List转换成Map工具类的简单实例

实例如下：

public class List2MapUtils {

	
	public static  Map convert2Map(List sourceList, String keyName, Class keyClass) {
		Map map = new HashMap();

		if (sourceList == null || sourceList.isEmpty()) {
			return map;
		}

		for (V value : sourceList) {

			BeanWrapper beanWrapper = PropertyAccessorFactory.forBeanPropertyAccess(value);
			beanWrapper.setAutoGrowNestedPaths(true);

			K key = keyClass.cast(beanWrapper.getPropertyValue(keyName));
			if (key == null) {
				continue;
			}
			map.put(key, value);
		}

		return map;
	}
}

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