Ext.data.proxy.Memory.read http://docs.sencha.com/extjs/6.2.1/classic/src/Memory.js.html#Ext.data.proxy.Memory-method-read use Ext.util.Filter.createFilterFn http://docs.sencha.com/extjs/6.2.1/classic/src/Filter.js.html#Ext.util.Filter-static-method-createFilterFn基于传递的 Ext.util.Filter[] 创建过滤器函数(带有属性值配置):
// Filter the resulting array of records
if (filters && filters.length) {
// Total will be updated by setting records
resultSet.setRecords(records = Ext.Array.filter(records, Ext.util.Filter.createFilterFn(filters)));
resultSet.setTotal(records.length);
}
因此,如果您想使用不同的过滤器逻辑,您可以重写内存代理读取方法并使用自定义函数来创建过滤器函数:
Ext.define('MyApp.extensions.FilterMemoryProxy', {
extend: 'Ext.data.proxy.Memory',
alias: 'proxy.filtermemory',
createCustomFilterFn: function (filters)
{
if (!filters) {
return Ext.returnTrue;
}
return function (candidate)
{
var items = filters.isCollection ? filters.items : filters,
length = items.length,
i, filter;
for (i = 0; i < length; i++) {
filter = items[i];
if (!filter.getDisabled() && candidate.get(filter.getProperty()).toLowerCase().indexOf(
filter.getValue().toLowerCase()) !== -1) {
return true;
}
}
return false;
};
},
read: function (operation)
{
...
if (operation.process(resultSet, null, null, false) !== false) {
// Filter the resulting array of records
if (filters && filters.length) {
// Total will be updated by setting records
resultSet.setRecords(records = Ext.Array.filter(records, me.createCustomFilterFn(filters)));
resultSet.setTotal(records.length);
}
...
}
}
});