In-depth analysis of jQuery's sorting component_jquery

1: The Sortable component can turn a set of elements on the page into a sortable . It can be used to define a sortable list of elements. Then, drag the mouse to Adjust the position of elements in the list
$('.selector').sortable(options);
Simple example:

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• 暴打火柴人中文版

   

 

 

   

     

动作类小游戏

                                                                                                              
                                                                                                                                           ;Grand Slam Final

Rendering:

3: Method of sorting components 3.1 serialize method:
This method can serialize the id attribute of the sortable element into a The form or Ajax string that can be submitted has the following syntax:
$("#sortable").sortable(serialize", [options]);
3.2 toArray method: This method serializes the id of the sortable element into a string array. The syntax format is as follows:
$("#sortable").sortable("toArray");
3.3 refresh method: The method is used to refresh the sortable list
$("#sortable").sortable("refresh");
3.4 refreshPositons method :This method is used to refresh the cache position of sortable elements. The syntax format is as follows:
$("#sortable").sortable("refreshPositions");
3.5 cancel: The method is used to cancel the order change of elements in the current sortable object
$("#sortable").sortable("cancel");

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调整下列课程的安排顺序

 

   
• 1.1 链接外部.JS文件

   
• 1.2 使用Microsoft脚本编辑器

   
• 1.3 使用while循环

   
• 1.4 使用for循环

 

 

   
• 2.1 使用Switch语句

   
• 2.2 使用Array对象属性

   
• 2.3 使用String对象的方法

   
• 2.4 使用Date对象的方法

 

 
 

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Here att is used as the key, and the value is the string defined with att in the layout.
4: Sorting time callback function
You can control the sorting operation more flexibly by defining a callback function
4.1 start: Event type is sortstart, triggers when sorting starts
4.2 sort: event type is sort, triggers during sorting process
4.3 change: event type is sortchange, during sorting process , triggered when the position of the element changes
4.4 beforestop: The event type is sortbeforestop, triggered when sorting is stopped but placeholders or auxiliary elements are still available
4.5 stop: The event type is sortstop, which is triggered when the sorting process stops.
4.6 update: The event type is sortupdate, which is triggered when the sorting process is stopped and the element position has changed.
4.7 receive: event type is sortreceive, triggered when the connected sorted list has received an element from another list
4.8 remove: event type is sortremove, triggered when an element is removed from the list Triggered when sorting elements and placing them into another list
4.9 over: The event type is sortover, triggered when a sortable element is moved to another connected list
4.10 out: The event type is sortout, which is triggered when a sortable element is removed from the connected list.
4.11 activate: The event type is sortactivate, which is triggered when a connected sorted list is used. Each The connection list receives this event when dragging starts
4.12 deactivate: The event type is sortdeactivate, which is triggered when the sorting operation is stopped. This event will be propagated to all possible connection lists

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$("#droppable").droppable({
eventName: function (event, ui) {
}
});

ui is a jQuery object containing additional information. The jQuery object has the following properties
helper: A jQuery object, representing the current element to be sorted
position: An object containing the top attribute and left attribute, indicating the position of the current element relative to the original object
offset: An object containing top and left attributes, indicating the absolute position of the current element relative to the page
item: Representing the currently dragged jQuery object
placeholder: Represents the defined placeholder
sender: The sorted list to which the currently dragged element belongs, only applicable to moving between two lists

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改变下面列车的顺序，查看事件触发结果

 
• K22次 始发站：桂林 -> 终点站：北京西

 
• K180次 始发站：郑州 -> 终点站：北京西

 
• K1038次  郑州  -> 终点站：深圳

 
• K236次  石家庄  -> 终点站：上海

 
• T182次 汉口  -> 终点站：哈尔滨

 
• K926次  郑州  -> 终点站：哈尔滨

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