微信 统一下单支付 服务器代码和js代码
*
* 类名称：WeixinController.java 类描述： 微信公共平台开发
*
* @version 1.0
*/
@Controller
@RequestMapping(value = "/pay")
public class WeixinPayController extends BaseController
{
// 应用ID
private static final String APPID = PropertiesFileLoader.getInstance().getProerties("pay.properties", "appid");
// 应用密钥
private static final String APPSECRET = PropertiesFileLoader.getInstance().getProerties("pay.properties", "appsecret");
// 商户号
private static final String PARTNER = PropertiesFileLoader.getInstance().getProerties("pay.properties", "partner");
// 商户登陆密码
private static final String PARTNERKEY = PropertiesFileLoader.getInstance().getProerties("pay.properties", "partnerkey");
// 支付验证秘钥
private static final String KEY = PropertiesFileLoader.getInstance().getProerties("pay.properties", "key");
/**
* 接口支付总入口
*
* @param out
* @param request
* @param response
* @throws Exception
*/
@RequestMapping(value = "/toPay")
@ResponseBody
public void index(HttpServletRequest request, HttpServletResponse response) throws Exception
{
TbOrderM bOrderM = RequestUtils.getParamBean(request, TbOrderM.class);
String backUri = "http://weixin.collegecircle.cn/zsxy/pay/topayServlet.do";
// 授权后要跳转的链接所需的参数一般有会员号，金额，订单号之类，
// 最好自己带上一个加密字符串将金额加上一个自定义的key用MD5签名或者自己写的签名,
// 比如 Sign = %3D%2F%CS%
backUri = backUri + "?userId=" + userId + "&orderNo=" + orderNo + "&describe=" + describe + "&money=" + money;
System.out.println("backUri:"+backUri);
// URLEncoder.encode 后可以在backUri 的url里面获取传递的所有参数
backUri = URLEncoder.encode(backUri);
// scope 参数视各自需求而定，这里用scope=snsapi_base 不弹出授权页面直接授权目的只获取统一支付接口的openid
String url = "https://open.weixin.qq.com/connect/oauth2/authorize?" + "appid=" + APPID + "&redirect_uri=" + backUri + "&response_type=code&scope=snsapi_base& state=123#wechat_redirect";
System.out.println("去 TopayServlet" + url);
response.sendRedirect(url);
}
@RequestMapping(value = "/topayServlet")
@ResponseBody
public ModelAndView topayServlet(HttpServletRequest request, HttpServletResponse response) throws Exception
{
System.out.println("TopayServlet进来了-----");
ModelAndView mv = new ModelAndView("pay/pay");
// 网页授权后获取传递的参数
String userId = request.getParameter("userId");
String orderNo = request.getParameter("orderNo");
String money = request.getParameter("money");
String code = request.getParameter("code");
// 传过来的金额为元单位的小数，需转换为分单位
String finalmoney = money;
// 商户相关资料
String key = KEY;
String appid = APPID;
String appsecret = APPSECRET;
String partner = PARTNER;
String partnerkey = PARTNERKEY;
String openId = "";
String URL = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=" + appid + "&secret=" + appsecret + "&code=" + code + "&grant_type=authorization_code";
HttpResponse temp = HttpConnect.getInstance().doGetStr(URL);
String tempValue = "";
if (temp == null)
{
mv.setViewName("pay/error");
}
else
{
try
{
tempValue = temp.getStringResult();
}
catch (Exception e)
{
e.printStackTrace();
}
JSONObject jsonObj = JSONObject.fromObject(tempValue);
if (jsonObj.containsKey("errcode"))
{
System.out.println(tempValue);
mv.setViewName("pay/error");
}
openId = jsonObj.getString("openid");
}
// 获取openId后调用统一支付接口https://api.mch.weixin.qq.com/pay/unifiedorder
String currTime = TenpayUtil.getCurrTime();
// 8位日期
String strTime = currTime.substring(8, currTime.length());
// 四位随机数
String strRandom = TenpayUtil.buildRandom(4) + "";
// 10位序列号,可以自行调整。
String strReq = strTime + strRandom;
// 商户号
String mch_id = partner;
// 子商户号 非必输
// String sub_mch_id="";
// 设备号 非必输
String device_info = "";
// 随机数
String nonce_str = strReq;
// 商品描述
// String body = describe;
// 商品描述根据情况修改
String body = "美食";
// 附加数据,原样返回
String attach = userId;
// 商户订单号
String out_trade_no = orderNo;
