1、获取bean 工具类
package ..........utils;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;
/**
* 获取bean工具类
*/
@Component
public class SpringContectUtil implements ApplicationContextAware {
public static ApplicationContext applicationContext;
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
SpringContectUtil.applicationContext = applicationContext;
}
public static Object getBean(String name) throws BeansException {
return applicationContext.getBean(name);
}
}
2、具体使用
//str 为bean ID (类名首字母小写)
Class<?> tbLoanBill = SpringContectUtil.getBean(str).getClass();
//getLisAccs 为要执行的方法名
Method getLis= tbLoanBill.getDeclaredMethod("getLis", String.class);
//参数1、str 为bean ID (类名首字母小写) ,参数2、方法的参数
List<Object> lis1 = (List<Object>) getLis.invoke(SpringContectUtil.getBean(str), tbLoanInfo.getContractNum());
//list<Object> 转 List<Map>
List<Map<String,Object>> divMap = listTransToMapUtils.listTransToMap(lis1);
3、list<Object> 转 List<Map> 工具类
package ......utils;
import lombok.extern.log4j.Log4j2;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@Log4j2
public class listTransToMapUtils {
public static List<Map<String,Object>> listTransToMap(List<Object> list){
List<Map<String,Object>> maps=new ArrayList<Map<String,Object>>();
for(Object obj:list){
Class c = obj.getClass();
Field[] f = c.getDeclaredFields();
Map<String,Object> map=new HashMap<String, Object>();
for(Field fie : f){
try {
//反射知识
fie.setAccessible(true);//取消语言访问检查
map.put(fie.getName(), fie.get(obj));//获取私有变量值
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
}
//获取父类的私有属性
for(Field fie : c.getSuperclass().getDeclaredFields()){
try {
fie.setAccessible(true);//取消语言访问检查
map.put(fie.getName(), fie.get(obj));//获取私有变量值
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
}
maps.add(map);
}
return maps;
}
}