Laravel Php Artisan服务错误

在1天没有睡觉之后，我收到了这些错误，仍然难以解决 . 运行composer install / update后，总是会出现这些错误 .

Your requirements could not be resolved to an installable set of packages.

问题1 - guzzle / guzzle v3.9.3需要ext-curl * - >系统中缺少所请求的PHP扩展卷曲 . - guzzle / guzzle v3.9.2需要ext-curl * - >系统中缺少所请求的PHP扩展卷曲 . - guzzle / guzzle v3.9.1需要ext-curl * - >系统中缺少所请求的PHP扩展卷曲 . - guzzle / guzzle v3.9.0需要ext-curl * - >系统中缺少所请求的PHP扩展卷曲 . - guzzle / guzzle的安装要求~3.9 - >可由guzzle / guzzle满足[v3.9.0，v3.9.1，v3.9.2，v3.9.3] .

要启用扩展，请验证它们是否已在这些.ini文件中启用： - /etc/php/7.0/cli/php.ini - /etc/php/7.0/cli/conf.d/10-mysqlnd.ini - / etc /php/7.0/cli/conf.d/10-opcache.ini - /etc/php/7.0/cli/conf.d/10-pdo.ini - /etc/php/7.0/cli/conf.d/15 -xml.ini - /etc/php/7.0/cli/conf.d/20-calendar.ini - /etc/php/7.0/cli/conf.d/20-ctype.ini - /etc/php/7.0/ cli / conf.d / 20-dom.ini - /etc/php/7.0/cli/conf.d/20-exif.ini - /etc/php/7.0/cli/conf.d/20-fileinfo.ini - /etc/php/7.0/cli/conf.d/20-ftp.ini - /etc/php/7.0/cli/conf.d/20-gd.ini - /etc/php/7.0/cli/conf.d /20-gettext.ini - /etc/php/7.0/cli/conf.d/20-iconv.ini - /etc/php/7.0/cli/conf.d/20-json.ini - / etc / php / 7.0 / cli / conf.d / 20-mbstring.ini - /etc/php/7.0/cli/conf.d/20-mcrypt.ini - /etc/php/7.0/cli/conf.d/20-mysqli . ini - /etc/php/7.0/cli/conf.d/20-pdo_mysql.ini - /etc/php/7.0/cli/conf.d/20-phar.ini - /etc/php/7.0/cli/conf .d / 20-posix.ini - /etc/php/7.0/cli/conf.d/20-readline.ini - /etc/php/7.0/cli/conf.d/20-shmop.ini - / etc / PHP / 7.0 / CLI / conf.d / 20-SIMP lexml.ini - /etc/php/7.0/cli/conf.d/20-sockets.ini - /etc/php/7.0/cli/conf.d/20-sysvmsg.ini - /etc/php/7.0/cli /conf.d/20-sysvsem.ini - /etc/php/7.0/cli/conf.d/20-sysvshm.ini - /etc/php/7.0/cli/conf.d/20-tokenizer.ini - / etc / php / 7.0 / cli / conf.d / 20-wddx.ini - /etc/php/7.0/cli/conf.d/20-xmlreader.ini - /etc/php/7.0/cli/conf.d/ 20-xmlwriter.ini - /etc/php/7.0/cli/conf.d/20-xsl.ini您也可以在终端内运行 php --ini ，以查看PHP在CLI模式下使用的文件 .

我怎么解决这个问题？