@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
public @interface Intercepts {
    /**
     * 定義攔截點(diǎn)
     * 只有符合攔截點(diǎn)的條件才會進(jìn)入到攔截器
     */
    Signature[] value();
}

@Intercepts({//注意看這個大花括號，也就這說這里可以定義多個@Signature對多個地方攔截，都用這個攔截器
        @Signature(
                type = ResultSetHandler.class,
                method = "handleResultSets", 
                args = {Statement.class}),
        @Signature(type = Executor.class,
                method = "query",
                args = {MappedStatement.class, Object.class, RowBounds.class, ResultHandler.class})
})

@Intercepts(value = {
        @Signature(type = ResultSetHandler.class, method = "handleResultSets", args = Statement.class),
})
@Component
public class MybatisResultSetHandler implements Interceptor {

    @Override
    public Object intercept(Invocation invocation) throws Throwable {
        //這里不管幾個結(jié)果都是返回一個list，強(qiáng)轉(zhuǎn)成list即可
        Object proceed = invocation.proceed();
        System.out.println(proceed);
        return proceed;
    }
}

public interface ResultSetHandler {
    <E> List<E> handleResultSets(Statement var1) throws SQLException;

    <E> Cursor<E> handleCursorResultSets(Statement var1) throws SQLException;

    void handleOutputParameters(CallableStatement var1) throws SQLException;
}