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Java中如何实现FTP文件上传
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1 package com.ztesoft.ibss.ct.bo.recruit;
2
3 import com.powerise.ibss.util.DBUtil;
4 import com.ztesoft.ibss.common.util.SqlMapExe;
5 import com.ztesoft.ibss.inf.framework.dao.SqlExe;
6 import org.apache.commons.fileupload.FileItem;
7 import org.apache.commons.fileupload.disk.DiskFileItemFactory;
8 import org.apache.commons.fileupload.servlet.ServletFileUpload;
9 import javax.servlet.ServletException;
10 import javax.servlet.http.HttpServlet;
11 import javax.servlet.http.HttpServletRequest;
12 import javax.servlet.http.HttpServletResponse;
13 import java.io.*;
14 import java.sql.Connection;
15 import java.util.List;
16
17 /**
18 * @Author zgp
19 * @Since 2021 -03 -29 15 :16
20 * @Description 招聘活动，pdf简历文件上传到服务器
21 */
22 public class RecruitActivityUpPdf extends HttpServlet {
23
24 public RecruitActivityUpPdf() {
25 super();
26 }
27
28 //Ftp主机名
29 private String ftpHost = "134.224.165.193";
30 //Ftp用户名
31 private String ftpUserName = "wgzx";
32 //Ftp密码
33 private String ftpPassword = "5Z9k%ppNrsuTFlh3";
34 //Ftp的端口号，默认21
35 private int ftpPort = 21;
36 //Ftp服务器的文件路径
37 private String ftpPath = "/home/weblogic/Oracle/Middleware/user_projects/domains/APPdomain/upload/CtWeb/resume_pdf/";
38 //上传文件名称
39 //private String fileName = "Teacher.pdf";
40
41 /*//Ftp主机名
42 private String ftpHost = "134.225.67.7";
43 //Ftp用户名
44 private String ftpUserName = "yzf";
45 //Ftp密码
46 private String ftpPassword = "CHN_yzf486%#!";
47 //Ftp的端口号，默认21
48 private int ftpPort = 21;
49 //Ftp服务器的文件路径
50 private String ftpPath = "/home/weblogic/ftp/yzf/";
51 //上传文件名称
52 //private String fileName = "Teacher.pdf";*/
53
54 private File storeFile;
55 private SqlMapExe sqlexe;
56 Connection conn=null;
57 //更新RecruitActivity表
58 private static final String UPDATE_RECRUIT_ACTIVITY="UPDATE RECRUITACTIVITY "
59 + "SET FILEINPUT=? WHERE LOGINPHONE=?";
60 private String userNumber;
61
62 // 上传文件存储目录
63 private static final String UPLOAD_DIRECTORY = "upload";
64
65 // 上传配置
66 private static final int MEMORY_THRESHOLD = 1024 * 1024 * 3; // 3MB
67 private static final int MAX_FILE_SIZE = 1024 * 1024 * 40; // 40MB
68 private static final int MAX_REQUEST_SIZE = 1024 * 1024 * 50; // 50MB
69
70 @Override
71 protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
72
73 //获取用户的号码，根据用户的号码更新表信息
74 userNumber = req.getParameter("userNumber");
75 System.out.println("获取用户的userNumber为："+userNumber);
76
77 //检测是否为多媒体上传
78 if (!ServletFileUpload.isMultipartContent(req)) {
79 // 如果不是则停止
80 PrintWriter writer = resp.getWriter();
81 writer.println("Error: 表单必须包含 enctype=multipart/form-data");
82 writer.flush();
83 return;
84 }
85
86 // 配置上传参数
87 DiskFileItemFactory factory = new DiskFileItemFactory();
88 // 设置内存临界值 - 超过后将产生临时文件并存储于临时目录中
89 factory.setSizeThreshold(MEMORY_THRESHOLD);
90 // 设置临时存储目录
91 factory.setRepository(new File(System.getProperty("java.io.tmpdir")));
92 ServletFileUpload upload = new ServletFileUpload(factory);
93
94 // 设置最大文件上传值
95 upload.setSizeMax(MAX_FILE_SIZE);
