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2021-10-20 3eeeb27d70ad7d761b1e280d24d717a4ee775a3b

 ruoyi-framework/src/main/java/com/ruoyi/framework/aspectj/DataSourceAspect.java

@@ -1,72 +1,63 @@
package com.ruoyi.framework.aspectj;

import java.util.Objects;
import com.baomidou.dynamic.datasource.toolkit.DynamicDataSourceContextHolder;
import com.ruoyi.common.annotation.DataSource;
import com.ruoyi.common.utils.StringUtils;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import com.ruoyi.common.annotation.DataSource;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.framework.datasource.DynamicDataSourceContextHolder;

import java.util.Objects;

/**
 * 多数据源处理
 * 
 * @author ruoyi
 *
 * @author Lion Li
 */
@Aspect
@Order(1)
@Order(-500)
@Component
public class DataSourceAspect
{
    protected Logger logger = LoggerFactory.getLogger(getClass());
public class DataSourceAspect {

    @Pointcut("@annotation(com.ruoyi.common.annotation.DataSource)"
            + "|| @within(com.ruoyi.common.annotation.DataSource)")
    public void dsPointCut()
    {
   @Pointcut("@annotation(com.ruoyi.common.annotation.DataSource)"
         + "|| @within(com.ruoyi.common.annotation.DataSource)")
   public void dsPointCut() {
   }

    }
   @Around("dsPointCut()")
   public Object around(ProceedingJoinPoint point) throws Throwable {
      DataSource dataSource = getDataSource(point);

    @Around("dsPointCut()")
    public Object around(ProceedingJoinPoint point) throws Throwable
    {
        DataSource dataSource = getDataSource(point);
      if (StringUtils.isNotNull(dataSource)) {
         DynamicDataSourceContextHolder.poll();
         String source = dataSource.value().getSource();
         DynamicDataSourceContextHolder.push(source);
      }

        if (StringUtils.isNotNull(dataSource))
        {
            DynamicDataSourceContextHolder.setDataSourceType(dataSource.value().name());
        }
      try {
         return point.proceed();
      } finally {
         // 销毁数据源 在执行方法之后
         DynamicDataSourceContextHolder.clear();
      }
   }

        try
        {
            return point.proceed();
        }
        finally
        {
            // 销毁数据源 在执行方法之后
            DynamicDataSourceContextHolder.clearDataSourceType();
        }
    }
   /**
    * 获取需要切换的数据源
    */
   public DataSource getDataSource(ProceedingJoinPoint point) {
      MethodSignature signature = (MethodSignature) point.getSignature();
      DataSource dataSource = AnnotationUtils.findAnnotation(signature.getMethod(), DataSource.class);
      if (Objects.nonNull(dataSource)) {
         return dataSource;
      }

    /**
     * 获取需要切换的数据源
     */
    public DataSource getDataSource(ProceedingJoinPoint point)
    {
        MethodSignature signature = (MethodSignature) point.getSignature();
        DataSource dataSource = AnnotationUtils.findAnnotation(signature.getMethod(), DataSource.class);
        if (Objects.nonNull(dataSource))
        {
            return dataSource;
        }
      return AnnotationUtils.findAnnotation(signature.getDeclaringType(), DataSource.class);
   }

        return AnnotationUtils.findAnnotation(signature.getDeclaringType(), DataSource.class);
    }
}