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微信(企业微信/公众号)开发实战

作者: 蒋仁勇 | 来源:发表于2019-04-04 15:51 被阅读0次

整个九月闲了一个月,然后10月就开始忙的晕头转向,在连续加班2个星期的情况下,总算把微信公众号后台开发完成了。现在忙里偷闲,总结一波先。
项目需求的背景是源于微信公众号一配置服务器地址后,自动回复和菜单管理两个模块就不可用了,所以需要这两个模块单独拎出来做,感觉就是模仿公众号平台的操作页面,再做一遍。
一开始我是按照开发者文档,自己用HTTP请求调接口去实现,域名问题用本机ngrok内网穿透解决,资源自己百度,然后先申请一个未认证的个人号再申请一个测试号即可(不知道为什么测试号没有操作台很不直观而且感觉接口限制很多),流程就是,请求素材接口,然后组装菜单数据直接推送到公众号,当然自动回复模块的内容都要自己保存,微信回调到我们系统时按文档组装成微信需要的XML格式返回给微信端,这里对接微信,理解文档,定义相关实体类,表结构等等老花时间还做的不忍直视。好吧,我想应该不会只有我一个开发这种平台,果然一百度出来一堆插件,一开始只是用了部分fastweixin的实体类和部分实现方式去改善自己的代码,后来干脆直接接入weixin-java-tool,和微信端的事情就都交给这个SDK了。然后重写demo里的redis的实现,存储token到redis,其实可以就用demo里存在内存的实现,毕竟不是分布式。然后就是调用SDK实现类实现业务功能
企业微信也是一样,不过要注意的是weixin-java-tool调用查询部门成员详情接口时少了个is_leader_in_dept字段,需要自己去调接口实现,如下:

                departments.add(new Department(depart.getId(), depart.getName(), depart.getParentId(), 1, depart.getOrder()));
                String url = "https://qyapi.weixin.qq.com/cgi-bin/user/list?department_id=" + depart.getId();
                String params = "&fetch_child=" + "1";
                String responseContent = wxCpService.get(url, params);
                List<WxUser> wxUserList = JSON.parseObject(responseContent, WxUserListResult.class).getUserlist();

首先要在pom文件引入weixin-java-tool,weixin-java-cp是企业微信,weixin-java-mp是微信公众平台:

 <!--weixin-java-tool-->
        <dependency>
            <groupId>com.github.binarywang</groupId>
            <artifactId>weixin-java-common</artifactId>
            <version>3.3.7.B</version>
        </dependency>
        <dependency>
            <groupId>com.github.binarywang</groupId>
            <artifactId>weixin-java-cp</artifactId>
            <version>3.3.7.B</version>
        </dependency>

然后是配置:

import me.chanjar.weixin.cp.config.WxCpInMemoryConfigStorage;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

@Component
public class WxCpConfigStorage extends WxCpInMemoryConfigStorage {
    @Autowired
    private IRedisTemplateLoader redisTemplateLoader ;
    private static final String ACCESS_TOKEN_KEY = "work_wechat_access_token_";
    private static final String JSAPI_TICKET_KEY = "work_wechat_jsapi_ticket_";
    private String accessTokenKey = ACCESS_TOKEN_KEY;
    private String jsapiTicketKey = JSAPI_TICKET_KEY;

    @Override
    public String getAccessToken() {
        return redisTemplateLoader.get(this.accessTokenKey);
    }

    @Override
    public boolean isAccessTokenExpired() {
        return StringUtils.isEmpty(redisTemplateLoader.get(this.accessTokenKey));
    }

    @Override
    public synchronized void updateAccessToken(String accessToken, int expiresInSeconds) {
        redisTemplateLoader.set(this.accessTokenKey, accessToken, expiresInSeconds);
    }

    @Override
    public void expireAccessToken() {
        redisTemplateLoader.set(this.accessTokenKey, "", 1);
    }

