crmeb_java/crmeb/src/main/java/com/utils/UrlUtil.java

package com.utils;

import java.util.HashMap;
import java.util.Map;

/**
 * url 工具类
 */
public class UrlUtil {
    public static class UrlEntity {
        /**
         * 基础url
         */
        public String baseUrl;
        /**
         * url参数
         */
        public Map<String, String> params;
    }

    /**
     * 解析url
     *
     * @param url
     * @return
     */
    public static UrlEntity parse(String url) {
        UrlEntity entity = new UrlEntity();
        if (url == null) {
            return entity;
        }
        url = url.trim();
        if (url.equals("")) {
            return entity;
        }
        String[] urlParts = url.split("\\?");
        entity.baseUrl = urlParts[0];
        //没有参数
        if (urlParts.length == 1) {
            return entity;
        }
        //有参数
        String[] params = urlParts[1].split("&");
        entity.params = new HashMap<>();
        for (String param : params) {
            String[] keyValue = param.split("=");
            entity.params.put(keyValue[0], keyValue[1]);
        }

        return entity;
    }

    public static String getParamsByKey(String url,String key){
        UrlEntity entity = parse(url);
        return entity.params.get(key);
    }

    /**
     * 测试
     *
     * @param args
     */
    public static void main(String[] args) {
        UrlEntity entity = parse(null);
        entity = parse("http://www.123.com?id=1&name=小明");
        System.out.println(entity.baseUrl + "\n" + entity.params);
        System.out.println(entity.params.get("id"));
    }
}