1.Nuget卸载microsoft.entityframeworkcore.design

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2.Nuget卸载microsoft.entityframeworkcore.sqlserver

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3.Nuget卸载microsoft.entityframeworkcore.sqlserver.design.

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4.Nuget安装pomelo.entityframeworkcore.mysql.design

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5.Nuget安装pomelo.entityframeworkcore.mysql

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6.在解决方案的EntityFrameCore层找到DbContextOptionsConfigurer文件，并做如下修改：

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7.在xxx.xxx.Web层安装microsoft.entityframeworkcore.design.

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8.更改数据库连接.

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9.添加MySQL数据库中表对应的实体对象.

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10.执行Migration:Add-Migration InitTable

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11.在执行Migration:update-database

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看到Done.就代表执行成功.

MySQL中查看,已经成功生成了表.

 

若过程中有如下报错情况:

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执行Migration报错：System.TypeLoadException   HResult=0x80131522   Message=Method 'get_Info' in type 'MySql.Data.EntityFrameworkCore.Infraestructure.MySQLOptionsExtension'   Culture=neutral, PublicKeyToken=c5687fc88969c44d' does not have an implementation.

 

解决办法:

Nuget更新:pomelo.entityframeworkcore.mysql 版本为3.0.0

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执行Migration报错:

 

解决办法:是因为MySQL的数据库链接配置错误.如截图所示:

要将Server 改为 Data Source

如截图所示:

 

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