hasOne and hasMany are Yii2's unique functions for multi-table related queries. It is recommended to use them when using multi-table related queries. This article mainly introduces the detailed usage of hasOne, hasMany and many-to-many related queries in Yii2. Friends who need it can refer to the preface. hasOne and hasMany are Yii2's unique functions for multi-table related queries. Multi-table related queries are usually used. It is recommended to use them when querying. Why? Because the results of related queries in this way will retain Yii2's own header sorting function, as well as the id storage value of the input in CheckboxColumn. As for whether there are other benefits, everyone needs to dig out. The author has discovered these two so far. A common benefit. There are no other related queries, such as yiidbQuery query or native SQL statement query. When the query is displayed in the list, the header of the table is black. Yii2's hasOne and hasMany multi-table related queries, whether it is a document or an article, can actually easily find the reference master. But why did the author write this article? The idea is actually very simple, because
1. Detailed introduction about hasMany
##Introduction: hasOne and hasMany are unique to Yii2 Functions used for multi-table related queries. It is recommended to use them when using multi-table related queries. This article mainly introduces the detailed usage of hasOne, hasMany and many-to-many related queries in Yii2. Friends who need it can refer to the preface. hasOne and hasMany are Yii2's unique functions for multi-table related queries. Multi-table related queries are usually used. It is recommended to use them when querying. Why? Because the results of related queries in this way will retain Yii2's own header sorting function,...
2. Detailed introduction to hasOne
Introduction: hasOne and hasMany are Yii2’s unique functions for multi-table correlation queries. Multi-table correlation queries are usually used. It is recommended to use them. This article mainly introduces the detailed usage of hasOne, hasMany and many-to-many related queries in Yii2. Friends who need it can refer to the preface. hasOne and hasMany are Yii2's unique functions for multi-table related queries. Multi-table related queries are usually used. It is recommended to use them when querying. Why? Because the results of related queries in this way will retain Yii2's own header sorting function,...
3. Example of click header sorting function implemented by JS Code sharing
4.
js header sorting implementation method_javascript skills
Introduction: This article mainly introduces the js header sorting implementation method, involving numbers , letters, string comparison and sorting and other operating skills, which have certain reference value. Friends in need can refer to5.
jQuery implements Table header with grouped data Sorting example analysis_jquery
Introduction: This article mainly introduces jQuery's method of implementing Table header sorting with grouped data, and analyzes jQuery's specificity in detail in the form of examples. The implementation skills related to the operation of table headers and element traversal sorting have certain reference value. Friends in need can refer to the following
The above is the detailed content of 5 recommended articles about header sorting. For more information, please follow other related articles on the PHP Chinese website!
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