[Spring] 기본속성

 

mapping

package hello.springmvc.basic.requetMapping;
 
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
 
import ch.qos.logback.classic.Logger;
 
@RestController // 뷰를 반환하는게 아니라 데이터 형태로 지원
public class MappingController {
 
    private Logger log = (Logger) LoggerFactory.getLogger(getClass());
    
    @RequestMapping("/hello-basic")  // /hello-basic/ 이것도 가능
    public String helloBasic() {
        log.info("helloBasic");
        return "ok";
        
    }
    
    
    @RequestMapping(value = "/mapping-get-v1",method = RequestMethod.GET)
    public String mappingGetV1() {
        log.info("mappingGetV1");
        return "ok";        
    }
    
    
    @GetMapping(value = "/mapping-get-v2")
    public String mappinggetv2() {
        log.info("mappinggetv2");
        return "ok";
    }
    
    @GetMapping(value = "/mapping/{userid}")
    public String mappingPath(@PathVariable("userid") String data) {
        log.info("mappingpath userid={},data");
                return "ok";
    }
    
    
    
    @GetMapping(value = "/mapping/users/{userid}/orders/{orderid}")
    public String mappingPath(@PathVariable String userid,@PathVariable Long orderid) {
        log.info("mappingPath userid={},orderid={},userid,orderid");
        return "ok";
    }
    
    
}
 
 
 
 

class mapping

package hello.springmvc.basic.requetMapping;
 
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PatchMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
@RequestMapping("/mapping/users")
public class mappingClassController {
 
    @GetMapping
    public String users() {
        return "get users";
    }
    
    @PostMapping
    public String adduser() {
        return "post user";
    }
    
    @GetMapping("/{userid}")
    public String findUser(@PathVariable String userid) {
        return "get userid = " +userid;
        
    }
    
    
    @PatchMapping("/{userid}")
    public String updateuser(@PathVariable String userid) {
        return "update userid="+userid;
    }
    
    @DeleteMapping("/{userid}")
    public String deleteuser(@PathVariable String userid) {
        return "delete userid="+userid;
    }
    
    
    
    
}
 

header 영역

package hello.springmvc.request;
 
import java.util.Locale;
 
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpMethod;
import org.springframework.util.MultiValueMap;
import org.springframework.web.bind.annotation.CookieValue;
import org.springframework.web.bind.annotation.RequestHeader;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
 
import ch.qos.logback.classic.Logger;
import lombok.extern.slf4j.Slf4j;
 
@Slf4j
@RestController
public class RequestHeaderController {
    
    
 
    private Logger log = (Logger) LoggerFactory.getLogger(getClass());
    
    @RequestMapping("/headers")
    public String header(HttpServletRequest request,
            HttpServletResponse response,
            HttpMethod httpMethod,
            Locale locale,
            @RequestHeader MultiValueMap<String, String> headerMap,
            @RequestHeader("host") String host,
            @CookieValue(value="MyCookie",required=false) String cookie) {
        
        
        log.info("request={}",request);
        log.info("response={}",response);
        log.info("httpMethod={}",httpMethod);
        log.info("locale={}",locale);
        log.info("headerMap={}",headerMap);
        log.info("myCookie={}",cookie);
        return "ok";
    }
    
    
    
}
 

request param

package hello.springmvc.request;
 
import java.io.IOException;
 
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
 
import ch.qos.logback.classic.Logger;
import lombok.extern.slf4j.Slf4j;
 
 
 
@Slf4j
@Controller
public class RequestParamController {
 
    
    
    private Logger log = (Logger) LoggerFactory.getLogger(getClass());
    
    @RequestMapping("/request-param-v1")
    public void requestparamV1(HttpServletRequest request,HttpServletResponse response) throws IOException {
        
        
        String username = request.getParameter("username");
        int age = Integer.parseInt(request.getParameter("age"));
        
        log.info("username={},age={}",username,age);
        
        response.getWriter().write("ok");
    }
    
    
    @ResponseBody
    @RequestMapping("/request-param-v2")
    public String requestParamv2(@RequestParam("username") String memberName,
                                 @RequestParam("age") int memberAge) {
        log.info("username={} ,age={}",memberName,memberAge);
        return "ok";
        
        
    }
    
    
    @ResponseBody
    @RequestMapping("/request-param-v3")
    public String requestparam(@RequestParam String username,@RequestParam  int age) {
        log.info("username={},age={}",username,age);
        return "ok";
    }
    
    
    
    @ResponseBody
    @RequestMapping("/request-param-v4")
    public String requestparamV3(String username , int age) {
        log.info("username={},age={}",username,age);
        return "ok";
    }
    
    
    
}
 

 

    @ResponseBody
    @RequestMapping("/request-param-required")
    public String requestparamRequired(
            @RequestParam(required = false) String username,
            @RequestParam(required = false) int age
            ) {
        
        
        log.info("username={},age={}",username,age);
        return "ok";
        
    }
    
    @ResponseBody
    @RequestMapping("/request-param-default")
    public String requestparamRequired2(
            @RequestParam(required = false,defaultValue = "guest") String username,
            @RequestParam(required = false,defaultValue = "-1") int age
            ) {
        
        
        log.info("username={},age={}",username,age);
        return "ok";
        
    }
    
    
    @ResponseBody
    @RequestMapping("/request-param-map")
    public String requestparammap(
            @RequestParam Map<String, Object> paramMap
            ) {
        log.info("username={},age={}",paramMap.get("username"),paramMap.get("age"));
        return "ok";
    }