COS 文件上传事例

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COS 鏂囦欢涓婁紶

Cos缁勪欢鏄疧`Rrilly鍏徃寮€鍙戠殑涓€娆惧厤璐圭粍浠躲€傚湪椤圭洰瀹炴柦涓紝鏈汉涔熺‘瀹炶兘鎰熻COS缁勪欢鍦ㄤ笂浼犻€熷害鏈夌潃鏄庢樉鐨勪紭鍔匡紝鎵€浠ユ湁蹇呰鏉ュ涔犱竴涓婥OS鐨勭浉鍏崇敤娉曘€?

COS鐨勫府鍔╂枃妗ｅ涓嬪浘鎵€绀恒€?

鍦–os缁勪欢涓紝MultipartRequest绫讳富瑕佽礋璐ｆ枃浠朵笂浼犵殑澶勭悊銆侻ultipartRequest鏈?涓瀯閫犲嚱鏁帮細

1.Public MultipartRequest ( HttpServletRequest request, String saveDirectory,) throws IOException

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2.Public MultipartRequest ( HttpServletRequest request, String saveDirectory, int maxPostSize) throws IOException

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3.Public MultipartRequest ( HttpServletRequest request, String saveDirectory, int maxPostSize, FileRenamePolicy policy) throws IOException

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4.Public MultipartRequest ( HttpServletRequest request, String saveDirectory, int maxPostSize, String encoding) throws IOException

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5.Public MultipartRequest ( HttpServletRequest request, String saveDirectory, int maxPostSize, String encoding, FileRenamePolicy policy) throws IOException

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6.Public MultipartRequest ( HttpServletRequest request, String saveDirectory, String encoding) throws IOException

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7.Public MultipartRequest ( HttpServletRequest request, String saveDirectory) throws IOException

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8.Public MultipartRequest ( HttpServletRequest request, String saveDirectory, int maxPostSize) throws IOException

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鍓?绉嶆瀯閫犲嚱鏁伴兘鏄敤鏉ヤ笓闂ㄥ鐞咹TTP鍗忚鐨勶紝saveDirectory鏄笂浼犳枃浠惰瀛樺偍鍦ㄦ湇鍔″櫒绔殑鐩綍鍚嶇О锛沵axPostSize鏄敤鏉ラ檺鍒剁敤鎴蜂笂浼犳枃浠跺ぇ灏忕殑锛岃嫢瓒呰繃maxPostSzie锛屼細浜х敓IOException锛岄粯璁や笂浼犳枃浠跺ぇ灏忔槸1MB锛沞ncoding鍙互璁惧畾鐢ㄤ綍绉嶇紪鐮佹柟寮忔潵涓婁紶鏂囦欢鍚嶇О锛屽彲浠ヨВ鍐充腑鏂囬棶棰樸€?

MultipartRequest绫诲伐鍏锋湁8绉嶆柟娉曪紝鍒╃敤杩欎簺鏂规硶锛屾垜浠彲浠ュ彇寰楄姹傜殑鐩稿叧淇℃伅锛?

Public Enumeration getParameterNames()銆€鍙互鍙栧緱璇锋眰鍙傛暟鐨勫悕绉?

public String getParameter(String name)銆€銆€姝ゆ柟娉曚紶鍥炲弬鏁颁负name鐨勫€?

public String[] getParameterValues(String name)銆€姝ゆ柟娉曚富瑕佺敤鍦ㄥ彇寰楀綋涓€鎸囧畾鍙傛暟鍏锋湁澶氫釜鍊兼椂锛屽畠浼氫紶鍥濻tring鐨勬暟缁?

public Enumeration getFileName()銆€浼犲洖鎵€鏈夋枃浠惰緭鍏ョ被鍨嬬殑鍚嶇О

public String getFilesystemNames(String name)銆€鐢ㄦ鏂规硶寰楀埌涓婁紶鏂囦欢鐨勭湡姝ｇ殑鏂囦欢鍚嶏紝杩欓噷鐨刵ame鎸囨枃浠惰緭鍏ョ被鍨嬬殑鍚嶇О

public String getContentType(String name)銆€姝ゆ柟娉曞緱鍒颁笂浼犳枃浠剁殑鍐呭绫诲瀷

public File getFile(String name)銆€姝ゆ柟娉曞緱鍒颁竴涓枃浠跺璞★紝浠ｈ〃鍌ㄥ瓨鍦ㄦ湇鍔″櫒涓婄殑name鏂囦欢

public String getOriginalFileName(String name)銆€杩斿洖鏂囦欢鍦ㄤ慨鏀规斂绛栨湁鏁堜箣鍓嶇殑鏂囦欢鍚?

