用Kotlin在IntelliJ Idea中無法生成 spring-configuration-metadata.json 檔案

問題描述

在百度搜尋關鍵詞,搜尋到了 Stack Overflow 有相關問題

spring-configuration-metadata.json file is not generated in IntelliJ Idea for Kotlin @ConfigurationProperties class

原文連結:

https://stackoverflow.com/questions/37858833/spring-configuration-metadata-json-file-is-not-generated-in-intellij-idea-for-ko

按照裡面的方法試了一下,失敗了,然後繼續百度,在spring-boot的官方文檔中找到了相關線索, 直達連結:

https://docs.spring.io/spring-boot/docs/current/reference/html/boot-features-kotlin.html#boot-features-kotlin-configuration-properties

在spring官方文檔中找到了kotlin的官方示例,連結位址:

https://kotlinlang.org/docs/reference/kapt.html#using-in-maven

下面是我參考上面的文檔所得出來的可用方案

解決方案

一、添加插件

在pom檔案中添加插件,沒有寫版本号是因為項目繼承了

spring-boot-starter-parent

<plugins>
    <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <configuration>
            <proc>none</proc>
            <source>${java.version}</source>
            <target>${java.version}</target>
        </configuration>
        <executions>
            <!-- Replacing default-compile as it is treated specially by maven -->
            <execution>
                <id>default-compile</id>
                <phase>none</phase>
            </execution>
            <!-- Replacing default-testCompile as it is treated specially by maven -->
            <execution>
                <id>default-testCompile</id>
                <phase>none</phase>
            </execution>
            <execution>
                <id>java-compile</id>
                <phase>compile</phase>
                <goals>
                    <goal>compile</goal>
                </goals>
            </execution>
            <execution>
                <id>java-test-compile</id>
                <phase>test-compile</phase>
                <goals>
                    <goal>testCompile</goal>
                </goals>
            </execution>
        </executions>
    </plugin>

    <plugin>
        <artifactId>kotlin-maven-plugin</artifactId>
        <groupId>org.jetbrains.kotlin</groupId>
        <configuration>
            <args>
                <arg>-Xjsr305=strict</arg>
            </args>
            <compilerPlugins>
                <plugin>spring</plugin>
            </compilerPlugins>
            <jvmTarget>${java.version}</jvmTarget>
        </configuration>
        <executions>
            <execution>
                <id>kapt</id>
                <goals>
                    <goal>kapt</goal>
                </goals>
                <configuration>
                    <sourceDirs>
                        <sourceDir>src/main/kotlin</sourceDir>
                        <sourceDir>src/main/java</sourceDir>
                    </sourceDirs>
                    <annotationProcessorPaths>
                        <!-- Specify your annotation processors here. -->
                        <annotationProcessorPath>
                            <groupId>org.springframework.boot</groupId>
                            <artifactId>spring-boot-configuration-processor</artifactId>
                            <version>${spring.boot.version}</version>
                        </annotationProcessorPath>
                    </annotationProcessorPaths>
                </configuration>
            </execution>
            <execution>
                <id>compile</id>
                <phase>compile</phase>
                <goals>
                    <goal>compile</goal>
                </goals>
            </execution>
            <execution>
                <id>test-compile</id>
                <phase>test-compile</phase>
                <goals>
                    <goal>test-compile</goal>
                </goals>
            </execution>
        </executions>
        <dependencies>
            <dependency>
                <groupId>org.jetbrains.kotlin</groupId>
                <artifactId>kotlin-maven-allopen</artifactId>
                <version>1.2.20</version>
            </dependency>
        </dependencies>
    </plugin>
</plugins>
           

二、使用插件生成

我之前也是使用了同樣的插件,但是始終生成不出來檔案,直到看了kotlin官方文檔我才發現有這麼一句話

文字的意思是:

"請注意，kapt仍然不支援IntelliJ IDEA自己的建構系統。當你想要重新運作注釋處理器時，可以從“Maven Projects”工具欄啟動建構。"

很是坑爹啊,你也不标紅也不加粗是想怎樣啊

好了,那就按照他說的做吧, 輕按兩下下面的插件按鈕就可以生産

spring-configuration-metadata.json

檔案了

參考文檔:

https://stackoverflow.com/questions/37858833/spring-configuration-metadata-json-file-is-not-generated-in-intellij-idea-for-ko

https://docs.spring.io/spring-boot/docs/current/reference/html/boot-features-kotlin.html#boot-features-kotlin-configuration-properties

https://kotlinlang.org/docs/reference/kapt.html

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原文連結：https://blog.csdn.net/weixin_34049032/article/details/91736637