以下是校验EndingComputeDTO 实体类中,四个属性值是否为空,输出为
[],达到效果。
import com.alibaba.fastjson.JSON;
import com.softium.datacenter.paas.domain.common.ConstantCacheMap;
import com.softium.datacenter.paas.domain.dto.EndingComputeDTO;
import com.softium.datacenter.paas.domain.entity.*;
import com.softium.framework.util.StringUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.FatalBeanException;
import java.beans.PropertyDescriptor;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.math.BigDecimal;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class ListMapCommonUtils {
/**校验bean中属性是否为空
* @param validateObj 要校验的实体类
* @param notIgnoreProperties 所要校验的字段
* */
public static List<String> validateProperty(Object validateObj,String... notIgnoreProperties) {
PropertyDescriptor[] targetPds = BeanUtils.getPropertyDescriptors(validateObj.getClass());
List<String> ignoreList = (notIgnoreProperties != null ? Arrays.asList(notIgnoreProperties) : null);
List<String> errList = new ArrayList<>();
for (PropertyDescriptor targetPd : targetPds) {
Method readMethod = targetPd.getReadMethod();
if (readMethod != null && (ignoreList != null && ignoreList.contains(targetPd.getName()))) {
try {
if (!Modifier.isPublic(readMethod.getDeclaringClass().getModifiers())) {
readMethod.setAccessible(true);
}
Object value = readMethod.invoke(validateObj);
if (value instanceof String) {
if (StringUtils.isEmpty((String) value)) {
errList.add(validateObj.getClass().getSimpleName()+ "属性" + targetPd.getName() + "不能为空");
continue;
}
}
if (value instanceof Float || value instanceof Integer) {
if (StringUtils.isEmpty(value.toString())) {
errList.add(validateObj.getClass().getSimpleName()+ "属性" + targetPd.getName() + "不能为空");
continue;
}
}
if (value == null) {
errList.add(validateObj.getClass().getSimpleName() + "属性" + targetPd.getName() + "不能为空");
}
} catch (Throwable ex) {
throw new FatalBeanException(
"Could not copy property '" + targetPd.getName() + "' from source to target", ex);
}
}
}
return errList;
}
public static void main(String[] args) {
EndingComputeDTO dto=new EndingComputeDTO();
dto.setToInstitutionAttachForBranch("a");
dto.setToInstitutionAttachForCommerceTrust("a");
dto.setToInstitutionAttachForPharmacy("a");
dto.setToInstitutionAttachForVisual("a");
List<String> list= validateProperty(dto,"toInstitutionAttachForPharmacy","toInstitutionAttachForVisual","toInstitutionAttachForBranch","toInstitutionAttachForCommerceTrust");
System.out.println(JSON.toJSONString(list));
}
}
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