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package com.ruoyi.platform.utils; |
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import com.ruoyi.common.core.utils.bean.BeanUtils; |
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import org.springframework.beans.BeanWrapper; |
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import org.springframework.beans.BeanWrapperImpl; |
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import java.util.HashSet; |
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import java.util.Set; |
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public class BeansUtils { |
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public static String[] getNullPropertyNames(Object source) { |
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final BeanWrapper src = new BeanWrapperImpl(source); |
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java.beans.PropertyDescriptor[] pds = src.getPropertyDescriptors(); |
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Set<String> emptyNames = new HashSet<String>(); |
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for(java.beans.PropertyDescriptor pd : pds) { |
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Object srcValue = src.getPropertyValue(pd.getName()); |
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if (srcValue == null) emptyNames.add(pd.getName()); |
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} |
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String[] result = new String[emptyNames.size()]; |
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return emptyNames.toArray(result); |
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} |
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public static void copyPropertiesIgnoreNull(Object src, Object target){ |
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BeanUtils.copyProperties(src, target, getNullPropertyNames(src)); |
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} |
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} |