Blogger Information
Blog 48
fans 3
comment 1
visits 36980
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
Thinkphp数据库操作——2018年5月23日
JackBlog
Original
706 people have browsed it

实例

<?php
namespace app\index\controller;
use think\Db;
class Query
{
	// 单条查询
	public function find()
	{
		$res = Db::table('user')->field('id,username')->where('id','>',2)->find();
		dump($res);
	}
	// 多条查询
	public function select()
	{
		$res = Db::table('user')
		->field(['id'=>'序号','username'=>'姓名','jb'=>'金币'])
		->where('jb','>',1000)
		->order('id','desc')
		->limit(2)
		->select();
		dump($res);
	}

	// 单条插入
	public function insert()
	{
		$data = ['username'=>'msn99303','password'=>md5('mdn8399')];
		// $res_num = Db::table('user')->insert($data);
		// $res_id = Db::getLastInsID();
		// return $res_id ? '成功添加,id='.$res_id : '没成功';

		// data($data):讲要处理的数据打包 $option[]
		// insertGetId() == insert() + getLastInsID()
		$res_id = Db::table('user')->data($data)->insert();
		return $res_id ? '成功添加,id='.$res_id : '没成功';
	}


	// 多条插入
	public function insertall()
	{
		$data[] = ['username'=>'mnd3hf2','password'=>md5('n399922'),'jb'=>7945654];
		$data[] = ['username'=>'d3ddvc','password'=>md5('2312312'),'jb'=>5453];
		$data[] = ['username'=>'2322ddf','password'=>md5('111111'),'jb'=>1234245];
		$num = Db::table('user')->data($data)->insertAll();
		return $num ? '添加成功'.$num.'条记录':'添加失败';
	}

	// 更新操作
	public function update()
	{
		$num = Db::table('user')->where('jb','<=',30200)->data(['jb'=>Db::raw('jb+1000')])->update();
		return $num ? '更新成功'.$num.'条记录':'更新失败'; 
	}

	// 删除操作
	public function delete()
	{
		$num = Db::table('user')->where('id','>',10)->delete();
		return $num ? '删除成功'.$num.'条记录':'删除失败'; 
	}
}

运行实例 »

点击 "运行实例" 按钮查看在线实例


Correction status:Uncorrected

Teacher's comments:
Statement of this Website
The copyright of this blog article belongs to the blogger. Please specify the address when reprinting! If there is any infringement or violation of the law, please contact admin@php.cn Report processing!
All comments Speak rationally on civilized internet, please comply with News Comment Service Agreement
0 comments
Author's latest blog post
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!