这篇文章主要介绍vue中如何使用v-model完成组件间的通信，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！

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在子组件中修改了值，父组件中立即更新。

vue中有一个很神奇的东西叫v-model，它可以完成我们的需求。

使用v-model过程中，父组件我们还是需要将子组件正常引入，只是传值方式改成了v-model

父组件

子组件

在这里，报了一个错误，这是因为数据流是单向的，但是我们在这里，子组件不应该直接修改props里的值。

 

这里不能直接修改，所以我们需要迂回着修改，在子组件中定义一个自己的变量，再将props的值赋值到自己的变量，修改自己的变量是可以的。

子组件 - 修改props中的值

	    基本
        文件
        流程
        错误
        SQL
        调试
    

		    

    

	
请求信息 : 2026-06-03 02:17:42 HTTP/1.1 GET : /article/ieish.html
运行时间 : 2.9698s ( Load:0.0064s Init:2.3138s Exec:0.6404s Template:0.0092s )
吞吐率 : 0.34req/s
内存开销 : 2,233.53 kb
查询信息 : 12 queries 5 writes 
文件加载 : 36
缓存信息 : 0 gets 0 writes 
配置加载 : 130
会话信息 : SESSION_ID=07ce2mgo6sed4qb3s1brgfpdt1
    
    
        

    

	
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/www/wwwroot/tsicrk.com/ThinkPHP/Library/Behavior/WriteHtmlCacheBehavior.class.php ( 0.97 KB )
/www/wwwroot/tsicrk.com/ThinkPHP/Library/Behavior/ShowPageTraceBehavior.class.php ( 5.24 KB )
    
    
        

    

	
[ app_init ] --START--
Run Behavior\BuildLiteBehavior [ RunTime:0.000005s ]
[ app_init ] --END-- [ RunTime:0.000030s ]
[ app_begin ] --START--
Run Behavior\ReadHtmlCacheBehavior [ RunTime:0.000302s ]
[ app_begin ] --END-- [ RunTime:0.000325s ]
[ view_parse ] --START--
[ template_filter ] --START--
Run Behavior\ContentReplaceBehavior [ RunTime:0.000054s ]
[ template_filter ] --END-- [ RunTime:0.000076s ]
Run Behavior\ParseTemplateBehavior [ RunTime:0.006262s ]
[ view_parse ] --END-- [ RunTime:0.006288s ]
[ view_filter ] --START--
Run Behavior\WriteHtmlCacheBehavior [ RunTime:0.000157s ]
[ view_filter ] --END-- [ RunTime:0.000171s ]
[ app_end ] --START--
    
    
        

    

	
1064:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') LIMIT 1' at line 1
 [ SQL语句 ] : SELECT `id`,`pid`,`navname` FROM `cx_nav` WHERE ( id= ) LIMIT 1  
1064:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') LIMIT 1' at line 1
 [ SQL语句 ] : SELECT `id`,`navname` FROM `cx_nav` WHERE ( id= ) LIMIT 1  
1064:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1
 [ SQL语句 ] : SELECT `id`,`navname` FROM `cx_nav` WHERE ( pid= ) 
[8] Undefined index: pid /www/wwwroot/tsicrk.com/App/Home/Controller/ArticleController.class.php 第 47 行.
[8] Undefined index: db_host /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Db.class.php 第 120 行.
[8] Undefined index: db_port /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Db.class.php 第 121 行.
[8] Undefined index: db_name /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Db.class.php 第 122 行.
    
    
        

    

	    
    
        

    

	    
    
    



2.9698s