站長資訊網
        最全最豐富的資訊網站

        一文講解Laravel-snappy如何導出PDF

        下面由Laravel教程欄目給大家介紹如何使用Laravel-snappy導出PDF,希望對需要的朋友有所幫助!

        前言

        論壇里有很多關于如何使用 Laravel-snappy 的文章,但是很多都停留在安裝、基本示例,對于實際的應用既沒有說明用法,也沒有解答一些問題和疑惑,因此在此整理一下,權當做個記錄吧。

        安裝

        以 ubuntu 為例

        1. 執行安裝 wkhtmltopdf:

        composer require h4cc/wkhtmltopdf-amd64 0.12.x composer require h4cc/wkhtmltoimage-amd64 0.12.x

        顧名思義,分別安裝的是 wkhtmltopdf 和 wkhtmltoimage。

        2. 復制 wkhtmltopdf 到 ubuntu 可執行命令的目錄中

        sudo cp vendor/h4cc/wkhtmltoimage-amd64/bin/wkhtmltoimage-amd64 /usr/local/bin/ sudo cp vendor/h4cc/wkhtmltopdf-amd64/bin/wkhtmltopdf-amd64 /usr/local/bin/ //并使其可執行: sudo chmod +x /usr/local/bin/wkhtmltoimage-amd64  sudo chmod +x /usr/local/bin/wkhtmltopdf-amd64

        3. 安裝 laravel-snappy

        composer require barryvdh/laravel-snappy

        4. 將 ServiceProvider 添加到 config/app.php 中的 providers 數組中

        BarryvdhSnappyServiceProvider::class

        5. 將 Facades 添加到 config/app.php 中的 aliases 數組中

        'PDF' => BarryvdhSnappyFacadesSnappyPdf::class, 'SnappyImage' => BarryvdhSnappyFacadesSnappyImage::class,

        6. 執行生成配置文件

        php artisan vendor:publish --provider="BarryvdhSnappyServiceProvider"

        可以看到默認的配置文件為 config/snappy.php:

        return [     'pdf' => [         'enabled' => true,         'binary'  => env('WKHTML_PDF_BINARY', '/usr/local/bin/wkhtmltopdf'),         'timeout' => false,         'options' => [],         'env'     => [],     ],     'image' => [         'enabled' => true,         'binary'  => env('WKHTML_IMG_BINARY', '/usr/local/bin/wkhtmltoimage'),         'timeout' => false,         'options' => [],         'env'     => [],     ], ];

        注意,這里有個坑,默認 binary 配置為 /usr/local/bin/wkhtmltopdf 和 /usr/local/bin/wkhtmltoimage,在第一次使用的時候,會報錯 /usr/local/bin/wkhtmltopdf不存在,這是因為在 linux 系統下,wkhtmltopdf 和 wkhtmltoimage 的真實路徑和名稱為:/usr/local/bin/wkhtmltopdf-amd64 和 /usr/local/bin/wkhtmltoimage-amd64。

        一文講解Laravel-snappy如何導出PDF

        因此,需要把配置信息修改為:

        'pdf' => [         ...         'binary'  => env('WKHTML_PDF_BINARY', '/usr/local/bin/wkhtmltopdf-amd64'),         ...     ],     'image' => [         ...         'binary'  => env('WKHTML_IMG_BINARY', '/usr/local/bin/wkhtmltoimage-amd64'),         ...     ],

        開始使用

        //使用方法1 $pdf = PDF::loadView('welcome', $data); return $pdf->download('welcome.pdf'); //使用方法2 $html = '<html><head><meta charset="utf-8"></head><h1>訂單id</h1><h2>12346546</h2></html>'; $pdf = PDF::loadHTML($html); return $pdf->inline();

        很多博客里沒有提到,使用方法 1 中,會報這樣的錯:

        The exit status code '1' says something went wrong: stderr: "Loading pages (1/6) [> ] 0% [======> ] 10% QSslSocket: cannot resolve CRYPTO_num_locks 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 [==================> ] 31% QSslSocket: cannot call unresolved function SSLv23_client_method QSslSocket: cannot call unresolved function SSL_library_init [============================================================] 100% Counting pages (2/6) [============================================================] Object 1 of 1 Resolving links (4/6) [============================================================] Object 1 of 1 Loading headers and footers (5/6) Printing pages (6/6) [> ] Preparing [============================================================] Page 1 of 1 Done Exit with code 1 due to network error: UnknownNetworkError 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 " stdout: "" command: /usr/local/bin/wkhtmltopdf-amd64 --lowquality '/tmp/knp_snappy612c3edcdfc855.21787864.html' '/tmp/knp_snappy612c3edcdfce49.80482557.pdf'.

        執行:

        sudo apt-get update sudo apt install libssl1.0-dev

        修復完成,導出 welcome 頁面。

        如果使用 save () 方法保存,默認保存到 /public 文件夾下,并且如果文件名相同的情況下,第二次保存會提示文件已經存在。

        贊(0)
        分享到: 更多 (0)
        網站地圖   滬ICP備18035694號-2    滬公網安備31011702889846號
        主站蜘蛛池模板: 国产精品女同一区二区久久| 精品国产午夜福利在线观看 | 国内精品91最新在线观看| 亚洲国产精品日韩专区AV| 国产精品日日摸夜夜添夜夜添1国产精品va欧美精 | 欧美精品一区二区三区在线| 国产在线精品免费aaa片| 亚洲精品午夜国产VA久久成人| 久久国产成人精品国产成人亚洲| 精品国产自在在线在线观看| 国产精品视频第一区二区三区| 亚洲精品国产字幕久久不卡| 欧美精品亚洲人成在线观看| 久久精品国产精品亚洲人人 | 婷婷久久精品国产| 精品无码三级在线观看视频| 国产高清国内精品福利99久久| 久久99国产精品久久99| 国产午夜精品一区理论片| 99精品久久精品| 国产精品久久久久aaaa| 国产精品亚洲欧美一区麻豆| 国产精品分类视频分类一区| 国产精品你懂的| 久久国产亚洲精品麻豆| 久久精品国产亚洲麻豆| 秋霞久久国产精品电影院| 亚洲国产精品线在线观看| 9999国产精品欧美久久久久久| 98香蕉草草视频在线精品看| 国产精品国产高清国产专区| 国产精品亚洲玖玖玖在线观看| 国产亚州精品女人久久久久久| 精品日韩在线视频一区二区三区| 久久久久99精品成人片| 久久久久九国产精品| 久久精品国产第一区二区| 夜夜爽一区二区三区精品| 亚洲精品无码专区久久同性男| 亚洲精品卡2卡3卡4卡5卡区| 精品久久无码中文字幕|