From c639de37e2f0a5bf00968a0964754571ca162383 Mon Sep 17 00:00:00 2001 From: thinkphp Date: Mon, 25 Jul 2016 10:05:57 +0800 Subject: [PATCH] =?UTF-8?q?=E4=BB=A3=E7=A0=81=E8=A7=84=E8=8C=83?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/Captcha.php | 42 +++++++++++++++++++++--------------------- src/helper.php | 7 +------ 2 files changed, 22 insertions(+), 27 deletions(-) diff --git a/src/Captcha.php b/src/Captcha.php index 1c8a92c..59c36e7 100644 --- a/src/Captcha.php +++ b/src/Captcha.php @@ -48,8 +48,8 @@ class Captcha // 验证成功后是否重置 ]; - private $_image = null; // 验证码图片实例 - private $_color = null; // 验证码字体颜色 + private $im = null; // 验证码图片实例 + private $color = null; // 验证码字体颜色 /** * 架构方法 设置参数 @@ -140,12 +140,12 @@ class Captcha // 图片高(px) $this->imageH || $this->imageH = $this->fontSize * 2.5; // 建立一幅 $this->imageW x $this->imageH 的图像 - $this->_image = imagecreate($this->imageW, $this->imageH); + $this->im = imagecreate($this->imageW, $this->imageH); // 设置背景 - imagecolorallocate($this->_image, $this->bg[0], $this->bg[1], $this->bg[2]); + imagecolorallocate($this->im, $this->bg[0], $this->bg[1], $this->bg[2]); // 验证码字体随机颜色 - $this->_color = imagecolorallocate($this->_image, mt_rand(1, 150), mt_rand(1, 150), mt_rand(1, 150)); + $this->color = imagecolorallocate($this->im, mt_rand(1, 150), mt_rand(1, 150), mt_rand(1, 150)); // 验证码使用随机字体 $ttfPath = __DIR__ . '/../assets/' . ($this->useZh ? 'zhttfs' : 'ttfs') . '/'; @@ -168,11 +168,11 @@ class Captcha if ($this->useNoise) { // 绘杂点 - $this->_writeNoise(); + $this->writeNoise(); } if ($this->useCurve) { // 绘干扰线 - $this->_writeCurve(); + $this->writeCurve(); } // 绘验证码 @@ -182,13 +182,13 @@ class Captcha // 中文验证码 for ($i = 0; $i < $this->length; $i++) { $code[$i] = iconv_substr($this->zhSet, floor(mt_rand(0, mb_strlen($this->zhSet, 'utf-8') - 1)), 1, 'utf-8'); - imagettftext($this->_image, $this->fontSize, mt_rand(-40, 40), $this->fontSize * ($i + 1) * 1.5, $this->fontSize + mt_rand(10, 20), $this->_color, $this->fontttf, $code[$i]); + imagettftext($this->im, $this->fontSize, mt_rand(-40, 40), $this->fontSize * ($i + 1) * 1.5, $this->fontSize + mt_rand(10, 20), $this->color, $this->fontttf, $code[$i]); } } else { for ($i = 0; $i < $this->length; $i++) { $code[$i] = $this->codeSet[mt_rand(0, strlen($this->codeSet) - 1)]; $codeNX += mt_rand($this->fontSize * 1.2, $this->fontSize * 1.6); - imagettftext($this->_image, $this->fontSize, mt_rand(-40, 40), $codeNX, $this->fontSize * 1.6, $this->_color, $this->fontttf, $code[$i]); + imagettftext($this->im, $this->fontSize, mt_rand(-40, 40), $codeNX, $this->fontSize * 1.6, $this->color, $this->fontttf, $code[$i]); } } @@ -202,9 +202,9 @@ class Captcha ob_start(); // 输出图像 - imagepng($this->_image); + imagepng($this->im); $content = ob_get_clean(); - imagedestroy($this->_image); + imagedestroy($this->im); return response($content, 200, ['Content-Length' => strlen($content)])->contentType('image/png'); } @@ -221,7 +221,7 @@ class Captcha * ω：决定周期（最小正周期T=2π/∣ω∣） * */ - private function _writeCurve() + private function writeCurve() { $px = $py = 0; @@ -238,9 +238,9 @@ class Captcha for ($px = $px1; $px <= $px2; $px = $px + 