blocks|key|3771076|text|看看您的config/database.php和.env+file.Maybe，您的数据库信息是不同的。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3771077|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Take a look at your config/database.php and .env file.Maybe your database information is different.

blocks|key|945768|text|您需要更改位于项目根文件夹中的.env文件中的值。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|945769|如果没有.env文件，请将.env.example文件复制到.env。|945770|Laravel用这个文件保护你的密码。当您正在设置这些值时，只有在.env文件中没有可用的配置时才会使用这些值，因此，宅基地是那里的标准用户。|945771|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

You need to change the values in your .env file, located in the root folder of your project. 

If there is no .env file, copy the .env.example file to .env.

Laravel uses this file to protect your passwords. The values as you are setting those are only used if there is no configuration available in the .env file, homestead is the standard user there.

blocks|key|3771062|text|您可以转到.env文件。项目根文件夹上可用的文件。
还有一些与你的数据库有关。
|type|blockquote|depth|inlineStyleRanges|entityRanges|data|3771063|unstyled|3771064|​|3771065|📷|atomic|offset|length|3771066|3771067|然后在命令下面运行以清除旧的配置缓存。
|3771068|3771069|配置:清除|3771070|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://developer.qcloudimg.com/http-save/yehe-900000/87f4264ff5027a391c336ee5f3df257e.png|imageAlt^0|0|0|0|0|1|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Z|8|@]|9|@]|A|$]]|$1|B|3|-4|5|C|7|10|8|@]|9|@]|A|$]]|$1|D|3|E|5|C|7|11|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|12|8|@]|9|@$I|13|J|14|1|15]]|A|$]]|$1|K|3|E|5|C|7|16|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|17|8|@]|9|@]|A|$]]|$1|N|3|-4|5|C|7|18|8|@]|9|@]|A|$]]|$1|O|3|P|5|C|7|19|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|C|7|1A|8|@]|9|@]|A|$]]]|R|$S|$5|T|U|V|A|$W|X|Y|-4]]]]

<blockquote>
 You can go to .env file. File available on Project Root folder.
 
 Then some here related to your database.
</blockquote>

<img src="https://i.stack.imgur.com/HU52M.png" alt="enter image description here">

<blockquote>
 Then run below command to clear the old configuration cache.
</blockquote>

php artisan config:clear

blocks|key|945890|text|也有这个问题。在更新.env和运行php+artisan+config:clear之后，问题仍然持续存在！然后停用服务器，用php+artisan+serve重新启动服务器，问题就解决了！|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|945891|entityMap^0|H|O|1Q|H|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|M|8|@]|D|@]|E|$]]]|G|$]]

Have this problem as well. After update .env and run <code>php artisan config:clear</code> problem still persisted! Then after stoping the server and restart the server again with <code>php artisan serve</code>, problem fixed!

blocks|key|945912|text|从database.php中更改以下属性|type|unstyled|depth|inlineStyleRanges|entityRanges|data|945913|'mysql'+=>+[
++++++++++++'driver'++++=>+'mysql',
++++++++++++'host'+++++=>+env('DB_HOST',+'localhost'),
++++++++++++'database'+=>+env('DB_DATABASE',+'forge'),
++++++++++++'username'+=>+env('DB_USERNAME',+'forge'),
++++++++++++'password'+=>+env('DB_PASSWORD',+''),
++++++++++++'charset'+++=>+'utf8',
++++++++++++'collation'+=>+'utf8_unicode_ci',
++++++++++++'prefix'++++=>+'',
++++++++++++'strict'++++=>+false,
]|code-block|syntax|javascript|945914|至|945915|+'mysql'+=>+[
++++++++++++'driver'++++=>+'mysql',
++++++++++++'host'++++++=>+'localhost',
++++++++++++'database'++=>+'laravel',
++++++++++++'username'++=>+'root',
++++++++++++'password'++=>+'',
++++++++++++'charset'+++=>+'utf8',
++++++++++++'collation'+=>+'utf8_unicode_ci',
++++++++++++'prefix'++++=>+'',
++++++++++++'strict'++++=>+false,
++++++++],|945916|这必须正常工作，然后运行以下命令：|945917|php+artisan+migrate:install|945918|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|U|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

Change the following attribute from database.php

<pre><code>'mysql' =&gt; [
 'driver' =&gt; 'mysql',
 'host' =&gt; env('DB_HOST', 'localhost'),
 'database' =&gt; env('DB_DATABASE', 'forge'),
 'username' =&gt; env('DB_USERNAME', 'forge'),
 'password' =&gt; env('DB_PASSWORD', ''),
 'charset' =&gt; 'utf8',
 'collation' =&gt; 'utf8_unicode_ci',
 'prefix' =&gt; '',
 'strict' =&gt; false,
]
</code></pre>

to

<pre><code> 'mysql' =&gt; [
 'driver' =&gt; 'mysql',
 'host' =&gt; 'localhost',
 'database' =&gt; 'laravel',
 'username' =&gt; 'root',
 'password' =&gt; '',
 'charset' =&gt; 'utf8',
 'collation' =&gt; 'utf8_unicode_ci',
 'prefix' =&gt; '',
 'strict' =&gt; false,
 ],
</code></pre>

