php 如何从symfony2中的现有表生成实体？
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How to generate entity from existing table in symfony2?
提问by Alastor
I have table "my_table" with some fields. I want generate Entity in MyBundle used "my_table". But I don't want recreate all entities in MyBundle. How can I do this?
我有一些字段的表“my_table”。我想在 MyBundle 中使用“my_table”生成实体。但我不想在 MyBundle 中重新创建所有实体。我怎样才能做到这一点？
回答by Ahmed Siouani
Here is the way you can do it,
这是你可以做到的方法，
First step, ask Doctrine to introspect the database and generate the corresponding xml or yml metadata files.
第一步，让 Doctrine 内省数据库并生成相应的 xml 或 yml 元数据文件。
php app/console doctrine:mapping:convert [xml|yml] Path/To/MyBundle/Resources/config/doctrine/metadata/orm --from-database --force --filter=MyTable
Second step, ask Doctrine to import the schema and build related entity classes by executing the following two commands.
第二步，通过执行以下两个命令，让 Doctrine 导入 schema 并构建相关的实体类。
php app/console doctrine:mapping:import MyBundle [xml|yml|annotation] --filter=MyTable
php app/console doctrine:generate:entities Path\To\MyBundle\EntityFolder\MyTable
Take a look at the How to generate Entities from an Existing Databasesection of the documentation
查看文档的如何从现有数据库生成实体部分
回答by Dung
Simple Working Solution for Symfony 2.7 option annotation and for [/xml/yml] see http://symfony.com/doc/current/cookbook/doctrine/reverse_engineering.html
Symfony 2.7 选项注释和 [/xml/yml] 的简单工作解决方案见http://symfony.com/doc/current/cookbook/doctrine/reverse_engineering.html
do 3 commands in 3 steps:
分 3 个步骤执行 3 个命令：
Command #1:
命令#1：
$ php app/console doctrine:mapping:import --force AppBundle xml --filter="Meeting"
Output:
输出：
writing C:\xampp\htdocs\localxyz\src\AppBundle/Resources/config/doctrine/Meeting.orm.xml
写 C:\xampp\htdocs\localxyz\src\AppBundle/Resources/config/doctrine/Meeting.orm.xml
Command #2:
命令#2：
$ php app/console doctrine:mapping:convert annotation ./src/AppBundle/Entity --from-database --filter="Meeting"
Output:
输出：
Processing entity "Meeting"
Exporting "annotation" mapping information to "C:\xampp\htdocs\localxyz\src\Entity"
处理实体“会议”
将“注解”映射信息导出到“C:\xampp\htdocs\localxyz\src\Entity”
Command #3:
命令#3：
$ php app/console doctrine:generate:entities AppBundle:Meeting --no-backup
Output:
输出：
Generating entity "AppBundle\Entity\Meeting" generating AppBundle\Entity\Meeting
生成实体“AppBundle\Entity\Meeting”生成AppBundle\Entity\Meeting
where:
在哪里：
AppBundle is exactly your "AppBundle" in 2.7 symfony Meeting is the target table (case sensitive)
AppBundle 正是您在 2.7 symfony 中的“AppBundle”会议是目标表（区分大小写）
TO BE SURE, check this directory:
为了确保，请检查此目录：
C:\xampp\htdocs\myproj\src\AppBundle/Resources/config/doctrine/Meeting.orm.xml
C:\xampp\htdocs\myproj\src\AppBundle/Resources/config/doctrine/Meeting.orm.xml
C:\xampp\htdocs\myproj\src\AppBundle/Resources/config/doctrine/MeetingOriginal.orm.xml
C:\xampp\htdocs\myproj\src\AppBundle/Resources/config/doctrine/MeetingOriginal.orm.xml
AND MAKING SURE you only have .xml files for the table you want to create entity class files and no others.
并确保您只有要创建实体类文件的表的 .xml 文件，没有其他文件。
It works very well for me.
它对我来说非常有效。
For explanation please read: http://symfony.com/doc/current/cookbook/doctrine/reverse_engineering.html
解释请阅读：http: //symfony.com/doc/current/cookbook/doctrine/reverse_engineering.html
回答by Ondrej Slinták
php app/console doctrine:mapping:import "MyCustomBundle" xml --filter=MyMatchedEntity
回答by Azhar Khattak
Although this is an old post but if someone gets following error,
虽然这是一个旧帖子，但如果有人出现以下错误，
Database does not have any mapping information.
Database does not have any mapping information.
Check
查看
If your table name is blog_postthen in filter option use BlogPostand not blog_post
如果您的表名blog_post在过滤器选项中，则使用BlogPost而不是blog_post
Reference: https://stackoverflow.com/a/27019561/6504104
参考：https: //stackoverflow.com/a/27019561/6504104
though this is covered by answers above but I missed it and was getting this error
虽然上面的答案涵盖了这一点，但我错过了它并收到此错误
So I wanted to make this explicit
所以我想明确说明这一点
Also in symfony >= 3.4 its' php bin/consolee.g.
同样在 symfony >= 3.4 中，php bin/console例如
php bin/console doctrine:mapping:import --force AppBundle xml --filter="BlogPost"
and then
进而
php bin/console doctrine:mapping:convert annotation ./src/AppBundle/Entity --from-database --filter="BlogPost"
Thanks...
谢谢...
