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本文實例講述了layui框架實現文件上傳及TP3.2.3對上傳文件進行后臺處理操作。分享給大家供大家參考，具體如下：

layui框架是1.0.9版本。。

首先html頁面代碼如下：

<div class="layui-form-item" id="upload_file">
     <div class="layui-input-block" style="width: 300px;">
      <input type="hidden" id="img_url1" name="HeadImageUrl" value=""/>
      <div class="layui-upload-drag" id="uploadpic1" lay-verify="uploadpic1">
        <div class="layui-col-xs12 layui-col-md12">
          <img class="layui-upload-img" id="demo1" >
        </div>
        <div class="button-hide">
          <input type="file" name="banner_file_upload" id="banner_file_upload" class="layui-uplaod-file"  lay-type="file">
        </div>
      </div>
    </div>
</div>

js代碼如下：

<script type="text/javascript" th:inline="javascript">
     layui.use('upload', function (){
       var upload = layui.upload;
       var url="__PUBLIC__";
       upload({
         elem: '#banner_file_upload',
         url: "/index.php/Admin/Product/upload",
         method: 'post',
         before: function(obj){
           console.log('文件上傳中');
           layer.load();
         },
         success: function (msg) {
           console.log(msg);
           if(msg.msg=="success"){
             layer.closeAll('loading');
             layer.msg("上傳成功");
             $("#img_url1").attr("value", msg.src);
           }else if(msg.msg=="error"){
             layer.closeAll('loading');
             layer.msg(msg.code);
           }
         },
         error:function (data) {
           layer.msg("上傳失敗");
           console.log(data);
         }
       });
     });
</script>

接下來的php后臺接值的方法：

#上傳文件方法
public function upload(){
    $res=array(
     'code'=>1,
     'msg'=>'no sorry',
      'data'=>array(
        'src'=>'',
      )
    );
    #圖片存放路徑
    $directory = C('UPLOAD_PATH')."/Public/docment/";
    #判斷目錄是否存在 不存在則創建
    if(!(is_dir($directory))){
      $this->directory($directory);
    }
    #獲取數據庫最后一條id 當做文件名稱
    $product_last_id=D('ApiProduct')->getLastId();
    $savename="ApiProduct_".time().'_'.($product_last_id['id']+1);
    $upload = new \Think\Upload();
    $upload->maxSize = 0;
    $upload->exts = array('doc','docx','xls','xlsx','pdf','txt');
    $upload->rootPath = $directory;
    $upload->saveName="$savename";
    $upload->savePath = '';
    $info = $upload->uploadOne($_FILES['banner_file_upload']);
    if(!$info){
      $res['code']=$upload->getError();
      $res['msg']='error';
    }else{
      $res['code']=0;
      $res['msg']='success';
      $res['src']="/Public/docment/".$savename.".".$info['ext'];
    }
   echo json_encode($res);die;
}
/**
* 遞歸創建文件
* @author erwa<erwa@qingjinju.net>
*/
public function directory($dir){
    return is_dir ( $dir ) or directory(dirname( $dir )) and mkdir ( $dir , 0777);
}

希望本文所述對大家基于ThinkPHP框架的PHP程序設計有所幫助。