public class UrlParamAnalysis {
	/**
	 * 解析出url請求的路徑，包括頁面
	 * 
	 * @param strURL url地址
	 * @return url路徑
	 */
	public static String UrlPage(String strURL) {
		String strPage = null;
		String[] arrSplit = null;
		strURL = strURL.trim().toLowerCase();
		arrSplit = strURL.split("[?]");
		if (strURL.length() > 0) {
			if (arrSplit.length > 1) {
				if (arrSplit[0] != null) {
					strPage = arrSplit[0];
				}
			}
		}
		return strPage;
	}
	/**
	 * 去掉url中的路徑，留下請求參數(shù)部分
	 * 
	 * @param strURL url地址
	 * @return url請求參數(shù)部分
	 */
	private static String TruncateUrlPage(String strURL) {
		String strAllParam = null;
		String[] arrSplit = null;
		arrSplit = strURL.split("[?]");
		if (strURL.length() > 1) {
			if (arrSplit.length > 1) {
				if (arrSplit[1] != null) {
					strAllParam = arrSplit[1];
				}
			}
		}
		return strAllParam;
	}
	public static Map<String, String> uRLRequest2(String URL) {
		Map<String, String> mapRequest = new HashMap<String, String>();
		String[] arrSplit = null;
		String strUrlParam = TruncateUrlPage(URL);
		if (strUrlParam == null) {
			return mapRequest;
		}
		// 每個鍵值為一組
		arrSplit = strUrlParam.split("[&]");
		for (String strSplit : arrSplit) {
			String[] arrSplitEqual = null;
			arrSplitEqual = strSplit.split("[=]", 2);
			// 解析出鍵值
			if (arrSplitEqual.length > 1) {
				// 正確解析
				mapRequest.put(arrSplitEqual[0], arrSplitEqual[1]);
			} else {
				if (arrSplitEqual[0] != "") {
					// 只有參數(shù)沒有值，不加入
					mapRequest.put(arrSplitEqual[0], "");
				}
			}
		}
		return mapRequest;
	}
}

public class UrlParamAnalysisTest {
    public static void main(String[] args) {
        String url = "http://www.baidu.com?aa=q1222===&bb=pojwqde=&cc=vseefa=a=a";
        Map<String, String> stringStringMap = UrlParamAnalysis.uRLRequest2(url);
        System.out.println(JSON.toJSONString(stringStringMap));
// 如果需要解析想直接用的話，前面必須有? ,或者自己改造下方法
        String baseUrl = "?data=vz9I/ZVKD+2h1lVBEXEeWCOCeSAmg2QhuRh5eChw==&partnerId=HSYC001&salt=/+9hPX5QSRl++Z2n9X5p7e==&sign=c/==&timestamp=1685072690578";
        Map<String, String> stringStringMap2 = UrlParamAnalysis.uRLRequest2(baseUrl);
        System.out.println(JSON.toJSONString(stringStringMap2));
    }
}