{"id":151,"date":"2017-05-17T09:26:00","date_gmt":"2017-05-17T01:26:00","guid":{"rendered":"https:\/\/cn1.club\/?p=151"},"modified":"2025-03-13T20:19:35","modified_gmt":"2025-03-13T12:19:35","slug":"%e5%9c%a8jsp%e9%a1%b5%e9%9d%a2%e5%ae%9e%e7%8e%b0%e6%96%87%e4%bb%b6%e7%9a%84%e4%b8%8a%e4%bc%a0%e4%b8%8e%e4%b8%8b%e8%bd%bd","status":"publish","type":"post","link":"http:\/\/cn1.club\/?p=151","title":{"rendered":"\u5728JSP\u9875\u9762\u5b9e\u73b0\u6587\u4ef6\u7684\u4e0a\u4f20\u4e0e\u4e0b\u8f7d"},"content":{"rendered":"\n

\u51c6\u5907\u5de5\u4f5c,\u5f15\u5165jar\u5305:<\/p>\n\n\n\n

commons-fileupload-1.2.1.jar<\/p>\n\n\n\n

commons-io-1.4<\/p>\n\n\n\n

<\/p>\n\n\n\n

java\u9875:<\/strong><\/p>\n\n\n\n

package com.baidu.com;\n\nimport java.io.FileOutputStream;\nimport java.io.IOException;\nimport java.io.InputStream;\nimport java.io.OutputStream;\nimport java.util.List;\n\nimport javax.servlet.ServletException;\nimport javax.servlet.http.HttpServlet;\nimport javax.servlet.http.HttpServletRequest;\nimport javax.servlet.http.HttpServletResponse;\n\nimport org.apache.commons.fileupload.FileItem;\nimport org.apache.commons.fileupload.FileUploadException;\nimport org.apache.commons.fileupload.disk.DiskFileItemFactory;\nimport org.apache.commons.fileupload.servlet.ServletFileUpload;\n\nimport com.sun.xml.internal.bind.v2.runtime.Name;\npublic class Test4 extends HttpServlet {\n\tprotected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {\n\t\ttry {\n\t\t\/\/\u5148\u5efa\u7acb\u78c1\u76d8\u6587\u4ef6\u9879\u5de5\u5382\n\t\tDiskFileItemFactory diskFileItemFactory =new DiskFileItemFactory();\n\t\t\/\/\u521b\u5efa\u4e00\u4e2a\u6838\u5fc3\u89e3\u6790\u7c7b\n\t\tServletFileUpload fileupload = new ServletFileUpload(diskFileItemFactory);\n\t\t\/\/\u5229\u7528\u6838\u5fc3\u89e3\u6790\u7c7b\u89e3\u6790Request\n\t\t\n\t\t\tList<FileItem> list = fileupload.parseRequest(request);\n\t\t\t\/\/\u904d\u5386\u8fd9\u4e2aList\u96c6\u5408,\u5f97\u5230\u4ee3\u8868\u6bcf\u4e2a\u90e8\u5206\u7684\u6587\u4ef6\u9879\u5bf9\u8c61,\u6839\u636e\u5224\u65ad\u662f\u5426\u662f\u6587\u4ef6\n\t\t\tfor (FileItem fileItem : list) {\n\t\t\t\t\/\/\u5224\u65ad\u8fd9\u4e2a\u95ee\u6d25\u662f\u666e\u901a\u7bb1\u8fd8\u662f\u6587\u4ef6\u4e0a\u4f20\u9879\n\t\t\t\tif (fileItem.isFormField()) {\n\t\t\t\t\t\/\/\u666e\u901a\u7bb1\n\t\t\t\t\t\/\/\u63a5\u53d7\u666e\u901a\u9879\u76ee\u7684\u503c\n\t\t\t\t\t\/\/\u5982\u679c\u662f\u666e\u901a\u7bb1\u90a3\u5c31\u53d6\u666e\u901a\u9879\u7684\u540d\u79f0\u548c\u503c(\u63a5\u53d7\u503c\u4e0d\u80fd\u518d\u4f7f\u7528request.getparameter())\n\t\t\t\t\tString name = fileItem.getFieldName();\n\t\t\t\t\t\/\/\u62ff\u666e\u901a\u7c7b\u578b\u7684\u503c\n\t\t\t\t\tString value = fileItem.getString("UTF-8");\n\t\t\t\t\tSystem.out.println("\u8f93\u51fa\u6253\u5370 :"+ name +"       "+value);\n\t\t\t\t\t\/\/\n\t\t\t\t}else {\n\t\t\t\t\t\/\/\u6587\u4ef6\u4e0a\u4f20\u9879\n\t\t\t\t\t\/\/\u83b7\u5f97\u6587\u4ef6\u4e0a\u4f20\u7684\u6587\u4ef6\u540d\u79f0\n\t\t\t\t\tString filename = fileItem.getName();\n\t\t\t\t\t\/\/\u83b7\u5f97\u6587\u4ef6\u4e0a\u4f20\u7684\u6587\u4ef6\u6570\u636e\n\t\t\t\t\tInputStream is = fileItem.getInputStream();\n\t\t\t\t\t\/\/\u83b7\u5f97\u6587\u4ef6\u4e0a\u4f20\u7684\u6587\u4ef6\u7684\u8def\u5f84 ,\u6c60\u7554\u7684\u7edd\u5bf9\u8def\u5f84\n\t\t\t\t\tString realpath = getServletContext().getRealPath(".