http文件上传form(可添加定制上传文件数量)

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response.getwriter().println(

 "<form action=/"#/" method=/"post/" enctype=/"multipart/form-data/" onsubmit=/"javascript:dosubmit()/">"
+ "<input type=/"button/" value=/"&nbsp;+&nbsp;/" onclick=/"javascript:{var e=document.getElementById('uploadfiles');if(!!e&&e.childNodes.length<10){var e1=document.createElement('input');e1.setAttribute('type','file');e1.setAttribute('name','f'+e.childNodes.length);e.appendChild(e1);}};/">"
+ "<input type=/"button/" value=/"&nbsp;-&nbsp;/" onclick=/"javascript:{var e=document.getElementById('uploadfiles');if(!!e){if(e.childNodes.length>1){e.removeChild(e.childNodes[e.childNodes.length-1]);}}}/">"
+ "<input type=/"hidden/" name=/"filepath/" value=/""
+ path
+ "/"><br>"
+ "<div id=/"uploadfiles/"><input type=/"file/" name=/"f0/"></div>"
+ "<input type=/"submit/" value=/""
+ UPLOADSUBMIT
+ "/">"
+ "</form>");

//path为上传路径

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