前台代码
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <%@ include file="/commons/taglib.jsp" %> <%@ include file="/commons/common.jsp" %> <html> <head> <base href="<%=basePath%>"> <title>My JSP 'excelImp.jsp' starting page</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> <script type="text/javascript" src="${basePath}/js/sg/jquery-1.9.1.js"></script> </head> <body> <form id="file_form" action="${basePath }/excel/upload" enctype="multipart/form-data" method="post" onsubmit="return validate()"> <input type="file" name="file" id="file_input" /> <input type="submit" value="文件上传" id='upFile-btn'> </form> </body> <script type="text/javascript"> function validate(){ var fileName = $("#file_input").val(); if (fileName === "") { alert("请选择文件"); return false; } var fileType = (fileName.substring(fileName .lastIndexOf(".") + 1, fileName.length)) .toLowerCase(); if (fileType !== "xls" && fileType !== "xlsx") { alert("文件格式不正确，请选择excel文件！"); return false; } $("#file_form").ajaxSubmit({ dataType : "json", success : function(data, textStatus) { if (data.result === "OK") { alert("上传文件成功"); } else { alert("文件格式错误"); } return false; } }); return true; } </script> </html>
后台文件接收：
public void upload(){ try { // HttpServletRequest request = getRequest(); // String basePath = request.getContextPath(); String ftype = getPara("ftype"); System.out.println("数据类型："+ftype); //存储路径 String path = getSession().getServletContext().getRealPath(Preference._PATH); UploadFile file = getFile("file"); String fileName = ""; if(file.getFile().length() > 200*1024*1024) { System.out.println("文件长度超过限制，必须小于200M"); setAttr("result", "文件长度超过限制，必须小于200M"); }else{ //上传文件 // String type = file.getFileName().substring(file.getFileName().lastIndexOf(".")); // 获取文件的后缀 // fileName = System.currentTimeMillis() + type; // 对文件重命名取得的文件名+后缀 // String dest = path + "/" + fileName; //新的文件路径+文件名 // System.out.println("新的文件路径+文件名:"+dest); // file.getFile().renameTo(new File(dest)); // //读取文件内容 // File filen = new File(dest); List<String[]> list = POIUtil.readExcel(file.getFile()); for (int i = 0; i < list.size(); i++) { String[] str = list.get(i); Db.use("db1").update("insert into ics_tasks (query, taskid, tname, ttype, btype) " + "values ('"+str[0]+"','"+JavaUtil.getCRC32(str[0])+System.currentTimeMillis()+"','"+str[1]+"','"+str[2]+"','"+str[3]+"')"); } // String realFile = basePath + "/" + Preference._PATH + fileName; // String fname="/"+fileName; // setAttr("fname", fname); // setAttr("url", realFile); setAttr("result", "OK"); } } catch (Exception e) { e.printStackTrace(); setAttr("result", e.getMessage()); } renderJson(); }
参考：http://blog.csdn.net/the_first_c/article/details/72868119