COS缁勪欢鐨勫簲鐢細

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涓嬮潰锛屾垜浠€氳繃涓€涓笂浼犳枃浠剁殑灏忕▼搴忔潵婕旂ず鐢–OS缁勪欢涓婁紶鏂囦欢鐨勫簲鐢紱

涓€锛涘缓涓€涓悕涓簎pFile 鐨勫伐绋?/b>锛氬湪WeRoot鐩綍涓嬪垱寤轰袱涓〉闈紝鍒嗗埆涓簎pFile.html(涓婁紶椤甸潰)銆乁plad.jsp(澶勭悊缁撴灉椤甸潰) 浜岋紱瀵煎叆 Cos.jar
鍖?/b>锛?鎶奀os.jar鍖呭鍏ib鐩綍涓嬨€?

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涓夛紱缂栧啓椤甸潰鍜屼笟鍔′唬鐮侊紱 1锛屼笂浼犻〉闈㈢殑 upFile.html 绋嬪簭娓呭崟锛?/b>

<html>

聽 <head>

聽聽聽 <title>鏂囦欢涓婁紶棣栭〉</title>

聽 </head>聽

聽 <body bgcolor="#aaccbb">

聽鏂囦欢涓婁紶锛?

聽 <hr/>

聽 <form action="upland.jsp" method="post" enctype="multipart/form-data">

聽 <input type="file" name="file1"><br/>

聽 <input type="file" name="file2"/><br/>

聽 <input type="file" name="file3"/><br/>       

聽 <input type="submit" value="涓婁紶"/>聽

聽 </form>聽

聽 </body>

</html>

涓婁紶鍚庨〉闈pland.jsp浠ｇ爜娓呭崟;

<%@ page聽 import="java.util.*" contentType="text/html; charset=gbk" %>

<%@ page聽 import="java.io.*"%>

<%@page import="com.oreilly.servlet.multipart.*"%>

<%@page import="com.oreilly.servlet.*" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

聽 <head >聽聽聽

聽聽聽 <title>涓婁紶鏂囦欢</title>

聽聽聽 <%

聽聽聽 //榛勬渤涔嬫按鍝噷鍘伙紝鏂囦欢淇濆瓨鍦ㄤ綍澶勶紵娉ㄦ剰锛氳繖涓枃浠跺す涓€瀹氳鍏堝垱寤猴紝鍚﹀垯浼氭姏鍑恒€併€?/IllegalArgumentException寮傚父

聽聽聽 String fileDirectory = "c://haha";

聽聽聽 //璁剧疆鏂囦欢鐨勬渶澶у€间负500M锛屽湪杩欓噷鏈変笁涓枃浠讹紝涓婁紶鏃舵槸鎸夊瓧鑺傝绠楃殑锛屾墍浠ヤ笂浼犵殑鏂囦欢鏈€澶у€间负锛?

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int
fixMax = 3 * 500 * 1024 * 1024 ;

聽聽聽 //璁剧疆response 鐨勭紪鐮佷负gbk; ,鍚屾椂閲囩敤缂虹渷鐨勬枃浠跺悕鍐茬獊瑙ｅ喅绛栫暐,瀹炵幇涓婁紶

MultipartRequest multi =
new
MultipartRequest(request,fileDirectory,fixMax,"gbk");

聽聽聽 //鍒拌繖閲屼笂浼犳枃浠跺畬鎴愶紝涓轰簡鏄剧ず涓婁紶鍚庣殑缁撴灉锛屾垜浠敤Enumeration杩斿洖涓婁紶鐨勪俊鎭?

聽聽聽 //杈撳嚭鍙嶉淇℃伅;

聽聽聽 Enumeration enums = multi.getFileNames();

聽聽聽
while
(enums.hasMoreElements()){

聽聽聽聽聽 System.out.println("hahah");

聽聽聽聽聽 String fileName = (String)enums.nextElement();

聽聽聽聽聽 File file = multi.getFile(fileName);

聽聽聽聽聽
if (file!= null
){

聽聽聽聽聽聽聽聽聽聽聽 String name = multi.getFilesystemName(fileName);

聽聽聽聽聽聽聽聽聽聽聽 String lastName = fileDirectory +"//"+ name;

聽聽聽聽聽聽聽聽聽聽聽 out.print("鏂囦欢宸叉垚鍔熶笂浼犲埌锛?+lastName+"<hr>");聽聽聽聽聽聽聽聽聽聽聽

聽聽聽聽聽 }聽聽聽聽聽

聽聽聽 }

聽聽聽聽 %>

聽 </head>聽

聽 <body bgcolor="#aaccbb">

聽<h3>my file up success !</h3>

聽 </body>

</html>

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鐜板湪鎴戜滑鍙互鎵撳紑c:/haha鏂囦欢澶癸紝鏌ョ湅鏂囦欢

