原生resultSet转bean

package luowuhui.utils;

import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List;

public class CreateBean {

    /**
     * @return
     * @see 返回单个实体对象
     */
    public static <T> T getBean(Class<T> calss, ResultSet resultSet) {
        // TODO Auto-generated method stub
        // 创建对象
        T object = null;
        try {
            object = createBean(calss, resultSet);

        } catch (Exception e) {
            System.out.println("执行CreateBeanImp类getBean方法出现异常");
            System.out.println("=================异常报告=================");
            e.printStackTrace();
            System.out.println("=================end=================");
        }

        return object;
    }

    /**
     * @see 返回实体对象集
     */
    public static <T> List<T> getBeans(Class<T> calss, ResultSet resultSet) {
        List<T> ts = null;
        try {
            ts = new ArrayList<>();
            int i = 0;
            while (resultSet.next()) {
                System.out.println(++i);
                ts.add(createBean(calss, resultSet));
            }
        } catch (Exception e) {
            System.out.println("执行CreateBeanImp类getBean方法出现异常");
            System.out.println("=================异常报告=================");
            e.printStackTrace();
            System.out.println("=================end=================");
        }
        return ts;
    }

    /**
     * @说明 创建实体
     * @param calss
     * @param resultSet
     * @return 实体对象
     * @throws Exception
     *             <p>
     *             创建对象时错误,69行<br>
     *             获取resultSet值错误81行
     *             </p>
     */
    private static <T> T createBean(Class<T> calss, ResultSet resultSet) throws Exception {
        T object = calss.newInstance();
        // 获取字段
        Field[] fields = calss.getDeclaredFields();

        // 遍历fields
        for (Field field : fields) {
            // 获取字段名
            String fieldName = field.getName();
            if (!fieldName.equalsIgnoreCase("serialVersionUID")) {
                // 获取方法名
                String setMethodName = "set" + (char) (fieldName.charAt(0) - 32) + fieldName.substring(1);
                // 获取field类型
                Class type = field.getType();

                Method method = calss.getDeclaredMethod(setMethodName, type);
                Object fieldVlaue = resultSet.getObject(fieldName);
                // System.out.println(setMethodName + ":" + fieldVlaue);
                method.invoke(object, fieldVlaue);
            }

        }
        // System.out.println();
        // System.out.println(object);
        return object;
    }
}