GBK code in idea is converted to UTF-8 format ctrl+c+v one second solution perfect solution for single code file escape

First step ： If a file uses GBK code , stay idea Pass through UTF-8 The way to load the file , There will be chaos . It can be used at this time ： Through the first reload Change the encoding format to GBK, At this time, the files you see are no longer garbled ; If you want the document to use UTF-8 code , Then through convert Change the file to UTF-8.（ At this time, the byte stream of the file has changed ）

The second step ： Using shortcut keys Ctrl+a Select the entire file code ; Reuse Ctrl+c Copy the entire code file ; Then press ← Delete the contents of the entire folder

![ Insert picture description here ](https://img-blog.csdnimg.cn/20200804172852940.pn

The third step ： This is the time to find idea The coding method in the lower right corner ,GBK The code here should show GBK Click to appear and select the coding method as UTF-8; Because the folder content is null at this time, it can be directly escaped ; There will be no garbled code ; Press... Again at this time Ctrl+V Paste the code copied to the clipboard ; At this point, the file code format is converted to UTF-8 file ;

UTF-8  and  GBK difference ：
 1.  GBK The text encoding of is represented by double bytes , That is to say, regardless of 、 English characters are represented by double bytes , Just to distinguish Chinese , Set the highest order as 1.    
 
 2.  UTF－8 Encoding is a multi byte encoding for international characters , It uses English 8 position （ A byte ）, Use of Chinese 24 position （ Three bytes ） Encoding . For forums with more English characters, use UTF－8 Save a space .     
 
  So for the same Chinese file , If you use GBK, It takes up more space than UTF-8 Be smaller .  The size relationship is ：1.5 * GBK = UTF-8.