获取字段的类型。

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//package com.nowjava;
/** nowjava - 时  代  Java 提 供 **/

import java.lang.reflect.Field;

import java.lang.reflect.ParameterizedType;


import java.util.Collection;


public class Main {

    /**

     * Get the type of the field. For arrays and collections the type of the array or collection is returned.

     *

     * @param field field for which the type is extracted

     * @return type of the field (also for arrays or collections)

     */

    public static Class<?> getFieldType(Field field) {

        if (field.getType().isArray()

                || Collection.class.isAssignableFrom(field.getType())) {