学习jquery插件之DataTables（2）

回调函数名称

参数

返回值

默认

功能

fnCookieCallback

1.string: Name of the cookie defined by DataTables 2.object: Data to be stored in the cookie 3.string: Cookie expires string 4.string: Path of the cookie to set

string: cookie formatted string (which should be encoded by using encodeURIComponent())

null

当每次cookies改变时，会触发这个函数调用

fnDrawCallback

无

无

无

在每次table被draw完后调用，至于做什么就看着办吧

fnFooterCallback

1.node : "TR" element for the footer 2.array array strings : Full table data (as derived from the original HTML) 3.int : Index for the current display starting point in the display array< 4.int : Index for the current display ending point in the display array 5.array int : Index array to translate the visual position to the full data array

无

无

用于在每次重画的时候修改表格的脚部

fnFormatNumber

1.int : number to be formatted

String : formatted string for DataTables to show the number

有默认的

用于在大数字上，自动加入一些逗号，分隔开

fnHeaderCallback

1.node : "TR" element for the header 2.array array strings : Full table data (as derived from the original HTML) 3.int : Index for the current display starting point in the display array 4.int : Index for the current display ending point in the display array 5.array int : Index array to translate the visual position to the full data array

无

无

用于在每次draw发生时，修改table的header

fnInfoCallback

1.object: DataTables settings object 2.int: Starting position in data for the draw 3.int: End position in data for the draw 4.int: Total number of rows in the table (regardless of filtering) 5.int: Total number of rows in the data set, after filtering 6.string: The string that DataTables has formatted using it's own rules

string: The string to be displayed in the information element.

无

用于传达table信息

fnInitComplete

1.object:oSettings - DataTables settings object

无

无

表格初始化完成后调用

fnPreDrawCallback

1.object:oSettings - DataTables settings object

Boolean

无

用于在开始绘制之前调用，返回false的话，会阻止draw事件发生；返回其它值，draw可以顺利执行

fnRowCallback

1.node : "TR" element for the current row 2.array strings : Raw data array for this row (as derived from the original HTML) 3.int : The display index for the current table draw 4.int : The index of the data in the full list of rows (after filtering)

node : "TR" element for the current row

无

当创建了行，但还未绘制到屏幕上的时候调用，通常用于改变行的class风格

fnServerData

1.string: HTTP source to obtain the data from (i.e. sAjaxSource) 2.array objects: A key/value pair object containing the data to send to the server 3.function: Function to be called on completion of the data get process that will draw the data on the page.

void

$.getJSON

用于替换默认发到服务端的请求操作

fnStateLoadCallback

1.object:oSettings - DataTables settings object 2.object:oData - Object containing information retrieved from the state saving cookie which should be restored. For the exact properties please refer to the DataTables code.

Boolean - false if the state should not be loaded, true otherwise

无

在cookies中的数据被加载前执行，可以方便地修改这些数据

fnStateSaveCallback

1.object:oSettings - DataTables settings object 2.String:sValue - a JSON string (without the final closing brace) which should be stored in the state saving cookie.

String - the full string that should be used to save the state

无

在状态数据被存储到cookies前执行，可以方便地做一些预操作