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thinkphp5 框架结合plupload实现图片批量上传功能示例

转载 作者:qq735679552 更新时间:2022-09-29 22:32:09 30 4
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本文实例讲述了thinkphp5 框架结合plupload实现图片批量上传功能。分享给大家供大家参考,具体如下:

在extend目录下新增目录uploader,并新建类Uploads 。

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<?php
namespace uploader;
 
class Uploads {
  public static function upfile( $file , $path = 'images' , $add_domain = false) {
   $res = [ 'errno' => 1, 'errmsg' => '上传图片错误' ];
   $data = '' ;
   if (! empty ( $file )) {
    // 上传根目录
    $file_path = 'uploads/' ;
    // 如果传了路径过来,则加入路径
    if (! empty ( $path )) {
     $file_path .= $path . '/' ;
    }
    if (! file_exists ( $file_path )) {
     @ mkdir ( $file_path );
    }
    // 上传
    $info = $file ->move( $file_path );
    // 获取后缀
    $ext = strtolower ( $info ->getExtension());
    //判断后缀是否合法
    $exts = [ 'jpg' , 'png' , 'gif' , 'jpeg' , 'mp4' , 'avi' , '3gp' ];
    if (in_array( $ext , $exts )) {
     $save_name = $info ->getSaveName();
     $save_path = "/" . $file_path . $save_name ;
     if ( $add_domain ) {
      $save_path = "http://www.localhost.com/" . $file_path . $save_name ;
     }
     $res = [ 'errno' => 0, 'data' => $save_path ];
    } else {
     $res = [ 'errno' => 1, 'errmsg' => $ext ];
    }
   } else {
    $res = [ 'errno' => 1, 'errmsg' => '请选择图片!' ];
   }
  
   return $res ;
  }
}
?>

使用 。

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<?php
 
namespace app\backend\controller;
 
use think\Controller;
use think\Request;
use uploader\Uploads;
 
class Upload extends Controller
{
  public function upload(Request $request ) {
   $files = $request ->file( "file" );
   $updir = $request ->post( 'updir' );
   $res = Uploads::upfile( $files , $updir );
   return json_encode( $res );
  }
 
  public function del_upload(Request $request ) {
   $res = [ 'errno' => 1, 'errmsg' => '删除失败' ];
   $filename = $request ->post( 'filename' );
   if (! empty ( $filename )) {
    @unlink( $_SERVER [ 'DOCUMENT_ROOT' ] . $filename );
    $res = [ 'errno' => 0, 'errmsg' => $filename ];
   }
   return json_encode( $res );
  }
 
}
 
?>

前端js 。

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var image_files = new Array(); // 多图片上传临时保存
$(document).ready( function () {
  $( '.media-picker' ).each( function () {
   var el = $( this );
   var elbtn = el.find( '.media-picker-button' );
   var multi_selection = false ;
   var inputField = el.find( 'input[type=hidden]' );
   // 是否多文件上传
   if (elbtn.attr( 'data-multiple' ) == 'multiple' ) {
    multi_selection = true ;
   }
   // 上传目录
   var upload_path = inputField.attr( 'upload-path' );
   var uploader = new plupload.Uploader({
    runtimes : 'html5,flash,silverlight,html4' ,
    browse_button : elbtn.attr( 'data-id' ) + '_uploader' ,
    multi_selection: multi_selection,
    auto_start: true ,
    flash_swf_url : '../plugins/plupload/js/Moxie.swf' ,
    silverlight_xap_url : '../plugins/plupload/js/Moxie.xap' ,
    url : '/backend/upload' ,
   
    filters: {
     mime_types : [ //只允许上传图片和zip,rar文件
     { title : "Image files" , extensions : "jpg,jpeg,gif,png,bmp" },
     { title : "Video files" , extensions : "mp4,3gp" }
     ],
     max_file_size : '10mb' , //最大只能上传10mb的文件
     prevent_duplicates : false //不允许选取重复文件
    },
 
    init: {
     PostInit: function () {},
 
     BeforeUpload: function (up, file) {
      up.setOption( 'multipart_params' , { 'updir' : upload_path})
     },
 
     FilesAdded: function (up) {
      up.start(); //选择完后直接上传
     },
 
     FileUploaded: function (up, file, info) {
      if (info.status == 200)
      {
       var file_type = file.type;
       var is_image = file_type.indexOf( 'image' );
       var is_video = file_type.indexOf( 'video' );
       // 解析返回的数据
       var result = JSON.parse(info.response);
       var img_list = "" ;
       if (result.errno == 0) {
        // 返回的图片上传结果
        var file_name = result.data;
        if (multi_selection) {
         // 多图片上传不考虑视频
         if (is_image > -1) {
          // 存入临时数组
          image_files.push(file_name);
          inputField.val(JSON.stringify(image_files));
          for ( var i = 0; i < image_files.length; i++) {
           img_list += "<li><img src='" +image_files[i]+ "' /><span class='delete-image'>✖</span><p>" +image_files[i]+ "</p></li>" ;
          }
         }
        } else {
         inputField.val(file_name);
         if (is_image > -1) {
          img_list = "<li><img src='" +result.data+ "' /><span class='delete-image'>✖</span><p>" +result.data+ "</p></li>" ;
         }
         if (is_video > -1) {
          img_list = "<li><video controls src='" +result.data+ "'></video><span class='delete-image'>✖</span><p>" +result.data+ "<p></li>" ;
         }
        }
        el.find( '.image-list' ).html(img_list);
       } else {
        alert(result.errmsg);
       }
      }
      else
      {
       alter(info.response);
      }
     },
 
     Error: function (up, err) {
      alert(err.response);
     }
    }
   })
   uploader.init();
 
 
   // 删除
   if (multi_selection) {
    el.on( 'click' , '.delete-image' , function () {
     var file_name = inputField.val();
     var elDel = $( this );
     // 得到filename
     var current_file_name = elDel.next( 'p' ).html();
     // 删除当前的父级li
     elDel.parent().remove();
     // 重新赋值数组
     var new_image_files = new Array();
     if (image_files != '' ) {
      new_image_files = image_files;
     } else {
      new_image_files = $.parseJSON(file_name);
     }
     // 去掉数组中的当前值
     for ( var i in new_image_files) {
      if (new_image_files[i] == current_file_name) {
       new_image_files.splice(i,1);
       break ;
      }
     }
     $.ajax({
       type: "POST" ,
       url: "/backend/del_upload" ,
       data: "filename=" + current_file_name,
       success: function (msg) {
         console.log(msg)
       }
     });
     inputField.val(JSON.stringify(new_image_files));
    });
   } else {
    el.on( 'click' , '.delete-image' , function (){
     // 显示值为空
     var file_name = inputField.val();
     el.find( '.image-list' ).html( '' );
     inputField.val( '' );
     $.ajax({
      type: "POST" ,
      url: "/backend/del_upload" ,
      data: "filename=" + file_name,
      success: function (msg) {
        console.log(msg)
      }
     });
    });
   }
  })
})

希望本文所述对大家基于ThinkPHP框架的PHP程序设计有所帮助.

原文链接:https://blog.csdn.net/tang05709/article/details/85261152 。

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