    @Override
    public String getJsapiTicket() {
        return redisTemplateLoader.get(this.jsapiTicketKey);
    }

    @Override
    public boolean isJsapiTicketExpired() {
        return StringUtils.isEmpty(redisTemplateLoader.get(this.jsapiTicketKey));
    }

    @Override
    public synchronized void updateJsapiTicket(String jsapiTicket, int expiresInSeconds) {
        redisTemplateLoader.set(this.jsapiTicketKey, jsapiTicket, expiresInSeconds);
    }

    @Override
    public void expireJsapiTicket() {
        redisTemplateLoader.set(this.jsapiTicketKey, "", 0);
    }

import com.google.common.collect.Maps;
import me.chanjar.weixin.cp.api.WxCpService;
import me.chanjar.weixin.cp.api.impl.WxCpServiceImpl;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.Map;
import java.util.stream.Collectors;


@Configuration
@EnableConfigurationProperties(WxCpProperties.class)
public class WxCpConfiguration {
    private WxCpProperties properties;

    @Autowired
    public WxCpConfiguration(WxCpProperties properties) {
        this.properties = properties;
    }

    @Autowired
    WxCpConfigStorage configStorage;

    private static Map<String, WxCpService> cpServices = Maps.newHashMap();

    public static WxCpService getCpService(String agentId) {
        return cpServices.get(agentId);
    }


    @Bean
    public Object services() {
        cpServices = this.properties.getConfigs()
                .stream()
                .map(a -> {
                    configStorage.setCorpId(a.getCorpId());
                    configStorage.setCorpSecret(a.getCorpSecret());
                    configStorage.setAgentId(Integer.parseInt(a.getAgentId()));
                    configStorage.setToken(a.getToken());
                    configStorage.setAesKey(a.getAesKey());
                    WxCpService service = new WxCpServiceImpl();
                    service.setWxCpConfigStorage(configStorage);
                    return service;
                }).collect(Collectors.toMap(s -> s.getWxCpConfigStorage().getAgentId() + "", a -> a));
        return Boolean.TRUE;
    }

}
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;


public class JsonUtils {
    public static String toJson(Object obj) {
        Gson gson = new GsonBuilder()
            .setPrettyPrinting()
            .create();
        return gson.toJson(obj);
    }
}

import com.uniubi.internal.util.JsonUtils;
import org.springframework.boot.context.properties.ConfigurationProperties;

import java.util.List;


@ConfigurationProperties(prefix = "wx.cp")
public class WxCpProperties {
    private List<CpConfig> configs;

    public List<CpConfig> getConfigs() {
        return configs;
    }

    public void setConfigs(List<CpConfig> configs) {
        this.configs = configs;
    }

    public static class CpConfig {
        /**
         * 设置企业微信的corpId
         */
        private String corpId;

        /**
         * 设置企业微信的corp secret
         */
        private String corpSecret;
        /**
         * 设置微信企业号应用ID
         */
        private String agentId;

        /**
         * 设置微信公众号的token
         */
        private String token;

        /**
         * 设置微信公众号的EncodingAESKey
         */
        private String aesKey;

        public String getCorpId() {
            return corpId;
        }

        public void setCorpId(String corpId) {
            this.corpId = corpId;
        }

        public String getCorpSecret() {
            return corpSecret;
        }

        public void setCorpSecret(String corpSecret) {
            this.corpSecret = corpSecret;
        }

        public String getAgentId() {
            return agentId;
        }

        public void setAgentId(String agentId) {
            this.agentId = agentId;
        }

        public String getToken() {
            return token;
        }

        public void setToken(String token) {
            this.token = token;
        }

        public String getAesKey() {
            return aesKey;
        }

        public void setAesKey(String aesKey) {
            this.aesKey = aesKey;
        }
    }

    @Override
    public String toString() {
        return JsonUtils.toJson(this);
    }
}

最后在application.yml里添上如下配置:


配置.png

就可以愉快的在代码里调用SDK了:


调用.png

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