<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>文件上传</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<script type="text/javascript" src="script/jquery.min.js"></script>
<script type="text/javascript">
$(function(){
var i=2;
//1.获取#addFile,添加click事件
$("#addFile").click(function(){
//2.生成节点放到#br的前面
/*
节点如下设置：
<tr><td>file2:</td><td><input type="file" name="file2"/></td></tr>
<tr><td>desc2:</td><td><input type="text" name="desc2"/></td></tr>
*/
var innerHtml = "<tr><td>file"+i+":</td><td><input type=‘file‘ name=‘file"+i+"‘/></td></tr>"+
"<tr><td>desc"+i+":</td><td><input type=‘text‘ name=‘desc"+i+"‘/><button type=‘button‘>删除</button></td></tr>";
$("#end").before(innerHtml).prev("tr").find("button").click(function(){
alert(123);
$(this).parents("tr").prev("tr").remove();
$(this).parents("tr").remove();
i--;
});
i++;
});
});
</script>
</head>
<body>
<font color="red">${message }</font>
<br/><br/>
<form action="uploadServlet" method="post" enctype="multipart/form-data">
<table>
<tr>
<td>file1:</td>
<td><input type="file" name="file1"/></td>
</tr>
<tr>
<td>desc1:</td>
<td><input type="text" name="desc1"></td>
</tr>
<tr id="end">
<td><input type="submit" value="submit"/></td>
<td><button id="addFile" type="button">新增一个附件</button></td>
</tr>
</table>
</form>
</body>
</html>
form表单中<button>未设置type=“button”时，点击该button,表单自动提交到uploadServlet,为<button>添加type属性后该bug不再出现
时间： 2024-08-08 05:19:45