PHP框架Yii安装出现的问题及解决方法

本文详细记录了使用Composer安装Yii2过程中遇到的各种错误及解决方法,包括权限问题、缓存目录不可写、SSL连接超时等,并提供了将Composer镜像更改为国内镜像的步骤。

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第一步安装所需要的作曲家:


 curl -sS https://getcomposer.org/installer | PHP

返回失败错误信息:
All settings correct for using Composer
Unable to write keys.dev.pub to: /home/acmemax/.composer
解决方法 改变文章的读写权限

然后把作曲家修改为全局变量,执行:

mv composer.phar /usr/local/bin/composer

第二步安装Yii2.0:


composer create-project --prefer-dist yiisoft/yii2-app-basic basic

返回失败信息:

Cannot create cache directory /home/acmemax/.composer/cache/repo/https---repo.packagist.org/, 
or directory is not writable. Proceeding without cache

没有写入的权限

解决方法:

sudo chmod -R 777 /home/acmemax/.composer/cache/

再次执行,报错:

The "https://repo.packagist.org/packages.json" file could not be downloaded: SSL: crypto enabling timeout
Failed to enable crypto
failed to open stream: operation failed
https://repo.packagist.org could not be fully loaded, package information was loaded from the local cache and may be out of date

                                                                  [Composer\Downloader\TransportException]                                   
  Content-Length mismatch, received 19839 bytes out of the expected 1080215 

composer连接超时

解决方法:

composer的镜像变为国内的

composer config -g repo.packagist composer https://packagist.phpcomposer.com

运行会出现没有权限的问题

[ErrorException]                                                                              
  touch(): Unable to create file /home/acmemax/.composer/config.json because Permission denied

解决方法:

sudo chmod -R 777 /home/acmemax/.composer/

然后再次执行修改composer的下载地址:

composer config -g repo.packagist composer https://packagist.phpcomposer.com

没有报错,查看配置文件:

cat /home/acmemax/.composer/config.json

{
    “config”:{},
    “repositories”:{
        “packagist”:{
            “type”:“composer”,
            “url”:“https://packagist.phpcomposer.com”
        }
    }
}

然后再下载的Yii

composer create-project --prefer-dist yiisoft/yii2-app-basic basic
composer create-project --prefer-dist yiisoft/yii2-app-basic basic
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