使用 jquery 的 上传文件插件 uploadify 3.1 配合 java 来做一个简单的文件上次功能。并且在界面上有radio 的选择内容也要上传
uploadify 插件的 下载和文档地址 点击打开链接
1. jsp的内容
[html]view plaincopyprint? <%@ 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" "/TR/html4/loose.dtd"> <html> <head> <basehref="<%=basePath%>"> <metahttp-equiv="Content-Type"content="text/html; charset=UTF-8"> <title>兑换卷查询系统</title> <linktype="text/css"href="css/ui-lightness/jquery-ui-1.8.21.custom.css"rel="stylesheet"/> <linkhref="css/uploadify.css"rel="stylesheet"type="text/css"/> <scripttype="text/javascript"src="js/jquery-1.7.2.min.js"></script> <scripttype="text/javascript"src="js/jquery.uploadify-3.1.min.js"></script> </head> <style> </style> <body> <form> <divid="fileQueue"></div> <h4>提货券类型</h4> <inputtype="radio"id="typeCode"name="typeCode"value="108"checked="">108</input> <inputtype="radio"id="typeCode"name="typeCode"value="138">138</input> </p> <inputtype="file"name="file_upload"id="file_upload"/> <p> <ahref="javascript:$('#file_upload').uploadify('upload','*')">开始上传</a> <script> $(function() { var typeCode =""; $("#file_upload").uploadify({ 'buttonText' : '选择文件', 'multi' : false, 'swf' : 'html/uploadify.swf', 'uploader' : '../servlet/Upload', 'auto' : false, 'onUploadStart' : function(file) { //校验 $(":input[name='typeCode']").each(function(){ if ( $(this).attr("checked")) { typeCode = ($(this).val()); } }); $("#file_upload").uploadify("settings", "formData", {'typeCode':typeCode}); } }); }); </script> </p> <!-- <a href="javascript:jQuery('#uploadify').uploadifyClearQueue()">取消所有上传</a> --> </p> </form> </body> </html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "/TR/html4/loose.dtd"><html><head><base href="<%=basePath%>"> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>兑换卷查询系统</title><link type="text/css" href="css/ui-lightness/jquery-ui-1.8.21.custom.css" rel="stylesheet" /><link href="css/uploadify.css" rel="stylesheet" type="text/css" /><script type="text/javascript" src="js/jquery-1.7.2.min.js"></script><script type="text/javascript" src="js/jquery.uploadify-3.1.min.js"></script></head><style></style><body><form><div id="fileQueue"></div><h4>提货券类型</h4><input type="radio" id="typeCode" name="typeCode" value="108" checked="">108</input><input type="radio" id="typeCode" name="typeCode" value="138">138</input></p><input type="file" name="file_upload" id="file_upload" /><p><a href="javascript:$('#file_upload').uploadify('upload','*')">开始上传</a><script>$(function() {var typeCode =""; $("#file_upload").uploadify({'buttonText' :'选择文件','multi' : false,'swf': 'html/uploadify.swf','uploader' : '../servlet/Upload','auto' : false,'onUploadStart' : function(file) {//校验 $(":input[name='typeCode']").each(function(){if ( $(this).attr("checked")){typeCode = ($(this).val());}});$("#file_upload").uploadify("settings", "formData", {'typeCode':typeCode});}});});</script></p><!-- <a href="javascript:jQuery('#uploadify').uploadifyClearQueue()">取消所有上传</a> --></p></form> </body></html>
2.java服务器端的程序
[java]view plaincopyprint? package com.alcor.inquire.servlet; import java.io.File; import java.io.IOException; import java.util.Iterator; import java.util.List; import java.util.UUID; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.log4j.Logger; import org.apache.tomcat.util.http.fileupload.FileItem; import org.apache.tomcat.util.http.fileupload.FileUploadException; import org.apache.tomcat.util.http.fileupload.disk.DiskFileItemFactory; import org.apache.tomcat.util.http.fileupload.servlet.ServletFileUpload; publicclass ImportData extends HttpServlet { /** * */ privatestaticfinallong serialVersionUID = 3387249060639006401L; privatestaticfinal Logger logger = Logger.getLogger(ImportData.class); publicvoid doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { logger.debug("doGet(HttpServletRequest request, HttpServletResponse response)"); String typeCode =""; //兑换卷类型 String savePath = this.getServletConfig().getServletContext().getRealPath(""); savePath = savePath + "/uploads/"; File f1 = new File(savePath); System.out.println(savePath); if (!f1.exists()) { f1.mkdirs(); } DiskFileItemFactory fac = new DiskFileItemFactory(); ServletFileUpload upload = new ServletFileUpload(fac); upload.setHeaderEncoding("utf-8"); List<FileItem> fileList = null; try { fileList = upload.parseRequest(request); } catch (FileUploadException ex) { return; } Iterator<FileItem> it = fileList.iterator(); String name = ""; String extName = ""; while (it.hasNext()) { FileItem item = it.next(); logger.debug(item.getContentType()); if (!item.isFormField()) { name = item.getName(); long size = item.getSize(); String type = item.getContentType(); logger.debug("文件名："+name+",大小："+size + ",类型：" + type); if (name == null || name.trim().equals("")) { continue; } //扩展名格式： if (name.lastIndexOf(".") >= 0) { extName = name.substring(name.lastIndexOf(".")); } File file = null; do { //生成文件名： name = UUID.randomUUID().toString(); file = new File(savePath + name + extName); } while (file.exists()); File saveFile = new File(savePath + name + extName); try { item.write(saveFile); } catch (Exception e) { e.printStackTrace(); } }else { //获得简单域的名字 String fieldName = item.getFieldName(); if (fieldName.equalsIgnoreCase("typeCode")) { //获得简单域的值 String fieldValue = item.getString("UTF-8"); typeCode = fieldValue; logger.debug("兑换卷类型是："+typeCode); } } } response.getWriter().print(name + extName); } // Process the HTTP Post request publicvoid doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } }
package com.alcor.inquire.servlet;import java.io.File;import java.io.IOException;import java.util.Iterator;import java.util.List;import java.util.UUID;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.log4j.Logger;import org.apache.tomcat.util.http.fileupload.FileItem;import org.apache.tomcat.util.http.fileupload.FileUploadException;import org.apache.tomcat.util.http.fileupload.disk.DiskFileItemFactory;import org.apache.tomcat.util.http.fileupload.servlet.ServletFileUpload;public class ImportData extends HttpServlet {/*** */private static final long serialVersionUID = 3387249060639006401L;private static final Logger logger = Logger.getLogger(ImportData.class);public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {logger.debug("doGet(HttpServletRequest request, HttpServletResponse response)");String typeCode =""; //兑换卷类型String savePath = this.getServletConfig().getServletContext().getRealPath("");savePath = savePath + "/uploads/";File f1 = new File(savePath);System.out.println(savePath);if (!f1.exists()) {f1.mkdirs();}DiskFileItemFactory fac = new DiskFileItemFactory();ServletFileUpload upload = new ServletFileUpload(fac);upload.setHeaderEncoding("utf-8");List<FileItem> fileList = null;try {fileList = upload.parseRequest(request);} catch (FileUploadException ex) {return;}Iterator<FileItem> it = fileList.iterator();String name = "";String extName = "";while (it.hasNext()) {FileItem item = it.next();logger.debug(item.getContentType());if (!item.isFormField()) {name = item.getName();long size = item.getSize();String type = item.getContentType();logger.debug("文件名："+name+",大小："+size + ",类型：" + type);if (name == null || name.trim().equals("")) {continue;}//扩展名格式： if (name.lastIndexOf(".") >= 0) {extName = name.substring(name.lastIndexOf("."));}File file = null;do {//生成文件名：name = UUID.randomUUID().toString();file = new File(savePath + name + extName);} while (file.exists());File saveFile = new File(savePath + name + extName);try {item.write(saveFile);} catch (Exception e) {e.printStackTrace();}}else{//获得简单域的名字 String fieldName = item.getFieldName(); if (fieldName.equalsIgnoreCase("typeCode")){//获得简单域的值 String fieldValue = item.getString("UTF-8"); typeCode = fieldValue;logger.debug("兑换卷类型是："+typeCode);}}}response.getWriter().print(name + extName);}// Process the HTTP Post requestpublic void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {doGet(request, response);}}
3.jsp代码中 如下代码是关键，否则服务端无法获取radio的值
[html]view plaincopyprint? $("#file_upload").uploadify("settings", "formData", {'typeCode':typeCode});
使用 jquery 的 上传文件插件 uploadify 3.1 配合 java 来做一个简单的文件上次功能。并且在界面上有radio 的选择内容也要上传...
