如何使用微信sdk java版

1.首先我們新建一個(gè)Java開發(fā)包WeiXinSDK

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2.包路徑：com.ansitech.weixin.sdk

測(cè)試的前提條件：

假如我的公眾賬號(hào)微信號(hào)為：vzhanqun

我的服務(wù)器地址為：

下面我們需要新建一個(gè)URL的請(qǐng)求地址

我們新建一個(gè)Servlet來驗(yàn)證URL的真實(shí)性，具體接口參考

接入指南

3.新建com.ansitech.weixin.sdk.WeixinUrlFilter.java

這里我們主要是獲取微信服務(wù)器法師的驗(yàn)證信息，具體驗(yàn)證代碼如下

[java] view plain copy print?

package com.ansitech.weixin.sdk;

import com.ansitech.weixin.sdk.util.SHA1;

import java.io.IOException;

import java.util.ArrayList;

import java.util.Collections;

import java.util.Comparator;

import java.util.List;

import javax.servlet.Filter;

import javax.servlet.FilterChain;

import javax.servlet.FilterConfig;

import javax.servlet.ServletException;

import javax.servlet.ServletRequest;

import javax.servlet.ServletResponse;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

public class WeixinUrlFilter implements Filter {

//這個(gè)Token是給微信開發(fā)者接入時(shí)填的

//可以是任意英文字母或數(shù)字，長度為3-32字符

private static String Token = "vzhanqun1234567890";

@Override

public void init(FilterConfig config) throws ServletException {

System.out.println("WeixinUrlFilter啟動(dòng)成功!");

}

@Override

public void doFilter(ServletRequest req, ServletResponse res,

FilterChain chain) throws IOException, ServletException {

HttpServletRequest request = (HttpServletRequest) req;

HttpServletResponse response = (HttpServletResponse) res;

//微信服務(wù)器將發(fā)送GET請(qǐng)求到填寫的URL上,這里需要判定是否為GET請(qǐng)求

boolean isGet = request.getMethod().toLowerCase().equals("get");

System.out.println("獲得微信請(qǐng)求:" + request.getMethod() + " 方式");

if (isGet) {

//驗(yàn)證URL真實(shí)性

String signature = request.getParameter("signature");// 微信加密簽名

String timestamp = request.getParameter("timestamp");// 時(shí)間戳

String nonce = request.getParameter("nonce");// 隨機(jī)數(shù)

String echostr = request.getParameter("echostr");//隨機(jī)字符串

ListString params = new ArrayListString();

params.add(Token);

params.add(timestamp);

params.add(nonce);

//1. 將token、timestamp、nonce三個(gè)參數(shù)進(jìn)行字典序排序

Collections.sort(params, new ComparatorString() {

@Override

public int compare(String o1, String o2) {

return o1.compareTo(o2);

}

});

//2. 將三個(gè)參數(shù)字符串拼接成一個(gè)字符串進(jìn)行sha1加密

String temp = SHA1.encode(params.get(0) + params.get(1) + params.get(2));

if (temp.equals(signature)) {

response.getWriter().write(echostr);

}

} else {

//處理接收消息

}

}

@Override

public void destroy() {

}

}

好了，不過這里有個(gè)SHA1算法，我這里也把SHA1算法的源碼給貼出來吧！

4.新建com.ansitech.weixin.sdk.util.SHA1.java

[java] view plain copy print?

/*

* 微信公眾平臺(tái)(JAVA) SDK

*

* Copyright (c) 2014, Ansitech Network Technology Co.,Ltd All rights reserved.

*

*

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

*

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

package com.ansitech.weixin.sdk.util;

import java.security.MessageDigest;

/**

* pTitle: SHA1算法/p

*

* @author qsyangyangqisheng274@163.com

*/

public final class SHA1 {

private static final char[] HEX_DIGITS = {'0', '1', '2', '3', '4', '5',

'6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};

/**

* Takes the raw bytes from the digest and formats them correct.

*

* @param bytes the raw bytes from the digest.

* @return the formatted bytes.

