SpringBoot項目優雅日誌打印請求參數及返回參數

SpringBoot項目優雅日誌打印請求參數及返回參數:

需求:1:請求參數及響應內容日誌打印交給切面進行管理,避免手動創建log對象進行日誌記錄打印
        2:基於註解的Controller的Method,添加註解進行打印,不添加註解不打印日誌,便於根據實際情況日誌的輸出.

 

步驟:

添加依賴:

<!--aop-->
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-aop</artifactId>
</dependency>

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>fastjson</artifactId>
    <version>1.2.41</version>
</dependency>

創建自定義註解:

import java.lang.annotation.*;

@Retention(RetentionPolicy.RUNTIME)//註解不僅被保存到class文件中，jvm加載class文件之後，仍存在
@Target(ElementType.METHOD) //註解添加的位置
@Documented
public @interface LogPrint {
     String description() default "";

}

 

寫一個切面類進行日誌輸出管理:

package com.group.**.config.aspect;

import com.alibaba.fastjson.JSONObject;
import com.techsun.industry.config.annotation.LogPrint;
import lombok.extern.slf4j.Slf4j;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.springframework.context.annotation.Profile;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.lang.reflect.Method;

@Aspect
@Component
@Profile({"dev","test"}) //一般生產環境不允許日誌打印參數
@Slf4j
public class LogPrintAspect {
    /** 換行符 */
    private static final String LINE_SEPARATOR = System.lineSeparator();

    /** 以自定義 @LogPrint 註解爲切點 */
    @Pointcut("@annotation(com.*.*.config.annotation.LogPrint)")
    public void logPrint() {}

    /**
     * 在切點之前織入
     * @param joinPoint
     * @throws Throwable
     */
    @Before("logPrint()")
    public void doBefore(JoinPoint joinPoint) throws Throwable {
        // 開始打印請求日誌
        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = attributes.getRequest();

        // 獲取 @WebLog 註解的描述信息
        String methodDescription = getAspectLogDescription(joinPoint);

        // 打印請求相關參數
        log.info("========================================== Start ==========================================");
        // 打印請求 url
        log.info("URL            : {}", request.getRequestURL().toString());
        // 打印描述信息
        log.info("Description    : {}", methodDescription);
        // 打印 Http method
        log.info("HTTP Method    : {}", request.getMethod());
        // 打印調用 controller 的全路徑以及執行方法
        log.info("Class Method   : {}.{}", joinPoint.getSignature().getDeclaringTypeName(), joinPoint.getSignature().getName());
        // 打印請求的 IP
        log.info("IP             : {}", request.getRemoteAddr());
        // 打印請求入參
        log.info("Request Args   : {}", getParams(joinPoint));
    }

    /**
     * 在切點之後織入
     * @throws Throwable
     */
    @After("logPrint()")
    public void doAfter() throws Throwable {
        // 接口結束後換行，方便分割查看
        log.info("=========================================== End ===========================================" + LINE_SEPARATOR);
    }

    /**
     * 環繞
     * @param proceedingJoinPoint
     * @return
     * @throws Throwable
     */
    @Around("logPrint()")
    public Object doAround(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {
        long startTime = System.currentTimeMillis();
        Object result = proceedingJoinPoint.proceed();
        // 打印出參
        log.info("Response Args  : {}",  JSONObject.toJSONString(result));
        // 執行耗時
        log.info("Time-Consuming : {} ms", System.currentTimeMillis() - startTime);
        return result;
    }


    /**
     * 獲取切面註解的描述
     *
     * @param joinPoint 切點
     * @return 描述信息
     * @throws Exception
     */
    public String getAspectLogDescription(JoinPoint joinPoint)
            throws Exception {
        String targetName = joinPoint.getTarget().getClass().getName();
        String methodName = joinPoint.getSignature().getName();
        Object[] arguments = joinPoint.getArgs();
        Class targetClass = Class.forName(targetName);
        Method[] methods = targetClass.getMethods();
        StringBuilder description = new StringBuilder("");
        for (Method method : methods) {
            if (method.getName().equals(methodName)) {
                Class[] clazzs = method.getParameterTypes();
                if (clazzs.length == arguments.length) {
                    description.append(method.getAnnotation(LogPrint.class).description());
                    break;
                }
            }
        }
        return description.toString();
    }

    private String getParams(JoinPoint joinPoint) {
        String params = "";
        if (joinPoint.getArgs() != null && joinPoint.getArgs().length > 0) {
            for (int i = 0; i < joinPoint.getArgs().length; i++) {
                Object arg = joinPoint.getArgs()[i];
                if ((arg instanceof HttpServletResponse) || (arg instanceof HttpServletRequest)
                        || (arg instanceof MultipartFile) || (arg instanceof MultipartFile[])) {
                    continue;
                }
                try {
                    params +=JSONObject.toJSONString(joinPoint.getArgs()[i]);
                } catch (Exception e1) {
                    log.error(e1.getMessage());
                }
            }
        }
        return params;
    }

}

現在看看效果吧:

 

完!!!