dotnet 3.1 之后,需要升级 dotnet ef命令
dotnet tool install --global dotnet-ef
命令使用帮助
dotnet ef dbcontext scaffold -h
Arguments:
参数:
The connection string to the database.
数据库连接字符串
The provider to use. (E.g. Microsoft.EntityFrameworkCore.SqlServer)
提供程序类型
Options:
其他选项:
-d|–data-annotations Use attributes to configure the model (where possible). If omitted, only the fluent API is used.
数据注释使用属性来配置模型(如果可能)。如果省略,则只使用fluent API。
-c|–context The name of the DbContext.
DbContext 的名称
–context-dir The directory to put DbContext file in. Paths are relative to the project directory.
DbContext 的路径
-f|–force Overwrite existing files.
覆盖已经存在的文件
-o|–output-dir The directory to put files in. Paths are relative to the project directory.
输出目录
–schema
要为其生成实体类型的表的架构。
-t|–table
要生成实体代码的表的名称 支持视图名称
多个table用多个-t
–use-database-names Use table and column names directly from the database.
使用数据库名称
–json Show JSON output.
输出内容,以json显示
-p|–project The project to use.
项目名称
-s|–startup-project The startup project to use.
开始项目名称(不太明白)
–framework The target framework.
framework的版本
–configuration The configuration to use.
配置信息
–runtime
运行版本(??)
–msbuildprojectextensionspath The MSBuild project extensions path. Defaults to “obj”.
–no-build Don’t build the project. Only use this when the build is up-to-date.
-h|–help Show help information
-v|–verbose Show verbose output.
–no-color Don’t colorize output.
–prefix-output Prefix output with level.
sql server---------------------------------------------------------------
dotnet ef dbcontext scaffold “Server=(local);Database=lun;User ID=sa;Password=;” Microsoft.EntityFrameworkCore.SqlServer -o models -c Lun_DbContext
my sql---------------------------------------------------------------
Scaffold-DbContext “server=127.0.0.1;uid=root;pwd=1234123;database=shop” Pomelo.EntityFrameworkCore.Mysql -f -o Shop/Models