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休息食客 — Fri, 11 Sep 2015 07:46:00 GMT

�W�一节讲了怎么准备所有的参数�Q�这里讲怎么��这些参数组成xml�Q�即要通过HTTPS发送的数据�Q?/span>

大家可以先在�|�上了解一下java bean转xml的相关知�?/div>

1、我��Z��里一个请求参数类

public class WechatCashHongbaoSendReq {

private String nonce_str; //随机字符�?/div>

private String sign; //�{�֐�

private String mch_billno; //商户订单�?/div>

private String mch_id; //商户�?/div>

private String wxappid; //公众账号appid

private String send_name; //商户名称

private String re_openid; //用户openid

private int total_amount; //付款金额

private int total_num; //�U�包发放��M�h�?/div>

private String wishing; //�U�包��福�?/div>

private String client_ip; //Ip地址

private String act_name; //�z�d��名称

private String remark; //备注

public String getNonce_str() {

return nonce_str;

}

public void setNonce_str(String nonce_str) {

this.nonce_str = nonce_str;

}

public String getSign() {

return sign;

}

public void setSign(String sign) {

this.sign = sign;

}

public String getMch_billno() {

return mch_billno;

}

public void setMch_billno(String mch_billno) {

this.mch_billno = mch_billno;

}

public String getMch_id() {

return mch_id;

}

public void setMch_id(String mch_id) {

this.mch_id = mch_id;

}

public String getWxappid() {

return wxappid;

}

public void setWxappid(String wxappid) {

this.wxappid = wxappid;

}

public String getSend_name() {

return send_name;

}

public void setSend_name(String send_name) {

this.send_name = send_name;

}

public String getRe_openid() {

return re_openid;

}

public void setRe_openid(String re_openid) {

this.re_openid = re_openid;

}

public int getTotal_amount() {

return total_amount;

}

public void setTotal_amount(int total_amount) {

this.total_amount = total_amount;

}

public int getTotal_num() {

return total_num;

}

public void setTotal_num(int total_num) {

this.total_num = total_num;

}

public String getWishing() {

return wishing;

}

public void setWishing(String wishing) {

this.wishing = wishing;

}

public String getClient_ip() {

return client_ip;

}

public void setClient_ip(String client_ip) {

this.client_ip = client_ip;

}

public String getAct_name() {

return act_name;

}

public void setAct_name(String act_name) {

this.act_name = act_name;

}

public String getRemark() {

return remark;

}

public void setRemark(String remark) {

this.remark = remark;

}

2、然后把13个参数都set�q�去

WechatCashHongbaoSendReq sendReq = new WechatCashHongbaoSendReq();

sendReq.setNonce_str(nonce_str);

sendReq.setSign(sign);

sendReq.setMch_billno(mch_billno);

sendReq.setMch_id(mch_id);

sendReq.setWxappid(wxappid);

sendReq.setSend_name(send_name);

sendReq.setRe_openid(re_openid);

sendReq.setTotal_amount(total_amount);

sendReq.setTotal_num(total_num);

sendReq.setWishing(wishing);

sendReq.setClient_ip(client_ip);

sendReq.setAct_name(act_name);

sendReq.setRemark(remark);

3、将��h��c��{为xml

String data = Util.bean2XML(req).replaceAll("__", "_"); //��Z��么要加一个replaceAll("__", "_"),如果不加�Q�会有什么情况，大家可以试试

写一个Util�c�，代码如下�Q?/div>

import com.thoughtworks.xstream.XStream;

import com.thoughtworks.xstream.core.util.QuickWriter;

import com.thoughtworks.xstream.io.HierarchicalStreamWriter;

import com.thoughtworks.xstream.io.xml.PrettyPrintWriter;

import com.thoughtworks.xstream.io.xml.XppDriver;

import java.io.*;

import java.lang.reflect.Field;

import java.util.Map;

