详解Symfony2实现联合查询的方法

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本文主要介绍了Symfony2联合查询实现方法，结合实例形式简单分析了Symfony2联合查询的具体步骤与实现技巧。需要的朋友可以参考下，希望对大家有所帮助。

1.yml文件

AcmeMspadminBundleEntityMspArticle:
 type: entity
 table: msp_article
 manyToOne:
  Channel:
   targetEntity: MspChannel
   inversedBy: Articles
   joinColumn:
    name: channel_id
    referencedColumnName: channel_id
  User:
   targetEntity: MspUser
   inversedBy: Userone
   joinColumn:
    name: user_id
    referencedColumnName: user_id

AcmeMspadminBundleEntityMspChannel:
 type: entity
 table: msp_channel
 oneToMany:
   Articles:
    targetEntity: MspArticle
    mappedBy: Channel

AcmeMspadminBundleEntityMspUser:
 type: entity
 table: msp_user
 oneToMany:
   Userone:
    targetEntity: MspArticle
    mappedBy: User

2.查询代码：

$sql="SELECT a.id,a.checkStatus,a.title,a.releaseSysDate,
          a.visitTotal,u.userName ,n.name FROM AcmeMspadminBundle:MspArticle a
          JOIN a.User u JOIN a.Channel n";
$query = $emt->createQuery($sql." Where a.checkStatus = 0 ");
$mspArtile = $query->getResult();

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