AlipayService.java

package com.jshoperx.action.backstage.pay.thirdpartyplatform.alipay;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;



public class AlipayService {
	
	public static String BuildForm(String partner,
			String seller_email,
			String return_url,
			String notify_url,
			String show_url,
			String out_trade_no,
			String subject,
			String body,
			String price,
			String logistics_fee,
			String logistics_type,
			String logistics_payment,
			String quantity,
			String receive_name,
			String receive_address,
			String receive_zip,
            String receive_phone,
            String receive_mobile,
            String logistics_fee_1,
            String logistics_type_1,
            String logistics_payment_1,
            String logistics_fee_2,
            String logistics_type_2,
            String logistics_payment_2,
            String buyer_email,
            String discount,
            String input_charset,
            String key,
            String sign_type){
		Map sPara = new HashMap();
		sPara.put("service","trade_create_by_buyer");
		sPara.put("payment_type","1");
		sPara.put("partner", partner);
		sPara.put("seller_email", seller_email);
		sPara.put("return_url", return_url);
		sPara.put("notify_url", notify_url);
		sPara.put("_input_charset", input_charset);
		sPara.put("show_url", show_url);
		sPara.put("out_trade_no", out_trade_no);
		sPara.put("subject", subject);
		sPara.put("body", body);
		sPara.put("price", price);
		sPara.put("logistics_fee", logistics_fee);
		sPara.put("logistics_type", logistics_type);
		sPara.put("logistics_payment", logistics_payment);
		sPara.put("quantity", quantity);
		sPara.put("receive_name", receive_name);
		sPara.put("receive_address", receive_address);
		sPara.put("receive_zip", receive_zip);
		sPara.put("receive_phone", receive_phone);
		sPara.put("receive_mobile", receive_mobile);
		sPara.put("logistics_fee_1", logistics_fee_1);
		sPara.put("logistics_type_1", logistics_type_1);
		sPara.put("logistics_payment_1", logistics_payment_1);
		sPara.put("logistics_fee_2", logistics_fee_2);
		sPara.put("logistics_type_2", logistics_type_2);
		sPara.put("logistics_payment_2", logistics_payment_2);
		sPara.put("buyer_email", buyer_email);
		sPara.put("discount", discount);
		
		Map sParaNew = AlipayFunction.ParaFilter(sPara);
		String mysign = AlipayFunction.BuildMysign(sParaNew, key);
		
		StringBuffer sbHtml = new StringBuffer();
		List keys = new ArrayList(sParaNew.keySet());
		String gateway = "https://www.alipay.com/cooperate/gateway.do?";
		
		
		sbHtml.append("<form id=\"alipaysubmit\" name=\"alipaysubmit\" action=\"" + gateway + "_input_charset=" + input_charset + "\" method=\"get\">");
		
		for (int i = 0; i < keys.size(); i++) {
			String name = (String) keys.get(i);
			String value = (String) sParaNew.get(name);
			
			sbHtml.append("<input type=\"hidden\" name=\"" + name + "\" value=\"" + value + "\"/>");
		}
        sbHtml.append("<input type=\"hidden\" name=\"sign\" value=\"" + mysign + "\"/>");
        sbHtml.append("<input type=\"hidden\" name=\"sign_type\" value=\"" + sign_type + "\"/>");
        
       
        sbHtml.append("<input type=\"submit\" value=\"֧����ȷ�ϸ���\"></form>");
		
        sbHtml.append("<script>document.forms['alipaysubmit'].submit();</script>");
        
		return sbHtml.toString();
	}
}