HTML相关知识和经验的碎片化记录 - yuzhihui

1、标签input在type="file"时，name是必须属性

<span style="color: #008080;">1</span>  <span style="color: #0000ff;"><span style="color: #800000;">form </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="</span><span style="color: #ff0000;">MainFileUpload" name</span><span style="color: #0000ff;">="</span><span style="color: #ff0000;">MainFileUpload" enctype</span><span style="color: #0000ff;">="</span><span style="color: #ff0000;">multipart/form-data"</span><span style="color: #0000ff;">></span>                                                
<span style="color: #008080;">2</span> 　　<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="</span><span style="color: #ff0000;">cls_MainFileUpload"</span><span style="color: #0000ff;">></span>                                                       
<span style="color: #008080;">3</span> 　　　　<span style="color: #0000ff;"><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="</span><span style="color: #ff0000;">cls_MainFileUpload2"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">4</span>  　　　　<span style="color: #0000ff;"><span style="color: #800000;">img </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="</span><span style="color: #ff0000;">MainFileUploadBtnImg" class</span><span style="color: #0000ff;">="</span><span style="color: #ff0000;">cls_MainFileUploadBtnImg" alt</span><span style="color: #0000ff;">=""</span><span style="color: #ff0000;"> src</span><span style="color: #0000ff;">=""</span> <span style="color: #0000ff;">/></span>                                                                                                 　　　　<span style="color: #0000ff;"><span style="color: #800000;">input </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="</span><span style="color: #ff0000;">cls_FileUpload" type</span><span style="color: #0000ff;">="</span><span style="color: #ff0000;">file"" id</span><span style="color: #0000ff;">="</span><span style="color: #ff0000;">{0}_FileUpload" name</span><span style="color: #0000ff;">="FileUpload"</span><span style="color: #0000ff;">/></span>                                                   
<span style="color: #008080;">5</span>   　　　<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>                                                
<span style="color: #008080;">6</span>  　<span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">7</span>  <span style="color: #0000ff;"></span><span style="color: #800000;">form</span><span style="color: #0000ff;">></span></span></span></span></span></span>

<span style="font-size: 14px;">标签input在type="file"时，name是必须属性，如果没有name属性，那么在表单提交时，文件不能被提交（即上传）</span><br><span style="font-size: 14px;">......</span>