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闂锛燂紵
1锛屄犅犅?濡備綍鎶婁笂浼犵殑鏂囦欢鏀惧湪褰撳墠宸ョ▼鐨勬煇涓枃浠跺す涓嬮潰锛屽鏀剧疆鍦╓ebRoot/files涓嬮潰

2锛屄犅犅?鍦ㄥ叿浣撻棶棰樹腑锛屽線寰€鏄妸涓婁紶鐨勬枃浠朵繚瀛樺湪鎸囧畾鐨勬枃浠跺す涓嬶紝鑰屽湪鏁版嵁搴撲腑鍙繚瀛樻枃浠剁殑鍦板潃銆備絾杩欐牱锛屽張濡備綍鑾峰彇琛ㄥ崟涓殑鍏朵粬鏂囨湰妗嗙殑鍊煎憿锛熷 text , reado , passeord 绛夌殑鍊硷紝鐒跺悗鎶婁粬浠殑鍊煎拰鏂囦欢鐨勮矾寰勪竴璧蜂繚瀛樺埌鏁版嵁搴撲腑銆?

瑙ｅ喅鏂规1)锛屾敼鍙樻彁浜ょ殑娴佺▼銆傚叿浣撳垎鏋愬涓嬪浘锛堢暐锛?

聽鏂囦欢鍩熺殑灞炴€ф敼鍙樻垚浜嗘櫘閬嶇殑鏂囨湰妗嗭紝鍚屾椂澶氭坊鍔犱簡涓€涓笂浼犳枃浠剁殑鏅€氭寜閽紝index.jsp灏辨垚浜嗘櫘閫氱殑琛ㄥ崟鎻愪氦椤甸潰浜嗭紝鐐瑰嚮涓婁紶鏂囦欢鎸夐挳锛屽皢鍦ㄦ柊绐楀彛涓脊鍑轰笂浼犳枃浠剁殑椤甸潰go.jsp 銆傚湪杩欎釜椤甸潰涓湁鍘熸潵鐨勬枃浠跺煙锛屽畠鎻愪氦缁檜pland.jsp椤甸潰澶勭悊锛屽鐞嗗悗鎶婃枃浠朵笂浼犵殑鍦板潃鏀惧叆session涓紝杞彂缁欓椤垫彁浜ら〉闈紝鐒跺悗鍦ㄦ彁浜ら〉闈笂鑾峰彇session涓殑鍊硷紝鍗虫枃浠剁殑鍦板潃锛岀劧鍚庢彁浜ゅ埌鏁版嵁搴撲腑瀛樺偍璧锋潵锛岃繖瑷€灏卞畬鎴愪簡鏂囦欢鐨勪笂浼犲拰鏁版嵁鐨勬彁浜ゃ€?

聽聽聽聽浠ヤ笂涓変釜椤甸潰涓殑鍏抽敭浠ｇ爜濡備笅锛?

Index.jsp婧愮爜锛?

<%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>

<html>

聽聽聽 <head>

聽聽聽聽聽聽 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

聽聽聽聽聽聽 <title>鏂囦欢涓婁紶棣栭〉</title>

聽聽聽聽聽聽 <script language="javascript">

聽聽聽 function upload()

聽聽聽 {聽聽

聽聽聽聽 var go = "go.jsp"

聽聽聽聽var oawin=聽 window.open(go,"hahah", "toolbar=0,location=0,status=0,menubar=0,scrollbars=no,resizable=0,width=200,height=120,");

聽聽聽聽oawin.focus();

聽聽聽 oawin.opener=window;

聽聽聽 }

</script>

聽聽聽 </head>

聽聽聽 <body bgcolor="#aaccbb">

聽聽聽聽聽聽 <%

聽聽聽聽聽聽聽聽聽聽 String file = (String) session.getAttribute("file");

聽聽聽聽聽聽聽聽聽聽
if (file == null
)

聽聽聽聽聽聽聽聽聽聽聽聽聽 file = "";

聽聽聽聽聽聽 %>

聽聽聽聽聽聽鏂囦欢涓婁紶锛?

