Vue - 判断页面返回上一页时是否可返回，如不可返回则跳转到首页或其他页（路由 $router.back(-1) 回退时如何判断有没有上一个路由）如果有历史记录则返回上一页，反之跳转到首页

王佳斌发布时间：2022-08-24 23:01:19 ，浏览量：3

前言

这种需求常见于详情页，顶部左侧有个


    
        
        
        
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	    基本
        文件
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缓存信息 : 5 gets 0 writes 
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Run Behavior\BuildLiteBehavior [ RunTime:0.000009s ]
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Run Behavior\ReadHtmlCacheBehavior [ RunTime:0.000436s ]
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Run Behavior\WriteHtmlCacheBehavior [ RunTime:0.000165s ]
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	[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 34 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 134 行.
[8] Trying to access array offset on value of type null /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 134 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 135 行.
[8] Trying to access array offset on value of type null /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 135 行.
[8] Undefined variable: pinglun_list /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 144 行.
[8] Undefined variable: top_list /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 179 行.
    
    
        
    
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SELECT COUNT(*) AS tp_count FROM `article` WHERE `bloger_id` = 139 LIMIT 1   [ RunTime:0.0003s ]
SHOW COLUMNS FROM `article_content` [ RunTime:0.0002s ]
SELECT `content` FROM `article_content` WHERE `article_id` = 191430 LIMIT 1   [ RunTime:0.0011s ]
SELECT * FROM `article` WHERE `bloger_id` = 139 ORDER BY view_count desc LIMIT 0,10   [ RunTime:0.0040s ]
    
    
        
    
	    
    
    



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