package?com.ps;

import?org.apache.commons.fileupload.FileItem;
import?org.apache.commons.fileupload.disk.DiskFileItemFactory;
import?org.apache.commons.fileupload.servlet.ServletFileUpload;

import?javax.servlet.ServletException;
import?javax.servlet.annotation.WebServlet;
import?javax.servlet.http.HttpServlet;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;
import?java.io.File;
import?java.io.IOException;
import?java.util.List;

@WebServlet（name?=?“ceshi1“）
public?class?PhotoServlet?extends?HttpServlet?{
????protected?void?doPost（HttpServletRequest?request?HttpServletResponse?response）?throws?ServletException?IOException?{


????????request.setCharacterEncoding（“utf-8“）;??//設置編碼
????????//獲得磁盤文件條目工廠
????????DiskFileItemFactory?factory?=?new?DiskFileItemFactory（）;
????????//獲取文件需要上傳到的路徑
????????String?path?=?request.getRealPath（“/upload“）;
????????File?file=new?File（path）;
????????if（!file.exists（））{
????????????file.mkdirs（）;
????????}
????????factory.setRepository（new?File（path））;
????????//設置?緩存的大小
????????factory.setSizeThreshold（1024*1024）?;
????????//文件上傳處理
????????ServletFileUpload?upload?=?new?ServletFileUpload（factory）;
????????try?{
????????????//可以上傳多個文件
????????????List?list?=?（List）upload.parseRequest（request）;
????????????for（FileItem?item?:?list）{
????????????????//獲取屬性名字
????????????????String?name?=?item.getFieldName（）;
????????????????//如果獲取的?表單信息是普通的?文本?信息
????????????????if（item.isFormField（））{
????????????????????//獲取用戶具體輸入的字符串因為表單提交過來的是?字符串類型的
????????????????????String?value?=?item.getString（）?;
????????????????????request.setAttribute（name?value）;
????????????????}else{
????????????????????//獲取路徑名
????????????????????String?value?=?item.getName（）?;
????????????????????//索引到最后一個反斜杠
????????????????????int?start?=?value.lastIndexOf（“\\“）;
????????????????????//截取?上傳文件的?字符串名字，加1是?去掉反斜杠，
????????????????????String?filename?=?value.substring（start+1）;
????????????????????request.setAttribute（name?filename）;
????????????????????//寫到磁盤上
????????????????????item.write（?new?File（pathfilename）?）;//第三方提供的
????????????????????System.out.println（“上傳成功：“+filename）;
????????????????????response.getWriter（）.print（filename）;//將路徑返回給客戶端
????????????????}
????????????}

????????}?catch?（Exception?e）?{
????????????System.out.println（“上傳失敗“）;
????????????response.getWriter（）.print（“上傳失敗：“+e.getMessage（））;
????????}
????}

????protected?void?doGet（HttpServletRequest?request?HttpServletResponse?response）?throws?ServletException?IOException?{
????????doPost（requestresponse）;
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-10-15?19:52??婧愮爜\
?????文件????????6148??2017-10-15?19:49??婧愮爜\.DS_Store
?????目錄???????????0??2017-10-16?08:27??__MACOSX\
?????目錄???????????0??2017-10-16?08:27??__MACOSX\婧愮爜\
?????文件?????????120??2017-10-15?19:49??__MACOSX\婧愮爜\._.DS_Store
?????目錄???????????0??2017-10-15?10:46??婧愮爜\ceshi1\
?????目錄???????????0??2017-10-15?12:18??婧愮爜\ceshi1\.idea\
?????目錄???????????0??2017-10-07?19:48??婧愮爜\ceshi1\.idea\artifacts\
?????文件?????????487??2017-10-07?19:48??婧愮爜\ceshi1\.idea\artifacts\ceshi1_war_exploded.xml
?????文件?????????686??2017-10-07?19:48??婧愮爜\ceshi1\.idea\compiler.xml
?????目錄???????????0??2017-10-07?19:48??婧愮爜\ceshi1\.idea\copyright\
?????文件??????????74??2017-10-07?19:48??婧愮爜\ceshi1\.idea\copyright\profiles_settings.xml
?????目錄???????????0??2017-10-15?10:46??婧愮爜\ceshi1\.idea\libraries\
?????文件?????????328??2017-10-15?10:46??婧愮爜\ceshi1\.idea\libraries\commons_fileupload_1_3_1.xml
?????文件????????3811??2017-10-15?10:06??婧愮爜\ceshi1\.idea\misc.xml
?????文件?????????252??2017-10-07?19:48??婧愮爜\ceshi1\.idea\modules.xml
?????文件???????45538??2017-10-15?12:18??婧愮爜\ceshi1\.idea\workspace.xml
?????文件?????????997??2017-10-15?10:46??婧愮爜\ceshi1\ceshi1.iml
?????目錄???????????0??2017-10-15?10:57??婧愮爜\ceshi1\out\
?????目錄???????????0??2017-10-07?19:49??婧愮爜\ceshi1\out\artifacts\
?????目錄???????????0??2017-10-15?11:36??婧愮爜\ceshi1\out\artifacts\ceshi1_war_exploded\
?????文件?????????195??2017-10-15?19:52??婧愮爜\ceshi1\out\artifacts\ceshi1_war_exploded\index.jsp
?????目錄???????????0??2017-10-15?12:13??婧愮爜\ceshi1\out\artifacts\ceshi1_war_exploded\upload\
?????文件???????11995??2017-10-15?12:13??婧愮爜\ceshi1\out\artifacts\ceshi1_war_exploded\upload\dts_featured_quiet_comfort_qc.png
?????文件??????459187??2017-10-15?12:08??婧愮爜\ceshi1\out\artifacts\ceshi1_war_exploded\upload\Picture_01_Shark.jpg
?????文件??????729422??2017-10-15?11:52??婧愮爜\ceshi1\out\artifacts\ceshi1_war_exploded\upload\Picture_04_Lake.jpg
?????文件????????3729??2017-10-15?11:53??婧愮爜\ceshi1\out\artifacts\ceshi1_war_exploded\upload\screen_lock_27149.png
?????目錄???????????0??2017-10-15?11:30??婧愮爜\ceshi1\out\artifacts\ceshi1_war_exploded\WEB-INF\
?????目錄???????????0??2017-10-15?10:58??婧愮爜\ceshi1\out\artifacts\ceshi1_war_exploded\WEB-INF\classes\
?????目錄???????????0??2017-10-15?10:58??婧愮爜\ceshi1\out\artifacts\ceshi1_war_exploded\WEB-INF\classes\com\
?????目錄???????????0??2017-10-15?11:49??婧愮爜\ceshi1\out\artifacts\ceshi1_war_exploded\WEB-INF\classes\com\ps\
............此處省略1906個文件信息