*/

private static String getFormattedText(byte[] bytes) {

int len = bytes.length;

StringBuilder buf = new StringBuilder(len * 2);

// 把密文轉(zhuǎn)換成十六進(jìn)制的字符串形式

for (int j = 0; j len; j++) {

buf.append(HEX_DIGITS[(bytes[j] 4) 0x0f]);

buf.append(HEX_DIGITS[bytes[j] 0x0f]);

}

return buf.toString();

}

public static String encode(String str) {

if (str == null) {

return null;

}

try {

MessageDigest messageDigest = MessageDigest.getInstance("SHA1");

messageDigest.update(str.getBytes());

return getFormattedText(messageDigest.digest());

} catch (Exception e) {

throw new RuntimeException(e);

}

}

}

5.把這個(gè)Servlet配置到web.xml中

[html] view plain copy print?

filter

description微信消息接入接口/description

filter-nameWeixinUrlFilter/filter-name

filter-classcom.ansitech.weixin.sdk.WeixinUrlFilter/filter-class

/filter

filter-mapping

filter-nameWeixinUrlFilter/filter-name

url-pattern/api/vzhanqun/url-pattern

/filter-mapping

好了，接入的開發(fā)代碼已經(jīng)完成。

6.下面就把地址URL和密鑰Token填入到微信申請(qǐng)成為開發(fā)者模式中吧。

如何用java開發(fā)微信

說明：

本次的教程主要是對(duì)微信公眾平臺(tái)開發(fā)者模式的講解，網(wǎng)絡(luò)上很多類似文章，但很多都讓初學(xué)微信開發(fā)的人一頭霧水，所以總結(jié)自己的微信開發(fā)經(jīng)驗(yàn)，將微信開發(fā)的整個(gè)過程系統(tǒng)的列出，并對(duì)主要代碼進(jìn)行講解分析，讓初學(xué)者盡快上手。

在閱讀本文之前，應(yīng)對(duì)微信公眾平臺(tái)的官方開發(fā)文檔有所了解，知道接收和發(fā)送的都是xml格式的數(shù)據(jù)。另外，在做內(nèi)容回復(fù)時(shí)用到了圖靈機(jī)器人的api接口，這是一個(gè)自然語言解析的開放平臺(tái)，可以幫我們解決整個(gè)微信開發(fā)過程中最困難的問題，此處不多講，下面會(huì)有其詳細(xì)的調(diào)用方式。

1.1 在登錄微信官方平臺(tái)之后，開啟開發(fā)者模式，此時(shí)需要我們填寫url和token，所謂url就是我們自己服務(wù)器的接口，用WechatServlet.java來實(shí)現(xiàn)，相關(guān)解釋已經(jīng)在注釋中說明，代碼如下：

[java]?view plain?copy

package?demo.servlet;

import?java.io.BufferedReader;

import?java.io.IOException;

import?java.io.InputStream;

import?java.io.InputStreamReader;

import?java.io.OutputStream;

import?javax.servlet.ServletException;

import?javax.servlet.http.HttpServlet;

import?javax.servlet.http.HttpServletRequest;

import?javax.servlet.http.HttpServletResponse;

import?demo.process.WechatProcess;

/**

*?微信服務(wù)端收發(fā)消息接口

*

*?@author?pamchen-1

*

*/

public?class?WechatServlet?extends?HttpServlet?{

/**

*?The?doGet?method?of?the?servlet.?br

*

*?This?method?is?called?when?a?form?has?its?tag?value?method?equals?to?get.

*

*?@param?request

*????????????the?request?send?by?the?client?to?the?server

*?@param?response

*????????????the?response?send?by?the?server?to?the?client

*?@throws?ServletException

*?????????????if?an?error?occurred

*?@throws?IOException

*?????????????if?an?error?occurred

*/

public?void?doGet(HttpServletRequest?request,?HttpServletResponse?response)

throws?ServletException,?IOException?{

request.setCharacterEncoding("UTF-8");

response.setCharacterEncoding("UTF-8");

/**?讀取接收到的xml消息?*/

StringBuffer?sb?=?new?StringBuffer();

InputStream?is?=?request.getInputStream();

InputStreamReader?isr?=?new?InputStreamReader(is,?"UTF-8");

BufferedReader?br?=?new?BufferedReader(isr);

String?s?=?"";

while?((s?=?br.readLine())?!=?null)?{

sb.append(s);

}

String?xml?=?sb.toString();?//次即為接收到微信端發(fā)送過來的xml數(shù)據(jù)

String?result?=?"";

/**?判斷是否是微信接入激活驗(yàn)證，只有首次接入驗(yàn)證時(shí)才會(huì)收到echostr參數(shù)，此時(shí)需要把它直接返回?*/

String?echostr?=?request.getParameter("echostr");

if?(echostr?!=?null??echostr.length()??1)?{

result?=?echostr;

}?else?{

//正常的微信處理流程

result?=?new?WechatProcess().processWechatMag(xml);

}

try?{

OutputStream?os?=?response.getOutputStream();

os.write(result.getBytes("UTF-8"));

os.flush();

os.close();

}?catch?(Exception?e)?{

e.printStackTrace();

}

}

/**

*?The?doPost?method?of?the?servlet.?br

*

*?This?method?is?called?when?a?form?has?its?tag?value?method?equals?to

*?post.

