Yii2的相关学习记录，后台模板和gii（三），yii2gii
Yii2的相关学习记录，后台模板和gii（三），yii2gii
前面已经可以正常登录，但我们需要体验下最常用的增删查改的操作。这里就需要gii，通过gii可以方便的生成表单、表格的框架，不需要我们再写重复的东西。
gii访问地址：http://localhost/vishun/frontend/web/index.php?r=gii或者http://localhost/vishun/backend/web/index.php?r=gii，由于前后台文件都有配置，所以都可以访问。由于Yii框架高级版已经在common/models中存在user模型了，所以，我们直接用GRUD来生成user表的后台控制器和增删查改的表单。这没什么好说的，由于是高级版本，所以将提示中的app（基础版是app）改成你想要生成的目录（backend、frontend、common），如下图：
生成后就可以访问查看了：http://localhost/vishun/backend/web/index.php?r=user，如下图：
还是蛮不错的，可以点击看看，比Yii1的界面要好多了。但是单单这种界面，当我有多个表的展示时，是满足不了我们的要求的。所以应该有一个比较好的后台展示模板才行，网上搜了下，挺多人推荐AdminLTE模板，界面也不错，和阿里云的后台有点像，就打算用它了。
这时候我们又会用到原先提到的packagist，在其中搜索“yii2-adminlte”，会看到很多人已经将这个模板与Yii2集成在一起了，这里我们选择下载量最多的“dmstr/yii2-adminlte-asset”来作为我们的模板。一切按照操作说明来即可，需要注意的地方：
1、由于composer默认会下到vendor中，而一些菜单添加配置等文件同样需要我们自己在vendor目录中配置，这显然是不合适的，因为vendor目录在团队合作中是不提交的（vendor文件太大，而且团队成员通过composer.json，可轻松下载更新vendor文件）。所以必须按照说明将文件copy出来。方法一，可以作为一个主题，在backend/config/main.php的配置文件中：如下
'view' =><span>[
</span>'theme' =><span>[
</span>'pathMap' => ['@app/views'=>'@backend/themes/default'],<span>//</span><span>在backend中新建themes/default文件文件</span>
'baseUrl' => '@web/themes/default',<span>
]</span>,<span>
]</span>,方法二：直接覆盖backend/views中的文件，当然上方的配置文件也不需要写了，去掉就行。
2、更改颜色主题时，文档说的不是很明白，除了配置文件外，还需要更改你拷贝文件中的layouts/main.php中下面这行：
<body <span>class</span>="hold-transition skin-purple sidebar-mini">
改成和配置文件css名一致就可以更改主题颜色了。
现在即便增加其它表的展示，只需要在拷贝文件中的layouts/left.php的menu小部件中增加，就会在左边显示出来，而且整体也比原先好看多了：
这里还有两个延伸要说，一个是如何自定义gii模板，一个是如何引用AdminLTE中的其它扩展css、js等，不过太晚了，先睡觉了。
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