ExtJS Grid Paging Multi-Select memory function

Many colleagues in the use of ExtJS grid paging, often want to use the grid multi-select function to export Excel and other functions (that is, the so-called multi-Select memory function), but in the selection of the next page of the last page of the selected has been cleared this is because paging time to the server to request paging data The following workarounds are encountered at work. Share for everyone to study together.

1. First define a collection that holds the selected records

2. Define the Checkboxmodel of selected records

3. Define store (please refer to) Monitoring Beforeload and load events

4. Referencing SM in the grid

ExtJS Grid Paging Multi-Select memory function