/**

* User: rizenguo

* Date: 2014/10/23

* Time: 14:59

public class Util {

//打log�?/div>

/**

* 通过反射的方式遍历对象的属性和属性��|��方便调试

* @param o 要遍历的对象

* @throws Exception

public static void reflect(Object o) throws Exception {

Class cls = o.getClass();

Field[] fields = cls.getDeclaredFields();

for (int i = 0; i < fields.length; i++) {

Field f = fields[i];

f.setAccessible(true);

Util.log(f.getName() + " -> " + f.get(o));

}

public static byte[] readInput(InputStream in) throws IOException {

ByteArrayOutputStream out = new ByteArrayOutputStream();

int len = 0;

byte[] buffer = new byte[1024];

while ((len = in.read(buffer)) > 0) {

out.write(buffer, 0, len);

}

out.close();

in.close();

return out.toByteArray();

}

public static String inputStreamToString(InputStream is) throws IOException {

ByteArrayOutputStream baos = new ByteArrayOutputStream();

int i;

while ((i = is.read()) != -1) {

baos.write(i);

}

return baos.toString();

}

public static InputStream getStringStream(String sInputString) throws UnsupportedEncodingException {

ByteArrayInputStream tInputStringStream = null;

if (sInputString != null && !sInputString.trim().equals("")) {

tInputStringStream = new ByteArrayInputStream(sInputString.getBytes("UTF-8"));

}

return tInputStringStream;

}

public static Object getObjectFromXML(String xml, Class tClass) {

//��从API�q�回的XML数据映射到Java对象

xstream.alias("xml", tClass);

return xstream.fromXML(xml);

}

public static String getStringFromMap(Map map, String key, String defaultValue) {

if (key == "" || key == null) {

return defaultValue;

}

String result = (String) map.get(key);

if (result == null) {

return defaultValue;

} else {

return result;

}

public static int getIntFromMap(Map map, String key) {

if (key == "" || key == null) {

return 0;

}

if (map.get(key) == null) {

return 0;

}

return Integer.parseInt((String) map.get(key));

}

/**

* 打log接口

* @param log 要打印的log字符�?/div>

* @return �q�回log

public static String log(Object log){

return log.toString();

}

/**

* ��d��本地的xml数据�Q�一般用来自��用

* @param localPath 本地xml文�g路径

* @return ��d��的xml字符�?/div>

public static String getLocalXMLString(String localPath) throws IOException {

return Util.inputStreamToString(Util.class.getResourceAsStream(localPath));

}

/**

* ��java对象转�ؓxml字符�?/div>

* @param clazz

* @return

public static String bean2XML(Object o){

xstream.alias("xml", o.getClass());

return xstream.toXML(o);

}

/**

* 扩展xstream�Q��其支持CDATA�?/div>

* @date 2013-05-19

private static XStream xstream = new XStream(new XppDriver() {

public HierarchicalStreamWriter createWriter(Writer out) {

return new PrettyPrintWriter(out) {

// �Ҏ��有xml节点的�{换都增加CDATA标记

boolean cdata = true;

@SuppressWarnings("unchecked")

public void startNode(String name, Class clazz) {

super.startNode(name, clazz);

}

protected void writeText(QuickWriter writer, String text) {

if (cdata) {

writer.write("

writer.write(text);

writer.write("]]>");

} else {

writer.write(text);

}

};

}

});

}

到这一步，已经完成了最�l�要发送出�ȝ��数据�Q�然后是写http��h��Ҏ��?/div>

声明�Q�工��L��代码参考微信支付开发的demo�Q�有些自己做了小改动�?/span>

PS:需要引入xstream-1.3.1.jar包，大家可以去apache中央仓库�?a style="cursor: pointer;">https://repository.sonatype.org�Q�输入xstream��可以搜索到�Q��ƈ下蝲出来�Q�如果你的项目是maven建立的，直接在pom.xml里面加上��p��

com.thoughtworks.xstream

xstream

1.3.1

休息食客 2015-09-11 15:46 发表评论

休息食客 — Thu, 10 Sep 2015 07:35:00 GMT

开发之前，最好有一些微信开发的�l�验�Q�先看一下文档，了解一�?/span>https://pay.weixin.qq.com/wiki/doc/api/cash_coupon.php?chapter=13_5

