tp6对于model->curd
【摘要】
sql: model:
<?php
namespace app\model;
use think\Model;
class Aaa extends Model
{
}
1234567
co...
sql:
model:
<?php
namespace app\model;
use think\Model;
class Aaa extends Model
{
}
controller:
<?php
namespace app\index\controller;
use app\BaseController;
use think\facade\Db;
use app\model\Aaa;
class Index extends BaseController
{
public function hello()
{
$user=new Aaa();
$data=['name'=>"vvvv"];
$user->allowField(['name'])->save($data);//只能name插入数据
}
}
修改:
<?php
namespace app\index\controller;
use app\BaseController;
use think\facade\Db;
use app\model\Aaa;
class Index extends BaseController
{
public function hello()
{
$user=Aaa::where('name',"vvvv")->find();//找到name为vvvv的字段
$user->name="liwen";//修改其name值
$user->save();
}
}
修改的第二种方式:
<?php
namespace app\index\controller;
use app\BaseController;
use think\facade\Db;
use app\model\Aaa;
class Index extends BaseController
{
public function hello()
{
Aaa::update(['name'=>"fff",'id'=>3]);
}
}
删除:
<?php
namespace app\index\controller;
use app\BaseController;
use think\facade\Db;
use app\model\Aaa;
class Index extends BaseController
{
public function hello()
{
$user=Aaa::find(2);
$user->delete();
}
}
查询:
<?php
namespace app\index\controller;
use app\BaseController;
use think\facade\Db;
use app\model\Aaa;
class Index extends BaseController
{
public function hello()
{
$aaa=Aaa::select([3,4]);
halt($aaa);
}
}
文章来源: blog.csdn.net,作者:贵哥的编程之路(热爱分享),版权归原作者所有,如需转载,请联系作者。
原文链接:blog.csdn.net/qq_37805832/article/details/124806244
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