*

*?@param?request

*????????????the?request?send?by?the?client?to?the?server

*?@param?response

*????????????the?response?send?by?the?server?to?the?client

*?@throws?ServletException

*?????????????if?an?error?occurred

*?@throws?IOException

*?????????????if?an?error?occurred

*/

public?void?doPost(HttpServletRequest?request,?HttpServletResponse?response)

throws?ServletException,?IOException?{

doGet(request,?response);

}

}

1.2 相應(yīng)的web.xml配置信息如下，在生成WechatServlet.java的同時(shí)，可自動(dòng)生成web.xml中的配置。前面所提到的url處可以填寫例如：http;//服務(wù)器地址/項(xiàng)目名/wechat.do

[html]?view plain?copy

?xml?version="1.0"?encoding="UTF-8"?

web-app?version="2.5"

xmlns=""

xmlns:xsi=""

xsi:schemaLocation="

"

servlet

descriptionThis?is?the?description?of?my?J2EE?component/description

display-nameThis?is?the?display?name?of?my?J2EE?component/display-name

servlet-nameWechatServlet/servlet-name

servlet-classdemo.servlet.WechatServlet/servlet-class

/servlet

servlet-mapping

servlet-nameWechatServlet/servlet-name

url-pattern/wechat.do/url-pattern

/servlet-mapping

welcome-file-list

welcome-fileindex.jsp/welcome-file

/welcome-file-list

/web-app

1.3 通過以上代碼，我們已經(jīng)實(shí)現(xiàn)了微信公眾平臺(tái)開發(fā)的框架，即開通開發(fā)者模式并成功接入、接收消息和發(fā)送消息這三個(gè)步驟。

下面就講解其核心部分——解析接收到的xml數(shù)據(jù)，并以文本類消息為例，通過圖靈機(jī)器人api接口實(shí)現(xiàn)智能回復(fù)。

2.1 首先看一下整體流程處理代碼，包括：xml數(shù)據(jù)處理、調(diào)用圖靈api、封裝返回的xml數(shù)據(jù)。

[java]?view plain?copy

package?demo.process;

import?java.util.Date;

import?demo.entity.ReceiveXmlEntity;

/**

*?微信xml消息處理流程邏輯類

*?@author?pamchen-1

*

*/

public?class?WechatProcess?{

/**

*?解析處理xml、獲取智能回復(fù)結(jié)果（通過圖靈機(jī)器人api接口）

*?@param?xml?接收到的微信數(shù)據(jù)

*?@return??最終的解析結(jié)果（xml格式數(shù)據(jù)）

*/

public?String?processWechatMag(String?xml){

/**?解析xml數(shù)據(jù)?*/

ReceiveXmlEntity?xmlEntity?=?new?ReceiveXmlProcess().getMsgEntity(xml);

/**?以文本消息為例，調(diào)用圖靈機(jī)器人api接口，獲取回復(fù)內(nèi)容?*/

String?result?=?"";

if("text".endsWith(xmlEntity.getMsgType())){

result?=?new?TulingApiProcess().getTulingResult(xmlEntity.getContent());

}

/**?此時(shí)，如果用戶輸入的是“你好”，在經(jīng)過上面的過程之后，result為“你也好”類似的內(nèi)容

*??因?yàn)樽罱K回復(fù)給微信的也是xml格式的數(shù)據(jù)，所有需要將其封裝為文本類型返回消息

*?*/

result?=?new?FormatXmlProcess().formatXmlAnswer(xmlEntity.getFromUserName(),?xmlEntity.getToUserName(),?result);

return?result;

}

}

2.2 解析接收到的xml數(shù)據(jù)，此處有兩個(gè)類，ReceiveXmlEntity.java和ReceiveXmlProcess.java，通過反射的機(jī)制動(dòng)態(tài)調(diào)用實(shí)體類中的set方法，可以避免很多重復(fù)的判斷，提高代碼效率，代碼如下：

[java]?view plain?copy

package?demo.entity;

