第三篇 微信开发者接入 -辅助类

1.获取  获取用户发送的信息   、获取微信服务器IP地址  获取access_token

package com.ll.wechart.util;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jdom.Document;
import org.jdom.Element;
import com.ll.wechart.bean.WechartMessageBean;
import com.ll.xml.XmlUtil;

public class GetWeChartFunction {
 private Log log = LogFactory.getLog(this.getClass().getName());
 String resp ="";//调用返回信息
 public static void main(String[] args) {
  GetWeChartFunction wc= new GetWeChartFunction();
  //System.out.println(wc.getAccess_token());
  //System.out.println(wc.getServerIP(WeChartPams.AccessToken));
  System.out.println(System.currentTimeMillis());
 }
 /**
  * 系统时间戳
  */
 public static String getTimeStamp(){
  String timestamp=String.valueOf(System.currentTimeMillis());
  return timestamp;
 }
 
/**
 * 获取用户发送的信息
 * @param xmlInfo
 * @return
 */
 public WechartMessageBean getMessgeUtil(String xmlInfo){
  WechartMessageBean mWechartMessageBean = new WechartMessageBean();
  try {
   Document document = null;
   document = XmlUtil.stringToXML(xmlInfo);
   Element rootElement = document.getRootElement(); // 取得根元素
   mWechartMessageBean = (WechartMessageBean) XmlUtil.xmlToBean(mWechartMessageBean, rootElement);
  } catch (Exception e) {
   log.error(e);
   return null;
  }
  return mWechartMessageBean;
 }
/**
 * 获取微信服务器IP地址
 * 如果公众号基于安全等考虑，需要获知微信服务器的IP地址列表，以便进行相关限制，可以通过该接口获得微信服务器IP地址列表。
 * @param accessToken
 * @return
 */
 public String getServerIP(String accessToken){
  String urlstr = "https://api.weixin.qq.com/cgi-bin/getcallbackip?access_token="+accessToken+"";
  try{
   HttpURLConnection http = (HttpURLConnection) new URL(urlstr).openConnection();
   http.setRequestMethod("GET");  
   http.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
   http.setDoInput(true);
   System.setProperty("sun.net.client.defaultConnectTimeout", "30000");//连接超时30秒
   System.setProperty("sun.net.client.defaultReadTimeout", "30000");//读取超时30秒
   InputStream is = http.getInputStream();
   int size = is.available();
   byte[] buf = new byte[size];
   is.read(buf);
   resp = new String(buf,"UTF-8");  
  } catch (Exception e) {
     log.error(e);
  }
  return resp;
 }
 /**
  * @author liuli
  * 获取access_token
  * access_token是公众号的全局唯一票据，公众号调用各接口时都需使用access_token。
  * 开发者需要进行妥善保存。
  * access_token的存储至少要保留512个字符空间。
  * access_token的有效期目前为2个小时，需定时刷新，重复获取将导致上次获取的access_token失效。
  * 4jDowhQhY8Zr0CMoOhqc0uyvLX8oLOG2c-okF-mS8IGMBpO4gTBRX9d8-lC0aST3MRqjisj_P9ueYgvI1GdtxALIB01MW6GiPozibBonHe4
  */
 public String getAccess_token(){
  String urlstr = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="+WeChartPams.AppID+"&secret="+WeChartPams.AppSecret+"";
  try{
   HttpURLConnection http = (HttpURLConnection) new URL(urlstr).openConnection();
   http.setRequestMethod("GET");  
   http.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
   http.setDoInput(true);
   System.setProperty("sun.net.client.defaultConnectTimeout", "30000");//连接超时30秒
   System.setProperty("sun.net.client.defaultReadTimeout", "30000");//读取超时30秒
   InputStream is = http.getInputStream();
   int size = is.available();
   byte[] buf = new byte[size];
   is.read(buf);
   String resp = new String(buf,"UTF-8");  
   log.info("back info:" + resp);  
  } catch (Exception e) {
     log.error(e);
  }
  return resp;
 }

