【无标题】mybatis 拦截器，保存mdl操作日志

import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.executor.Executor;
import org.apache.ibatis.mapping.BoundSql;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.mapping.ParameterMapping;
import org.apache.ibatis.mapping.ParameterMode;
import org.apache.ibatis.plugin.Interceptor;
import org.apache.ibatis.plugin.Intercepts;
import org.apache.ibatis.plugin.Invocation;
import org.apache.ibatis.plugin.Signature;
import org.apache.ibatis.reflection.MetaObject;
import org.apache.ibatis.session.Configuration;
import org.apache.ibatis.type.TypeHandlerRegistry;
import org.springframework.stereotype.Component;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.regex.Matcher;

@Intercepts(@Signature(type = Executor.class, method = "update", args = {MappedStatement.class, Object.class}))
@Slf4j
@Component
public class SqlTrackInterceptor implements Interceptor {


    @Override
    public Object intercept(Invocation invocation) throws Throwable {
        MappedStatement mappedStatement = (MappedStatement) invocation.getArgs()[0];
        Object parameterObject = null;
        if (invocation.getArgs().length > 1) {
            parameterObject = invocation.getArgs()[1];
        }
        Object result = invocation.proceed();
        BoundSql boundSql = mappedStatement.getBoundSql(parameterObject);
        Configuration configuration = mappedStatement.getConfiguration();
        String sql = getSql(boundSql, parameterObject, configuration);
        if (!sql.contains("sys_audit")) {
            AuditUtils.addAuditLog(Audit.AuditType.SQL, "DML", sql);
        }
        return result;
    }

    private String getSql(BoundSql boundSql, Object parameterObject, Configuration configuration) {
        String sql = boundSql.getSql().replaceAll("[\\s]+", " ");
        List<ParameterMapping> parameterMappings = boundSql.getParameterMappings();
        TypeHandlerRegistry typeHandlerRegistry = configuration.getTypeHandlerRegistry();
        if (parameterMappings != null) {
            for (int i = 0; i < parameterMappings.size(); i++) {
                ParameterMapping parameterMapping = parameterMappings.get(i);
                if (parameterMapping.getMode() != ParameterMode.OUT) {
                    Object value;
                    String propertyName = parameterMapping.getProperty();
                    if (boundSql.hasAdditionalParameter(propertyName)) {
                        value = boundSql.getAdditionalParameter(propertyName);
                    } else if (parameterObject == null) {
                        value = null;
                    } else if (typeHandlerRegistry.hasTypeHandler(parameterObject.getClass())) {
                        value = parameterObject;
                    } else {
                        MetaObject metaObject = configuration.newMetaObject(parameterObject);
                        value = metaObject.getValue(propertyName);
                    }
                    sql = replacePlaceholder(sql, value);
                }
            }
        }
        return sql;
    }

    private String replacePlaceholder(String sql, Object propertyValue) {
        String result;
        if (propertyValue != null) {
            if (propertyValue instanceof String) {
                result = "'" + propertyValue + "'";
            } else if (propertyValue instanceof Date) {
                DateFormat  dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                result = "'" + dateFormat.format(propertyValue) + "'";
            } else {
                result = propertyValue.toString();
            }
        } else {
            result = "null";
        }
        return sql.replaceFirst("\\?", Matcher.quoteReplacement(result));
    }
}

public class AuditUtils {

    public static void addAuditLog(Audit.AuditType type, String name, String content, String remark) {
        AuditService auditService = ApplicationContextUtils.getBean(AuditService.class);
        auditService.save(type, name, content, remark);
    }

    public static void addAuditLog(Audit.AuditType type, String name, String content) {
        addAuditLog(type, name, content, null);
    }
}