drupal form 创建几种常见的类型（例子）

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$form['id'] = array(
'#type' => 'hidden',
'#default_value' =>$id
);

$form['car_number'] = array(
'#title' => t('车牌号'),
'#type' => 'textfield',
'#default_value' =>$car_number,
'#required' => TRUE,
'#size' => 30,
'#weight' =>2
);
$form['barcode_image_current'] = array(
'#title' => t('图片'),
'#prefix' => l('<img class="barcode_image" src='.$barcode_image.'>',$barcode_image , array("html" => true)),
'#weight' => 3,

);

$form['barcode_image'] = array(
'#type' => 'file',
'#name'=>'barcode_image',
'#required' => false,
'#weight' =>4
);

$form['select'] = array(
    '#type' => 'radios',
    '#title' => '网站协议',
    '#default_value' => 1,
    '#options' => array('我同意', '我不同意'),//单选项，若不指定值，则自动从0开始计算: 0 -> 我同意， 1 -> 我不同意。
);

$form['#validate'][] = 'test_form_validate';//调用验证函数
$form['submit'] = array(
'#title' => t('提交'),
'#type' => 'submit',
'#value'=>'提交',
'#weight' =>5
);

$form['access']['statistics_flush_accesslog_timer'] = array(

'#type' => 'select',

'#title' => t('Discard access logs older than'),

'#default_value' => variable_get('statistics_flush_accesslog_timer', 259200),

'#options' => $period,

'#description' => t('Older access log entries (including referrer statistics)

will be automatically discarded. (Requires a correctly configured

<a href="@cron">cron maintenance task</a>.)', array('@cron' =>

url('admin/reports/status'))),

);

function test_form_validate($form, &$form_state) {//

}

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