}

2.封装返回用户的信息

package com.ll.wechart.util;

import java.util.List;

import com.ll.wechart.bean.WechartBackMessageBean;
import com.ll.wechart.bean.WechartBackNewsBean;
import com.ll.wechart.bean.WechartMessageBean;

public class BackWeChartFunction {
 String responseStr = "Hello!";//默认返回消息
 /**
  * 返回文本信息
  * @param mWechartMessageBean
  * @param mWechartBackMessageBean
  * @return
  */
   public String backText(WechartMessageBean mWechartMessageBean,WechartBackMessageBean mWechartBackMessageBean){
  StringBuffer revert = new StringBuffer();
  revert.append("<xml>"); 
  revert.append("<ToUserName><![CDATA["+mWechartMessageBean.getFromUserName()+"]]></ToUserName>");
  revert.append("<FromUserName><![CDATA["+mWechartMessageBean.getToUserName()+"]]></FromUserName>");
  revert.append("<CreateTime>"+GetWeChartFunction.getTimeStamp()+"]</CreateTime>");
  revert.append("<MsgType><![CDATA[text]]></MsgType>");
  revert.append("<Content><![CDATA["+mWechartBackMessageBean.getContent()+"]]></Content>");
  revert.append("</xml>");
  responseStr= revert.toString();
  return responseStr;
   }
   /**
    * 图片消息
    * @param mWechartMessageBean
    * @param mWechartBackMessageBean
    * @return
    */
   public String backImage(WechartMessageBean mWechartMessageBean,WechartBackMessageBean mWechartBackMessageBean){
   StringBuffer revert = new StringBuffer();
   revert.append("<xml>"); 
   revert.append("<ToUserName><![CDATA["+mWechartMessageBean.getFromUserName()+"]]></ToUserName>");
   revert.append("<FromUserName><![CDATA["+mWechartMessageBean.getToUserName()+"]]></FromUserName>");
   revert.append("<CreateTime>"+GetWeChartFunction.getTimeStamp()+"]</CreateTime>");
   revert.append("<MsgType><![CDATA[image]]></MsgType>");
   revert.append("<Image>");
    revert.append("<MediaId><![CDATA["+mWechartBackMessageBean.getMediaId()+"]]></MediaId>");
   revert.append("</Image>");
   revert.append("</xml>");
   responseStr= revert.toString();
   return responseStr;
    }
   /**
    * 语音消息
    * @param mWechartMessageBean
    * @param mWechartBackMessageBean
    * @return
    */
   public String backVoice(WechartMessageBean mWechartMessageBean,WechartBackMessageBean mWechartBackMessageBean){
  StringBuffer revert = new StringBuffer();
  revert.append("<xml>"); 
  revert.append("<ToUserName><![CDATA["+mWechartMessageBean.getFromUserName()+"]]></ToUserName>");
  revert.append("<FromUserName><![CDATA["+mWechartMessageBean.getToUserName()+"]]></FromUserName>");
  revert.append("<CreateTime>"+GetWeChartFunction.getTimeStamp()+"]</CreateTime>");
  revert.append("<MsgType><![CDATA[voice]]></MsgType>");
  revert.append("<Voice>");
   revert.append("<MediaId><![CDATA["+mWechartBackMessageBean.getMediaId()+"]]></MediaId>");
  revert.append("</Voice>");
  revert.append("</xml>");
  responseStr= revert.toString();
  return responseStr;
   }
   /**
    * 视屏消息
    * @param mWechartMessageBean
    * @param mWechartBackMessageBean
    * @return
    */
   public String backVideo(WechartMessageBean mWechartMessageBean,WechartBackMessageBean mWechartBackMessageBean){
  StringBuffer revert = new StringBuffer();
  revert.append("<xml>"); 
  revert.append("<ToUserName><![CDATA["+mWechartMessageBean.getFromUserName()+"]]></ToUserName>");
  revert.append("<FromUserName><![CDATA["+mWechartMessageBean.getToUserName()+"]]></FromUserName>");
  revert.append("<CreateTime>"+GetWeChartFunction.getTimeStamp()+"]</CreateTime>");
  revert.append("<MsgType><![CDATA[video]]></MsgType>");
  revert.append("<Video>");
   revert.append("<MediaId><![CDATA["+mWechartBackMessageBean.getMediaId()+"]]></MediaId>");
   revert.append("<Title><![CDATA["+mWechartBackMessageBean.getTitle()+"]]></Title>");
   revert.append("<Description><![CDATA["+mWechartBackMessageBean.getDescription()+"]]></Description>");
  revert.append("</Video>");
  revert.append("</xml>");
  responseStr= revert.toString();
  return responseStr;
  }
   /**
    * 音乐消息
    * @param mWechartMessageBean
    * @param mWechartBackMessageBean
    * @return
    */
   public String backMusic(WechartMessageBean mWechartMessageBean,WechartBackMessageBean mWechartBackMessageBean){
   StringBuffer revert = new StringBuffer();
   revert.append("<xml>"); 
   revert.append("<ToUserName><![CDATA["+mWechartMessageBean.getFromUserName()+"]]></ToUserName>");
   revert.append("<FromUserName><![CDATA["+mWechartMessageBean.getToUserName()+"]]></FromUserName>");
   revert.append("<CreateTime>"+GetWeChartFunction.getTimeStamp()+"]</CreateTime>");
   revert.append("<MsgType><![CDATA[music]]></MsgType>");
   revert.append("<Music>");
    revert.append("<Title><![CDATA["+mWechartBackMessageBean.getTitle()+"]]></Title>");
    revert.append("<Description><![CDATA["+mWechartBackMessageBean.getDescription()+"]]></Description>");
    revert.append("<MusicUrl><![CDATA["+mWechartBackMessageBean.getMusicUrl()+"]]></MusicUrl>");
    revert.append("<HQMusicUrl><![CDATA["+mWechartBackMessageBean.getHQMusicUrl()+"]]></HQMusicUrl>");
    revert.append("<ThumbMediaId><![CDATA["+mWechartBackMessageBean.getThumbMediaId()+"]]></ThumbMediaId>");
   revert.append("</Music>");
   revert.append("</xml>");
   responseStr= revert.toString();
   return responseStr;
   }
   /**
    * 返回图文消息
    * @param mWechartMessageBean
    * @param mWechartBackMessageBean
    * @param mWechartBackNewsBean
    * @return
    */
   public String backNews(WechartMessageBean mWechartMessageBean,WechartBackMessageBean mWechartBackMessageBean,List<WechartBackNewsBean> mWechartBackNewsBeanList){
  StringBuffer revert = new StringBuffer();
  revert.append("<xml>"); 
  revert.append("<ToUserName><![CDATA["+mWechartMessageBean.getFromUserName()+"]]></ToUserName>");
  revert.append("<FromUserName><![CDATA["+mWechartMessageBean.getToUserName()+"]]></FromUserName>");
  revert.append("<CreateTime>"+GetWeChartFunction.getTimeStamp()+"]</CreateTime>");
  revert.append("<MsgType><![CDATA[news]]></MsgType>");
  int size =mWechartBackNewsBeanList.size();
  revert.append("<ArticleCount><"+size+"></ArticleCount>");
  revert.append("<Articles>");
  for (int i = 0; i < size ; i++) {
   WechartBackNewsBean mWechartBackNewsBean = mWechartBackNewsBeanList.get(i);
   revert.append("<item>");
    revert.append("<Title><![CDATA["+mWechartBackNewsBean.getTitle()+"]]></Title>");
    revert.append("<Description><![CDATA["+mWechartBackNewsBean.getDescription()+"]]></Description>");
    revert.append("<PicUrl><![CDATA["+mWechartBackNewsBean.getPicUrl()+"]]></PicUrl>");
    revert.append("<Url><![CDATA["+mWechartBackNewsBean.getUrl()+"]]></Url>");
   revert.append("</item>");
  }
  revert.append("</Articles>");
  revert.append("</xml>");
  responseStr= revert.toString();
  return responseStr;
  }
 