1) { if (0 != $w) { $py = $A * sin($w * $px + $f) + $b + $this->imageH / 2; // y = Asin(ωx+φ) + b - $i = (int)($this->fontSize / 5); + $i = (int) ($this->fontSize / 5); while ($i > 0) { - imagesetpixel($this->_image, $px + $i, $py + $i, $this->_color); // 这里(while)循环画像素点比imagettftext和imagestring用字体大小一次画出（不用这while循环）性能要好很多 + imagesetpixel($this->im, $px + $i, $py + $i, $this->color); // 这里(while)循环画像素点比imagettftext和imagestring用字体大小一次画出（不用这while循环）性能要好很多 $i--; } } @@ -258,9 +258,9 @@ class Captcha for ($px = $px1; $px <= $px2; $px = $px + 1) { if (0 != $w) { $py = $A * sin($w * $px + $f) + $b + $this->imageH / 2; // y = Asin(ωx+φ) + b - $i = (int)($this->fontSize / 5); + $i = (int) ($this->fontSize / 5); while ($i > 0) { - imagesetpixel($this->_image, $px + $i, $py + $i, $this->_color); + imagesetpixel($this->im, $px + $i, $py + $i, $this->color); $i--; } } @@ -271,15 +271,15 @@ class Captcha * 画杂点 * 往图片上写不同颜色的字母或数字 */ - private function _writeNoise() + private function writeNoise() { $codeSet = '2345678abcdefhijkmnpqrstuvwxyz'; for ($i = 0; $i < 10; $i++) { //杂点颜色 - $noiseColor = imagecolorallocate($this->_image, mt_rand(150, 225), mt_rand(150, 225), mt_rand(150, 225)); + $noiseColor = imagecolorallocate($this->im, mt_rand(150, 225), mt_rand(150, 225), mt_rand(150, 225)); for ($j = 0; $j < 5; $j++) { // 绘杂点 - imagestring($this->_image, 5, mt_rand(-10, $this->imageW), mt_rand(-10, $this->imageH), $codeSet[mt_rand(0, 29)], $noiseColor); + imagestring($this->im, 5, mt_rand(-10, $this->imageW), mt_rand(-10, $this->imageH), $codeSet[mt_rand(0, 29)], $noiseColor); } } } @@ -306,7 +306,7 @@ class Captcha list($width, $height) = @getimagesize($gb); // Resample $bgImage = @imagecreatefromjpeg($gb); - @imagecopyresampled($this->_image, $bgImage, 0, 0, 0, 0, $this->imageW, $this->imageH, $width, $height); + @imagecopyresampled($this->im, $bgImage, 0, 0, 0, 0, $this->imageW, $this->imageH, $width, $height); @imagedestroy($bgImage); } @@ -317,4 +317,4 @@ class Captcha $str = substr(md5($str), 8, 10); return md5($key . $str); } -} \ No newline at end of file +} diff --git a/src/helper.php b/src/helper.php index ef3970f..488e5a5 100644 --- a/src/helper.php +++ b/src/helper.php @@ -12,12 +12,11 @@ \think\Route::get('captcha/[:id]', "\\think\\captcha\\CaptchaController@index"); \think\Validate::extend('captcha', function ($value, $id = "") { - return captcha_check($value, $id, (array)\think\Config::get('captcha')); + return captcha_check($value, $id, (array) \think\Config::get('captcha')); }); \think\Validate::setTypeMsg('captcha', '验证码错误!'); - /** * @param string $id * @param array $config @@ -29,7 +28,6 @@ function captcha($id = "", $config = []) return $captcha->entry($id); } - /** * @param $id * @return string @@ -39,7 +37,6 @@ function captcha_src($id = "") return \think\Url::build('/captcha' . ($id ? "/{$id}" : '')); } - /** * @param $id * @return mixed @@ -49,7 +46,6 @@ function captcha_img($id = "") return 'captcha'; } - /** * @param $value * @param string $id @@ -61,4 +57,3 @@ function captcha_check($value, $id = "", $config = []) $captcha = new \think\captcha\Captcha($config); return $captcha->check($value, $id); } -