# Convert

By [JinJu’s road](https://paragraph.com/@myjinju) · 2022-01-19

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     private static <T> T convert(ResultSet set, Class<T> clazz) {
            try {
                Constructor<T> constructor = clazz.getConstructor
                        (clazz.getConstructors()[0].getParameterTypes());
                Class<?>[] param = constructor.getParameterTypes();
                Object[] objects = new Object[param.length];
                for (int i = 0; i < param.length; i++) {
                    objects[i] = set.getObject(i + 1);
                    if (objects[i].getClass() != param[i]) {
                        throw new SQLException("错误类型转换");
                    }
                }
                return constructor.newInstance(objects);
            } catch (ReflectiveOperationException | SQLException e) {
                e.printStackTrace();
                return null;
            }
        }

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*Originally published on [JinJu’s road](https://paragraph.com/@myjinju/convert)*