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README
Apache-2.0

fn-weixin

一个轻量级微信公众号与小程序消息接入Api组件【极速开发】



Fn Apache2.0
Maven

介绍

jfinal weixin 的 spring boot starter,这个starter是为了方便用户快速接入微信公众号与小程序消息。 具体demo请查看:fn-weixin-demoJFinal-weixin文档 。内置SpringBoot2.6.2、Lombok,开包即用,搭建项目引用该依赖即可实现SpringBoot项目开发,无需考虑SpringBoot依赖。配置、缓存弹性扩展。

使用说明

兼容性
version spring boot version java version
2.3.0 2.6.2 1.8
Maven
<dependency>
    <groupId>cn.fntop</groupId>
    <artifactId>fn-weixin</artifactId>
    <version>2.3.0</version>
</dependency>
公众号
  1. 继承FnMsgControllerAdapter,实现需要重写的消息。

  2. 类添加注解@FnMsg,注解value为你的消息地址,使用/weixin/wx,已经组合[@RequestMapping和@Controller]

小程序
  1. 继承FnApiMsgController,实现需要重写的消息。

  2. 添加注解@FnMsg,注解value为你的消息地址,使用/weixin/wxa,已经组合[@RequestMapping和@Controller]

Api

添加该注解的类直接放行或者@FnRestApi

  1. 类添加@FnApi,注解value为你的消息地址,使用/weixin/api,已经组合[@RequestMapping和@Controller]

配置

fn:
  weixin:
    dev-mode: true #设为开发模式可以在开发阶段输出请求交互的 xml 与 json 数据,并且不会进行签名验证
    accessTokenCache: fn-wexin #避免本地将线上AccessToken冲掉,上线设置其他值或者改变dev-mode值
    wx-configs: #公众号
      - app-id: : wxc03e*********d1e70
        app-secret: : 11ed9*********e*********a42b2b5a
        token: 123456
        encoding-aes-key: : xxx
        encrypt-message: : true  #消息是否加密
    wxa-configs: #小程序
      - app-id: wx*************b3dcb
        app-secret: eec6**********bd10895bace0579
    app-id-key: appId  #决定用小程序还是公众号,请求如下:/weixin/wx?appId=xxx 
    url-patterns: /weixin/*  #默认放行路径,基本接口路径 @FnMsg value 值必须在该路径

友善提示

img.png

配置说明

配置项 默认值 说明
fn.weixin.access-token-cache fn-weixin-cache#9845s 缓存名,默认fn-weixin-cache#9845s
fn.weixin.app-id-key appId 多公众号时,appIdKey模式【适用同时开发公众号和小程序】,如:/weixin/wx?appId=xxx
fn.weixin.auto-filter false 是否开启自动筛选模式【适用只开发公众号或小程序】,自动筛选模式和appIdkey模式相反,appIdKey模式是前端决定用哪个,而自动筛选是通过appId后端判断用哪个,筛选模式会覆盖appIdKey模式
fn.weixin.app-id null 自动筛选模式的appId,如果开启自动筛选,不填默认第一个公众号或小程序
fn.weixin.dev-mode false 开发模式,不签名验证直接请求通过,且会输出请求交互
fn.weixin.url-patterns /weixin/* weixin 消息处理spring拦截器url前缀
fn.weixin.wx-configs 公众号的配置 多公众号配置,存在多个配置需要开启appIdKey模式或自动筛选模式,都不使用则默认使用第一个配置项
fn.weixin.wxa-configs 小程序配置 多小程序配置,存在多个配置需要开启appIdKey模式或自动筛选模式,都不使用则默认使用第一个配置项

自定义公众号&小程序配置

实现 WxConfigLoader 即可,可以从数据库中获取。

/**
 * 微信配置加载器,用于自定义实现
 * #order值大于1即可扩展其他配置,默认等于1使用yml配置
 */
@Configuration
@Order(1)
@RequiredArgsConstructor
public class WxConfigDefaultLoader implements WxConfigLoader {

    private final FnConfig config;
    @Override
    public List<ApiConfig> loadWx() {
        // 公众号
        return config.getWxConfigs();
    }

    @Override
    public List<WxaConfig> loadWxa() {
        // 小程序
        return config.getWxaConfigs();
    }
}

自定义缓存配置

实现 IAccessTokenCache 即可

/**
 * 基于 spring cache 的 weixin token 缓存
 * #order值大于1即可扩展其他配置,默认等于1使用SpringAccessTokenCache
 */
@RequiredArgsConstructor
@Configuration
@Order(1)
public class SpringAccessTokenCache implements IAccessTokenCache {
    private final FnConfig config;
    private final static String ACCESS_TOKEN_PREFIX = "fn:token:";
    private final CacheManager cacheManager;
    private final FnConfig properties;

    private String getKey() {
        StringBuilder buf = new StringBuilder().append(ACCESS_TOKEN_PREFIX);
        if (config.getDevMode()) {
            buf.append("dev");
        }
        return buf.toString();
    }

    @Override
    public String get(String key) {
        return getCache().get(getKey() + key, String.class);
    }

    @Override
    public void set(String key, String jsonValue) {
        getCache().put(getKey() + key, jsonValue);
    }

    @Override
    public void remove(String key) {
        getCache().evict(getKey() + key);
    }

    private Cache getCache() {
        String accessTokenCacheName = properties.getAccessTokenCache();
        Cache cache = cacheManager.getCache(accessTokenCacheName);
        return Objects.requireNonNull(cache, "AccessToken cache is null.");
    }

}

常见问题

使用阿里云镜像无法拉取

尝试如下代码,central没用的话改成*all试试

    <mirrors>	
		<mirror>
            <id>alimaven</id>
            <name>aliyun maven</name>
            <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
            <mirrorOf>central</mirrorOf>
        </mirror>
    </mirrors>

开源推荐

更新说明

2023-03-16

  • 稳定版本,可对接所有公众号接口,具体查看fn-weixin-demo
  • 解决对接公众号除模板消息外其他接口异常问题,同时更新对应的小程序接口问题
  • 新增自动筛选模式
  • @RestFnApi 更名为@FnRestApi

2023-03-16

  • 可用不稳定版本,可对接公众号模板消息,具体查看fn-weixin-demo
  • 解决WeixinAppConfig初始化问题
  • 新增@RestFnApi注解,封装了@RestController+@RequestMapping
  • WxConfigDefaultLoader新增日志
  • 删除yml配置注释,注释统一放到配置类FnConfig
  • 解决引入依赖需要重新引入lombok问题

2023-03-12

  • 可用不稳定版本【可正常启动项目,但不能对接公众号或小程序】
  • 解决引用@RequiredArgsConstructor注解需要导入lombok问题

2023-03-12

  • 不可用版本
  • 打包排除启动类和application.yml文件
  • 更新Lisence
  • spring-boot-starter-parent更换为spring-boot-dependencies
  • 更改jfinal、jfinal-weinx的scope为compile

2023-03-09

  • 不可用版本
  • 解决引入依赖SpringBoot项目启动报错

2023-03-09

  • @FnApi、@FnApi封装升级

2023-03-09

  • 修复 默认配置加载器失败问题。
  • 升级 java 到 1.8
  • 升级 Spring boot 到 2.6.2
  • 升级 jfinal 到 4.9.17
  • 升级 jfinal-weixin 到 3.4
  • 升级 lombok 到 1.18.22
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简介

一个轻量级微信公众号消息与小程序消息接入Api组件 展开 收起
Java
Apache-2.0
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