| 提交 | 用户 | age | ||
| 826b66 | 1 | package com.hx.util; |
| C | 2 | |
| 3 | import javax.servlet.http.HttpServletRequest; | |
| 4 | import javax.servlet.http.HttpServletResponse; | |
| 5 | import java.io.*; | |
| 6 | import java.net.URLEncoder; | |
| 7 | ||
| 8 | public class DownFileUtil { | |
| 9 | ||
| 10 | /** | |
| 11 | * 下载文件工具 | |
| 12 | * | |
| 13 | * @param path | |
| 14 | * 完整路径（可用simpleToof工具获取） | |
| 15 | */ | |
| 16 | public static void DownFile(HttpServletRequest request,HttpServletResponse response,String path) { | |
| 17 | final String userAgent = request.getHeader("USER-AGENT"); | |
| 18 | try { | |
| 19 | // AdminUpload adminUpload = dm.find(AdminUpload.class, fileName); | |
| 20 | // String str =adminUpload.getPath(); | |
| 21 | String filePath = path; | |
| 22 | // System.out.println("path"+ServletActionContext.getRequest().getRealPath("/") | |
| 23 | // + filePath); | |
| 24 | // File downfile = new | |
| 25 | // File(ServletActionContext.getRequest().getRealPath("/") + | |
| 26 | // filePath); | |
| 27 | File downfile = new File(filePath); | |
| 28 | String filename = ""; | |
| 29 | if(userAgent.equals("MSIE")){//IE浏览器 | |
| 30 | filename = URLEncoder.encode(downfile.getName(),"UTF8"); | |
| 31 | }else if(userAgent.equals("Mozilla")){//google,火狐浏览器 | |
| 32 | filename = new String(downfile.getName().getBytes(), "ISO8859-1"); | |
| 33 | }else{ | |
| 34 | filename = URLEncoder.encode(downfile.getName(),"UTF8");//其他浏览器 | |
| 35 | } | |
| 36 | InputStream fis = new BufferedInputStream(new FileInputStream( | |
| 37 | downfile)); | |
| 38 | byte[] buffer = new byte[fis.available()]; | |
| 39 | fis.read(buffer); | |
| 40 | fis.close(); | |
| 41 | response.reset(); | |
| 42 | response.addHeader("Content-Disposition", | |
| 43 | "attachment;filename=" + filename); | |
| 44 | response.addHeader("Content-Length", | |
| 45 | "" + downfile.length()); | |
| 46 | OutputStream toClient = new BufferedOutputStream( | |
| 47 | response.getOutputStream()); | |
| 48 | response.setContentType( | |
| 49 | "application/octet-stream"); | |
| 50 | toClient.write(buffer); | |
| 51 | toClient.flush(); | |
| 52 | toClient.close(); | |
| 53 | } catch (FileNotFoundException e) { | |
| 54 | e.printStackTrace(); | |
| 55 | } catch (IOException e) { | |
| 56 | e.printStackTrace(); | |
| 57 | } | |
| 58 | } | |
| 59 | ||
| 60 | /** | |
| 61 | * 下载文件工具（提示选择路径） | |
| 62 | * | |
| 63 | * @param path | |
| 64 | * 完整路径（可用simpleToof工具获取） | |
| 65 | */ | |
| 66 | public static void DownFileTips(HttpServletRequest request,HttpServletResponse response,String path) { | |
| 67 | final String userAgent = request.getHeader("USER-AGENT"); | |
| 68 | try { | |
| 69 | // AdminUpload adminUpload = dm.find(AdminUpload.class, fileName); | |
| 70 | // String str =adminUpload.getPath(); | |
| 71 | String filePath = path; | |
| 72 | // System.out.println("path"+ServletActionContext.getRequest().getRealPath("/") | |
| 73 | // + filePath); | |
| 74 | // File downfile = new | |
| 75 | // File(ServletActionContext.getRequest().getRealPath("/") + | |
| 76 | // filePath); | |
| 77 | File downfile = new File(filePath); | |
| 78 | ||
| 79 | String filename = ""; | |
| 80 | if(userAgent.equals("MSIE")){//IE浏览器 | |
| 81 | filename = URLEncoder.encode(downfile.getName(),"UTF8"); | |
| 82 | }else if(userAgent.equals("Mozilla")){//google,火狐浏览器 | |
