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Symfony2使用第三方库Upload制作图片上传实例详解_PHP

May 28, 2016 am 11:48 AM
picture Third-party libraries

本文实例分析了Symfony2使用第三方库Upload制作图片上传的方法。分享给大家供大家参考,具体如下:

我们在应用程序或者网站的个人资料里一般都有设置头像的功能,这一章我们在Symfony2里用第三方的一个比较有名Upload库来制作上传图片的功能。

一、安装第三方库

1.在composer.json文件中的”require”中加入

"codeguy/upload": "*"

Copy after login
Copy after login

2.运行指令安装

composer update

Copy after login
Copy after login
Copy after login

二、编码

1.编写uploadPic方法上传图片,并将上传图片的用户id作为文件名

<?php
/**
 * @author Sun
 * By blogs.zmit.cn http://blogs.zmit.cn
 * 原创作品,允许转载,转载时请务必以超链接形式标明文章原始出处 http://blogs.zmit.cn/6544.html
 * 中梦博客,作者信息和本声明。否则将追究法律责任。
 */
namespace ZM\AdminBundle\Controller;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\Filesystem\Filesystem;
class DefaultController extends Controller {
  public function indexAction($name) {
    return $this->render('ZMAdminBundle:Default:index.html.twig', array('name' => $name));
  }
  /**
   * 上传图片
   *
   * @param type $user_id 用户的id,用作文件名
   * @param type $str   表单中file类型的input的name
   * @param type $path  保存路径
   * @return type
   */
  public function uploadPic($user_id, $str, $path) {
    $fs = new Filesystem();
    //检查路径是否存在
    if (!$fs->exists($path)) {
      //如果不存在,创建目录
      $fs->mkdir($path, 0700);
    }
    //使用Upload库
    $storage = new \Upload\Storage\FileSystem($path);
    $file = new \Upload\File($str, $storage);
    //如果文件名为空
    if ($file->getName() != '') {
      //设置文件名为用户的id
      $file->setName($user_id);
      //验证文件上传
      $file->addValidations(array(
        //指定文件类型
        new \Upload\Validation\Mimetype(array('image/png', 'image/jpg', 'image/jpeg', 'image/gif')),
        //指定文件大小
        new \Upload\Validation\Size('2M')
      ));
      //上传文件
      try {
        //成功
        $file->upload();
        //文件名和扩展名
        $file_name = $file->getNameWithExtension();
      } catch (\Exception $e) {
        //失败!
        $errors = $file->getErrors();
      }
    }
    //返回文件名和扩展名
    return $file_name;
  }
}

Copy after login
Copy after login
Copy after login

2.用户上传头像,并将头像全路径存入数据库表

request;
    $user_id = $request->get('user_id');
    //判断是否有文件上传
    if (isset(

本文实例分析了Symfony2使用第三方库Upload制作图片上传的方法。分享给大家供大家参考,具体如下:

我们在应用程序或者网站的个人资料里一般都有设置头像的功能,这一章我们在Symfony2里用第三方的一个比较有名Upload库来制作上传图片的功能。

一、安装第三方库

1.在composer.json文件中的”require”中加入

"codeguy/upload": "*"

Copy after login
Copy after login

2.运行指令安装

composer update

Copy after login
Copy after login
Copy after login

二、编码

1.编写uploadPic方法上传图片,并将上传图片的用户id作为文件名

<?php
/**
 * @author Sun
 * By blogs.zmit.cn http://blogs.zmit.cn
 * 原创作品,允许转载,转载时请务必以超链接形式标明文章原始出处 http://blogs.zmit.cn/6544.html
 * 中梦博客,作者信息和本声明。否则将追究法律责任。
 */
namespace ZM\AdminBundle\Controller;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\Filesystem\Filesystem;
class DefaultController extends Controller {
  public function indexAction($name) {
    return $this->render('ZMAdminBundle:Default:index.html.twig', array('name' => $name));
  }
  /**
   * 上传图片
   *
   * @param type $user_id 用户的id,用作文件名
   * @param type $str   表单中file类型的input的name
   * @param type $path  保存路径
   * @return type
   */
  public function uploadPic($user_id, $str, $path) {
    $fs = new Filesystem();
    //检查路径是否存在
    if (!$fs->exists($path)) {
      //如果不存在,创建目录
      $fs->mkdir($path, 0700);
    }
    //使用Upload库
    $storage = new \Upload\Storage\FileSystem($path);
    $file = new \Upload\File($str, $storage);
    //如果文件名为空
    if ($file->getName() != '') {
      //设置文件名为用户的id
      $file->setName($user_id);
      //验证文件上传
      $file->addValidations(array(
        //指定文件类型
        new \Upload\Validation\Mimetype(array('image/png', 'image/jpg', 'image/jpeg', 'image/gif')),
        //指定文件大小
        new \Upload\Validation\Size('2M')
      ));
      //上传文件
      try {
        //成功
        $file->upload();
        //文件名和扩展名
        $file_name = $file->getNameWithExtension();
      } catch (\Exception $e) {
        //失败!
        $errors = $file->getErrors();
      }
    }
    //返回文件名和扩展名
    return $file_name;
  }
}

