Form 表单输出辅助类

通常在视图页面里使用

Form::open($action=null , $attributes = null)

<?php
// <form action="/test" method="post">
echo Form::open('/test');
 
// <form action="/test" method="get">
echo Form::open('/test' , array('method'=>'get'));

Form::close()

<?php
// </form>
echo Form::close();

Form::input($name, $value = null, array $attributes = null)

<?php
// <input type="text" name="test" value="1" />
echo Form::input('test' , 1 );
 
// <input type="text" name="test" value="1" size="20" />
echo Form::input('test' , 1 , array('size'=>20) );
 
// <input type="text" ie="test" value="1" onclick="alert(1)" />
echo Form::input( null , 1 , array('id'=>'test' , onclick=>'alert(1)') );

Form::hidden($name, $value = null, array $attributes = null);

<?php
// <input type="hidden" name="test" value="123" />
echo Form::hidden('test',123);

Form::password($name, $value = null, array $attributes = null);

<?php
// <input type="password" name="test" value="123" />
echo Form::password('test',123);

Form::file($name , array $attributes = null);

<?php
// <input type="file" name="test" />
echo Form::file('test');

Form::checkbox($name, $value = null, $checked = false, array $attributes = null)

<?php
// <input type="checkbox" name="test[]" value="1" />
echo Form::checkbox('test[]' , 1 );
 
// <input type="checkbox" name="test[]" value="1" checked="checked" />
echo Form::checkbox('test[]' , 1 , true );

Form::radio($name, $value = null, $checked = false, array $attributes = null)

<?php
// <input type="radio" name="test" value="1" />
echo Form::radio('test' , 1 );
 
// <input type="radio" name="test" value="1" checked="checked" />
echo Form::radio('test' , 1 , true );

Form::textarea($name, $body = '', array $attributes = null, $double_encode = false)

<?php
// <textarea name="test">content</textarea>
echo Form::textarea('test','content');

Form::select($name, array $options = null, $selected = null, array $attributes = null)

<?php
/*
<select name="test">
<option value="">请选择</option>
<option value="1" selected="selected">栏目一</option>
<option value="2">栏目二</option>
<option value="3">栏目三</option>
</select>
*/
$op = array(
    '' => '请选择',
    1  => '栏目一',
    2  => '栏目二',
    3  => '栏目三',
);
echo Form::select('test' , $op , 1 );

多选效果: 栏目一 栏目二 栏目三

/*
多选
<select name="test[]" size="4" multiple="multiple">
<option value="1" selected="selected">栏目一</option>
<option value="2">栏目二</option>
<option value="3" selected="selected">栏目三</option>
</select>
*/
$op = array(
    1  => '栏目一',
    2  => '栏目二',
    3  => '栏目三',
);
echo Form::select('test[]' , $op , array(1,3) , array('size'=>4 , 'multiple'=>'multiple' ) );

分组功能效果: 栏目一 栏目二 栏目三 栏目四 栏目五

/*
<select name="test">
<optgroup label="分组一">
<option value="1">栏目一</option>
<option value="2" selected="selected">栏目二</option>
<option value="3">栏目三</option>
</optgroup>
<optgroup label="分组二">
<option value="4">栏目四</option>
<option value="5">栏目五</option>
</optgroup>
</select>
*/
$op = array(
    '分组一' => array(
        1  => '栏目一',
        2  => '栏目二',
        3  => '栏目三',
    ),
    '分组二' => array(
        4  => '栏目四',
        5  => '栏目五',
    ),
);
echo Form::select('test' , $op , 2 );

Form::submit($name , $value, array $attributes = null)

<?php
// <input type="submit" value="提交" />
echo Form::submit(null , '提交');

Form::image($name, $value, array $attributes = null, $index = false)

<?php
// <input type="image" name="test" src="/test.gif" />
echo Form::image('test' , null , array('src'=>'test.gif') );

Form::button($name, $body, array $attributes = null)

<?php
// <button name="test">按钮</button>
echo Form::image('test' , '按钮' );

Form::label($input, $text = null, array $attributes = null)

// <label for="username">用户名</label>
echo Form::label('username', '用户名');
 
// <label for="test"><input type="checkbox" id="test" name="test" value="1" />测试</label>
echo Form::label('test', Form::checkbox('test' , 1 , false , array('id'=>'test') ) . '测试' );