# IntelliJ Idea

### 中文化

<https://github.com/IntelliJ-Localization/ij_resources_cn>

#### 教學手冊

<https://www.jetbrains.com/help/idea/install-and-set-up-product.html>

#### JAVA 11 DOC

<https://docs.oracle.com/en/java/javase/11/docs/api/index.html>

## Postfix Completions

參考資料:(<https://stackoverflow.com/questions/29248188/is-there-a-way-to-create-custom-postfix-completions-in-intellij>)

`$END$` 光標停的位置

`$EXPR$` 該物件放的位置

例如:我想要印出一個 Map `Map<String,String> map`

```
for(String key : map.keySet()){
    System.out.println("key + \"\" + params.get(key) = " + key + "" + map.get(key));
}
```

我只要設定 這個 Postfix Completions 的關鍵字為 `soutfor`

```
for(String key : $EXPR$.keySet()){
    System.out.println("key + \"\" + params.get(key) = " + key + "" + $EXPR$.get(key));
}
```

然後打

`map.soutfor`

就可以產生上面那段了

## Live Templates

可以利用此功能，去定義習慣的快捷鍵

Abbreviation : 設定這個模板的快捷鍵\
Description : 你對這個模板的描述\
Template text : 這個模板的內容 (請參考下面的內容)\
1\. 的地方要選擇你的語言，以我這邊為例，就是點進去，把 "Java" 勾起來\
2\. 可以對一些參數進行預設 (下圖2)

![圖1](/files/-Lz6JJmeETjr-9Fj-pBv)

Template text

```
/**
 * $END$
 * @param $params$
 * @return $returns$
 * @author Brian
 * @date $date$ $time$
 */ 
```

![圖2](/files/-Lz6JV1fXpNLGnHoqzOt)

這樣我只要打 `***` + tab 就可以產生下面結果

&#x20;

```
/**
 * 
 * @param 
 * @return 
 * @author Brian
 * @date 2020/01/21 17:05:03
 */ 
```

## File and Code Templates

到 Includes / Files Header 的內容 輸入下面的文字

```
/**
@author ${USER}
@date ${DATE} ${TIME}
*/
```

就可以在以後產生 class 檔的時候，直接附上創建者 & 創建時間


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