自動回覆消息

添加jar

<!--json轉爲對象包-->
    <dependency>
      <groupId>com.google.code.gson</groupId>
      <artifactId>gson</artifactId>
      <version>2.8.3</version>
    </dependency>

    <!--解析xml-->
    <dependency>
      <groupId>dom4j</groupId>
      <artifactId>dom4j</artifactId>
    </dependency>
    <dependency>
      <groupId>com.thoughtworks.xstream</groupId>
      <artifactId>xstream</artifactId>
      <version>1.4.10</version>
    </dependency>

實體類

    公共消息實體

public class BaseMessage {

    protected String ToUserName;
    protected String FromUserName;
    protected long CreateTime;
    protected String MsgType;
    private Voice Voice;

    public Voice getVoice() {
        return Voice;
    }

    public void setVoice(Voice voice) {
        Voice = voice;
    }

    public BaseMessage() {
        super();
    }

    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;
    }

}

    文本消息

    

public class MessageText extends BaseMessage {
    private String Content;// 文本消息內容

    private String MsgId;// 消息id，64位整型

    public MessageText() {

    }

    public MessageText(String toUserName, String fromUserName, long createTime, String msgType, String content,
                       String msgId) {
        super();
        ToUserName = toUserName;
        FromUserName = fromUserName;
        CreateTime = createTime;
        MsgType = msgType;
        Content = content;
        MsgId = msgId;
    }

    public String getContent() {
        return Content;
    }

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

    public String getMsgId() {
        return MsgId;
    }

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

    }
}

語音消息

public class Voice extends BaseMessage{
    private String MediaId;


    public Voice(){}
    public Voice(String toUserName, String fromUserName, long createTime, String msgType,
                 String mediaId) {
        super();
        ToUserName = toUserName;
        FromUserName = fromUserName;
        CreateTime = createTime;
        MsgType = msgType;
        MediaId = mediaId;
    }

    public String getMediaId() {
        return MediaId;
    }

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

消息工具類

import com.thoughtworks.xstream.XStream;

import java.util.Date;


public class TextMessageUtil {
    /**
     * 將發送消息封裝成對應的xml格式
     */
    public  String messageToxml(BaseMessage message) {
        XStream xstream  = new XStream();
        xstream.alias("xml", message.getClass());
        return xstream.toXML(message);
    }
    /**
     * 封裝文本發送消息對象,封裝時，須要將調換髮送者和接收者的關係
     * @param FromUserName
     * @param ToUserName
     */
    public  String initMessage(String FromUserName, String ToUserName,String content) {
        MessageText text = new MessageText();
        text.setToUserName(FromUserName);
        text.setFromUserName(ToUserName);
        text.setContent(content);
        text.setCreateTime(new Date().getTime());
        text.setMsgType("text");
        return  this.messageToxml(text);
    }
    /**
     * 封裝音樂發送消息對象,封裝時，須要將調換髮送者和接收者的關係
     * @param FromUserName
     * @param ToUserName
     */
    public  String musicMessage(String FromUserName, String ToUserName,String mediaId) {
        BaseMessage text = new BaseMessage();
        text.setToUserName(FromUserName);
        text.setFromUserName(ToUserName);

        text.setCreateTime(new Date().getTime());
        text.setMsgType("voice");
        this.messageToxml(text);
        Voice music=new Voice();
        music.setMediaId(mediaId);
        text.setVoice(music);
        return  this.messageToxml(text);
    }

}

請求路徑

@PostMapping("checkToken")
    public void selectMenu(HttpServletRequest request, HttpServletResponse response){

        response.setCharacterEncoding("UTF-8");
        PrintWriter out = null;
        //將微信請求xml轉爲map格式，獲取所需的參數
        Map<String,String> map = MessageUtil.xmlToMap(request);
        String ToUserName = map.get("ToUserName");
        String FromUserName = map.get("FromUserName");
        String MsgType = map.get("MsgType");
        String Content = map.get("Content");
        System.out.println(ToUserName);
        System.out.println(FromUserName);
        System.out.println(MsgType);
        System.out.println(Content);
        String message = null;
        //處理文本類型，實現輸入1，回覆相應的封裝的內容
        if("text".equals(MsgType)){
            TextMessageUtil textMessage = new TextMessageUtil();
            if("我愛你".equals(Content)){

                message = textMessage.musicMessage(FromUserName, ToUserName,「這裏填寫你上傳語音文件時返回的media_id」);

                System.out.println(message);
            }else{
                message = textMessage.initMessage(FromUserName, ToUserName,"我是你爸爸，給我好好說話,說的什麼亂七八糟的我聽不懂");
                System.out.println(message);
            }
        }
        try {
            out = response.getWriter();
            out.write(message);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        out.close();
    }