/**

*?接收到的微信xml實(shí)體類

*?@author?pamchen-1

*

*/

public?class?ReceiveXmlEntity?{

private?String?ToUserName="";

private?String?FromUserName="";

private?String?CreateTime="";

private?String?MsgType="";

private?String?MsgId="";

private?String?Event="";

private?String?EventKey="";

private?String?Ticket="";

private?String?Latitude="";

private?String?Longitude="";

private?String?Precision="";

private?String?PicUrl="";

private?String?MediaId="";

private?String?Title="";

private?String?Description="";

private?String?Url="";

private?String?Location_X="";

private?String?Location_Y="";

private?String?Scale="";

private?String?Label="";

private?String?Content="";

private?String?Format="";

private?String?Recognition="";

public?String?getRecognition()?{

return?Recognition;

}

public?void?setRecognition(String?recognition)?{

Recognition?=?recognition;

}

public?String?getFormat()?{

return?Format;

}

public?void?setFormat(String?format)?{

Format?=?format;

}

public?String?getContent()?{

return?Content;

}

public?void?setContent(String?content)?{

Content?=?content;

}

public?String?getLocation_X()?{

return?Location_X;

}

public?void?setLocation_X(String?locationX)?{

Location_X?=?locationX;

}

public?String?getLocation_Y()?{

return?Location_Y;

}

public?void?setLocation_Y(String?locationY)?{

Location_Y?=?locationY;

}

public?String?getScale()?{

return?Scale;

}

public?void?setScale(String?scale)?{

Scale?=?scale;

}

public?String?getLabel()?{

return?Label;

}

public?void?setLabel(String?label)?{

Label?=?label;

}

public?String?getTitle()?{

return?Title;

}

public?void?setTitle(String?title)?{

Title?=?title;

}

public?String?getDescription()?{

return?Description;

}

public?void?setDescription(String?description)?{

Description?=?description;

}

public?String?getUrl()?{

return?Url;

}

public?void?setUrl(String?url)?{

Url?=?url;

}

public?String?getPicUrl()?{

return?PicUrl;

}

public?void?setPicUrl(String?picUrl)?{

PicUrl?=?picUrl;

}

public?String?getMediaId()?{

return?MediaId;

}

public?void?setMediaId(String?mediaId)?{

MediaId?=?mediaId;

}

public?String?getEventKey()?{

return?EventKey;

}

public?void?setEventKey(String?eventKey)?{

EventKey?=?eventKey;

}

public?String?getTicket()?{

return?Ticket;

}

public?void?setTicket(String?ticket)?{

Ticket?=?ticket;

}

public?String?getLatitude()?{

return?Latitude;

}

public?void?setLatitude(String?latitude)?{

Latitude?=?latitude;

}

public?String?getLongitude()?{

return?Longitude;

}

public?void?setLongitude(String?longitude)?{

Longitude?=?longitude;

}

public?String?getPrecision()?{

return?Precision;

}

public?void?setPrecision(String?precision)?{

Precision?=?precision;

}

public?String?getEvent()?{

return?Event;

}

public?void?setEvent(String?event)?{

Event?=?event;

}

public?String?getMsgId()?{

return?MsgId;

}

public?void?setMsgId(String?msgId)?{

MsgId?=?msgId;

}

public?String?getToUserName()?{

return?ToUserName;

