fix 提升锁的作用域 并采用双重校验锁

fanc

2024-01-25 cb913a9adcbe83b5688478cf538f11631b1270da

 ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/core/mapper/BaseMapperPlus.java

@@ -35,7 +35,6 @@
    Log log = LogFactory.getLog(BaseMapperPlus.class);

    default Class<V> currentVoClass() {
        GenericTypeUtils.resolveTypeArguments(this.getClass(), BaseMapperPlus.class);
        return (Class<V>) GenericTypeUtils.resolveTypeArguments(this.getClass(), BaseMapperPlus.class)[1];
    }