ud134\uac12 \uc790\uccb4\ub97c \ube0c\ub77c\uc6b0\uc800\ub85c \uc804\ub2ec\ud558\ub294 \uc751\ub2f5\uacb0\uacfc\ub85c \uc0dd\uc131\ud558\uc5ec \ubcf4\ub0b4\uac8c \ub41c\ub2e4. \uc608\ub97c\ub4e4\uc5b4 return “result”; \ud558\uba74 result\ub77c\ub294 \ubb38\uc790\uc5f4\uc774 \ub370\uc774\ud130\ub85c\uc11c \uc804\ub2ec \ub41c\ub2e4\uace0 \ud560 \uc218 \uc788\uaca0\ub2e4. 1.demo \uc5d0\uc11c -> Add Frameworks Support …
Controller \ucd94\uac00 \ud558\uae30<\/span> \ub354\ubcf4\uae30<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-971","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/java.ihavenomoney.co.kr\/index.php?rest_route=\/wp\/v2\/pages\/971","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/java.ihavenomoney.co.kr\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/java.ihavenomoney.co.kr\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/java.ihavenomoney.co.kr\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/java.ihavenomoney.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=971"}],"version-history":[{"count":10,"href":"https:\/\/java.ihavenomoney.co.kr\/index.php?rest_route=\/wp\/v2\/pages\/971\/revisions"}],"predecessor-version":[{"id":1037,"href":"https:\/\/java.ihavenomoney.co.kr\/index.php?rest_route=\/wp\/v2\/pages\/971\/revisions\/1037"}],"wp:attachment":[{"href":"https:\/\/java.ihavenomoney.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}