96 // 设置最大请求值 (包含文件和表单数据)
97 upload.setSizeMax(MAX_REQUEST_SIZE);
98 // 中文处理
99 upload.setHeaderEncoding("UTF-8");
100
101 // 构造临时路径来存储上传的文件
102 // 这个路径相对当前应用的目录
103 String uploadPath = getServletContext().getRealPath("/") + File.separator + UPLOAD_DIRECTORY;
104 //String uploadPath = getServletContext().getRealPath("/") + UPLOAD_DIRECTORY;
105 //String uploadPath = "/home/weblogic/Oracle/Middleware/user_projects/domains/APPdomain/upload/CtWeb/resume_pdf/";
106 //String uploadPath = "/home/weblogic/ftp/yzf";
107
108 // 如果目录不存在则创建
109 File uploadDir = new File(uploadPath);
110 if (!uploadDir.exists()) {
111 uploadDir.mkdir();
112 }
113
114 try {
115 // 解析请求的内容提取文件数据
116 @SuppressWarnings("unchecked")
117 List<FileItem> formItems = upload.parseRequest(req);
118
119 if (formItems != null && formItems.size() > 0) {
120 // 迭代表单数据
121 for (FileItem item : formItems) {
122 // 处理不在表单中的字段
123 if (!item.isFormField()) {
124 String fileName = new File(item.getName()).getName();
125 System.out.println("获取用户上传的文件名为："+fileName);
126 /*upLoadFilePdf(uploadPath,fileName);*/
127 //String filePath=uploadPath+File.separator+fileName;
128 String filePath = "/home/weblogic/Oracle/Middleware/user_projects/domains/newwap/upload/wap/upload/" + fileName;
129 //String filePath = uploadPath + fileName;
130 storeFile = new File(filePath);
131 // 在控制台输出文件的上传路径
132 System.out.println(filePath);
133 // 保存文件到硬盘
134 item.write(storeFile);
135 req.setAttribute("message", "文件上传成功!");
136 //System.out.println("文件上传成功!");
137 //upLoadFilePdf(uploadPath,fileName);
138 upLoadFilePdf(fileName);
139 //删除本地临时文件
140 //storeFile.delete();
141 }
142 }
143 }
144 } catch (Exception ex) {
145 req.setAttribute("message", "错误信息: " + ex.getMessage());
146 }
147 }
148
149 /**
150 * location:134.224.165.193
151 * username:wgzx
152 * password:5Z9k%ppNrsuTFlh3
153 * path:/home/weblogic/Oracle/Middleware/user_projects/domains/APPdomain/upload/CtWeb/resume_pdf/
154 * @param
155 * @param file_name
156 */
157 //public void upLoadFilePdf(String file_path, String file_name) {
158 public void upLoadFilePdf(String file_name) {
159 try {
160
161 SqlExe sqlExe=new SqlExe();
162 boolean b = sqlExe.execUpdateForList(UPDATE_RECRUIT_ACTIVITY, new String[]{file_name, userNumber});
163 System.out.println("retBoolean:"+b);
164
165 String tmpPath = System.getProperty("java.io.tmpdir");
166 //FileInputStream in=new FileInputStream(new File(file_path + file_name));
167 FileInputStream in=new FileInputStream(storeFile);
168 FtpUtilActivity.uploadFile(ftpHost, ftpUserName, ftpPassword, ftpPort, ftpPath, file_name, in);
169 //简历上传成功，同时更新简历表，更新文件上传字段
170 /*SqlExe sqlExe=new SqlExe();
171 boolean b = sqlExe.execUpdateForList(UPDATE_RECRUIT_ACTIVITY, new String[]{file_name, userNumber});
172 System.out.println("retBoolean:"+b);*/
173 }catch (Exception e){
174 e.printStackTrace();
175 System.out.println("Exception:"+e.getMessage());
176 }
177 }
178
179 @Override
180 protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
181 this.doPost(req,resp);
182 }
183 }
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