package doumeemes.core.utils;
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import java.lang.reflect.Field;
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/**
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* Mybatis Plus Wrapper工具类
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* @author Eva.Caesar Liu
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* @date 2022/04/18 18:12
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*/
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public class MyBatisPlus {
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/**
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* 将空转为null，用于mybatis plus查询数据时将值为""的字段转为null，防止将空字符串作为条件。
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* @author Eva.Caesar Liu
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* @date 2022/04/18 18:12
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*
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* @return T
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*/
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public <T> T blankToNull(T object) {
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if (object == null) {
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return null;
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}
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try {
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Class clazz = object.getClass();
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Field[] fields = clazz.getDeclaredFields();
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for (Field field : fields) {
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field.setAccessible(true);
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Object value = field.get(object);
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if ("".equals(value)) {
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field.set(object, null);
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}
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}
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return object;
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} catch (Exception e) {
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throw new RuntimeException("解析参数发生了异常", e);
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}
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}
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}
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