}

public?void?setToUserName(String?toUserName)?{

怎么用java調(diào)用微信支付接口

java調(diào)用微信支付接口方法：\x0d\x0aRequestHandlerrequestHandler=newRequestHandler(super.getRequest(),super.getResponse());\x0d\x0a\x0d\x0a//獲取token//兩小時(shí)內(nèi)有效，兩小時(shí)后重新獲取\x0d\x0a\x0d\x0aToken=requestHandler.GetToken();\x0d\x0a\x0d\x0a//更新token到應(yīng)用中\(zhòng)x0d\x0a\x0d\x0arequestHandler.getTokenReal();\x0d\x0a\x0d\x0aSystem.out.println("微信支付獲取token=======================:"+Token);\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a//requestHandler初始化\x0d\x0a\x0d\x0arequestHandler.init();\x0d\x0a\x0d\x0arequestHandler.init(appid,appsecret,appkey,partnerkey,key);\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a//--------------------------------本地系統(tǒng)生成訂單-------------------------------------\x0d\x0a\x0d\x0a//設(shè)置package訂單參數(shù)\x0d\x0a\x0d\x0aSortedMappackageParams=newTreeMap();\x0d\x0a\x0d\x0apackageParams.put("bank_type","WX");//支付類型\x0d\x0a\x0d\x0apackageParams.put("body","xxxx");//商品描述\x0d\x0a\x0d\x0apackageParams.put("fee_type","1");//銀行幣種\x0d\x0a\x0d\x0apackageParams.put("input_charset","UTF-8");//字符集\x0d\x0a\x0d\x0apackageParams.put("notify_url","");//通知地址這里的通知地址使用外網(wǎng)地址測(cè)試，注意80端口是否打開。\x0d\x0a\x0d\x0apackageParams.put("out_trade_no",no);//商戶訂單號(hào)\x0d\x0a\x0d\x0apackageParams.put("partner",partenerid);//設(shè)置商戶號(hào)\x0d\x0a\x0d\x0apackageParams.put("spbill_create_ip",super.getRequest().getRemoteHost());//訂單生成的機(jī)器IP，指用戶瀏覽器端IP\x0d\x0a\x0d\x0apackageParams.put("total_fee",String.valueOf(rstotal));//商品總金額,以分為單位\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a//設(shè)置支付參數(shù)\x0d\x0a\x0d\x0aSortedMapsignParams=newTreeMap();\x0d\x0a\x0d\x0asignParams.put("appid",appid);\x0d\x0a\x0d\x0asignParams.put("noncestr",noncestr);\x0d\x0a\x0d\x0asignParams.put("traceid",PropertiesUtils.getOrderNO());\x0d\x0a\x0d\x0asignParams.put("timestamp",timestamp);\x0d\x0a\x0d\x0asignParams.put("package",packageValue);\x0d\x0a\x0d\x0asignParams.put("appkey",this.appkey);\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a//生成支付簽名，要采用URLENCODER的原始值進(jìn)行SHA1算法！\x0d\x0a\x0d\x0aStringsign="";\x0d\x0a\x0d\x0atry{\x0d\x0a\x0d\x0asign=Sha1Util.createSHA1Sign(signParams);\x0d\x0a\x0d\x0a}catch(Exceptione){\x0d\x0a\x0d\x0ae.printStackTrace();\x0d\x0a\x0d\x0a}\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a//增加非參與簽名的額外參數(shù)\x0d\x0a\x0d\x0asignParams.put("sign_method","sha1");\x0d\x0a\x0d\x0asignParams.put("app_signature",sign);\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a//api支付拼包結(jié)束------------------------------------\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a//獲取prepayid\x0d\x0a\x0d\x0aStringprepayid=requestHandler.sendPrepay(signParams);\x0d\x0a\x0d\x0aSystem.out.println("prepayid:"+prepayid);\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a//--------------------------------生成完成---------------------------------------------\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a//生成預(yù)付快訂單完成，返回給android,ios掉起微信所需要的參數(shù)。\x0d\x0a\x0d\x0aSortedMappayParams=newTreeMap();\x0d\x0a\x0d\x0apayParams.put("appid",appid);\x0d\x0a\x0d\x0apayParams.put("noncestr",noncestr);\x0d\x0a\x0d\x0apayParams.put("package","Sign=WXPay");\x0d\x0a\x0d\x0apayParams.put("partnerid",partenerid);\x0d\x0a\x0d\x0apayParams.put("prepayid",prepayid);\x0d\x0a\x0d\x0apayParams.put("appkey",this.appkey);\x0d\x0a\x0d\x0a//這里除1000是因?yàn)閰?shù)長度限制。