}
3.辅助javabean

package com.ll.wechart.bean;

/**
 * 文本消息(text) 图片消息(image) 语音消息(voice) 视频消息(video) 小视频消息(shortvideo)
 * 地理位置消息(location) 链接消息(link)
 *
 * @author liuli
 *
 */
public class WechartBackMessageBean {
 private String Content = "";// 文本消息内容
 private String MediaId = "";// 图片消息媒体id，可以调用多媒体文件下载接口拉取数据。||语音消息媒体id，可以调用多媒体文件下载接口拉取数据。||视频消息媒体id，可以调用多媒体文件下载接口拉取数据。

 private String MusicUrl = "";// 音乐链接
 private String HQMusicUrl = "";// 高质量音乐链接，WIFI环境优先使用该链接播放音乐
 private String ThumbMediaId = "";// 视频消息缩略图的媒体id，可以调用多媒体文件下载接口拉取数据。

 private String Title = "";// 消息标题
 private String Description = "";// 消息描述

 public String getMusicUrl() {
  return MusicUrl;
 }

 public void setMusicUrl(String musicUrl) {
  MusicUrl = musicUrl;
 }

 public String getHQMusicUrl() {
  return HQMusicUrl;
 }

 public void setHQMusicUrl(String hQMusicUrl) {
  HQMusicUrl = hQMusicUrl;
 }
 public String getContent() {
  return Content;
 }