文档�q�了一遍之后，脑�v里应该有些印象了�Q�废话不��_��q�入开发�?/div>

准备参数�Q�一个一个来�?/div>

参数1�Q�随机字�W�串 nonce_str

//获取随机�?�q�里讑֮�长度20,只要不成长于32�?/div>

String nonce_str = RandomStringGenerator.getRandomStringByLength(20);

写一个RandomStringGenerator�c�，写一个getRandomStringByLength静态方�?/div>

import java.util.Random;

/**

* User: rizenguo

* Date: 2014/10/29

public class RandomStringGenerator {

/**

* 获取一定长度的随机字符�?/div>

* @param length 指定字符串长�?/div>

* @return 一定长度的字符�?/div>

public static String getRandomStringByLength(int length) {

String base = "abcdefghijklmnopqrstuvwxyz0123456789";

Random random = new Random();

StringBuffer sb = new StringBuffer();

for (int i = 0; i < length; i++) {

int number = random.nextInt(base.length());

sb.append(base.charAt(number));

}

return sb.toString();

}

参数2 �Q?nbsp;商户�? mch_id

String mch_id = “xxxxxxxx”;

参数3 �Q?nbsp;商户订单�? mch_billno

String mch_billno = mch_id + GenerateSequenceUtil.generateSequenceNo();

些一个GenerateSequenceUtil�c�，写一个generateSequenceNo�Ҏ��

import java.text.DecimalFormat;

import java.text.FieldPosition;

import java.text.Format;

import java.text.NumberFormat;

import java.text.SimpleDateFormat;

import java.util.Calendar;

import org.apache.log4j.Logger;

public class GenerateSequenceUtil {

/** .log */

private static final Logger logger = Logger.getLogger(GenerateSequenceUtil.class);

/** The FieldPosition. */

private static final FieldPosition HELPER_POSITION = new FieldPosition(0);

/** This Format for format the data to special format. */

private final static Format dateFormat = new SimpleDateFormat("yyyyMMddHHmmss");

/** This Format for format the number to special format. */

private final static NumberFormat numberFormat = new DecimalFormat("0000");

/** This int is the sequence number ,the default value is 0. */

private static int seq = 0;

private static final int MAX = 9999;

/**

* 旉��格式生成序列

* @return String

public static synchronized String generateSequenceNo() {

Calendar rightNow = Calendar.getInstance();

StringBuffer sb = new StringBuffer();

dateFormat.format(rightNow.getTime(), sb, HELPER_POSITION);

numberFormat.format(seq, sb, HELPER_POSITION);

if (seq == MAX) {

seq = 0;

} else {

seq++;

}

logger.info("THE SQUENCE IS :" + sb.toString());

return sb.toString();

}

参数4�Q?nbsp;公众账号appid wxappid

�q�个参数可以在微信开发者中心里面看�?/div>

//微信分配的公众�̎号ID

String wxappid = "wx8888888888888888";

参数5 �Q?nbsp;商户名称 send_name

随便�?/div>

String send_name = "��试�?;

参数6 �Q?nbsp;用户openid re_openid

微信号和公众号对应的唯一的加密过的字�W�串

String re_openid = "xxxxxxxxxxxxxxxxxxxxxxx";

参数7�Q?nbsp;付款金额 total_amount

int total_amount = 100; 单位�?/div>

参数8 �Q?nbsp;�U�包发放��M�h�? total_num

int total_num = 1;

参数9 �Q?nbsp;�U�包��福�? wishing

随便�?/div>

String wishing = "��试";

参数10 �Q?nbsp;Ip地址 client_ip

String client_ip = InetAddress.getLocalHost().getHostAddress().toString();

�q�里可能报异常，需要抓取一�?/div>

参数11 �Q?nbsp;�z�d��名称 act_name

随便�?/div>

String act_name = "��试创徏20150906";

参数12 �Q?nbsp;备注 remark

随便�?/div>

String remark = "��试";

