ThinkPHP文件上传 - Thinkphp

ThinkPHP文件上传

FileAction.class.php

<?php  class  FileAction  extends  Action{       function  index(){           $file =M( 'file' );           $list = $file ->select();           $this ->assign( 'filelist' , $list );           $this ->display();         }                function  upload(){           //文件上传地址提交给他，并且上传完成之后返回一个信息，让其写入数据库               if ( empty empty ( $_FILES )){               $this ->error( '必须选择上传文件' );             } else {               $a = $this ->up();               if (isset( $a )){                   //写入数据库的自定义c方法                    if ( $this ->c( $a )){                       $this ->success( '上传成功' );                     }                   else {                       $this ->error( '写入数据库失败' );                     }              } else {                   $this -error( '上传文件异常，请与系统管理员联系' );                 }          }      }            private   function  c( $data ){           $file =M( 'file' );           $num     =     '0' ;           for ( $i  = 0;  $i  <  count ( $data )-1;  $i ++) {               $data [ 'filename' ]= $data [ $i ][ 'savename' ];                         if (  $file ->data( $data )->add())             {                  $num ++;             }          }           if ( $num == count ( $data )-1)          {               return  true;             } else           {               return  false;          }               }            private   function  up(){           //完成与thinkphp相关的，文件上传类的调用              import( '@.Org.UploadFile' ); //将上传类UploadFile.class.php拷到Lib/Org文件夹下            $upload = new  UploadFile();           $upload ->maxSize= '1000000' ; //默认为-1，不限制上传大小            $upload ->savePath= './Public/Upload/' ; //保存路径建议与主文件平级目录或者平级目录的子目录来保存               $upload ->saveRule=uniqid; //上传文件的文件名保存规则            $upload ->uploadReplace=true; //如果存在同名文件是否进行覆盖            $upload ->allowExts= array ( 'jpg' , 'jpeg' , 'png' , 'gif' ); //准许上传的文件类型            $upload ->allowTypes= array ( 'image/png' , 'image/jpg' , 'image/jpeg' , 'image/gif' ); //检测mime类型            $upload ->thumb=true; //是否开启图片文件缩略图            $upload ->thumbMaxWidth= '300,500' ;           $upload ->thumbMaxHeight= '200,400' ;           $upload ->thumbPrefix= 's_,m_' ; //缩略图文件前缀            $upload ->thumbRemoveOrigin=1; //如果生成缩略图，是否删除原图                     if ( $upload ->upload()){               $info = $upload ->getUploadFileInfo();               return   $info ;          } else {               $this ->error( $upload ->getErrorMsg()); //专门用来获取上传的错误信息的              }         }       }  ?> 

模板文件index.html

< html >     < body >     < volist   name = "filelist"   id = "vo" >     小图： < img   src = "__PUBLIC__/upload/s_{$vo['filename']}"   /> < br   />     大图： < img   src = "__PUBLIC__/upload/m_{$vo['filename']}"   /> < br   />   </ volist >     < form   action = "__URL__/upload"   method = "post"   enctype = "multipart/form-data" >        < input   type = "file"   name = "file[]"   /> < br   />        < input   type = "file"   name = "file[]"   /> < br   />        < input   type = "file"   name = "file[]"   /> < br   />        < input   type = "submit"   value = "上传"   />   </ form >     </ body >   </ html >  

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