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  • Thinkphp 验证码、文件上传

    一、验证码

     

    验证码参数

    例题:登录时验证下验证码

    LoginController.class.php

    <?php
    namespace HomeController;
    use ThinkController;
    class LoginController extends Controller
    {
        public function Login()
        {
            if(empty($_POST))
            {
                $this->display();    
            }    
            else
            {
                //判断验证码是否正确
                $code = $_POST["yzm"];//用户输入的验证码的值
                $verify = new ThinkVerify(); //生成验证码 
                if($verify->check($code))
                {
                    if($_POST["uid"]!="")
                    {
                        $model = D("users");        
            
                        $uid = $_POST["uid"];
                        $pwd = $_POST["pwd"];
                        
                        $attr = $model->field("Pwd")->find($uid);
                        //echo $attr["pwd"];
                        
                        if($pwd == $attr["pwd"])
                        {
                            session("uid",$uid);
                            $this->success("登录成功","Main");
                        }
                        else
                        {
                            $this->error("登录失败");    
                        }
                    }
                    else
                    {
                        $this->error("登录失败");    
                    }
                
                }
                else
                {
                    $this->error("验证码错误");    
                }
            }
        }
        
        //生成验证码的操作
        public function yzm()
        {
            $config =    array(   
            'fontSize'    =>    30,    // 验证码字体大小    
            'length'      =>    5,     // 验证码位数 
            //'useNoise'    =>    false, // 关闭验证码杂点
            'imageW'  => 200,//宽度
            'imageH'  => 100,//高度
            //'useZh' => true,//中文验证码
            //'fontttf' => 'Arvo-Regular.ttf',//指定验证码字体
            );
             
            $Verify = new ThinkVerify($config);
            //$Verify->fontttf = '7.ttf';  // 验证码字体使用 ThinkPHP/Library/Think/Verify/ttfs/5.ttf
            $Verify->entry();    
        }
        
    View Code

    Login.html

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>无标题文档</title>
    <script src="../../../../Public/four/llx/js/jquery-1.3.2.js"></script>
    </head>
    
    <body>
    <h1>登录</h1>
    <form action="__ACTION__" method="post">
    <div>用户名:<input type="text" name="uid" /></div>
    <div>密码:<input type="password" name="pwd" /></div>
    <div>验证码:<input type="text" name="yzm" /><br />
    <img id="yzm" src="__CONTROLLER__/yzm" /></div>
    <input type="submit" value="登录" />
    
    </form>
    </body>
    </html>
    <script type="text/javascript">
    $(document).ready(function(e) {
        $("#yzm").click(function(){
            //点击图片验证码改变
            $(this).attr("src","__CONTROLLER__/yzm");
            
            })
    });
    </script>
    View Code

               

    二、文件上传

    上传参数

    每个文件信息又是一个记录了下面信息的数组,包括:

    //文件上传
        public function ShangChuan()
        {
             if(empty($_FILES))
             {
                 $this->display();     
             }
             else
             {
                  $upload = new ThinkUpload();// 实例化上传类
                  $upload->maxSize = 3145728 ;// 设置附件上传大小
                  $upload->exts = array('jpg', 'gif', 'png', 'jpeg');// 设置附件上传类型
                
                  //$upload->mimes = '';
                  $upload->rootPath = './Public/';
                  $upload->savePath = 'Uploads/'; // 设置附件上传目录
                  $upload->saveName = '';//保持上传文件名不变
    
                  
                  // 上传文件   
                  $info = $upload->upload();
                  var_dump($info);
                  
                  if(!$info)
                  {
                       $this->error($upload->getError());
                  }
                  else
                  {
                      // 上传成功 获取上传文件信息
                      foreach($info as $file)
                      {        
                              $url=$file['savepath'].$file['savename'];
                              echo $url;
                              $this->assign("url",$url);
                                $this->display();
                               //$this->success('上传成功!');
                      }
                  }
    
             }    
        }
        
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>文件上传</title>
    </head>
    
    <body>
    <form action="__ACTION__" enctype="multipart/form-data" method="post" >
    
    <input type="file" name="photo" />
    <input type="submit" value="提交" >
    
    </form>
    </body>
    </html>

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  • 原文地址:https://www.cnblogs.com/ds-3579/p/5602433.html
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