Comments (2)
调用模型数据
use app\models\Test;
$id= '1 or 1=1';
$sql = 'select * from test where id = 1';
$results = Test::findBySql()->all();
$results = Test::find()->where({'id'=>1})->all();
$results = Test::find()->where(['>','id',0])->all();//id>0
$results = Test::find()->where(['between','id',1,2])->all();// 1-2之间
$results = Test::find()->where(['like','title','title1'])->all();// title like %title1%
//查询结果转化成数组 降低内存使用率 对象比数组大 asArray()
$results = Test::find()->where(['between','id',1,2])-> asArray()->all()
//批量查询 每次只拿2条数据
foreach(Test::find()->batch(2) ad $tests){
}
添加数据
$test = new Test;
$test->id = 3;
$test->title = 'title3';
$test->validata();//验证数据
if($test->hasErrors){
echo'数据格式不正确';
die
}
$test->save()
修改数据
$test =Test::find()->where(['id'=>4]).one();
$test->title = 'title4';
$test->save()
from blog.
关联查询
$customer = Customer::find()->where(['name'=>'zhangsan'])->one();
$orders = $customer->hasMany(Order::className(),['customer_id'=>'id'])->asArray()->all();
$orders = $customer->getOrders();
$orders = $customer->orders;
from blog.
Related Issues (20)
- 函数式编程记录 HOT 2
- VUE MVVM原理和实现 HOT 2
- Vue Router原理和实现
- React Redux源码
- [php] YII2学习 HOT 2
- [php] mysql HOT 1
- redux react-redux HOT 3
- 常用mysql
- [webpack ]多项目入口改造 HOT 7
- [linux] 内存清理
- lnmp服务器常见问题收集
- **所有城市经纬度坐标json以及对应的省市县3级联动json HOT 1
- 翻墙
- [linux] 日常记录
- pwa HOT 2
- 缓存一些记录 HOT 2
- npm HOT 1
- echarts 一些用法
- webpack 打包优化 HOT 1
Recommend Projects
-
React
A declarative, efficient, and flexible JavaScript library for building user interfaces.
-
Vue.js
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
-
Typescript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
-
TensorFlow
An Open Source Machine Learning Framework for Everyone
-
Django
The Web framework for perfectionists with deadlines.
-
Laravel
A PHP framework for web artisans
-
D3
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
-
Recommend Topics
-
javascript
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
-
web
Some thing interesting about web. New door for the world.
-
server
A server is a program made to process requests and deliver data to clients.
-
Machine learning
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
-
Visualization
Some thing interesting about visualization, use data art
-
Game
Some thing interesting about game, make everyone happy.
Recommend Org
-
Facebook
We are working to build community through open source technology. NB: members must have two-factor auth.
-
Microsoft
Open source projects and samples from Microsoft.
-
Google
Google ❤️ Open Source for everyone.
-
Alibaba
Alibaba Open Source for everyone
-
D3
Data-Driven Documents codes.
-
Tencent
China tencent open source team.
from blog.