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Yii CUploadedFile带验证的多文件上传

2018-07-13 08:46:45来源：编程学习网阅读 ()

<div id="upForms">  

<form id="fileitemdiv1" action="<?php echo $this->createUrl('repairUpload'); ?>" method="post" enctype="multipart/form-data" target="upload_target">  

    <input type="file" name="repair_attached_file1" />  

     <input type="submit" name="submitBtn" value='立即上传' />  

    <span id="upload_repairinfo_success1" style="color:red;"></span>  

    <input type="hidden" name="selectedIndex" value="1" />  

    <!-- 记录上传成功后的id -->  

    <input type="hidden" name="upload_save_to_db_id" id="upload_save_to_db_id1" value="0" />  

</form>  

<iframe id="upload_target" name="upload_target" src="#" style="width:0;height:0;border:0px solid #fff;"></iframe>  

</div>  

<div>  

    <input type="button" value="增加附件" onclick="addfile();">  

    <input type="hidden" id="up_success_file_ids" />  

</div>

[html]

var filecount=1;  

// 新增一个上传文件控件  

function addfile(){  

    var filediv = document.getElementById("upForms");  

    var fileitemdiv = document.createElement("form");  

    filecount++;  

    var content = "<input type=file name=repair_attached_file"+  

    filecount + ">  <input type=submit name=submitBtn value='立即上传' />  <a href='javascript:removefile("+  

    filecount + ");'>删除</a>  <span id=upload_repairinfo_success"+  

    filecount + " style='color:red;'></span><input type=hidden value="+  

    filecount + " name=selectedIndex /> <input type=hidden name=upload_save_to_db_id id=upload_save_to_db_id"+  

    filecount + " value=0 />";  

    fileitemdiv.id       = "fileitemdiv"+filecount;  

    fileitemdiv.method   = "post";  

    fileitemdiv.enctype  = "multipart/form-data";  

    fileitemdiv.target   = "upload_target";  

    fileitemdiv.action   = "<?php echo $this->createUrl('repairUpload'); ?>";  

    fileitemdiv.innerHTML = content;  

    filediv.appendChild(fileitemdiv);  

}  

//删除指定上传文件控件  

function removefile(fileIndex){  

    var filediv = document.getElementById("upForms");  

    var fileitemdiv = document.getElementById("fileitemdiv"+fileIndex);  

    filediv.removeChild(fileitemdiv);  

}  

//回调成功  

function successUpload(responseText,id,fileIndex){  

    // 1,获取值  

    var ids = document.getElementById("up_success_file_ids").value;  

    if(ids){  

        document.getElementById("up_success_file_ids").value = ids+','+id;  

    }else{  

        document.getElementById("up_success_file_ids").value = id;  

    }  

    // 2,本次上传成功，则覆盖之前上传成功的文件  

    document.getElementById("upload_save_to_db_id"+fileIndex).value = id;  

    // 3,提示上传成功  

    var spanObj = document.getElementById("upload_repairinfo_success"+fileIndex);  

    //spanObj.innerHTML = "上传成功";  

    spanObj.innerHTML = responseText;  

}  

//回调失败  

function stopUpload(responseText,fileIndex){  

    // 提示  

    var spanObj = document.getElementById("upload_repairinfo_success"+fileIndex);  

    spanObj.innerHTML = responseText;  

}

控制器

[html]

public function actionRepairUpload(){  

        $index  = $this->request->getParam("selectedIndex");  

        $pre_id = $this->request->getParam("upload_save_to_db_id");  

        $inputFileName = "repair_attached_file".$index;  

        $attach = CUploadedFile::getInstanceByName($inputFileName);  

        $retValue = "";  

        if($attach == null){  

            $retValue = "提示：不能上传空文件。";  

         }else if($attach->size > 2000000){  

            $retValue = "提示：文件大小不能超过2M。";  

        }else {  

            $retValue = '恭喜，上传成功！';  

            if($pre_id == 0){  

                $f = file_get_contents($attach->tempName);  

                $a = new Attachment();  

                $a->ref_type = "failParts";  

                $a->data = $f;  

                $a->file_path = $attach->name;  

                $a->save();  

                $cur_id = $a->id;  

            }else{  

                $trans = Yii::app()->db->beginTransaction();  

                try{  

                    $f = file_get_contents($attach->tempName);  

                    $a = new Attachment();  

                    $a->ref_type = "failParts";  

                    $a->data = $f;  

                    $a->file_path = $attach->name;  

                    $a->save();  

                    $cur_id = $a->id;  

                    $pre = Attachment::model()->findByPk($pre_id);  

                    $pre->delete();  

                    $trans->commit();  

                }catch(Exception $e){  

                    $retValue = $e->getMessage();  

                    $cur_id = 0;  

                    $trans->rollback();  

                }  

            }  

            echo "<script type='text/javascript'>window.top.window.successUpload('{$retValue}',$cur_id,$index)</script>";exit();  

        }  

        echo "<script type='text/javascript'>window.top.window.stopUpload('{$retValue}',$index)</script>";  

    }