聽聽聽聽聽聽 <hr />

聽聽聽聽聽聽 <form action="upland.jsp" method="post" enctype="multipart/form-data">

聽聽聽聽聽聽聽聽聽聽 <input type="test" name="name" />

聽聽聽聽聽聽聽聽聽聽 :username

聽聽聽聽聽聽聽聽聽聽 <br>

聽聽聽聽聽聽聽聽聽聽 <input type="test" name="files" id="files" value="<%=file%>" />

聽聽聽聽聽聽聽聽聽聽 <label>

聽聽聽聽聽聽聽聽聽聽聽聽聽 <input name="鎸夐挳" type="button" onclick="upload()" value="涓婁紶鏂囦欢" />

聽聽聽聽聽聽聽聽聽聽 </label>

聽聽聽聽聽聽聽聽聽聽 <br>

聽聽聽聽聽聽聽聽聽聽 <br />

聽聽聽聽聽聽聽聽聽聽        

聽聽聽聽聽聽聽聽聽聽 <input type="submit" value="涓婁紶" />

聽聽聽聽聽聽 </form>

聽聽聽 </body>

</html>

Go.jsp婧愮爜锛?

<%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>

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<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>涓婁紶鏂囦欢椤?lt;/title>

</head>

<body>

<h2>璇烽€夋嫨浣犺涓婁紶鐨勬枃浠?</h2>

<form action="upland.jsp" method="post" enctype="multipart/form-data" name="form1" id="form1">

聽 <label>

聽 <input type="file" name="fileField" id="fileField" />

聽 </label>

聽聽聽 <input type="submit" name="button" id="button" value="纭畾" />

</form>

<p> </p>

<p> </p>

</body>

</html>

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聽

聽

聽

聽

<%@ page import="java.util.*" contentType="text/html; charset=gbk"%>

<%@ page import="java.io.*"%>

<%@page import="com.oreilly.servlet.multipart.*"%>

<%@page import="com.oreilly.servlet.*"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

聽聽聽 <head>

聽

聽聽聽聽聽聽 <title>涓婁紶鏂囦欢</title>

聽聽聽聽聽聽 <%

聽聽聽聽聽聽聽聽聽聽 //涓婁紶鐨勬枃浠朵繚瀛樺湪浣曞锛熸敞鎰忥細杩欎釜鏂囦欢澶硅鍏堝垱寤?

聽聽聽聽聽聽聽聽聽 // fileDirectory = "c://haha";

聽聽聽聽聽聽聽聽聽聽 String path = request.getRealPath("files");

聽聽聽聽聽聽聽聽聽聽 System.out.println(path);

聽聽聽聽聽聽聽聽聽聽 //璁剧疆鏂囦欢鐨勬渶澶у€间负500M锛屽湪杩欓噷鏈変笁涓枃浠讹紝涓婁紶鏃舵槸鎸夊瓧鑺傝绠楃殑锛屾墍浠ヤ笂浼犵殑鏂囦欢鏈€澶у€间负锛?

聽聽聽聽聽聽聽聽聽聽
int
fixMax = 500 * 1024 * 1024;

聽聽聽聽聽聽聽聽聽聽 //璁剧疆response 鐨勭紪鐮佷负gbk; ,鍚屾椂閲囩敤缂虹渷鐨勬枃浠跺悕鍐茬獊瑙ｅ喅绛栫暐,瀹炵幇涓婁紶

聽聽聽聽聽聽聽聽聽聽 MultipartRequest multi =
new
MultipartRequest(request, path,

聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 fixMax, "gbk");

聽聽聽聽聽聽聽聽聽聽 //杈撳嚭鍙嶉淇℃伅;

聽聽聽聽聽聽聽聽聽聽 Enumeration enums = multi.getFileNames();

聽聽聽聽聽聽聽聽聽聽
while
(enums.hasMoreElements()) {

聽聽聽聽聽聽聽聽聽聽聽聽聽 String fileName = (String) enums.nextElement();

聽聽聽聽聽聽聽聽聽聽聽聽聽 File file = multi.getFile(fileName);

聽聽聽聽聽聽聽聽聽聽聽聽聽
if (file != null
) {

聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 String name = multi.getFilesystemName(fileName);

聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 String lastName = fileDirectory + "//" + name;

聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 session.setAttribute("file", lastName);

聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 request.getRequestDispatcher("index.jsp").forward(request,

聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 response);

聽聽聽聽聽聽聽聽聽聽聽聽聽 }

聽

聽聽聽聽聽聽聽聽聽聽 }

聽聽聽聽聽聽 %>

聽聽聽 </head>

聽

聽聽聽 <body bgcolor="#aaccbb">

聽聽聽聽聽聽 <h3>

聽聽聽聽聽聽聽聽聽聽 my file up success !

聽聽聽聽聽聽 </h3>

聽聽聽 </body>

</html>

聽

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