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laravel模型$castsl属性

知其黑、受其白发布时间：2020-12-30 19:36:13 ，浏览量：10

在laravel框架中，如果希望从数据库中取出的值就是我们希望的类型，可以使用laravel框架模型中的$casts属性值来将需要的字段转换成需要的类型，用法如下：


    
        



        
        
            
                
                
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	请求信息 : 2025-09-27 04:54:49 HTTP/2.0 GET : /home/article/detail/id/439058.html
运行时间 : 0.0485s ( Load:0.0129s Init:0.0016s Exec:0.0199s Template:0.0141s )
吞吐率 : 20.62req/s
内存开销 : 1,924.70 kb
查询信息 : 18 queries 0 writes 
文件加载 : 36
缓存信息 : 5 gets 0 writes 
配置加载 : 132
会话信息 : SESSION_ID=s5upfvvga2mptjb5q4himor9td
    
    
        
    
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	[ app_init ] --START--
Run Behavior\BuildLiteBehavior [ RunTime:0.000023s ]
[ app_init ] --END-- [ RunTime:0.000125s ]
[ app_begin ] --START--
Run Behavior\ReadHtmlCacheBehavior [ RunTime:0.000560s ]
[ app_begin ] --END-- [ RunTime:0.000597s ]
[ view_parse ] --START--
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Run Behavior\ContentReplaceBehavior [ RunTime:0.000102s ]
[ template_filter ] --END-- [ RunTime:0.000163s ]
Run Behavior\ParseTemplateBehavior [ RunTime:0.011228s ]
[ view_parse ] --END-- [ RunTime:0.011266s ]
[ view_filter ] --START--
Run Behavior\WriteHtmlCacheBehavior [ RunTime:0.000253s ]
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[ app_end ] --START--
    
    
        
    
	[2] session_save_path(): open_basedir restriction in effect. File(/var/lib/php/session) is not within the allowed path(s): (/www/wwwroot/www.chaojiit.com/:/tmp/) /www/wwwroot/www.chaojiit.com/ThinkPHP/Common/functions.php 第 1239 行.
[8192] Array and string offset access syntax with curly braces is deprecated /www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Cache/Driver/File.class.php 第 59 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 40 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 101 行.
[8] Trying to access array offset on value of type null /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 101 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 102 行.
[8] Trying to access array offset on value of type null /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 102 行.
[8] Undefined variable: pinglun_list /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 111 行.
    
    
        
    
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SHOW COLUMNS FROM `bloger` [ RunTime:0.0005s ]
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SELECT COUNT(*) AS tp_count FROM `article` WHERE `bloger_id` = 807 LIMIT 1   [ RunTime:0.0001s ]
SHOW COLUMNS FROM `article_content` [ RunTime:0.0004s ]
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SHOW COLUMNS FROM `article_cate` [ RunTime:0.0008s ]
SELECT `name` FROM `article_cate` WHERE `id` = 343 LIMIT 1   [ RunTime:0.0001s ]
SELECT * FROM `article` WHERE `bloger_id` = 807 ORDER BY view_count desc LIMIT 0,10   [ RunTime:0.0003s ]
    
    
        
    
	    
    
    



0.0485s