照亮\数据库\QueryExceptionSQLSTATE[42S22]:1054列名未知'category_name'in'fieldlist'(SQL:insertintocategories(category_name,updated_at,created_at)values(fruits,2022-08-0810:46:52,2022-08-0810:46:52))如何解决?我的控制器名称
2023-11-05回答次数:1访问次数:242
你们能帮我吗?我想在posts表中添加一个在categories表中有引用的外键。但是当我输入命令phpartisanmigrate:fresh时,它总是失败。我得到的错误信息是这样的PDOException::("SQLSTATE[HY000]:Generalerror:1005Can'tcreatetable'handconsulting'.'posts'(errno:150
2023-09-09回答次数:1访问次数:249
我目前正在使用Laravel9进行我的第一个实际项目。我遇到了一个无法解决的问题。我有两个表“类别”和“文章”,它们与字段id(类别表)和category_id(文章表)连接。在我的CategoryController中:publicfunctioncategories(){$categories=Category::all();$articles=Article::all();returnvie
2023-08-31回答次数:1访问次数:254
我想创建一个过滤函数,当在reactuseState中接收到输入值事件时触发,但是当我开始输入时,我看不到它做任何事情。这是我的Search组件exportfunctionSearch({categories,onSearch}){const[searchText,setSearchText]=useState('');constfilterCategories=()=>{constfilt
2023-08-16回答次数:1访问次数:296
我有两个表,分别是"posts"和"categories"。"posts"和"categories"之间的关系是多对一。所以在"Post"类模型中的代码是这样的:
2023-07-23回答次数:1访问次数:213
我编写了以下实体:typedatacategorystringconst(datacategory1datacategory="category1"datacategory2datacategory="category2")typedatastruct{namestring`json:"name"`categories[]datacategory`json:"category
2024-02-11评论:0访问次数:908
With the increasingly bullish sentiment in the cryptocurrency market, altcoins from top categories have recorded a significant uptrend in valuation over th...
2024-07-17评论:访问次数:279
e once again at the forefront of the crypto market, driven by Bitcoin's recent recovery, which is positively impacting major crypto categories. PEPE, FLOKI...
2024-07-18评论:访问次数:920
Balancing the perfect crypto portfolio can be a daunting task and investors need to allocate to a variety of different niches and categories to balance ris...
2024-07-17评论:访问次数:982
Anker offers both a broad product portfolio, which not only includes various product categories, but also numerous products within each category. Audio products are no exception in this respect, with Anker offering very affordable headsets as well as high
2024-06-26评论:访问次数:859