spring.datasource.url=jdbc:mysql://127.0.0.1:3306/tendency_db?useUnicode=true&characterEncoding=utf8mb4&allowMultiQueries=truespring.datasource.username=root spring.datasource.password=esns 然而运行时报错了 Causedby:org.flywaydb.core.internal.exception.FlywaySqlException:Unableto obtain connectionfromdata...
java配置mysql连接url中useUnicode=true&characterEncoding=utf8&serverTimezone=Asia/Shanghai作用,程序员大本营,技术文章内容聚合第一站。
描述:java项目连mysql时报错“java.sql.SQLException: Unknown character set index for field '255' received from server” 原因:这是编码不匹配的原因,MySQL驱动和数据库字符集设置不搭配,默认字符集已从latin1变成utf8mb4,因而系统变量受到影响 解决:直接在连接的URL后加上 useUnicode=true&characterEncoding=utf8...
import ( "gorm.io/driver/mysql" "gorm.io/gorm" ) func main() { // refer https://github.com/go-sql-driver/mysql#dsn-data-source-name for details dsn := "user:pass@tcp(127.0.0.1:3306)/dbname?charset=utf8mb4&parseTime=True&loc=Local" db, err := gorm.Open(mysql.Open(dsn), &...
Warning | 3719 | 'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous. 2019-12-17 15:36 −MySQL的“utf8”实际上不是真正的UTF-8。“utf8”只支持每个字符最多三...