springboot 打印sql执行信息日志并输入指定文件中 （sql语句，执行时间）

springboot 打印sql执行信息日志并输入指定文件中 （sql语句，执行时间）

package com.insigma.oa.common.mybatisplus;


import com.alibaba.fastjson.JSONObject;

import lombok.extern.log4j.Log4j2;
import org.apache.ibatis.session.SqlSessionFactory;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
import org.springframework.stereotype.Component;

import java.io.*;
import java.util.Arrays;

/**
 * @author xc
 * * @date 2021/04/25
 */

@ConditionalOnExpression("${oa.sqlEnabled}==1") //滿足才当做bean加载到容器中
@Aspect
@Component
@Log4j2
public class MapperAspect {
    @Value("${oa.slowLogTime}")
    private  Integer slowLogTime;

    @Value("${oa.sql-path}")
    private String path;


    @Autowired
    private SqlSessionFactory sqlSessionFactory;

    @AfterReturning("execution(* com.insigma.oa.*.*.*Mapper.*(..))")
    public void logServiceAccess(JoinPoint joinPoint) {
        log.info("Completed: " + joinPoint);
    }


    /**
     * 监控com.lsj.xcjfs.dao..*Mapper包及其子包的所有public方法
     */
    @Pointcut("execution(* com.insigma.oa.*.*.*Mapper.*(..))")
    private void pointCutMethod() {
    }

    /**
     * 声明环绕通知
     *
     * @param pjp
     * @return
     * @throws Throwable
     */
    @Around("pointCutMethod()")
    public Object doAround(ProceedingJoinPoint pjp) throws Throwable {
        long begin = System.nanoTime();
        Object obj = pjp.proceed();
        long end = System.nanoTime();
//        log.info("调用Mapper方法：{}，参数：{}，执行耗时：{}纳秒，耗时：{}毫秒",
//                pjp.getSignature().toString(), Arrays.toString(pjp.getArgs()),
//                (end - begin), (end - begin) / 1000000);
        if((end - begin) / 1000000>slowLogTime) {
            String sql = SqlUtils.getMybatisSql(pjp, sqlSessionFactory);
            StringBuffer st = new StringBuffer();
            st.append("调用Mapper方法:").append(pjp.getSignature().toString()).append("\n").
                    append("执行的sql语句:").append(sql).append("\n").
                    //            append("参数：") .append(Arrays.toString(pjp.getArgs())).
                            append("耗时：").append((end - begin) / 1000000).append("毫秒").append("\n\n\n");
            WriteNewLog(st.toString(), path);
        }
        return obj;
    }
    public static void WriteNewLog(String jsonlog, String logpath){
        FileWriter fw = null;
        try {
            //如果文件存在，则追加内容；如果文件不存在，则创建文件
            File f=new File(logpath);
            if(!f.isFile()){
                f.createNewFile();
            }
            fw = new FileWriter(f, true);
        } catch (IOException e) {
            e.printStackTrace();
        }
        PrintWriter pw = new PrintWriter(fw);
        pw.println(jsonlog);
        pw.flush();
        try {
            fw.flush();
            pw.close();
            fw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }

    public void method1() {
        FileWriter fw = null;
        try {
           //如果文件存在，则追加内容；如果文件不存在，则创建文件
            File f=new File("E:\\dd.txt");
            fw = new FileWriter(f, true);
        } catch (IOException e) {
            e.printStackTrace();
        }
        PrintWriter pw = new PrintWriter(fw);
        pw.println("追加内容");
        pw.flush();
        try {
            fw.flush();
            pw.close();
            fw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

package com.insigma.oa.common.mybatisplus;


import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.mapping.BoundSql;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.mapping.ParameterMapping;
import org.apache.ibatis.reflection.MetaObject;
import org.apache.ibatis.session.Configuration;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.type.TypeHandlerRegistry;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.reflect.MethodSignature;

import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Parameter;
import java.text.DateFormat;
import java.util.*;


/**
 * @author xc
 * * @date 2021/04/25
 */
public class SqlUtils {
    /**
     * 获取aop中的SQL语句
     * @param pjp
     * @param sqlSessionFactory
     * @return
     * @throws IllegalAccessException
     */
    public static String getMybatisSql(ProceedingJoinPoint pjp, SqlSessionFactory sqlSessionFactory) throws IllegalAccessException {
        try {