\/a");\n\t\t\t\t\t\/\/\u521b\u5efa\u4e00\u4e2a\u8f93\u51fa\u6d41\u5199\u5165\u5230\u521a\u624d(\u4e0a\u9762)\u7684\u8bbe\u7f6e\u7684\u8def\u5f84\u4e2d\n\t\t\t\t\tOutputStream os = new FileOutputStream(realpath+"\/"+filename);\n\t\t\t\t\t\/\/\u4ee5\u4e0b\u4e24\u4e2a\u8f93\u51fa\u6d41,\u5229\u7528\u4e4b\u524d\u6240\u5b66\u7684\u6570\u7ec4\u4f20\u8f93\u5b57\u8282\u6d41\u5bf9\u8c61\n\t\t\t\t\t\/\/\u5b9a\u4e49\u4e00\u4e2aint\u7c7b\u578b\u7684\u53d8\u91cf\n\t\t\t\t\tint len = 0;\n\t\t\t\t\t\/\/\u5b9a\u4e49\u4e00\u4e2abyte\u7c7b\u578b\u7684\u6570\u7ec4\n\t\t\t\t\tbyte[] b = new byte[1024];\n\t\t\t\t\twhile ((len = is.read(b))!= -1) {\n\t\t\t\t\t\tos.write(b, 0, len);\n\t\t\t\t\t\t\n\t\t\t\t\t}\n\t\t\t\t\tos.close();\n\t\t\t\t\tis.close();\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t}\n\t\t\t}\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t} catch (FileUploadException e) {\n\t\t\t\/\/ TODO Auto-generated catch block\n\t\t\te.printStackTrace();\n\t\t}\n\t\t\n\t}\n\t\n\n\tprotected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {\n\t\tdoGet(request, response);\n\t}\n\n}\n<\/code><\/pre>\n\n\n\n
.jsp\u9875:<\/strong><\/p>\n\n\n\n
<%@ page language="java" contentType="text\/html; charset=UTF-8"\n    pageEncoding="UTF-8"%>\n<!DOCTYPE html PUBLIC "-\/\/W3C\/\/DTD HTML 4.01 Transitional\/\/EN" "http:\/\/www.w3.org\/TR\/html4\/loose.dtd">\n<html>\n<head>\n<meta http-equiv="Content-Type" content="text\/html; charset=UTf-8">\n<title>Insert title here<\/title>\n<\/head>\n<body>\n<h1>\u6587\u4ef6\u4e0a\u4f20<\/h1>\n<form action="\/shangchuanxiazai\/Test1" method="post" enctype="multipart\/form-data">\n\u6587\u4ef6\u63cf\u8ff0:<input type ="text" name="info"><br>\n\u6587\u4ef6\u4e0a\u4f20:<input type="file" name = "up"><br>\n<input type = "submit" value="\u4e0a\u4f20"> \n\n\n<\/form>\n<\/body>\n<\/html>\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u51c6\u5907\u5de5\u4f5c,\u5f15\u5165jar\u5305: commons-fileupload-1.2.1.jar commons-io-1. […]<\/p>\n","protected":false},"author":1,"featured_media":196,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"class_list":["post-151","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-coder"],"_links":{"self":[{"href":"http:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/posts\/151","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=151"}],"version-history":[{"count":0,"href":"http:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/posts\/151\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/cn1.club\/index.php?rest_route=\/wp\/v2\/media\/196"}],"wp:attachment":[{"href":"http:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=151"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/cn1.club\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}