Solution to Chinese garbled data written by java to mysql

The reason for garbled characters is inconsistent character sets. Usually, it is only necessary that the character set specified when creating the database table is consistent with the character set specified by the java setting database connection setting URL.

1. When creating the database:

CREATE   DATABASE   `Db` 
CHARACTER   SET   'utf8 ' 
COLLATE   'utf8_general_ci ';

2. When creating the table:

CREATE   TABLE   `TableA`   ( 
   `ID`   varchar(40)   NOT   NULL   default   ' ', 
    `UserID`   varchar(40)   NOT   NULL   default   ' ',  ) 
      ENGINE=InnoDB   DEFAULT   CHARSET=utf8;

3. When setting the database url in java:

jdbc:mysql://localhost:3306/store_40?useUnicode=true&characterEncoding=utf-8

For more java knowledge, please pay attention to the java basic tutorial column.

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