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feat: 【IoT 物联网】新增简单类型处理器配置和处理器，优化 JSON 解析问题
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haohao
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package cn.iocoder.yudao.module.iot.framework.mybatis.config;
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import cn.iocoder.yudao.module.iot.framework.mybatis.handler.SimpleObjectTypeHandler;
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import jakarta.annotation.PostConstruct;
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import jakarta.annotation.Resource;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.ibatis.session.SqlSessionFactory;
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import org.apache.ibatis.type.TypeHandlerRegistry;
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import org.springframework.context.annotation.Configuration;
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/**
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* 简单类型处理器配置
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* 注册自定义的类型处理器，避免 JSON 解析错误
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*
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* @author 芋道源码
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*/
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@Slf4j
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@Configuration
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public class SimpleTypeHandlerConfig {
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@Resource
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private SqlSessionFactory sqlSessionFactory;
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@PostConstruct
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public void registerTypeHandlers() {
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TypeHandlerRegistry registry = sqlSessionFactory.getConfiguration().getTypeHandlerRegistry();
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// 注册简单的 Object 类型处理器，避免 JSON 解析问题
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registry.register(java.lang.Object.class, new SimpleObjectTypeHandler());
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log.info("简单类型处理器注册完成，避免 JSON 解析错误");
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}
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}
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package cn.iocoder.yudao.module.iot.framework.mybatis.handler;
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import org.apache.ibatis.type.BaseTypeHandler;
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import org.apache.ibatis.type.JdbcType;
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import java.sql.CallableStatement;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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/**
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* 简单的 Object 类型处理器
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* 直接返回字符串，避免 JSON 解析问题
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*
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* @author 芋道源码
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*/
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public class SimpleObjectTypeHandler extends BaseTypeHandler<Object> {
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@Override
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public void setNonNullParameter(PreparedStatement ps, int i, Object parameter, JdbcType jdbcType)
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throws SQLException {
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ps.setString(i, parameter.toString());
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}
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@Override
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public Object getNullableResult(ResultSet rs, String columnName) throws SQLException {
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return rs.getString(columnName); // 直接返回字符串
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}
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@Override
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public Object getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
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return rs.getString(columnIndex); // 直接返回字符串
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}
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@Override
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public Object getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
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return cs.getString(columnIndex); // 直接返回字符串
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}
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}
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@ -66,8 +66,15 @@
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DESCRIBE product_property_${productId}
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</select>
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<resultMap id="IotDevicePropertyRespVOMap"
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type="cn.iocoder.yudao.module.iot.controller.admin.device.vo.property.IotDevicePropertyRespVO">
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<result property="value" column="value"
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typeHandler="cn.iocoder.yudao.module.iot.framework.mybatis.handler.SimpleObjectTypeHandler"/>
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<result property="updateTime" column="update_time" javaType="java.lang.Long"/>
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</resultMap>
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<select id="selectListByHistory"
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resultType="cn.iocoder.yudao.module.iot.controller.admin.device.vo.property.IotDevicePropertyRespVO">
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resultMap="IotDevicePropertyRespVOMap">
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SELECT ${@cn.hutool.core.util.StrUtil@toUnderlineCase(reqVO.identifier)} AS `value`, ts AS update_time
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FROM device_property_${reqVO.deviceId}
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WHERE ${@cn.hutool.core.util.StrUtil@toUnderlineCase(reqVO.identifier)} IS NOT NULL
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@ -68,7 +68,13 @@ public class IotMqttUpstreamHandler {
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log.info("[handle][设备认证成功，建立连接，客户端 ID: {}，用户名: {}]", clientId, username);
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// 2. 设置异常和关闭处理器
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// 2. 设置心跳处理器（监听客户端的 PINGREQ 消息）
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endpoint.pingHandler(v -> {
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log.debug("[handle][收到客户端心跳，客户端 ID: {}]", clientId);
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// Vert.x 会自动发送 PINGRESP 响应，无需手动处理
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});
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// 3. 设置异常和关闭处理器
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endpoint.exceptionHandler(ex -> {
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log.warn("[handle][连接异常，客户端 ID: {}，地址: {}]", clientId, connectionManager.getEndpointAddress(endpoint));
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cleanupConnection(endpoint);
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@ -77,7 +83,7 @@ public class IotMqttUpstreamHandler {
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cleanupConnection(endpoint);
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});
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// 3. 设置消息处理器
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// 4. 设置消息处理器
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endpoint.publishHandler(message -> {
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try {
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processMessage(clientId, message.topicName(), message.payload().getBytes());
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@ -100,7 +106,7 @@ public class IotMqttUpstreamHandler {
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}
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});
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// 4. 设置订阅处理器
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// 5. 设置订阅处理器
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endpoint.subscribeHandler(subscribe -> {
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// 提取主题名称列表用于日志显示
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List<String> topicNames = subscribe.topicSubscriptions().stream()
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@ -115,22 +121,22 @@ public class IotMqttUpstreamHandler {
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endpoint.subscribeAcknowledge(subscribe.messageId(), grantedQoSLevels);
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});
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// 5. 设置取消订阅处理器
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// 6. 设置取消订阅处理器
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endpoint.unsubscribeHandler(unsubscribe -> {
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log.debug("[handle][设备取消订阅，客户端 ID: {}，主题: {}]", clientId, unsubscribe.topics());
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endpoint.unsubscribeAcknowledge(unsubscribe.messageId());
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});
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// 6. 设置 QoS 2消息的 PUBREL 处理器
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// 7. 设置 QoS 2消息的 PUBREL 处理器
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endpoint.publishReleaseHandler(endpoint::publishComplete);
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// 7. 设置断开连接处理器
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// 8. 设置断开连接处理器
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endpoint.disconnectHandler(v -> {
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log.debug("[handle][设备断开连接，客户端 ID: {}]", clientId);
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cleanupConnection(endpoint);
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});
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// 8. 接受连接
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// 9. 接受连接
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endpoint.accept(false);
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}
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@ -103,7 +103,6 @@ yudao:
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port: 1883
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max-message-size: 8192
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connect-timeout-seconds: 60
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keep-alive-timeout-seconds: 300
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ssl-enabled: false
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--- #################### 日志相关配置 ####################
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