This must work well then run the following command:

<pre><code>php artisan migrate:install
</code></pre>

blocks|key|1441907|text|我通过使用config/database.php文件更新.env文件来解决这个问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1441908|这是我的config/database.php结构(我正在使用mysql)|offset|length|style|BOLD|1441909|++++'mysql'+=>+[
++++++++'driver'++++=>+'mysql',
++++++++'host'++++++=>+env('DB_HOST',+'localhost'),
++++++++'database'++=>+env('DB_DATABASE',+'larablog'),
++++++++'username'++=>+env('DB_USERNAME',+'root'),
++++++++'password'++=>+env('DB_PASSWORD',+''),
++++++++'charset'+++=>+'utf8',
++++++++'collation'+=>+'utf8_unicode_ci',
++++++++'prefix'++++=>+'',
++++++++'strict'++++=>+false,
++++],|code-block|syntax|javascript|1441910|和.env文件结构(与.env相同)|1441911|+DB_HOST=localhost++++++//+Host+name
+DB_DATABASE=larablog+++//+Database+name
+DB_USERNAME=root+++++++//+Database+User
+DB_PASSWORD=+++++++++++//+Db+password(No+password+here)+|1441912|entityMap^0|0|4|J|0|0|1|6|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@$D|U|E|V|F|G]]|9|@]|A|$]]|$1|H|3|I|5|J|7|W|8|@]|9|@]|A|$K|L]]|$1|M|3|N|5|6|7|X|8|@$D|Y|E|Z|F|G]]|9|@]|A|$]]|$1|O|3|P|5|J|7|10|8|@]|9|@]|A|$K|L]]|$1|Q|3|-4|5|6|7|11|8|@]|9|@]|A|$]]]|R|$]]

I solve this issue by update .env file with config/database.php file.

here is my config/database.php structure (I am using mysql)

<pre><code> 'mysql' =&gt; [
 'driver' =&gt; 'mysql',
 'host' =&gt; env('DB_HOST', 'localhost'),
 'database' =&gt; env('DB_DATABASE', 'larablog'),
 'username' =&gt; env('DB_USERNAME', 'root'),
 'password' =&gt; env('DB_PASSWORD', ''),
 'charset' =&gt; 'utf8',
 'collation' =&gt; 'utf8_unicode_ci',
 'prefix' =&gt; '',
 'strict' =&gt; false,
 ],
</code></pre>

And .env file structure (same like config/database.php)

<pre><code> DB_HOST=localhost // Host name
 DB_DATABASE=larablog // Database name
 DB_USERNAME=root // Database User
 DB_PASSWORD= // Db password(No password here) 
</code></pre>

blocks|key|946013|text|在更新.env文件中的数据库信息后，我也得到了相同的错误。修复了问题退出命令提示符并重新运行php+artisan+serve命令，它帮助我解决了问题，并可能对您有所帮助。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|946014|entityMap^0|1A|H|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

i was getting same error after updating database info in my .env file.
fixed the problem exit command prompt and re run <code>php artisan serve</code> command
it helped me out and might helpful for you.

blocks|key|945955|text|如果您使用sqlite作为数据库，请确保已安装php5-sqlite。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|945956|sudo+apt-get+install+php5-sqlite|code-block|syntax|javascript|945957|如果安装了它，那么您的.env文件可能会出现问题。替换|945958|DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=homestead
DB_USERNAME=homestead
DB_PASSWORD=secret|945959|有了这个|945960|DB_CONNECTION=sqlite
DB_HOST=127.0.0.1
DB_PORT=3306|945961|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|U|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

If you're using sqlite as the database, make sure you've php5-sqlite installed

<pre><code>sudo apt-get install php5-sqlite
</code></pre>

If it's installed, it might be a problem with your .env file. Replace

<pre><code>DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=homestead
DB_USERNAME=homestead
DB_PASSWORD=secret
</code></pre>

with this

<pre><code>DB_CONNECTION=sqlite
DB_HOST=127.0.0.1
DB_PORT=3306
</code></pre>

I use the command <code>php artisan migrate</code> to migrate my database connection but I still get the same error and I checked everything, nothing wrong. I used the same connection that I always use in Laravel 4.2

Here is the message I get on my console:

<pre><code>exception 'PDOException' with message 'SQLSTATE[HY000] [1045] Access denied for user 'homestead'@'localhost' (using password: YES)' in C:\xampp\htdocs\Projects\blog\vendor\laravel\framework\src\Illuminate\Database\Connectors\Connector.php:47
</code></pre>

problems with database connection in laravel 5

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我使用命令php artisan migrate迁移我的数据库连接，但是我仍然得到相同的错误，我检查了所有东西，没有错。我使用的连接与我在Laravel4.2中使用的相同。下面是我在我的控制台上得到的信息：exception 'PDOException' with message 'SQLSTATE[HY000] [1045] Access denied for user 'homestead'@

问laravel 5数据库连接的几个问题
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