ext columnmodel获取任意列的值
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renderer有6个参数:
引用
* value : Object
The data value for the cell.
* metadata : Object
An object in which you may set the following attributes:
o css : String
A CSS class name to add to the cell's TD element.
o attr : String
An HTML attribute definition string to apply to the data container element within the table cell (e.g. 'style="color:red;"').
* record : Ext.data.record
The Ext.data.Record from which the data was extracted.
* rowIndex : Number
Row index
* colIndex : Number
Column index
* store : Ext.data.Store
The Ext.data.Store object from which the Record was extracted.
The data value for the cell.
* metadata : Object
An object in which you may set the following attributes:
o css : String
A CSS class name to add to the cell's TD element.
o attr : String
An HTML attribute definition string to apply to the data container element within the table cell (e.g. 'style="color:red;"').
* record : Ext.data.record
The Ext.data.Record from which the data was extracted.
* rowIndex : Number
Row index
* colIndex : Number
Column index
* store : Ext.data.Store
The Ext.data.Store object from which the Record was extracted.
第3个参数就是record,用record.get(fieldName)来取其它列的值。例:record.get("card_admin")
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