从URL查询字符串中提取映射。

import java.util.Arrays;

import java.util.Collection;

import java.util.HashMap;
/*来自 
 时   代    Java - nowjava.com*/

import java.util.HashSet;

import java.util.Map;

import java.util.Properties;

import java.util.Set;

import java.util.TreeSet;


public class Main{

    public static void main(String[] argv) throws Exception{

        String query = "nowjava.com";

        System.out.println(extractMap(query));

    }

    /**

     * Extract a map from a query string.

     * 

     * @param query a query (or fragment) string from a URI

     * @return a Map of the values in the query

     */

    public static Map<String, String> extractMap(String query) {

        Map<String, String> map = new HashMap<String, String>();

        Properties properties = StringUtils/**from 时代Java - N o w  J a v a . c o m**/

                .splitArrayElementsIntoProperties(

                        StringUtils.delimitedListToStringArray(query, "&"),