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jsp 微信支付Demo

java

2020-8-11

/**
 * 微信公众平台开发模式(JAVA) SDK
 * (c) 2012-2013 ____′↘夏悸 <wmails@126.cn>, MIT Licensed
 * http://www.jeasyuicn.com/wechat
 */
package com.gson.web;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang.RandomStringUtils;
import org.apache.commons.lang.StringUtils;

import com.gson.WeChat;
import com.gson.oauth.Pay;
import com.gson.util.ConfKit;

/**
 * 示例部分请根据自己实际情况修改
 * @author L.cm
 * email: 596392912@qq.com
 * site:  http://www.dreamlu.net
 * @date 2014-4-23 上午10:10:36
 */
public class WeChatPayServlet extends HttpServlet {

	private static final long serialVersionUID = 4638321491356022766L;

	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		doPost(req, resp);
	}

	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		// 判断是否微信环境, 5.0 之后的支持微信支付
		boolean isweixin = WeChat.isWeiXin(req);
		if (isweixin) {
			String productName = "测试商品001";
			String total_fee   = "100";
			String orderid     = "123456";
			
			// package 参数------------------------------  //
			Map<String, String> params = new HashMap<String, String>();
			// 对商品名截取, 去除空格 
			productName = productName.replaceAll(" ", "");
			productName = productName.length() > 17 ? productName.substring(0, 17)   "..." : productName;

			params.put("body", productName);	//商品描述。
			params.put("total_fee", total_fee);	//订单总金额
			params.put("fee_type", "1");	//现金支付币种,取值: 1 (人民币)
			params.put("out_trade_no", orderid); //商户系统内部的订单号
			params.put("spbill_create_ip", getIp(req)); // ip
			// 参数
			String timeStamp = System.currentTimeMillis()   "";
			
			String nonceStr = RandomStringUtils.random(8, "123456789"); // 8位随机数
			String packagestring = Pay.getPackage(params); //对参数打包
			String paySign = Pay.paySign(timeStamp, nonceStr, packagestring); // 构造签名
			
			// appId
			req.setAttribute("appid", ConfKit.get("AppId"));
			// timeStamp
			req.setAttribute("timeStamp", timeStamp);
			// nonceStr
			req.setAttribute("nonceStr", nonceStr);
			// package
			req.setAttribute("package", packagestring);
			// paySign
			req.setAttribute("paySign", paySign);
			// 判定微信
			req.setAttribute("isweixin", 1);
			req.getRequestDispatcher("/pay.jsp").forward(req, resp);
		} else {
			resp.sendRedirect("/index.jsp");
		}
	}
		
	/**
	 * 获取ip
	 * @param request
	 * @return
	 */
	public static String getIp(HttpServletRequest request) {
		if (request == null)
			return "";
		String ip = request.getHeader("X-Requested-For");
		if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getHeader("X-Forwarded-For");
		}
		if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getHeader("Proxy-Client-IP");
		}
		if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getHeader("WL-Proxy-Client-IP");
		}
		if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getHeader("HTTP_CLIENT_IP");
		}
		if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getHeader("HTTP_X_FORWARDED_FOR");
		}
		if (StringUtils.isEmpty(ip) || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getRemoteAddr();
		}
		return ip;
	}
}

资源下载此资源下载价格为3D币(VIP免费),请先
资源文件列表
wechat/.gitignore , 75
wechat/README.md , 103
wechat/WebRoot/META-INF/MANIFEST.MF , 36
wechat/WebRoot/WEB-INF/.gitignore , 9
wechat/WebRoot/WEB-INF/lib/log4j-adapter-1.0.0.jar , 3490
wechat/WebRoot/WEB-INF/web.xml , 1592
wechat/WebRoot/index.jsp , 722
wechat/WebRoot/js/wexin.js , 3630
wechat/WebRoot/pay.jsp , 1949
wechat/WebRoot/wx_pay.txt , 1370
wechat/dist/wechat-1.0.8.jar , 56693
wechat/dist/wechat-1.0.9.jar , 57327
wechat/dist/wechat-1.1.0.jar , 61374
wechat/lib/README.md , 6
wechat/lib/async-http-client-1.8.13.jar , 530432
wechat/lib/commons-codec-1.9.jar , 263965
wechat/lib/commons-lang-2.6.jar , 284220
wechat/lib/fastjson-1.1.37.jar , 356654
wechat/lib/log4j-1.2.17.jar , 489884
wechat/lib/netty-3.9.2.Final.jar , 1303237
wechat/lib/slf4j-api-1.7.5.jar , 26084
wechat/lib/xmlpull-1.1.3.1.jar , 7188
wechat/lib/xpp3-1.1.4c.jar , 120069
wechat/lib/xpp3_min-1.1.4c.jar , 24956
wechat/lib/xstream-1.4.5.jar , 509027
wechat/license_MIT , 1107
wechat/pom.xml , 3000
wechat/src/com/gson/WeChat.java , 10977
wechat/src/com/gson/WeChatFilter.java , 2633
wechat/src/com/gson/bean/Article.java , 1480
wechat/src/com/gson/bean/Articles.java , 913
wechat/src/com/gson/bean/Attachment.java , 1468
wechat/src/com/gson/bean/InMessage.java , 6211
wechat/src/com/gson/bean/MusicOutMessage.java , 724
wechat/src/com/gson/bean/NewsOutMessage.java , 1495
wechat/src/com/gson/bean/OutMessage.java , 643
wechat/src/com/gson/bean/TemplateData.java , 3545
wechat/src/com/gson/bean/TextOutMessage.java , 667
wechat/src/com/gson/bean/UserInfo.java , 1628
wechat/src/com/gson/bean/WeChatBuyPost.java , 1941
wechat/src/com/gson/bean/WeChatFeedBack.java , 3168
wechat/src/com/gson/inf/DefaultMessageProcessingHandlerImpl.java , 1296
wechat/src/com/gson/inf/MessageProcessingHandler.java , 1731
wechat/src/com/gson/inf/MsgTypes.java , 655
wechat/src/com/gson/inf/SendAllMsgTypes.java , 601
wechat/src/com/gson/oauth/Group.java , 3710
wechat/src/com/gson/oauth/Menu.java , 2506
wechat/src/com/gson/oauth/Message.java , 12148
wechat/src/com/gson/oauth/Oauth.java , 3437
wechat/src/com/gson/oauth/Pay.java , 7427
wechat/src/com/gson/oauth/Qrcod.java , 3271
wechat/src/com/gson/oauth/User.java , 2206
wechat/src/com/gson/util/ConfKit.java , 965
wechat/src/com/gson/util/HttpKit.java , 8065
wechat/src/com/gson/util/JsApiSign.java , 1931
wechat/src/com/gson/util/SHA1.java , 1247
wechat/src/com/gson/util/Status.java , 5066
wechat/src/com/gson/util/Tools.java , 1398
wechat/src/com/gson/util/UploadEntityWriter.java , 1451
wechat/src/com/gson/util/WCryptUtil.java , 11261
wechat/src/com/gson/util/XStreamFactory.java , 1450
wechat/src/com/gson/web/WeChatPayFeedbBackServlet.java , 2013
wechat/src/com/gson/web/WeChatPayNotifyServlet.java , 6743
wechat/src/com/gson/web/WeChatPayServlet.java , 3720
wechat/src/log4j.properties , 230
wechat/src/plugin.properties , 158
wechat/src/wechat.properties , 410
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