# WeChatApiPackage

**Repository Path**: rectcircle/WeChatApiPackage

## Basic Information

- **Project Name**: WeChatApiPackage
- **Description**: 微信接入验证及消息处理的责任链模式框架
- **Primary Language**: Java
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2016-07-11
- **Last Updated**: 2020-12-20

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

#WeChatApiPackage
##系统要求
JDK版本：jdk7以上
依赖：jackson、servlet-api
不依赖其他框架

##这个jar有什么功能
	封装token验证
	封装微信服务器POST的消息
	封装微信web开发中JS-SDK注入配置信息
	提供一个代理请求微信api的封装
	
##手册
###微信消息处理
流程图
	![消息处理流程图](http://git.oschina.net/uploads/images/2016/1001/230720_b8dbd389_727153.png "消息处理流程图")
	
您只需要实现若干个处理器即可完成消息的处理

接入指南（servlet环境）

示例代码：
```
//自定义处理器，需要实现MsgHandler 接口
import com.rectcircle.wechat.api.MsgApi;
import com.rectcircle.wechat.entrance.MsgHandler;
import com.rectcircle.wechat.msg.vo.Message;

public class MsgHandlerImpl implements MsgHandler {

	@Override
	public Message handleMsg(Message receiveMsg) {
		Message replyMsg = null;
		//TODO 业务逻辑
		if(receiveMsg.getMsgType().equals(MsgApi.Msg_Type_TEXT)){
			replyMsg = MsgApi.replyTextMsg(receiveMsg, "已经收到一条文本消息消息");
		}
		return replyMsg;
	}

}

```
```
//servlet代码
import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.rectcircle.test.service.MsgHandlerImpl;
import com.rectcircle.wechat.entrance.Dispatcher;
import com.rectcircle.wechat.entrance.MsgHandler;
import com.rectcircle.wechat.exception.ConfigException;


@WebServlet("/Home")
public class Home extends HttpServlet {
	private static final long serialVersionUID = 1L;

	private MsgHandler msgHandler;
	private Dispatcher dispatcher;
 
    public Home() {
        msgHandler = new MsgHandlerImpl();	//实例化消息处理器
        dispatcher = new Dispatcher("rectcircle");	//实例化分发器
        dispatcher.addHandler(msgHandler);	//添加处理器
        //继续添加处理器
    }

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		try {
			dispatcher.distribute(request, response);
		} catch (ConfigException e) {
			e.printStackTrace();
		}
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		doGet(request, response);
	}

}
```