import com.jfinal.plugin.activerecord.Model;
import com.jfinal.plugin.activerecord.Record;
import org.apache.commons.beanutils.ConvertUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.beans.BeanInfo;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.util.Map;
public class RecordUtils {
private static final Logger logger = LoggerFactory.getLogger(RecordUtils.class);
/**
* Model 转 Record
* @param
* @return
*/
public static Record converRecord(Model<?> model) {
Record r =new Record();
r.setColumns(model);
return r;
}
/**
* Record 转 任意实例类
* @param
* @param record
* @return
*/
public static <T> T converModel(Class<T> clazz,Record record){
try {
return convertMap(clazz, record.getColumns());
} catch (Exception e) {
logger.error("Record 转 T 异常... ",e);
}
return null;
}
public static <T> T convertMap(Class<T> type, Map<String, Object> map) throws Exception {
T obj = type.newInstance();
// 获取类属性
BeanInfo beanInfo = Introspector.getBeanInfo(type);
// 给 JavaBean 对象的属性赋值
PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
for (int i = 0; i < propertyDescriptors.length; i++) {
PropertyDescriptor descriptor = propertyDescriptors[i];
String propertyName = descriptor.getName();
if (map.containsKey(propertyName)) {
String value = ConvertUtils.convert(map.get(propertyName));
Object[] args = new Object[1];
args[0] = ConvertUtils.convert(value, descriptor.getPropertyType());
descriptor.getWriteMethod().invoke(obj, args);
}
}
return obj;
}
public static void main(String[] args) {
//Model
// Friend friend = new Friend();
// friend.setID(111L);
// friend.setIMAGES("image");
// friend.setMSG("msgsss");
// Record r = converRecord(friend);
// System.out.println(r.getStr("IMAGES"));
//
// Friend friendsss =converModel(Friend.class, r);
// System.out.println(friendsss.getID());
}
}
需要引入org.apache.commons相关依赖