1.composer install或者其他操作报:
代码语言：javascript复制A version is required for an API group definition.可能1：.env文件没有
2.laravel-admin 显示图片在图片地址前添加admin域名，例如：
代码语言：javascript复制127.0.0.1:8000/admin/127.0.0.1:8000/uploads/images/1.jpg原因：.env设置APP_URL错误
代码语言：javascript复制错误：APP_URL=127.0.0.1:8000
正确：APP_URL=http://127.0.0.1:80003.模仿dingoapi 返回分页
代码语言：javascript复制
$dataList = $paginator->transform(function ($item){
$data = $transformer->transformData($item);
return $data;
});4.laravel-admin上传多张图片
controller：
代码语言：javascript复制 $form->multipleImage('images', '上传图片');model：
代码语言：javascript复制 public function getImagesAttribute($value){
$array = explode(',', $value);
return $array;
}
public function setImagesAttribute($value){
$this->attributes['images'] = implode(',', $value);
}
5.接口请求数据库写字段写入不进去
代码语言：javascript复制model中$fillable添加字段6.composer 无法下载扩展文件的问题
代码语言：javascript复制 [ComposerDownloaderTransportException]
The "https://packagist.laravel-china.org/packages.json" file could not be downloaded: Peer certificate CN=`*.phphub.org' di
d not match expected CN=`packagist.laravel-china.org'
Failed to enable crypto
failed to open stream: operation failed 原因：composer 全局下载换成中国镜像.
解决：下载源换回默认。修改 composer 配置
composer config -g repo.packagist composer https://packagist.phpcomposer.com
7.报bootstrap/cache directory must be present and writable.错误
mkdir cache
php artisan cache:clear
8. 报这个错误 Missing BC Math or GMP extension.
Hashids requires either theBC MathorGMPextension in order to work.
yum install php-bcmath
chown -R -v nginx:nginx /run/php-fpm/php-fpm.sock
9.file_put_contents(/): failed to open stream: Permission denied
1）php artisan cache:clear 2）chmod -R 777 storage
10.composer update报错
代码语言：javascript复制[ComposerDownloaderTransportException]
The "https://packagist.laravel-china.org/packages.json" file could not be downloaded: SSL operation failed with code 1. OpenSSL Error mess
ages:
error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed
Failed to enable crypto
failed to open stream: operation failed composer config repo.packagist composer https://packagist.phpcomposer.com
11.lavale换源
代码语言：javascript复制[ComposerDownloaderTransportException]
The "https://packagist.laravel-china.org/p/league/fractal$15238fdcb46cea35d54e55c4b
3b27b4b96525d1f9909d9f01b69abff5ef0b57a.json" file could not be downloaded: SSL opera
tion failed with code 1. OpenSSL Error messages:
error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed
Failed to enable crypto
failed to open stream: operation failed composer config repo.packagist composer https://mirrors.aliyun.com/composer/
