haungxing
10 months ago
5 changed files with 72 additions and 23 deletions
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package com.hnac.hzims.common.support.constants; |
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public enum Order { |
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ASC,DESC; |
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} |
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package com.hnac.hzims.common.support.utils; |
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; |
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; |
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import com.google.common.collect.Lists; |
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import com.hnac.hzims.common.support.constants.Order; |
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import org.springblade.core.tool.utils.BeanUtil; |
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import java.lang.reflect.Field; |
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import java.util.*; |
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import java.util.function.Function; |
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public class Condition extends org.springblade.core.mp.support.Condition { |
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public static List<Field> getFieldList(Object object) { |
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Class<?> clazz = object.getClass(); |
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List<Field> fields = Lists.newArrayList(); |
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while (null != clazz){ |
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fields.addAll(Arrays.asList(clazz.getDeclaredFields())); |
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clazz = clazz.getSuperclass(); |
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} |
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return fields; |
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} |
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public static <T> LambdaQueryWrapper<T> getQueryWrapper(Object query, Class<T> clazz, Map<String,? extends Enum<Order>> orderFields) { |
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QueryWrapper<T> queryWrapper = getQueryWrapper(BeanUtil.copy(query,clazz)); |
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List<Field> fields = getFieldList(query); |
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// 填充排序字段
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orderFields.forEach((fieldName,order) -> { |
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Optional<Field> existField = fields.stream().filter(field -> camel2under(fieldName).equals(camel2under(field.getName()))).findAny(); |
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if(existField.isPresent()) { |
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if(Order.ASC.equals(order)) { |
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queryWrapper.orderByAsc(fieldName); |
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} |
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else if(Order.DESC.equals(order)) { |
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queryWrapper.orderByDesc(fieldName); |
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} |
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} |
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}); |
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return queryWrapper.lambda(); |
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} |
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private static String camel2under(String c) { |
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String separator = "_"; |
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c = c.replaceAll("([a-z])([A-Z])", "$1" + separator + "$2").toUpperCase(); |
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return c; |
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} |
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} |
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