window搭建php+yii2 PHP

window搭建php+yii2 1. 在 Windows 中，你首先需要下载并运行 Composer-Setup.exe 2. Composer 安装后，切换到一个可通过 Web 访问的目录，执行如下命令即可安装 Yii ： 3. 通过windows的’cmd’命令进入dos命令窗口，执行如下命令 【window搭建php+yii2】composer global require “fxp/composer-asset-plugin:~1.2.1”
出现问题1：

报错:The openssl extension is required for SSL/TLS protection but is not available. If you can not enable the openssl extension, you can disable this error, at your own risk, by setting the 'disable-tls' option to true.解决： You should go to XAMPP php.ini and remove the semicolum from: extension=php_openssl.dll参考：https://teamtreehouse.com/community/openssl-extension-is-required

出现问题2：

报错：Deprecation Notice: The Composer\Package\LinkConstraint\MultiConstraint class is deprecated, use Composer\Semver\Constraint\MultiConstraint instead . in phar://C:/ProgramData/ComposerSetup/bin/composer.phar/src/Composer/Package/LinkConstraint/MultiConstraint.php:17解决：composer global require "fxp/composer-asset-plugin:~1.0.0" 修改成 composer global require "fxp/composer-asset-plugin:~1.2.1"

composer create-project –prefer-dist –stability=dev yiisoft/yii2-app-advanced www.dh.com
出现问题3：

报错：Problem 1 - yiisoft/yii2 2.0.x-dev requires ext-mbstring * -> the requested PHP extens ion mbstring is missing from your system. - yiisoft/yii2 2.0.9 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - yiisoft/yii2 2.0.8 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - yiisoft/yii2 2.0.7 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - yiisoft/yii2 2.0.6 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - Installation request for yiisoft/yii2 ~2.0.6 -> satisfiable by yiisoft/yii 2[2.0.6, 2.0.7, 2.0.8, 2.0.9, 2.0.x-dev].To enable extensions, verify that they are enabled in those .ini files: - I:\android_developer\httpd2.4\php\php.ini You can also run `php --ini` inside terminal to see which files are used by PH P in CLI mode.解决：找到php.ini打开extension=php_mbstring.dll参考文档：http://stackoverflow.com/questions/36979019/getting-error-while-update-composer http://stackoverflow.com/questions/32488917/composer-the-requested-php-extension-mbstring-is-missing-from-your-system