最后一个参数sign

//�{�֐�

Map map = new HashMap();

map.put("nonce_str", nonce_str);

map.put("mch_billno", mch_billno);

map.put("mch_id", mch_id);

map.put("wxappid", wxappid);

map.put("send_name", send_name);

map.put("re_openid", re_openid);

map.put("total_amount", total_amount);

map.put("total_num", total_num);

map.put("wishing", wishing);

map.put("client_ip", client_ip);

map.put("act_name", act_name);

map.put("remark", remark);

String sign = Signature.getSign(map);

写一个Signature�c�，代码如下�Q?/div>

import org.xml.sax.SAXException;

import com.yxht.core.common.tools.LoadProperties;

import javax.xml.parsers.ParserConfigurationException;

import java.io.IOException;

import java.lang.reflect.Field;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Map;

/**

* User: rizenguo

* Date: 2014/10/29

* Time: 15:23

public class Signature {

/**

* �{�֐��法

* @param o 要参与签名的数据对象

* @return �{�֐�

* @throws IllegalAccessException

public static String getSign(Object o) throws IllegalAccessException {

ArrayList list = new ArrayList();

Class cls = o.getClass();

Field[] fields = cls.getDeclaredFields();

for (Field f : fields) {

f.setAccessible(true);

if (f.get(o) != null && f.get(o) != "") {

list.add(f.getName() + "=" + f.get(o) + "&");

}

int size = list.size();

String [] arrayToSort = list.toArray(new String[size]);

Arrays.sort(arrayToSort, String.CASE_INSENSITIVE_ORDER);

StringBuilder sb = new StringBuilder();

for(int i = 0; i < size; i ++) {

sb.append(arrayToSort[i]);

}

String result = sb.toString();

result += "key=" + "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; //�q�里是开发者中心里面服务器配置里面的消息加解密密钥

Util.log("Sign Before MD5:" + result);

result = MD5.MD5Encode(result).toUpperCase();

Util.log("Sign Result:" + result);

return result;

}

public static String getSign(Map map){

ArrayList list = new ArrayList();

for(Map.Entry entry:map.entrySet()){

if(entry.getValue()!=""){

list.add(entry.getKey() + "=" + entry.getValue() + "&");

}

int size = list.size();

String [] arrayToSort = list.toArray(new String[size]);

Arrays.sort(arrayToSort, String.CASE_INSENSITIVE_ORDER);

StringBuilder sb = new StringBuilder();

for(int i = 0; i < size; i ++) {

sb.append(arrayToSort[i]);

}

String result = sb.toString();

result += "key=" + LoadProperties.getSystemdefaultValue("APP_KEY");

result = MD5.MD5Encode(result).toUpperCase();

return result;

}

/**

* 从API�q�回的XML数据里面重新计算一�ơ签�?/div>

* @param responseString API�q�回的XML数据

* @return 新鲜出炉的签�?/div>

* @throws ParserConfigurationException

* @throws IOException

* @throws SAXException

public static String getSignFromResponseString(String responseString) throws IOException, SAXException, ParserConfigurationException {

Map map = XMLParser.getMapFromXML(responseString);

//清掉�q�回数据对象里面的Sign数据�Q�不能把�q�个数据也加�q�去�q�行�{�֐��Q�，然后用签名算法进行签�?/div>

map.put("sign","");

//��API�q�回的数据根据用�{�֐��法�q�行计算新的�{�֐��Q�用来跟API�q�回的签名进行比�?/div>

return Signature.getSign(map);

}

/**

* ��验API�q�回的数据里面的�{�֐�是否合法�Q�避免数据在传输的过�E�中被第三方��改

* @param responseString API�q�回的XML数据字符�?/div>

* @return API�{�֐�是否合法

* @throws ParserConfigurationException

* @throws IOException

* @throws SAXException

public static boolean checkIsSignValidFromResponseString(String responseString) throws ParserConfigurationException, IOException, SAXException {

Map map = XMLParser.getMapFromXML(responseString);