int intMoney = Integer.parseInt(finalmoney);
// 总金额以分为单位，不带小数点
int total_fee = intMoney;
// 订单生成的机器 IP
String spbill_create_ip = request.getRemoteAddr();
// 订 单 生 成 时 间 非必输
// String time_start ="";
// 订单失效时间 非必输
// String time_expire = "";
// 商品标记 非必输
// String goods_tag = "";
// 这里notify_url是 支付完成后微信发给该链接信息，可以判断会员是否支付成功，改变订单状态等。
String notify_url = "http://weixin.collegecircle.cn/";
String trade_type = "JSAPI";
String openid = openId;
System.out.println("-----------------openid-----------" + openId);
// 非必输
// String product_id = "";
SortedMap
packageParams.put("appid", appid);
packageParams.put("mch_id", mch_id);
packageParams.put("nonce_str", nonce_str);
packageParams.put("body", body);
packageParams.put("attach", attach);
packageParams.put("out_trade_no", out_trade_no);
// 这里写的金额为1 分到时修改
// packageParams.put("total_fee", "1");
packageParams.put("total_fee", finalmoney);
packageParams.put("spbill_create_ip", spbill_create_ip);
packageParams.put("notify_url", notify_url);
packageParams.put("trade_type", trade_type);
packageParams.put("openid", openid);
packageParams.put("key", key);
RequestHandler reqHandler = new RequestHandler(request, response);
reqHandler.init(appid, appsecret, partnerkey);
String sign = reqHandler.createSign(packageParams);
String xml = "
+ "
+
// 金额
"
+ trade_type + "
System.out.println(xml);
String allParameters = "";
try
{
allParameters = reqHandler.genPackage(packageParams);
}
catch (Exception e)
{
e.printStackTrace();
}
String createOrderURL = "https://api.mch.weixin.qq.com/pay/unifiedorder";
String prepay_id = "";
try
{
new GetWxOrderno();
prepay_id = GetWxOrderno.getPayNo(createOrderURL, xml);
System.err.println("prepay_id:" + prepay_id);
if (prepay_id.equals(""))
{
request.setAttribute("ErrorMsg", "统一支付接口获取预支付订单出错");
mv.setViewName("pay/error");
}
}
catch (Exception e1)
{
e1.printStackTrace();
}
SortedMap
String appid2 = appid;
String timestamp = Sha1Util.getTimeStamp();
String nonceStr2 = nonce_str;
String prepay_id2 = "prepay_id=" + prepay_id;
String packages = prepay_id2;
finalpackage.put("appId", appid2);
finalpackage.put("timeStamp", timestamp);
finalpackage.put("nonceStr", nonceStr2);
finalpackage.put("package", packages);
finalpackage.put("signType", "MD5");
finalpackage.put("key", key);
String finalsign = reqHandler.createSign(finalpackage);
mv.addObject("appid", appid2);
mv.addObject("timeStamp", timestamp);
mv.addObject("nonceStr", nonceStr2);
mv.addObject("packages", packages);
mv.addObject("sign", finalsign);
mv.addObject("appid", appid2);
System.out.println("完事了" + finalsign);
return mv;
}
}
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TenpayUtil.java
package com.project.wx.util;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class TenpayUtil {
private static Object Server;
private static String QRfromGoogle;
/**
* 把对象转换成字符串
* @param obj
* @return String 转换成字符串,若对象为null,则返回空字符串.
*/
public static String toString(Object obj) {
if(obj == null)
return "";
return obj.toString();
}
/**
* 把对象转换为int数值.
*
* @param obj
* 包含数字的对象.
* @return int 转换后的数值,对不能转换的对象返回0。
*/
public static int toInt(Object obj) {
int a = 0;
try {
if (obj != null)
a = Integer.parseInt(obj.toString());
} catch (Exception e) {
}
return a;
}
/**
* 获取当前时间 yyyyMMddHHmmss
* @return String
*/
public static String getCurrTime() {
Date now = new Date();
SimpleDateFormat outFormat = new SimpleDateFormat("yyyyMMddHHmmss");
String s = outFormat.format(now);
return s;
}
/**
* 获取当前日期 yyyyMMdd
* @param date
* @return String
*/
public static String formatDate(Date date) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");
String strDate = formatter.format(date);
return strDate;
}
/**
* 取出一个指定长度大小的随机正整数.
