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public class List2MapUtils {
/**
* K: key class type, V: value class type
*
* @param sourceList
* @param keyName
* key property
* @param keyClass
* key Class type
* @return
*/
public static <K, V> Map<K, V> convert2Map(List<V> sourceList, String keyName, Class<K> keyClass) {
Map<K, V> map = new HashMap<K, V>();
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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以上这篇List转换成Map工具类的简单实例就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持服务器之家。