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java - 类显示在自动完成中但无法导入 -IntelliJ

转载 作者:太空宇宙 更新时间:2023-11-04 10:11:49 32 4
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服务项目使用 DataLayer 中的类。我已将依赖项添加到 Services POM。当尝试从 DataLayer 导入 UserRepository 类时,IntelliJ 自动完成会显示该类,但当我按 Enter 键时,它会显示“无法解析符号 DataLayer”。

我检查了本地maven存储库,可以在正确的位置看到Jar文件。

尝试使缓存无效,但没有成功。

重新导入依赖项也不起作用。

这是两个项目的 POM 文件以及来自 intelliJ 的屏幕截图

服务 - pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>

<groupId>com.schoolgallery</groupId>
<artifactId>Services</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>

<name>Services</name>
<description>Demo project for Spring Boot</description>

<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.4.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>

<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>

<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>

<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.schoolgallery</groupId>
<artifactId>DataLayer</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
</dependencies>

<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>

数据层 - pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>

<groupId>com.schoolgallery</groupId>
<artifactId>DataLayer</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>

<name>DataLayer</name>
<description>Demo project for Spring Boot</description>

<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.4.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>

<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>

<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>

<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
</dependencies>

<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>

enter image description here

错误显示为:

enter image description here

编辑

该项目采用 MVC 架构,其中包含 API、服务和数据层的独立模块。

请找到服务和数据层的项目结构。

Services

DataLayer

enter image description here

最佳答案

将父 POM 依赖项添加到子项目中就成功了!!

<parent>
<artifactId>parent-pom</artifactId>
<groupId>com.schoolgallery</groupId>
<version>0.0.1-SNAPSHOT</version>
</parent>

如果您有自定义父 POM,请记住更改 spring boot starter 父级,因为有两个父级标记会引发错误。

这描述得很好here

关于java - 类显示在自动完成中但无法导入 -IntelliJ,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/52207247/

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