问ExtJS 4密码验证

EN

Ext.apply(Ext.form.VTypes, {
    password : function(val, field) {
        if (field.initialPassField) {
           var pwd = Ext.getCmp(field.initialPassField);
           return (val == pwd.getValue());
        }
        return true;
     },
    passwordText : 'Enter 2 times the same password!'
});

access.push({
fieldLabel: 'Password',
anchor: '99%',
name: 'passwd',
id: 'passwd',
inputType: 'password',
maxLength: 40,
vtype: 'password'
});

access.push({
fieldLabel: 'Password again',
name: 'passwd1',
id: 'passwd1',
maxLength: 40,
inputType: 'password',
vtype: 'password',
initialPassField: 'passwd'
});