我目前正在尝试为我的用户表播种。如果我像这样用两行来尝试,它会失败。如果我只使用一个数组,而不是$users数组中的两个数组来创建一些伪数据,那么效果很好。
我做错了什么,正确的方法是什么?
class UserTableSeeder extends Seeder {
public function run()
{
DB::table('users')->delete();
$users = [
['id' => 1, 'name' => 'Stephan de Vries', 'username' => 'stephan', 'email' => 'stephan-v@gmail.com', 'password' => bcrypt('carrotz124')],
['id' => 2, 'name' => 'John doe', 'username' => 'johnny', 'email' => 'johndoe@gmail.com', 'password' => bcrypt('carrotz1243')],
];
User::create($users);
}
}
如果必须使用模型,则需要一个循环:
foreach($users as $user){
User::create($user);
}
否则,您可以只使用DB::table()
和insert
:
DB::table('users')->insert($users);
实际上,您也可以在模型上调用insert()
(得到的查询是相同的)
User::insert($users);
注意如果选择insert
方法,则会丢失特殊的Eloquent功能,如时间戳和模型事件。
这适用于Laravel^5
<?php
use IlluminateDatabaseSeeder;
class UsersTableSeeder extends Seeder
{
/**
* Run the database seeds.
*
* @return void
*/
public function run()
{
// check if table users is empty
if(DB::table('users')->count() == 0){
DB::table('users')->insert([
[
'name' => 'Administrator',
'email' => 'admin@app.com',
'password' => bcrypt('password'),
'created_at' => date('Y-m-d H:i:s'),
'updated_at' => date('Y-m-d H:i:s'),
],
[
'name' => 'Agency',
'email' => 'agency@app.com',
'password' => bcrypt('password'),
'created_at' => date('Y-m-d H:i:s'),
'updated_at' => date('Y-m-d H:i:s'),
],
[
'name' => 'End',
'email' => 'endcustomer@app.com',
'password' => bcrypt('password'),
'created_at' => date('Y-m-d H:i:s'),
'updated_at' => date('Y-m-d H:i:s'),
]
]);
} else { echo "e[31mTable is not empty, therefore NOT "; }
}
}
create()
仅用于存储一条记录。要存储多条记录,应该使用insert()
而不是create()
。所以代码看起来是这样的:
class UserTableSeeder extends Seeder {
public function run()
{
DB::table('users')->delete();
$users = [
['id' => 1, 'name' => 'Stephan de Vries', 'username' => 'stephan', 'email' => 'stephan-v@gmail.com', 'password' => bcrypt('carrotz124')],
['id' => 2, 'name' => 'John doe', 'username' => 'johnny', 'email' => 'johndoe@gmail.com', 'password' => bcrypt('carrotz1243')],
];
User::insert($users);
}
}
第页。S.insert()
函数将不存储时间戳。即CCD_ 9&updated_by
字段。
public function run()
{
//
for ($i=0; $i < 1000; $i++) {
DB::table('seo_contents')->insert([
'title' => str_random(10),
'content' => str_random(100),
'created_at'=>date('Y-m-d H:i:s'),
'updated_at'=>date('Y-m-d H:i:s'),
]);
}
}
使用截断
<?php
use IlluminateDatabaseSeeder;
use AppUser;
class UsersTableSeeder extends Seeder
{
/**
* Run the database seeds.
*
* @return void
*/
public function run()
{
User::truncate();
$users = [
[
'name' => 'Super Admin',
'email' => 'superadmin@gmail.com',
'password' => '123456',
],
[
'name' => 'Account Admin',
'email' => 'accountadmin@gmail.com',
'password' => '13456',
],
[
'name' => 'Project Admin',
'email' => 'projectadmin@gmail.com',
'password' => '13456',
],
[
'name' => 'Client Admin',
'email' => 'clientadmin@gmail.com',
'password' => '13456',
]
];
User::create($users);
}
}
如果有人对此感到困惑,我从Laravel 5开始就一直在使用以下内容,并且可以确认它仍在Laravel 7+中工作。。。
class UserTableSeeder extends Seeder {
public function run()
{
DB::table('users')->delete();
DB::table('users')->insert(array (
0 =>
array (
'id' => 1,
'name' => 'Stephan de Vries',
'username' => 'stephan',
'email' => 'stephan-v@gmail.com',
'password' => bcrypt('carrotz124'
),
1 =>
array (
'id' => 2,
'name' => 'John doe',
'username' => 'johnny',
'email' => 'johndoe@gmail.com',
'password' => bcrypt('carrotz1243'
),
));
}}
每次种子程序运行时,我都会用这种方式插入新记录并更新以前的记录。
$languages = [
['id' => 1, 'language_name' => 'English', 'language_code' => 'en'],
['id' => 2, 'language_name' => 'Spanish', 'language_code' => 'es'],
['id' => 3, 'language_name' => 'French', 'language_code' => 'fr'],
['id' => 4, 'language_name' => 'German', 'language_code' => 'de'],
['id' => 5, 'language_name' => 'Swahili', 'language_code' => 'sw']
];
foreach ($languages as $language) {
Language::updateOrCreate(['id' => $language['id']], $language);
}
如果您试图插入用于暂存的随机数据,则可以使用for循环
for ($i = 0; $i <= 29; $i++) {
DB::table('userdata')->insert([
'uname' => Str::random(10),
'upassword' => Str::random(10)
]);
DB::table('testtable2')->insert([
'name' => Str::random(10),
'number' => random_int(100, 9999)
]);
}