Util.log(map.toString());

String signFromAPIResponse = map.get("sign").toString();

if(signFromAPIResponse=="" || signFromAPIResponse == null){

Util.log("API�q�回的数据签名数据不存在�Q�有可能被第三方��改!!!");

return false;

}

Util.log("服务器回包里面的�{�֐��?" + signFromAPIResponse);

//清掉�q�回数据对象里面的Sign数据�Q�不能把�q�个数据也加�q�去�q�行�{�֐��Q�，然后用签名算法进行签�?/div>

map.put("sign","");

//��API�q�回的数据根据用�{�֐��法�q�行计算新的�{�֐��Q�用来跟API�q�回的签名进行比�?/div>

String signForAPIResponse = Signature.getSign(map);

if(!signForAPIResponse.equals(signFromAPIResponse)){

//�{�֐�验不�q�，表示�q�个API�q�回的数据有可能已经被篡改了

Util.log("API�q�回的数据签名验证不通过�Q�有可能被第三方��改!!!");

return false;

}

Util.log("恭喜�Q�API�q�回的数据签名验证通过!!!");

return true;

}

先讲到这里，所有参数都准备好了�Q�下一步是�l�成xml

声明�Q�工��L��代码参考微信支付开发的demo�Q�有些自己做了小改动�?/div>

休息食客 2015-09-10 15:35 发表评论

休息食客 — Wed, 11 Feb 2015 09:23:00 GMT

摘要: java解析xml文�g的方式有几种�Q�下面介�l�用dom4j方式解析1、先看一�D�xml内容 Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> 1 2 &nb... 阅读全文

休息食客 2015-02-11 17:23 发表评论

Java获取根目录，��d��配置文�g

休息食客 — Fri, 30 Jan 2015 07:01:00 GMT

Java获取根目录�\径有很多�U�方法，但是�Ҏ��应用�E�序所部��v的环境和中间件不同，获取的�\径可能也不同。下面我提供一�U�方法，解决�q�个问题�?br />
         String path = InterfaceConfig.class.getResource("").getPath().toString();//获取�c�L��在�\�?br />        if (path.contains(".jar")) {
             path = path.replace("/", File.separator);//��?换成\�Q�如果是linux环境�Q�还�?
             path = path.replace("file:", "");//��L��file
             path = path.replace("classes\\", "");//��L��classes\
             if (path.startsWith("\\")) {
                 path = path.substring(1);//��L��W�一个\,如：、\D:\TongWeb... ,在linux上没有这�U�情�?br />             }
             path = path.split("WEB-INF")[0]+"WEB-INF"+File.separator+"classes";
        } else {
             path = InterfaceConfig.class.getResource("/").getPath().toString();//获取根�\�?br />        }
        File file = new File(path + File.separator + "InterfaceConfig.xml");

�q�段代码什么意思呢�Q?br />1、第一行是获取InterfaceConfig.class�q�个�c�L��在的路径�Q�这个InterfaceConfig.class可以换成你这�D�代码所在的�c�R�?br />2、判断�\径中是否包含.jar�Q�就是说�q�段代码所在的�c�L��l�构建的时候是不是打入jar包里�Q�如果在jar包里�Q�就��L��一些内容，如file: ,classes\\,
    然后�Ҏ��WEB-INF切割�Q��ƈ拼出根目录�?br />3、如果没有打入jar包，那更��单了�Q�直接通过获取根�\径方法就解决了�?br />4、最后读取classes路径下的InterfaceConfig.xml配置文�g�?br />

休息食客 2015-01-30 15:01 发表评论

JAVA解析内容格式为XML的字�W�串

休息食客 — Sun, 28 Sep 2014 07:01:00 GMT

假如有一个字�W�串的内�Ҏ��xml格式�Q�如�Q?/p>

        String aa = ""+
                      ""+
                        "1000"+
                        "aaa"+
                        ""+
                      ""+
                        "1001"+
                        "bbb"+
                      ""+
                    "";

