未以PDF格式显示的图像(barryvdh/laravel-snappy包)

Question

我正在使用中的barryvdh/laravel-snappy包将html文件转换为PDF。

它运行良好，但图像中的PDF没有显示。

html中使用的图像路径类似于：

https://easydmc-staging2.s3.ap-south-1.amazonaws.com/ImagesSightseeing/2021/03/1PeocnxOb3gqlZmMSjwXDWwLiEfyq0a8KX5M4OOw.jpeg

以下是html的链接：

https://staging.easydmc.com/test?html=true

到生成的PDF的链接是：

https://staging.easydmc.com/test?html=false

早些时候，这些图像在PDF中工作得很好。几天前，我执行了命令- sudo apt升级。我不知道这是否造成问题。

我试过重新安装软件包barryvdh/laravel-snappy，，但没有成功。

任何帮助都将不胜感激。

PHP版本: 8.0

服务器: Nginx

Laravel: 8.51.0

Answer 1

我以前有过这个问题，那是因为wkhtmltopdf。您应该使用存储全路径而不是web url。

例如，不要使用：

https://easydmc-staging2.s3.ap-south-1.amazonaws.com/ImagesSightseeing/2021/03/1PeocnxOb3gqlZmMSjwXDWwLiEfyq0a8KX5M4OOw.jpeg

使用这样的东西：

/var/www/html/myproject/public/ImagesSightseeing/2021/03/1PeocnxOb3gqlZmMSjwXDWwLiEfyq0a8KX5M4OOw.jpeg

要获得完整的存储路径，可以使用如下代码：

<img src="{{public_path('/ImagesSightseeing/2021/03/1PeocnxOb3gqlZmMSjwXDWwLiEfyq0a8KX5M4OOw.jpeg')}}" />

Answer 2

我找到了解决办法：

首先，在使用以下命令生成PDF时，我检查了是否存在问题：

/usr/local/bin/wkhtmltopdf-amd64 http://www.google.com test.pdf

我要知道以下问题：

QSslSocket: cannot resolve CRYPTO_num_locks                  ] 10%
QSslSocket: cannot resolve CRYPTO_set_id_callback
QSslSocket: cannot resolve CRYPTO_set_locking_callback
QSslSocket: cannot resolve sk_free
QSslSocket: cannot resolve sk_num
QSslSocket: cannot resolve sk_pop_free
QSslSocket: cannot resolve sk_value
QSslSocket: cannot resolve SSL_library_init
QSslSocket: cannot resolve SSL_load_error_strings
QSslSocket: cannot resolve SSLv3_client_method
QSslSocket: cannot resolve SSLv23_client_method
QSslSocket: cannot resolve SSLv3_server_method
QSslSocket: cannot resolve SSLv23_server_method
QSslSocket: cannot resolve X509_STORE_CTX_get_chain
QSslSocket: cannot resolve OPENSSL_add_all_algorithms_noconf
QSslSocket: cannot resolve OPENSSL_add_all_algorithms_conf
QSslSocket: cannot resolve SSLeay
QSslSocket: cannot call unresolved function CRYPTO_num_locks
QSslSocket: cannot call unresolved function CRYPTO_set_id_callback
QSslSocket: cannot call unresolved function CRYPTO_set_locking_callback
QSslSocket: cannot call unresolved function SSL_library_init
QSslSocket: cannot call unresolved function SSLv23_client_method
QSslSocket: cannot call unresolved function sk_num
QSslSocket: cannot call unresolved function SSLv23_client_method00%
QSslSocket: cannot call unresolved function SSL_library_init
QSslSocket: cannot call unresolved function SSLv23_client_method
QSslSocket: cannot call unresolved function SSL_library_init

解决上述问题的方法是安装libssl1.0dev：

apt install libssl1.0-dev

所以我的PDF链接https://staging.easydmc.com/test?html=false在最初的问题现在开始工作了。