Java tutorial
/* * Copyright (c) 2016 yunmle.com(?). * * Licensed under the Apache License, Version 2.0 (the "License"); */ package com.yunmel.syncretic.utils.biz; import java.util.Map; import com.google.common.collect.Maps; /** * * @description ??? * * @author xuyq - chainisit@126.com * @since 1.0 - 2016715 */ public class DealParamUtil { private final static int PAGE_NUM = 1; // ? private final static int PAGE_SIZE = 20; // ?? private final static String PAGE_NUM_STR = "pageNum"; private final static String PAGE_SIZE_STR = "pageSize"; /** * ?? * * @param params * @return */ public final static Map<String, Object> dealParam(Map<String, Object> params) { if (null != params) { if (!params.containsKey(PAGE_NUM_STR)) { params.put(PAGE_NUM_STR, PAGE_NUM); } if (!params.containsKey(PAGE_SIZE_STR)) { params.put(PAGE_SIZE_STR, PAGE_SIZE); } } else { params = Maps.newHashMap(); params.put(PAGE_NUM_STR, PAGE_NUM); params.put(PAGE_SIZE_STR, PAGE_SIZE); } return params; } }