�q�是一个字�W�串�Q�不是一个XML文档�Q�只是该字符串里面的内容是XML格式�Q�该怎么解析呢？
假如我有一个User对象�Q�有userid和username属性，然后把该字符串里面的数据解析到User对象来�?br />思�\�Q�把该字�W�串先解析�ؓdocment树�Ş文档�Q�然后获取根元素row�Q�再然后获取根元素的�W�一个子元素user,然后获取user元素的第一个子元素userid�q�把该值存入user对象�?br />看代码：

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;

public class test {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub

        String aa = ""+
                      ""+
                        "1000"+
                        "aaa"+
                        ""+
                      ""+
                        "1001"+
                        "bbb"+
                      ""+
                    "";
        test t = new test();
        List<User> lu = new ArrayList<User>();
        User user = new User();
        lu = t.Analysis(aa, lu, user);
        for(User u : lu){;
            System.out.println(u.getUserid()+"  "+u.getUsername());
        }
    }

    public test(){

    }

    public List<User> Analysis(String s,List<User> lu,User user){
        Document doc = null;
        try {
            doc = DocumentHelper.parseText(s);// ��字�W�串转�ؓdocument树�Ş格式
        } catch (DocumentException e) {
            e.printStackTrace();
        }
        Element rootElt = doc.getRootElement(); // 获取根节�?/span>
        Iterator iter = rootElt.elementIterator("user"); // 获取根节点下的子节点user
        while (iter.hasNext()) {
            user = new User();
            Element recordEle = (Element) iter.next();
            Iterator iters = recordEle.elementIterator("userid"); // 获取子节点user下的子节点userId
            while(iters.hasNext()){
                Element userId = (Element) iters.next();
                user.setUserid(Long.parseLong(userId.getText()));
            }
            iters = recordEle.elementIterator("username"); // 获取子节点user下的子节点username
            while(iters.hasNext()){
                Element username = (Element) iters.next();
                user.setUsername(username.getText());
            }
            lu.add(user);
        }
        return lu;
    }

}

class User {
    private Long userid;
    private String username;
    public Long getUserid() {
        return userid;
    }
    public void setUserid(Long userid) {
        this.userid = userid;
    }
    public String getUsername() {
        return username;
    }
    public void setUsername(String username) {
        this.username = username;
    }
}

整个解析�q�程及思�\在Analysis�Ҏ��里面�Q�注释写清楚了，可以自己�ȝ��！

休息食客 2014-09-28 15:01 发表评论

Maven+jetty启动配置

休息食客 — Sat, 20 Sep 2014 06:04:00 GMT

当我们的j2ee��目建好后，如果用jetty启动�Q�要怎么配置呢？
直接打开��目的pom.xml文�g�Q�添加如下配�|�：

            org.mortbay.jetty
            maven-jetty-plugin
            6.1.26

注意�Q�这�D�配�|�在你复制到pom.xml文�g里的时候，应该攑֜�里面�Q�如

WechatTest_Core

org.mortbay.jetty

maven-jetty-plugin

6.1.26

....
....

说明�Q�该配置的groupId和artifactId不用改变�Q�就是这��P��而version具体用哪个版本，可以在中央仓库里找，�q�里我用的是6.1.26版本�Q�配�|�好了后保存�?br />接下来是启动��目�Q�第一�ơ要配置一下启动信息，run as->Run Configurations...
如图�Q?br />

ok了，输入http://localhost:8081/��可以访问了

休息食客 2014-09-20 14:04 发表评论

maven+hibernate3构徏��目的pom.xml

休息食客 — Sat, 06 Sep 2014 17:08:00 GMT

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
4.0.0

com.loubing.test
myhibernate
0.0.1-SNAPSHOT
jar

myhibernate

http://localhost:10000/nexus/content/groups/public

UTF-8

      junit
      junit
      3.8.1
      test



c3p0
c3p0
0.9.1.2




      org.hibernate
      hibernate3
      3.0.2



        com.oracle
        ojdbc14
        10.2.0.1.0

休息食客 2014-09-07 01:08 发表评论