What about idea Chinese garbled code

If you have tried many methods of articles , If it still hasn't been solved , I recommend my method to you , But my method is limited to IDEA Configuration problem , I haven't tried maven and Tomcat.

Replace jdk edition

because jdk18 Version adopts GBK code , When we write code, we use UTF-8 code , It is likely to make the console disordered , So if there is 18 Version of friends strongly recommend changing to 17 Version of , This operation is not troublesome , First, click the official website ORACLE

Click on the Java 17, Go to the following page

Click the first compressed package to download and install , Which disk is installed in which , Remember where you store it .
open settings Set up , Path as follows ：File——> Settings——>Build, Execution, Deployment——> Build Tools ——> Maven ——>Runner
By this time you have opened Runner page , It should look like this ：

Click... On the right JRE：Use Project JDK, hold 17 Version of jdk Path added in .

Return to the compilation area , Click on Edit Configurations

take Build and Run Of jdk Add your download path to the path , Now it's done , Reopen IDEA, You should be able to output Chinese characters normally . If it's still garbled , Then you can see my next operation （ It is the same as other articles ）

The same operation as other articles

Follow the path in the picture ,File | Settings | Editor | File Encodings, All three places are UTF-8.

Follow this path , Add code -Dfile.encoding=UTF-8

find encoding.xml, Make sure it's all UTF-8 Coding form , If there is something wrong, delete it .

find idea64.exe.vmoptions file , Add code on the last line ：

-Dfile.encoding=UTF-8

According to my experience of searching for two hours , These operations are repeated , The final solution to my problem is to replace jdk edition , Write down this sharing, hoping to help you ！