IDEA各項操作
建立yml 不是啟動的
點yml->右鍵 ->Reload from dik
出現parent標籤報錯/外掛build報錯
加版本號 / file->invalidate caches->clear downloaded shared indexes ->invalidate and restart
解決埠號被佔用問題
cmd->netstat -ano|findstr "8080"->taskkill /f /t /pid 8600
萬能取消指令
ctrl+c
通過滑鼠滾輪實現字型大小
file->settings->Editor->General->Mouse control ->Changes font size whith ctrl+Mouse wheel
去除大小寫匹配
file->settings->Editor->General->codecompletion->Match Case(勾去掉)
設定引數自動提示
file->settings->Editor->General->codecompletion->parameter info ->show parameter--+show the parameter--+show full method
設定字符集，要求使用UTF-8編碼 中文亂碼問題
file->settings->Editor->file encodings ->global encoding--+project encoding--+default encoding for properties files
配置專案編碼方式
file->settings-> Editor->file Encodings->Project Encoding/Default encoding for改為UTF8
實現IDEA自動編譯
file->settings->build->compiler ->build project automatically--+compile independent modules in parallel
Maven測試專案刪除
點Maven專案->右鍵->remove module->remove
建立專案pom.xml不能識別問題
點pom.xml->右鍵->+add as Maven project
pom有橫線
file->settings->build->buildtools->Maven->lgnored Files->打勾的全部取消
外掛安裝(熱部署)
file->settings->plugins->lombok->installed->apply->ok
IDEA安裝外掛（maven helper）
file->settings->plugins->maven helper->installed->apply->ok
@Autowired中屬性封裝報錯
file->settings->editor->inspections->spring core->core ->Autowiring for been/autowiring inspring been component->apply->ok
檢測錯誤
file->settings->editor->inspections->spring core->core->Autowiring for been class ->severity->no highlighting.only fix->apply->ok
自動導包快捷鍵
File->settings->editor->general->auto import->add unambiguous imports on the fly和optimize imports on the fly都打勾->apply->ok
配置JDK編譯環境
file->settings->build->compiler->全部打勾
maven環境配置本地儲存
file->settings->build->buildtools->Maven->maven home path:...apache-maven-3.6.3 user settings file:..conf/settings--+local repository:本地磁碟，在 conf/settings中查詢
完成IDEA環境配置，測試專案建立
File->new->project->springlnitializr->project SDK1.8->next ->group/artifact/java version8版本->next->web->springweb->next
修改檔案版本號
file->settings->build->compiler->Java compiler->Project bytecode version改為8
XML檔案中parent標籤報錯/外掛報錯說明
File ->invalidate Caches/Restart ->Clear downloaded shared indexes 打勾 ->invalidate and shared indexes 和將上文的版本號複製 貼上到build標籤中
IDEA連線資料庫
右邊database -> 左上角 + ->DataSource ->Mysql ->User使用者名稱->password 密碼
->URL:jdbc:mysql://localhost:3306/nacos_config?serverTimezone=Asia/Shanghai&characterEncoding=utf8
->Test Connection測試一下->Apply ->ok
執行資料庫-->在右側空白處右鍵-->run SQL script
顯示資料庫-->在右側空白處右鍵-->database Tools-->manage shown schemas
IDEA工具的隱藏 顯現
view ->Tool windows
反序列化時的UID與序列化時的UID要保持一致，或者測試時一次序列操作對應一次反序列化操作,否則不匹配就報錯
File->settings->editor->inspections->搜尋UID->serializable class without serialVersionUID後面打對勾->severity:waring inAll Scopes ->Apply->ok