现在出现了这个问题 你能判断出是什么问题导致的码
xml文件的位置public interface MqttUserMapper {
MqttUser findByUsername(String username);
}
@SpringBootApplication
@MapperScan("org.ims.auth.mapper")
public class IotEmqxAuthApplication {
public static void main(String[] args) {
SpringApplication.run(IotEmqxAuthApplication.class, args);
}
} org.springframework.beans.factory.BeanDefinitionStoreException: Invalid bean definition with name 'mqttUserMapper' defined in file [F:\Ims-Plus\Ims-Plus\ims-iot-processor\iot-emqx-auth\target\classes\org\ims\auth\mapper\MqttUserMapper.class]: Invalid value type for attribute 'factoryBeanObjectType': java.lang.String
maven:<project
xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/
XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>3.4.7</version>
<relativePath/> <
!-- lookup parent from repository -->
</parent>
<groupId>org.ims</groupId>
<artifactId>iot-emqx-auth</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>iot-emqx-auth</name>
<description>iot-emqx-auth</description>
<url/>
<licenses>
<license/>
</licenses>
<developers>
<developer/>
</developers>
<scm>
<connection/>
<developerConnection/>
<tag/>
<url/>
</scm>
<properties>
<java.version>17</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.eclipse.paho</groupId>
<artifactId>org.eclipse.paho.client.mqttv3</artifactId>
<version>1.2.2</version>
</dependency>
<
!-- MyBatis Starter -->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>3.0.2</version> <
!-- 必须 3.x -->
</dependency>
<
!-- MySQL 驱动 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.27</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
# Tomcat
server:
port: 8001
spring:
datasource:
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://localhost:3306/ims-emqx?useSSL=false&useUnicode=true&characterEncoding=utf-8&serverTimezone=Asia/Shanghai
username: root
password: IMS852123.
mybatis: # ← 注意这里是 spring 的子
节点
type-aliases-package: org.ims.auth.domain
mapper-locations: "classpath:mapper/*.
xml"
configuration:
map-underscore-to-camel-case: true
logging:
level:
org.ims.auth.mapper: debug # 输出SQL日志
<?
xml version="1.0" encoding="UTF-8" ?>
<
!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="org.ims.auth.mapper.MqttUserMapper">
<
!-- 结果映射，字段与实体类属性映射关系 -->
<resultMap id="MqttUserResultMap" type="org.ims.auth.domain.MqttUser">
<id property="id" column="id" />
<result property="username" column="username"/>
<result property="password" column="password"/>
<result property="enable" column="enable"/>
<result property="createTime" column="create_time"/>
<result property="updateTime" column="update_time"/>
<result property="remark" column="remark"/>
</resultMap>
<
!-- 查询：根据用户名获取用户信息 -->
<select id="findByUsername" resultMap="MqttUserResultMap" parameterType="string">
SELECT
id,
username,
password,
enable
FROM mqtt_user
WHERE username = #{username}
LIMIT 1
</select>
</mapper>
本文介绍如何在xml字符串开始处插入<!DOCTYPE>并使用msxml进行加载的方法, 注意不能用createNode创建DOCTTYPE节点。
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