src/main/java/com/ruoyi/common/utils/MapDataUtil.java

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package com.ruoyi.common.utils;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import javax.servlet.http.HttpServletRequest;

/**
 * Map通用处理方法
 * 
 * @author ruoyi
 */
public class MapDataUtil
{
    public static Map<String, Object> convertDataMap(HttpServletRequest request)
    {
        Map<String, String[]> properties = request.getParameterMap();
        Map<String, Object> returnMap = new HashMap<String, Object>();
        Iterator<?> entries = properties.entrySet().iterator();
        Map.Entry<?, ?> entry;
        String name = "";
        String value = "";
        while (entries.hasNext())
        {
            entry = (Entry<?, ?>) entries.next();
            name = (String) entry.getKey();
            Object valueObj = entry.getValue();
            if (null == valueObj)
            {
                value = "";
            }
            else if (valueObj instanceof String[])
            {
                String[] values = (String[]) valueObj;
                value = "";
                for (int i = 0; i < values.length; i++)
                {
                    value += values[i] + ",";
                }
                if (value.length() > 0)
                {
                    value = value.substring(0, value.length() - 1);
                }
            }
            else
            {
                value = valueObj.toString();
            }
            returnMap.put(name, value);
        }
        return returnMap;
    }
}