@Target(value=TYPE)  
 @Retention(value=RUNTIME)  
 @Documented  
 @Controller  
 @ResponseBody  
public @interface RestController  
@Target(value=TYPE) 
 @Retention(value=RUNTIME) 
 @Documented 
 @Controller 
 @ResponseBody 
public @interface RestController

<pre name="code" class="java">import org.springframework.boot.autoconfigure.*; 
import org.springframework.boot.autoconfigure.jdbc.*; 
import org.springframework.context.annotation.*; 
@Configuration 
@EnableAutoConfiguration(exclude={DataSourceAutoConfiguration.class}) 
public class MyConfiguration { 
} 
<pre name="code" class="java">import org.springframework.boot.autoconfigure.*;
import org.springframework.boot.autoconfigure.jdbc.*;
import org.springframework.context.annotation.*;
@Configuration
@EnableAutoConfiguration(exclude={DataSourceAutoConfiguration.class})
public class MyConfiguration {
}
@Configuration

@ComponentScan(basePackages = "com.hyxt",includeFilters = {@ComponentScan.Filter(Aspect.class)}) 
@ComponentScan(basePackages = "com.hyxt",includeFilters = {@ComponentScan.Filter(Aspect.class)})
@SpringBootApplication

package com.example.myproject; 
import org.springframework.boot.SpringApplication; 
import org.springframework.boot.autoconfigure.SpringBootApplication; 
@SpringBootApplication // same as @Configuration @EnableAutoConfiguration @ComponentScan  
public class Application { 
  public static void main(String[] args) { 
    SpringApplication.run(Application.class, args); 
  } 
} 
package com.example.myproject;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication // same as @Configuration @EnableAutoConfiguration @ComponentScan
public class Application {
  public static void main(String[] args) {
    SpringApplication.run(Application.class, args);
  }
}

@Component 
@ConfigurationProperties(prefix="connection") 
public class ConnectionSettings { 
@NotNull 
private InetAddress remoteAddress; 
// ... getters and setters  
} 
@Component
@ConfigurationProperties(prefix="connection")
public class ConnectionSettings {
@NotNull
private InetAddress remoteAddress;
// ... getters and setters
}
@Profiles
Spring Profiles提供了一种隔离应用程序配置的方式，并让这些配置只能在特定的环境下生效。任何@Component或@Configuration都能被@Profile标记，从而限制加载它的时机。
[java] view plain copy print?在CODE上查看代码片派生到我的代码片
@Configuration 
@Profile("production") 
public class ProductionConfiguration { 
// ...  
} 
@Configuration
@Profile("production")
public class ProductionConfiguration {
// ...
}@ResponseBody

@RequestParam String a =request.getParameter("a")。 
@RequestParam String a =request.getParameter("a")。

RequestMapping("user/get/mac/{macAddress}") 
public String getByMacAddress(@PathVariable String macAddress){ 
//do something;  
} 
RequestMapping("user/get/mac/{macAddress}")
public String getByMacAddress(@PathVariable String macAddress){
//do something;
}

/** 
 * 用户进行评论及对评论进行管理的 Controller 类； 
 */ 
@Controller 
@RequestMapping("/msgCenter") 
public class MyCommentController extends BaseController { 
  @Autowired 
  CommentService commentService; 
  @Autowired 
  OperatorService operatorService; 
  /** 
   * 添加活动评论； 
   * 
   * @param applyId 活动 ID； 
   * @param content 评论内容； 
   * @return 
   */ 
  @ResponseBody 
  @RequestMapping("/addComment") 
  public Map<String, Object> addComment(@RequestParam("applyId") Integer applyId, @RequestParam("content") String content) { 
    .... 
    return result; 
  } 
} 
/**
 * 用户进行评论及对评论进行管理的 Controller 类；
 */
@Controller
@RequestMapping("/msgCenter")
public class MyCommentController extends BaseController {
  @Autowired
  CommentService commentService;
  @Autowired
  OperatorService operatorService;
  /**
   * 添加活动评论；
   *
   * @param applyId 活动 ID；
   * @param content 评论内容；
   * @return
   */
  @ResponseBody
  @RequestMapping("/addComment")
  public Map<String, Object> addComment(@RequestParam("applyId") Integer applyId, @RequestParam("content") String content) {
    ....
    return result;
  }
}
@RequestMapping("/list/{applyId}") 
  public String list(@PathVariable Long applyId, HttpServletRequest request, ModelMap modelMap) { 
} 
 @RequestMapping("/list/{applyId}")
  public String list(@PathVariable Long applyId, HttpServletRequest request, ModelMap modelMap) {
}

/** 
 * 全局异常处理 
 */ 
@ControllerAdvice 
class GlobalDefaultExceptionHandler { 
  public static final String DEFAULT_ERROR_VIEW = "error"; 
  @ExceptionHandler({TypeMismatchException.class,NumberFormatException.class}) 
  public ModelAndView formatErrorHandler(HttpServletRequest req, Exception e) throws Exception { 
    ModelAndView mav = new ModelAndView(); 
    mav.addObject("error","参数类型错误"); 
    mav.addObject("exception", e); 
    mav.addObject("url", RequestUtils.getCompleteRequestUrl(req)); 
    mav.addObject("timestamp", new Date()); 
    mav.setViewName(DEFAULT_ERROR_VIEW); 
    return mav; 
  }} 
/**
 * 全局异常处理
 */
@ControllerAdvice
class GlobalDefaultExceptionHandler {
  public static final String DEFAULT_ERROR_VIEW = "error";
  @ExceptionHandler({TypeMismatchException.class,NumberFormatException.class})
  public ModelAndView formatErrorHandler(HttpServletRequest req, Exception e) throws Exception {
    ModelAndView mav = new ModelAndView();
    mav.addObject("error","参数类型错误");
    mav.addObject("exception", e);
    mav.addObject("url", RequestUtils.getCompleteRequestUrl(req));
    mav.addObject("timestamp", new Date());
    mav.setViewName(DEFAULT_ERROR_VIEW);
    return mav;
  }}

# face++ key 
face_api_key = R9Z3Vxc7ZcxfewgVrjOyrvu1d-qR**** 
face_api_secret =D9WUQGCYLvOCIdsbX35uTH******** 
# face++ key
face_api_key = R9Z3Vxc7ZcxfewgVrjOyrvu1d-qR****
face_api_secret =D9WUQGCYLvOCIdsbX35uTH********
@Value("${face_api_key}") 
  private String API_KEY; 
  @Value("${face_api_secret}") 
  private String API_SECRET; 
 @Value("${face_api_key}")
  private String API_KEY;
  @Value("${face_api_secret}")
  private String API_SECRET;所以一般常用的配置都是配置在application.properties文件的