\x0d\x0a\x0d\x0ainttime=(int)(System.currentTimeMillis()/1000);\x0d\x0a\x0d\x0apayParams.put("timestamp",String.valueOf(time));\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0aSystem.out.println("timestamp:"+time);\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a//簽名\x0d\x0a\x0d\x0aStringpaysign="";\x0d\x0a\x0d\x0atry{\x0d\x0a\x0d\x0apaysign=Sha1Util.createSHA1Sign(payParams);\x0d\x0a\x0d\x0a}catch(Exceptione){\x0d\x0a\x0d\x0ae.printStackTrace();\x0d\x0a\x0d\x0a}\x0d\x0a\x0d\x0apayParams.put("sign",paysign);\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a//拼json數(shù)據(jù)返回給客戶端\x0d\x0a\x0d\x0aBasicDBObjectbackObject=newBasicDBObject();\x0d\x0a\x0d\x0abackObject.put("appid",appid);\x0d\x0a\x0d\x0abackObject.put("noncestr",payParams.get("noncestr"));\x0d\x0a\x0d\x0abackObject.put("package","Sign=WXPay");\x0d\x0a\x0d\x0abackObject.put("partnerid",payParams.get("partnerid"));\x0d\x0a\x0d\x0abackObject.put("prepayid",payParams.get("prepayid"));\x0d\x0a\x0d\x0abackObject.put("appkey",this.appkey);\x0d\x0a\x0d\x0abackObject.put("timestamp",payParams.get("timestamp"));\x0d\x0a\x0d\x0abackObject.put("sign",payParams.get("sign"));\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0aStringbackstr=dataObject.toString();\x0d\x0a\x0d\x0aSystem.out.println("backstr:"+backstr);\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0areturnbackstr;\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a====================到此為止，預(yù)付款訂單已生成，并且已返回客戶端====================\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a//坐等微信服務(wù)器通知，通知的地址就是生成預(yù)付款訂單的notify_url\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0aResponseHandlerresHandler=newResponseHandler(request,response);\x0d\x0a\x0d\x0aresHandler.setKey(partnerkey);\x0d\x0a\x0d\x0a//創(chuàng)建請(qǐng)求對(duì)象\x0d\x0a\x0d\x0a//RequestHandlerqueryReq=newRequestHandler(request,response);\x0d\x0a\x0d\x0a//queryReq.init();\x0d\x0a\x0d\x0aif(resHandler.isTenpaySign()==true){\x0d\x0a\x0d\x0a//商戶訂單號(hào)\x0d\x0a\x0d\x0aStringout_trade_no=resHandler.getParameter("out_trade_no");\x0d\x0a\x0d\x0aSystem.out.println("out_trade_no:"+out_trade_no);\x0d\x0a\x0d\x0a//財(cái)付通訂單號(hào)\x0d\x0a\x0d\x0aStringtransaction_id=resHandler.getParameter("transaction_id");\x0d\x0a\x0d\x0aSystem.out.println("transaction_id:"+transaction_id);\x0d\x0a\x0d\x0a//金額,以分為單位\x0d\x0a\x0d\x0aStringtotal_fee=resHandler.getParameter("total_fee");\x0d\x0a\x0d\x0a//如果有使用折扣券，discount有值，total_fee+discount=原請(qǐng)求的total_fee\x0d\x0a\x0d\x0aStringdiscount=resHandler.getParameter("discount");\x0d\x0a\x0d\x0a//支付結(jié)果\x0d\x0a\x0d\x0aStringtrade_state=resHandler.getParameter("trade_state");\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a//判斷簽名及結(jié)果\x0d\x0a\x0d\x0aif("0".equals(trade_state)){\x0d\x0a\x0d\x0a//------------------------------\x0d\x0a\x0d\x0a//即時(shí)到賬處理業(yè)務(wù)開始\x0d\x0a\x0d\x0a//------------------------------\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0aSystem.out.println("----------------業(yè)務(wù)邏輯執(zhí)行-----------------");\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a//——請(qǐng)根據(jù)您的業(yè)務(wù)邏輯來編寫程序（以上代碼僅作參考）——\x0d\x0a\x0d\x0aSystem.out.println("----------------業(yè)務(wù)邏輯執(zhí)行完畢-----------------");\x0d\x0a\x0d\x0aSystem.out.println("success");//請(qǐng)不要修改或刪除\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0aSystem.out.println("即時(shí)到賬支付成功");\x0d\x0a\x0d\x0a//給財(cái)付通系統(tǒng)發(fā)送成功信息，財(cái)付通系統(tǒng)收到此結(jié)果后不再進(jìn)行后續(xù)通知\x0d\x0a\x0d\x0aresHandler.sendToCFT("success");\x0d\x0a\x0d\x0a\x0d\x0a\x0d\x0a//給微信服務(wù)器返回success否則30分鐘通知8次\x0d\x0a\x0d\x0areturn"success";\x0d\x0a\x0d\x0a}else{\x0d\x0a\x0d\x0aSystem.out.println("通知簽名驗(yàn)證失敗");\x0d\x0a\x0d\x0aresHandler.sendToCFT("fail");\x0d\x0a\x0d\x0aresponse.setCharacterEncoding("utf-8");\x0d\x0a\x0d\x0a}\x0d\x0a\x0d\x0a}else{\x0d\x0a\x0d\x0aSystem.out.println("fail-Md5failed");

本文題目：微信接入代碼java,微信登陸代碼
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