今天继续整一个支持其他类型的
代码语言：javascript复制@Data
public static class User {
private String name;
}
@Data
public static class Person {
private String name;
}
@Test
void testCopyProperties() {
User source = new User() {{
setName("test");
}};
Person target = BeanHelper.copyProperties(source, Person.class);
Assertions.assertEquals(source.getName(), target.getName());
}源码如下：
代码语言：javascript复制/**
* 拷贝属性
*
* @param source 源对象
* @param target 目标对象
* @param <T> 对象类型
*/
public static <T, R> R copyProperties(T source, R target) {
if (Objects.isNull(source) || Objects.isNull(target)) {
return target;
}
Class<T> sourceType = SerFunc.<Class<?>, Class<T>>cast().apply(source.getClass());
Map<String, Map.Entry<SerFunc<T, Object>, SerBiCons<T, Object>>> sourcePropertyGetterSetterMap =
LambdaHelper.getPropertyGetterSetterMap(sourceType);
Class<R> targetType = SerFunc.<Class<?>, Class<R>>cast().apply(target.getClass());
Map<String, Map.Entry<SerFunc<R, Object>, SerBiCons<R, Object>>> targetPropertyGetterSetterMap =
LambdaHelper.getPropertyGetterSetterMap(targetType);
sourcePropertyGetterSetterMap.forEach(
(property, sourceGetterSetter) -> {
Map.Entry<SerFunc<R, Object>, SerBiCons<R, Object>> targetGetterSetter =
targetPropertyGetterSetterMap.get(property);
if (Objects.isNull(targetGetterSetter)) {
return;
}
SerFunc<T, Object> sourceGetter = sourceGetterSetter.getKey();
SerFunc<R, Object> targetGetter = targetGetterSetter.getKey();
LambdaExecutable sourceGetterLambda = LambdaHelper.resolve(sourceGetter);
LambdaExecutable targetGetterLambda = LambdaHelper.resolve(targetGetter);
if (!Opp.of(sourceGetterLambda.getReturnType())
.map(Type::getTypeName)
.equals(Opp.of(targetGetterLambda.getReturnType()).map(Type::getTypeName))) {
return;
}
targetGetterSetter.getValue().accept(target, sourceGetter.apply(source));
});
return target;
}
public static <T, R> R copyProperties(T source, Class<R> targetType) {
R target = ReflectHelper.newInstance(targetType);
if (Objects.isNull(source)) {
return target;
}
return copyProperties(source, target);
}非常的好用
