package cn.test.util;
import java.lang.reflect.Method;
import java.util.List;
public class AutoMapper
{
public static <TSource,TDestination> void mapping(TSource source,TDestination destination)
{
Method[] srcMethods = source.getClass().getMethods();
Method[] destMethods = destination.getClass().getMethods();
for(Method m :srcMethods)
{
String srcMethodName = m.getName();
if(srcMethodName.startsWith("get")) //调用get方法
{
try
{
Object getValue =m.invoke(source); //获取当前方法返回值(获取当前属性值)
for(Method dm : destMethods)
{
String destMethodName = dm.getName(); //目标方法名称
if(destMethodName.startsWith("set") && destMethodName.substring(3, destMethodName.length()).equals(srcMethodName.substring(3, srcMethodName.length())))
{
dm.invoke(destination, getValue);
}
}
}
catch (Exception e)
{
}
}
}
}
public static <S, T> List<T> mappingList(List<S> src, List<T> target, Class<?> targetClass)
{
for(int i = 0; i < src.size(); i++)
{
try
{
Object object = targetClass.newInstance();
target.add((T) object);
mapping(src.get(i), object);
}
catch (Exception e)
{
continue;// 某个方法反射异常
}
}
return target;
}
}
映射实体：
PersonDto p = personDtoList.get(j); //DTO
Person personInfo = new Person(); //POJO
AutoMapper.mapping(p, qInfo);//将DTO实体类的值映射到POJO上去(字段一致的才会)
映射集合：
List<Person> pList = new ArrayList<Person>(); //POJO List
AutoMapper.mappingList(q.getOptions(), pList, Person.class); //将DTO List 映射到 POJO List options为List<PersonDto>
