fuint-framework/fuint-base/src/main/java/com/fuint/base/util/RequestHandler.java

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/**
 * fuint.cn Inc.
 * Copyright (c) 2019-2022 All Rights Reserved.
 */
package com.fuint.base.util;

import com.fuint.base.dao.pagination.PaginationRequest;
import com.fuint.exception.BusinessRuntimeException;
import com.fuint.util.DateUtil;
import com.fuint.util.StringUtil;
import org.slf4j.Logger;
import org.springframework.ui.Model;
import org.springframework.web.servlet.support.RequestContextUtils;
import javax.servlet.http.HttpServletRequest;
import java.lang.reflect.Field;
import java.math.BigDecimal;
import java.util.*;

/**
 * 用户请求处理类
 *
 * @author fsq
 * @version $Id: RequestHandler.java
 */
public class RequestHandler {

    private static final Logger logger = org.slf4j.LoggerFactory.getLogger(RequestHandler.class);
    /**
     * 当前页码
     */
    private static final String CURRENT_PAGE = "current_page";
    /**
     * 每页大小
     */
    private static final String PAGE_SIZE = "page_size";
    /**
     * 默认页码
     */
    private static final int DEFAULT_PAGE_NUM = 1;
    /**
     * 默认每页大小
     */
    private static final int DEFAULT_PAGE_SIZE = 10;
    /**
     * 查询标签
     */
    private static final String[] QUERY_TAG = {"EQ_", "LIKE_", "GT_", "LT_", "GTE_",
            "LTE_","NQ_"};

    /**
     *  构建分页对象
     *
     * @param request Http Request 请求
     * @return 分页请求对象
     */
    public static PaginationRequest buildPaginationRequest(final HttpServletRequest request,
                                                           final Model model) {
        PaginationRequest paginationRequest = new PaginationRequest();
        String currentPage = (StringUtil.equals("",request.getParameter(CURRENT_PAGE))||StringUtil.equals("null",request.getParameter(CURRENT_PAGE)))?"1":request.getParameter(CURRENT_PAGE);
        String pageSize = request.getParameter(PAGE_SIZE);