ExtJS4.2 常用技巧 (不断更新)

var hello = Ext.String.trim('  hello  ');

ptype: 'cellediting',
clicksToEdit: 2,
listeners: {
edit: function(editor, e){
var expression = e.record.get('expression');
expression = Ext.String.trim(expression);
if ("" == expression){
return ;
}

var reg = /^\d+([.]\d+){0,1}$/;
if (!reg.test(expression)){
Ext.Msg.alert('提示', '格式错误！ (样例: 0.35)');
e.record.reject();
return false;
}

}
}