 public void setContent(String content) {
  Content = content;
 }

 public String getMediaId() {
  return MediaId;
 }

 public void setMediaId(String mediaId) {
  MediaId = mediaId;
 }

 public String getThumbMediaId() {
  return ThumbMediaId;
 }

 public void setThumbMediaId(String thumbMediaId) {
  ThumbMediaId = thumbMediaId;
 }

 public String getTitle() {
  return Title;
 }

 public void setTitle(String title) {
  Title = title;
 }

 public String getDescription() {
  return Description;
 }

 public void setDescription(String description) {
  Description = description;
 }

}

=====

package com.ll.wechart.bean;

/**
 * 图文消息
 * @author liuli
 *
 */
public class WechartBackNewsBean {
 private String Title="";//  消息标题
 private String Description="";// 消息描述
 private String Url="";//  消息链接
 private String PicUrl ="";//图片链接
 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;
 }
 
}
====

package com.ll.wechart.bean;
/**
 * 文本消息(text)
 * 图片消息(image)
 * 语音消息(voice)
 * 视频消息(video)
 * 小视频消息(shortvideo)
 * 地理位置消息(location)
 * 链接消息(link)
 * @author liuli
 *
 */
public class WechartMessageBean {
 private String ToUserName="";// 开发者微信号
 private String FromUserName="";//  发送方帐号（一个OpenID）
 private String CreateTime="";//  消息创建时间 （整型）
 private String MsgType="";//  text
 
 private String Content="";//  文本消息内容
 private String PicUrl ="";//图片链接
 private String MediaId ="";//图片消息媒体id，可以调用多媒体文件下载接口拉取数据。||语音消息媒体id，可以调用多媒体文件下载接口拉取数据。||视频消息媒体id，可以调用多媒体文件下载接口拉取数据。
 private String Format ="";//语音格式，如amr，speex等
 private String ThumbMediaId ="";//视频消息缩略图的媒体id，可以调用多媒体文件下载接口拉取数据。
 
 private String Location_X="";//  地理位置维度
 private String Location_Y="";//  地理位置经度
 private String Scale="";//  地图缩放大小
 private String Label="";//  地理位置信息
 
 private String Title="";//  消息标题
 private String Description="";// 消息描述
 private String Url="";//  消息链接
 
 private String MsgId="";//  消息id，64位整型
    private String Encrypt ="";//加密的报文  事件类型，
   
    
    public String getEvent() {
  return Event;
 }

 public void setEvent(String event) {
  Event = event;
 }

 public String getEventKey() {
  return EventKey;
 }

 public void setEventKey(String eventKey) {
  EventKey = eventKey;
 }

 //事件
    String  Event ="";
    String EventKey ="";
 public String getToUserName() {
  return ToUserName;
 }

 public void setToUserName(String toUserName) {
  ToUserName = toUserName;
 }

 public String getFromUserName() {
  return FromUserName;
 }

 public void setFromUserName(String fromUserName) {
  FromUserName = fromUserName;
 }

 public String getCreateTime() {
  return CreateTime;
 }

 public void setCreateTime(String createTime) {
  CreateTime = createTime;
 }

 public String getMsgType() {
  return MsgType;
 }

 public void setMsgType(String msgType) {
  MsgType = msgType;
 }

 public String getContent() {
  return Content;
 }

 public void setContent(String content) {
  Content = content;
 }

 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 getFormat() {
  return Format;
 }

 public void setFormat(String format) {
  Format = format;
 }

 public String getThumbMediaId() {
  return ThumbMediaId;
 }

 public void setThumbMediaId(String thumbMediaId) {
  ThumbMediaId = thumbMediaId;
 }

 public String getLocation_X() {
  return Location_X;
 }

 public void setLocation_X(String location_X) {
  Location_X = location_X;
 }

 public String getLocation_Y() {
  return Location_Y;
 }

 public void setLocation_Y(String location_Y) {
  Location_Y = location_Y;
 }

 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 getMsgId() {
  return MsgId;
 }

 public void setMsgId(String msgId) {
  MsgId = msgId;
 }

 public String getEncrypt() {
  return Encrypt;
 }

 public void setEncrypt(String encrypt) {
  Encrypt = encrypt;
 }
 
 
 
}
代码结构