SpringBoot修改程式碼或配置檔案不生效，需要每次mvn clean mvn install

阿新 • • 發佈：2021-08-09

核心問題：缺少.iml檔案

在idea中點選Terminal，輸入mvn idea:module 生成 專案名稱.iml檔案，即可解決問題
如果生成失敗，提示Error parsing existing IML file什麼的，直接進資料夾刪掉.iml檔案，重新生成，再不行就關掉idea，刪掉.iml檔案，重新開啟，生成，即可解決問題。

iml檔案內容

<?xml version="1.0" encoding="UTF-8"?>
<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
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    <facet type="web" name="Web">
      <configuration>
        <webroots />
        <sourceRoots>
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          <root url="file://$MODULE_DIR$/src/main/resources" />
        </sourceRoots>
      </configuration>
    </facet>
    <facet type="Spring" name="Spring">
      <configuration />
    </facet>
  </component>
  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
    <output url="file://$MODULE_DIR$/target/classes" />
    <output-test url="file://$MODULE_DIR$/target/test-classes" />
    <content url="file://$MODULE_DIR$">
      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
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