核心提示:ajax异步提交表单上传图片的一个小案例(代码分析)%@ page language=java import=java.util.* pageEncoding=ISO-8859-1%%String p...
ajax异步提交表单上传图片的一个小案例(代码分析)
<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%> <% 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%>"> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> <script type="text/javascript" src="js/jquery-3.2.1.js"></script> <script src="https://malsup.github.io/jquery.form.js"></script> <script type="text/javascript"> function uploadPic() { // 上传设置 var options = { // 规定把请求发送到那个URL url:'manage/file/upload.do', // 请求方式 type: "post", // 服务器响应的数据类型 dataType: "json", // 请求成功时执行的回调函数 success: function() { // 图片显示地址 /* $("#allUrl").attr("src", data.path); */ alert("asdsa") } }; $("#addProductForm").ajaxSubmit(options); } </script> </head> <body> This is my JSP page. <br> <form id="addProductForm" method="post" enctype="multipart/form-data"> <input name="file" type="file" onchange="uploadPic()"/> <button id="tijiao" >upload</button> </form> </body> </html>