Copy after login
Copy after login
Copy after login

2.用户上传头像,并将头像全路径存入数据库表

___FCKpd___3
Copy after login
Copy after login

这样图片就上传成功,将用户的id作为文件名,并修改表字段值为图片的全路径

本文永久地址:http://blog.it985.com/6544.html
本文出自 IT985博客 ,转载时请注明出处及相应链接。

更多关于PHP框架相关内容感兴趣的读者可查看本站专题:《php优秀开发框架总结》,《codeigniter入门教程》,《CI(CodeIgniter)框架进阶教程》,《Yii框架入门及常用技巧总结》及《ThinkPHP入门教程》

希望本文所述对大家基于Symfony框架的PHP程序设计有所帮助。

FILES['head']) &&

本文实例分析了Symfony2使用第三方库Upload制作图片上传的方法。分享给大家供大家参考,具体如下:

我们在应用程序或者网站的个人资料里一般都有设置头像的功能,这一章我们在Symfony2里用第三方的一个比较有名Upload库来制作上传图片的功能。

一、安装第三方库

1.在composer.json文件中的”require”中加入

"codeguy/upload": "*"

Copy after login
Copy after login

2.运行指令安装

composer update

Copy after login
Copy after login
Copy after login

二、编码

1.编写uploadPic方法上传图片,并将上传图片的用户id作为文件名

<?php
/**
 * @author Sun
 * By blogs.zmit.cn http://blogs.zmit.cn
 * 原创作品,允许转载,转载时请务必以超链接形式标明文章原始出处 http://blogs.zmit.cn/6544.html
 * 中梦博客,作者信息和本声明。否则将追究法律责任。
 */
namespace ZM\AdminBundle\Controller;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\Filesystem\Filesystem;
class DefaultController extends Controller {
  public function indexAction($name) {
    return $this->render('ZMAdminBundle:Default:index.html.twig', array('name' => $name));
  }
  /**
   * 上传图片
   *
   * @param type $user_id 用户的id,用作文件名
   * @param type $str   表单中file类型的input的name
   * @param type $path  保存路径
   * @return type
   */
  public function uploadPic($user_id, $str, $path) {
    $fs = new Filesystem();
    //检查路径是否存在
    if (!$fs->exists($path)) {
      //如果不存在,创建目录
      $fs->mkdir($path, 0700);
    }
    //使用Upload库
    $storage = new \Upload\Storage\FileSystem($path);
    $file = new \Upload\File($str, $storage);
    //如果文件名为空
    if ($file->getName() != '') {
      //设置文件名为用户的id
      $file->setName($user_id);
      //验证文件上传
      $file->addValidations(array(
        //指定文件类型
        new \Upload\Validation\Mimetype(array('image/png', 'image/jpg', 'image/jpeg', 'image/gif')),
        //指定文件大小
        new \Upload\Validation\Size('2M')
      ));
      //上传文件
      try {
        //成功
        $file->upload();
        //文件名和扩展名
        $file_name = $file->getNameWithExtension();
      } catch (\Exception $e) {
        //失败!
        $errors = $file->getErrors();
      }
    }
    //返回文件名和扩展名
    return $file_name;
  }
}

Copy after login
Copy after login
Copy after login

2.用户上传头像,并将头像全路径存入数据库表

___FCKpd___3
Copy after login
Copy after login

这样图片就上传成功,将用户的id作为文件名,并修改表字段值为图片的全路径

本文永久地址:http://blog.it985.com/6544.html
本文出自 IT985博客 ,转载时请注明出处及相应链接。

更多关于PHP框架相关内容感兴趣的读者可查看本站专题:《php优秀开发框架总结》,《codeigniter入门教程》,《CI(CodeIgniter)框架进阶教程》,《Yii框架入门及常用技巧总结》及《ThinkPHP入门教程》

希望本文所述对大家基于Symfony框架的PHP程序设计有所帮助。

FILES['head'] != '') { $conn = $this->getDoctrine()->getConnection(); $data = $conn->fetchAssoc("SELECT id, head FROM contact WHERE id = ? LIMIT 1", array($user_id)); //判断用户是否存在 if(!empty($data['id'])) { //设置图片保存路径 $path = 'image/head/'; //获取上传文件后返回的文件名和扩展名 $file_name = $this->uploadPic($user_id, 'head', $path); //修改用户contact表head头像字段的值 $conn->executeUpdate("UPDATE contact SET head = ? WHERE id = ?", array($path . $file_name, $user_id)); $result['flag'] = 1; $result['content'] = '上传头像成功!'; } else { $result['flag'] = 3; $result['content'] = '用户不存在!'; } }else{ $result['flag'] = 2; $result['content'] = '上传失败,没有选择图片!'; } return new Response(json_encode($result), '200', array('Content-Type' => 'application/json')); } }

这样图片就上传成功,将用户的id作为文件名,并修改表字段值为图片的全路径

本文永久地址:http://blog.it985.com/6544.html
本文出自 IT985博客 ,转载时请注明出处及相应链接。

更多关于PHP框架相关内容感兴趣的读者可查看本站专题:《php优秀开发框架总结》,《codeigniter入门教程》,《CI(CodeIgniter)框架进阶教程》,《Yii框架入门及常用技巧总结》及《ThinkPHP入门教程》

希望本文所述对大家基于Symfony框架的PHP程序设计有所帮助。

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