*
* @param length
* int 设定所取出随机数的长度。length小于11
* @return int 返回生成的随机数。
*/
public static int buildRandom(int length) {
int num = 1;
double random = Math.random();
if (random < 0.1) {
random = random + 0.1;
}
for (int i = 0; i < length; i++) {
num = num * 10;
}
return (int) ((random * num));
}
/**
* 获取编码字符集
* @param request
* @param response
* @return String
*/
public static String getCharacterEncoding(HttpServletRequest request,
HttpServletResponse response) {
if(null == request || null == response) {
return "gbk";
}
String enc = request.getCharacterEncoding();
if(null == enc || "".equals(enc)) {
enc = response.getCharacterEncoding();
}
if(null == enc || "".equals(enc)) {
enc = "gbk";
}
return enc;
}
public static String URLencode(String content){
String URLencode;
URLencode= replace(Server.equals(content), "+", "%20");
return URLencode;
}
private static String replace(boolean equals, String string, String string2) {
return null;
}
/**
* 获取unix时间，从1970-01-01 00:00:00开始的秒数
* @param date
* @return long
*/
public static long getUnixTime(Date date) {
if( null == date ) {
return 0;
}
return date.getTime()/1000;
}
public static String QRfromGoogle(String chl)
{
int widhtHeight = 300;
String EC_level = "L";
int margin = 0;
String QRfromGoogle;
chl = URLencode(chl);
QRfromGoogle = "http://chart.apis.google.com/chart?chs=" + widhtHeight + "x" + widhtHeight + "&cht=qr&chld=" + EC_level + "|" + margin + "&chl=" + chl;
return QRfromGoogle;
}
/**
* 时间转换成字符串
* @param date 时间
* @param formatType 格式化类型
* @return String
*/
public static String date2String(Date date, String formatType) {
SimpleDateFormat sdf = new SimpleDateFormat(formatType);
return sdf.format(date);
}
}
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GetWxOrderno.java
package com.project.wx.util;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.params.ClientPNames;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.input.SAXBuilder;
public class GetWxOrderno
{
public static DefaultHttpClient httpclient;
static
{
httpclient = new DefaultHttpClient();
httpclient = (DefaultHttpClient)HttpClientConnectionManager.getSSLInstance(httpclient);
}
public static String getPayNo(String url,String xmlParam){
System.out.println("获取订单号"+url);
System.out.println("获取订单号"+xmlParam);
DefaultHttpClient client = new DefaultHttpClient();
client.getParams().setParameter(ClientPNames.ALLOW_CIRCULAR_REDIRECTS, true);
HttpPost httpost= HttpClientConnectionManager.getPostMethod(url);
String prepay_id = "";
try {
httpost.setEntity(new StringEntity(xmlParam, "UTF-8"));
HttpResponse response = httpclient.execute(httpost);
String jsonStr = EntityUtils.toString(response.getEntity(), "UTF-8");
System.out.println("jsonStr----"+jsonStr);
if(jsonStr.indexOf("FAIL")!=-1){
return prepay_id;
}
Map map = doXMLParse(jsonStr);
String return_code = (String) map.get("return_code");
prepay_id = (String) map.get("prepay_id");
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println("prepay_id-----------------"+prepay_id);
return prepay_id;
}
/**
* 解析xml,返回第一级元素键值对。如果第一级元素有子节点，则此节点的值是子节点的xml数据。
* @param strxml
* @return
* @throws JDOMException
* @throws IOException
*/
public static Map doXMLParse(String strxml) throws Exception {
if(null == strxml || "".equals(strxml)) {
return null;
}
Map m = new HashMap();
InputStream in = String2Inputstream(strxml);
SAXBuilder builder = new SAXBuilder();
Document doc = builder.build(in);
Element root = doc.getRootElement();
List list = root.getChildren();
Iterator it = list.iterator();
while(it.hasNext()) {
Element e = (Element) it.next();
String k = e.getName();
String v = "";
List children = e.getChildren();
if(children.isEmpty()) {
v = e.getTextNormalize();
} else {
v = getChildrenText(children);
}
m.put(k, v);
}
//关闭流
in.close();
return m;
}
/**
* 获取子结点的xml
* @param children
* @return String
*/
public static String getChildrenText(List children) {
StringBuffer sb = new StringBuffer();
if(!children.isEmpty()) {
Iterator it = children.iterator();
while(it.hasNext()) {
Element e = (Element) it.next();
String name = e.getName();
String value = e.getTextNormalize();
List list = e.getChildren();
sb.append("<" + name + ">");
if(!list.isEmpty()) {
sb.append(getChildrenText(list));
}
sb.append(value);
sb.append("");
}
}
return sb.toString();
}
public static InputStream String2Inputstream(String str) {
return new ByteArrayInputStream(str.getBytes());
}
}
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
HttpClientConnectionManager.java
package com.project.wx.util;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.impl.client.DefaultHttpClient;
public class HttpClientConnectionManager {
/**
* 获取SSL验证的HttpClient
* @param httpClient
* @return
*/
public static HttpClient getSSLInstance(HttpClient httpClient){
ClientConnectionManager ccm = httpClient.getConnectionManager();
SchemeRegistry sr = ccm.getSchemeRegistry();
sr.register(new Scheme("https", MySSLSocketFactory.getInstance(), 443));
httpClient = new DefaultHttpClient(ccm, httpClient.getParams());
return httpClient;
}
/**
* 模拟浏览器post提交
*
* @param url
* @return
*/
public static HttpPost getPostMethod(String url) {
HttpPost pmethod = new HttpPost(url); // 设置响应头信息
pmethod.addHeader("Connection", "keep-alive");
pmethod.addHeader("Accept", "*/*");
pmethod.addHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
pmethod.addHeader("Host", "api.mch.weixin.qq.com");
pmethod.addHeader("X-Requested-With", "XMLHttpRequest");
pmethod.addHeader("Cache-Control", "max-age=0");
pmethod.addHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0) ");
return pmethod;
}
/**
* 模拟浏览器GET提交
* @param url
* @return
*/
public static HttpGet getGetMethod(String url) {
HttpGet pmethod = new HttpGet(url);
// 设置响应头信息
pmethod.addHeader("Connection", "keep-alive");
pmethod.addHeader("Cache-Control", "max-age=0");
pmethod.addHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0) ");
pmethod.addHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/;q=0.8");
return pmethod;
}
}
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pay.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
οnclick="callpay()">