圖文消息的主要參數說明
通過微信官方的消息接口指南，可以看到對圖文消息的參數介紹，如下圖所示：
從上圖可以了解到：
1、圖文消息的個數限制為10，也就是圖文中articlecount的值（圖文消息的個數，限制在10條以內）
2、對于圖文消息，第一條圖文的圖片顯示為大圖，其他圖文的圖片顯示為小圖。
3、第一條圖文的圖片大小建議為640*320，其他圖文的圖片建議為80*80
下面開始實現：
請求消息的基類：
java" id="highlighter_216750">
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import com.thoughtworks.xstream.annotations.xstreamalias;import java.io.serializable;/** * @author inchlifc */public class basemessage implements serializable { @xstreamalias("tousername") @xstreamcdata private string tousername; @xstreamalias("fromusername") @xstreamcdata private string fromusername; @xstreamalias("createtime") private long createtime; @xstreamalias("msgtype") @xstreamcdata private string msgtype; public basemessage() { super(); } public basemessage(string fromusername, string tousername) { super(); fromusername = fromusername; tousername = tousername; createtime = system.currenttimemillis(); } 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 long getcreatetime() { return createtime; } public void setcreatetime(long createtime) { createtime = createtime; } public string getmsgtype() { return msgtype; } public void setmsgtype(string msgtype) { msgtype = msgtype; }} |
圖文消息類：
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import com.thoughtworks.xstream.annotations.xstreamalias;import java.util.list;@xstreamalias("xml")public class articlesmessage extends basemessage { @xstreamalias("articlecount") private int articlecount; @xstreamalias("articles") private list<articlesitem> articles; public int getarticlecount() { return articlecount; } public void setarticlecount(int articlecount) { articlecount = articlecount; } public list<articlesitem> getarticles() { return articles; } public void setarticles(list<articlesitem> articles) { articles = articles; }} |
圖文消息中的articles類：
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import com.thoughtworks.xstream.annotations.xstreamalias;import java.util.list;@xstreamalias("articles")public class articles { private list<articlesitem> articles;} |
圖文消息中的articlesitem類：
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import com.thoughtworks.xstream.annotations.xstreamalias;import java.io.serializable;@xstreamalias("item")public class articlesitem implements serializable { @xstreamalias("title") @xstreamcdata private string title; @xstreamalias("description") @xstreamcdata private string description; @xstreamalias("picurl") @xstreamcdata private string picurl; @xstreamalias("url") @xstreamcdata private string url; 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 getpicurl() { return picurl; } public void setpicurl(string picurl) { picurl = picurl; } public string geturl() { return url; } public void seturl(string url) { url = url; }} |
service層實現方法：
封裝方法
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/** * 獲取博客圖文消息 * * @param custermname * @param servername * @param createtime * @return */ private articlesmessage getblogmessage(string custermname, string servername, long createtime) { articlesmessage outputmsg = new articlesmessage(); outputmsg.setfromusername(servername); outputmsg.settousername(custermname); outputmsg.setcreatetime(createtime); outputmsg.setmsgtype(msgtype.news.getvalue()); list<articlesitem> articles = new arraylist<>(); articlesitem item1 = new articlesitem(); item1.settitle("晚天吹涼風"); item1.setdescription("點擊進入晚天吹涼風博客"); item1.setpicurl(wechatconstant.base_server + "resources/images/wechat/a.png"); item1.seturl("https://my.oschina.net/inchlifc/blog"); articles.add(item1); outputmsg.setarticles(articles); outputmsg.setarticlecount(articles.size()); return outputmsg; } |
判斷如果輸入數字1，返回圖文消息推送
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// 處理接收消息 servletinputstream in = request.getinputstream(); // 將post流轉換為xstream對象 xstream xs = new xstream(); xs = serializexmlutil.createxstream(); xstream.setupdefaultsecurity(xs); xs.allowtypes(new class[]{textmessage.class, inputmessage.class, articlesmessage.class}); xs.processannotations(inputmessage.class); xs.processannotations(articlesmessage.class); xs.processannotations(imagemessage.class); // 將指定節點下的xml節點數據映射為對象 xs.alias("xml", inputmessage.class); // 將流轉換為字符串 stringbuilder xmlmsg = new stringbuilder(); byte[] b = new byte[4096]; for (int n; (n = in.read(b)) != -1; ) { xmlmsg.append(new string(b, 0, n, "utf-8")); } logger.info("收到消息====" + xmlmsg.tostring()); // 將xml內容轉換為inputmessage對象 inputmessage inputmsg = (inputmessage) xs.fromxml(xmlmsg.tostring()); // 服務端 string servername = inputmsg.gettousername(); // 客戶端 string custermname = inputmsg.getfromusername(); // 接收時間 long createtime = inputmsg.getcreatetime(); // 返回時間 long returntime = calendar.getinstance().gettimeinmillis() / 1000; //接手文本內容 string content = inputmsg.getcontent(); // 取得消息類型 string msgtype = inputmsg.getmsgtype();if (msgtype.text.getvalue().equals(msgtype)) { //輸入1 推送博客信息 if ("1".equals(content)) { logger.info("收到文本1"); articlesmessage outputmsg = getblogmessage(custermname, servername, returntime); logger.info("返回博客圖文消息===" + xs.toxml(outputmsg)); response.getwriter().write(xs.toxml(outputmsg)); }} |
運行結果：
以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持服務器之家。
原文鏈接：https://www.cnblogs.com/PreachChen/archive/2018/03/27/8655394.html
