一:同類對象賦值java
import java.lang.reflect.Field; public class ObjectUtil { /** * 賦值給同類對象 * 非空或者非""才賦值 */ public static <T> void mergeObject(T origin, T destination) { if (origin == null || destination == null) return; if (!origin.getClass().equals(destination.getClass())) return; Field[] fields = origin.getClass().getDeclaredFields(); for (int i = 0; i < fields.length; i++) { try { fields[i].setAccessible(true); Object value = fields[i].get(origin); //判斷不爲空而且不爲""時才賦值 if (value != null && !"".equals(value)) { fields[i].set(destination, value); } fields[i].setAccessible(false); } catch (Exception e) { } } } }
二:不一樣類對象賦值spa