            Map<String, Object> map = new HashMap<>();
            //1.获取namespace+methdoName
            MethodSignature signature = (MethodSignature) pjp.getSignature();
            Method method = signature.getMethod();
            String namespace = method.getDeclaringClass().getName();
            String methodName = method.getName();
            //2.根据namespace+methdoName获取相对应的MappedStatement
            Configuration configuration = sqlSessionFactory.getConfiguration();
            MappedStatement mappedStatement = configuration.getMappedStatement(namespace + "." + methodName);
//        //3.获取方法参数列表名
//        Parameter[] parameters = method.getParameters();
            //4.形参和实参的映射
            Object[] objects = pjp.getArgs(); //获取实参
            Annotation[][] parameterAnnotations = method.getParameterAnnotations();
            for (int i = 0; i < parameterAnnotations.length; i++) {
                Object object = objects[i];
                if (parameterAnnotations[i].length == 0) { //说明该参数没有注解，此时该参数可能是实体类，也可能是Map，也可能只是单参数
                    if (object.getClass().getClassLoader() == null && object instanceof Map) {
                        map.putAll((Map<? extends String, ?>) object);
                        System.out.println("该对象为Map");
                    } else {//形参为自定义实体类
                        map.putAll(objectToMap(object));
                        System.out.println("该对象为用户自定义的对象");
                    }
                } else {//说明该参数有注解，且必须为@Param
                    for (Annotation annotation : parameterAnnotations[i]) {
                        if (annotation instanceof Param) {
                            map.put(((Param) annotation).value(), object);
                        }
                    }
                }
            }
            //5.获取boundSql
            BoundSql boundSql = mappedStatement.getBoundSql(map);
            return showSql(configuration, boundSql);
        }catch (Exception e){
            return null;
        }
    }

    /**
     * 解析BoundSql，生成不含占位符的SQL语句
     * @param configuration
     * @param boundSql
     * @return
     */
    private  static String showSql(Configuration configuration, BoundSql boundSql) {
        Object parameterObject = boundSql.getParameterObject();
        List<ParameterMapping> parameterMappings = boundSql.getParameterMappings();
        String sql = boundSql.getSql().replaceAll("[\\s]+", " ");
        if (parameterMappings.size() > 0 && parameterObject != null) {
            TypeHandlerRegistry typeHandlerRegistry = configuration.getTypeHandlerRegistry();
            if (typeHandlerRegistry.hasTypeHandler(parameterObject.getClass())) {
                sql = sql.replaceFirst("\\?", getParameterValue(parameterObject));
            } else {
                MetaObject metaObject = configuration.newMetaObject(parameterObject);
                for (ParameterMapping parameterMapping : parameterMappings) {
                    String propertyName = parameterMapping.getProperty();
                    String[] s =  metaObject.getObjectWrapper().getGetterNames();
                    s.toString();
                    if (metaObject.hasGetter(propertyName)) {
                        Object obj = metaObject.getValue(propertyName);
                        sql = sql.replaceFirst("\\?", getParameterValue(obj));
                    } else if (boundSql.hasAdditionalParameter(propertyName)) {
                        Object obj = boundSql.getAdditionalParameter(propertyName);
                        sql = sql.replaceFirst("\\?", getParameterValue(obj));
                    }
                }
            }
        }
        return sql;
    }

    /**
     * 若为字符串或者日期类型，则在参数两边添加''
     * @param obj
     * @return
     */
    private static String getParameterValue(Object obj) {
        String value = null;
        if (obj instanceof String) {
            value = "'" + obj.toString() + "'";
        } else if (obj instanceof Date) {
            DateFormat formatter = DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT, Locale.CHINA);
            value = "'" + formatter.format(new Date()) + "'";
        } else {
            if (obj != null) {
                value = obj.toString();
            } else {
                value = "";
            }
        }
        return value;
    }

    /**
     * 获取利用反射获取类里面的值和名称
     *
     * @param obj
     * @return
     * @throws IllegalAccessException
     */
    private static Map<String, Object> objectToMap(Object obj) throws IllegalAccessException {
        Map<String, Object> map = new HashMap<>();
        Class<?> clazz = obj.getClass();
        System.out.println(clazz);
        for (Field field : clazz.getDeclaredFields()) {
            field.setAccessible(true);
            String fieldName = field.getName();
            Object value = field.get(obj);
            map.put(fieldName, value);
        }
        return map;

    }
}

配置文件中

oa:
  sqlEnabled: 1 #是否开启sql慢查询 1开启
  slowLogTime: 200  #毫秒 超过多少打印
  sql-path: D:\log.txt  #慢sql存放的地方