java动态bean_Java动态Bean

packagecom.xxx.bean.entity;importcom.xxx.base.common.exception.BaseException;importorg.springframework.cglib.beans.BeanGenerator;importorg.springframework.cglib.beans.BeanMap;importjava.lang.reflect.Field;importjava.util.HashMap;importjava.util.Map;/*** Created by xxxtech on 2020/4/23.*/

public classDynamicBean {/*** 目标对象*/

privateObject target;/*** 属性集合*/

privateBeanMap beanMap;/*** propertyMap: 属性名称和所属类型map*/

private MappropertyMap;public DynamicBean(Class superclass, MappropertyMap) {this.target =generateBean(superclass, propertyMap);this.beanMap = BeanMap.create(this.target);

}/*** bean 添加属性和值

*

*@paramproperty

*@paramvalue*/

public voidsetValue(String property, Object value) {

beanMap.put(property, value);

}/*** 获取属性值

*

*@paramproperty

*@return

*/

publicObject getValue(String property) {returnbeanMap.get(property);

}/*** 获取对象

*

*@return

*/

publicObject getTarget() {return this.target;

}/*** 根据属性生成对象

*

*@paramsuperclass

*@parampropertyMap

*@return

*/

private Object generateBean(Class superclass, MappropertyMap) {

BeanGenerator generator= newBeanGenerator();if (superclass != null) {

generator.setSuperclass(superclass);

}this.propertyMap =propertyMap;

BeanGenerator.addProperties(generator, propertyMap);returngenerator.create();

}/****/

public DynamicBean addPropertyToDyBean(T vo) throwsBaseException {try{

Field[] arr=vo.getClass().getDeclaredFields();

Map propertyMap = new HashMap<>();if (this.propertyMap != null && !this.propertyMap.isEmpty())

propertyMap.putAll(this.propertyMap);for(Field field : arr)

propertyMap.put(field.getName(), field.getType());

DynamicBean dyBean= newDynamicBean(vo.getClass(), propertyMap);

beanMap.forEach((k, v)->{

dyBean.setValue(k.toString(), v);

});for(Field field : arr)

dyBean.setValue(field.getName(), com.xxx.bean.util.ReflectionUtils.invokeGetter(vo, field.getName()));returndyBean;

}catch(Exception ex) {throw newBaseException(ex.getMessage(), ex);

}

}

}