thinkphp3.2 实现留言功能

<form method="post"  action="{:U('validate')}" name='valiate'>    <!--这里传到控制器的validate方法-->                <li class="clearfix">                    <p class="p1">                        <span><i>*</i>标题</span><input type="text" name="title" />                    </p>                    <p>                        <span><i>*</i>姓名</span><input type="text" name="name" />                    </p>                </li>                <li class="clearfix">                    <p class="p1"><span><i>*</i>电话</span><input type="text" name="phone" /></p>                    <p>                        <span><i>*</i>邮箱</span><input type="text" name="email" />                    </p>                </li>                <li>                                            <span class="span_nei"><i>*</i>内容</span>                        <textarea name="content" rows="7" cols=""></textarea>                                        </li>                <li class="clearfix yan_li">                 <span><i>*</i>验证码</span><input type="text" name="code" />                    <img onClick="this.src=this.src+'?'+Math.random();" title="看不清,换一张?" class="verifyimg reloadverify" alt="点击切换" src="{:U('verify')}"   />                </li>                <li class="btn">                    <input name="tj" type="submit" class="button" value="提交">                    &nbsp;                    <!--<a href="">重置</a>-->                                                        </li>                </form>

<?phpnamespace Zhendao\Controller;use Think\Controller;class IndexController extends Controller {    public function verify(){        $config =    array(            'fontSize'    =>    30,    // 验证码字体大小            'length'      =>    4,     // 验证码位数        );        $verify = new\Think\Verify($config);        $verify->entry();    }    public function validate(){        $date['v_title'] = I('post.title');        $date['v_name'] = I('post.name');        $date['v_phone'] = I('post.phone');        $date['v_email'] = I('post.email');        $date['v_content'] = I('post.content');        $yzm = I('post.code');        $fkyz = D("Validate");        if (!$fkyz->create()){            // 如果创建失败 表示验证没有通过 输出错误提示信息            exit($fkyz->getError());        }else{            // 验证通过 可以进行其他数据操作            $verify = new \Think\Verify();            $yzmyz = $verify->check($yzm);            if(!$yzmyz){                $this->error('验证码错误','feedback',3);            }else{                $validate = M("validate");                $validate->add($date);                $this->success('添加成功','feedback',3);            }        }}

<?phpnamespace Zhendao\Model;use Think\Model;class ValidateModel extends Model{    protected $_validate = array(        array('title','require','标题必须！'),        array('name','require ','姓名必须！'),        array('phone','require','手机必须！'),        array('email',' require','邮箱必须！'),        array('content','require','内容必须！'),    );}