<?phpnamespace frontend\models; use common\models\User;use yii\base\Model;use Yii; /** * Signup form */class SignupForm extends Model{ public $username; public $email; public $password; public $rePassword; public $vitifyCode; /** * @inheritdoc */ pub…
1.新建一个aspx页面生成验证码图像 using System; using System.Data; using System.Configuration; using System.Collections; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebC…
C# DateTime的11种构造函数 别的也不多说没直接贴代码 using System; using System.Collections.Generic; using System.Globalization; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.Threading; using System.Threading.Tasks; namespace…
1.在公共类ImageHelper中编写公共方法,产生随机验证码 /// <summary> /// 产生随机验证码 /// </summary> /// <returns></returns> public string GetString() { string randString = ""; Random random = new Random(); do { //使用DateTime.Now.Millisecond作为生成随机数的…
1,在home模块indexController.class.php中,加入以下代码 <?php namespace Home\Controller; use Think\Controller; class BookController extends Controller { public function verify_c(){ $Verify = new \Think\Verify(); $Verify->fontSize = 18; $Verify->length = 4; $V…
1. 安装依赖 composer require gregwar/captcha 2.使用 use Gregwar\Captcha\CaptchaBuilder; use DB; use Request; use Session; //生成验证码 public function captcha() { //生成验证码图片的Builder对象,配置相应属性 $builder = new CaptchaBuilder; //可以设置图片宽高及字体 $builder->build($width =…