| 83 | filename = new String(downfile.getName().getBytes(), "ISO8859-1"); | |
| 84 | }else{ | |
| 85 | filename = URLEncoder.encode(downfile.getName(),"UTF8");//其他浏览器 | |
| 86 | } | |
| 87 | InputStream fis = new BufferedInputStream(new FileInputStream( | |
| 88 | downfile)); | |
| 89 | byte[] buffer = new byte[fis.available()]; | |
| 90 | fis.read(buffer); | |
| 91 | fis.close(); | |
| 92 | ||
| 93 | response.addHeader("Content-Disposition", "attachment;filename="+ new String(filename.getBytes())); | |
| 94 | OutputStream toClient= new BufferedOutputStream(response.getOutputStream()); | |
| 95 | response.setContentType("application/vnd.ms-excel;charset=utf-8"); | |
| 96 | ||
| 97 | toClient.write(buffer); | |
| 98 | toClient.flush(); | |
| 99 | toClient.close(); | |
| 100 | } catch (FileNotFoundException e) { | |
| 101 | e.printStackTrace(); | |
| 102 | } catch (IOException e) { | |
| 103 | e.printStackTrace(); | |
| 104 | } | |
| 105 | } | |
| 106 | ||
| 107 | /** | |
| 108 | * 下载文件工具（提示选择路径） | |
| 109 | * | |
| 110 | * @param downfile | |
| 111 | * 导出的文件 | |
| 112 | * @param fileName | |
| 113 | * 导出的文件名称 | |
| 114 | */ | |
| 115 | public static void DownFileTips(HttpServletRequest request, HttpServletResponse response, File downfile, String fileName) { | |
| 116 | final String userAgent = request.getHeader("USER-AGENT"); | |
| 117 | try { | |
| 118 | if(StringUtils.isEmpty(fileName)){ | |
| 119 | fileName = downfile.getName(); | |
| 120 | } | |
| 121 | String filename = ""; | |
| 122 | if(userAgent.equals("MSIE")){//IE浏览器 | |
| 123 | filename = URLEncoder.encode(fileName,"UTF8"); | |
| 124 | }else if(userAgent.equals("Mozilla")){//google,火狐浏览器 | |
| 125 | filename = new String(fileName.getBytes(), "ISO8859-1"); | |
| 126 | }else{ | |
| 127 | filename = URLEncoder.encode(fileName,"UTF8");//其他浏览器 | |
| 128 | } | |
| 129 | InputStream fis = new BufferedInputStream(new FileInputStream( | |
| 130 | downfile)); | |
| 131 | byte[] buffer = new byte[fis.available()]; | |
| 132 | fis.read(buffer); | |
| 133 | fis.close(); | |
| 134 | ||
| 135 | response.addHeader("Content-Disposition", "attachment;filename="+ filename); | |
| 136 | OutputStream toClient= new BufferedOutputStream(response.getOutputStream()); | |
| 137 | response.setContentType("application/vnd.ms-excel;charset=utf-8"); | |
| 138 | ||
| 139 | toClient.write(buffer); | |
| 140 | toClient.flush(); | |
| 141 | toClient.close(); | |
| 142 | } catch (FileNotFoundException e) { | |
| 143 | e.printStackTrace(); | |
| 144 | } catch (IOException e) { | |
| 145 | e.printStackTrace(); | |
| 146 | } | |
| 147 | } | |
| 148 | ||
| 149 | /** | |
| 150 | * 下载文件工具（提示选择路径） | |
| 151 | * | |
| 152 | * @param inputStream | |
| 153 | * 导出的文件流 | |
| 154 | * @param fileName | |
| 155 | * 导出的文件名称 | |
| 156 | */ | |
| 157 | public static void DownFileTips(HttpServletRequest request, HttpServletResponse response, InputStream inputStream , String fileName) { | |
| 158 | final String userAgent = request.getHeader("USER-AGENT"); | |
| 159 | try { | |
| 160 | if(StringUtils.isEmpty(fileName)){ | |
| 161 | throw new RuntimeException("请输入文件名称"); | |
| 162 | } | |
| 163 | String filename = ""; | |
| 164 | if(userAgent.equals("MSIE")){//IE浏览器 | |
| 165 | filename = URLEncoder.encode(fileName,"UTF8"); | |
| 166 | }else if(userAgent.equals("Mozilla")){//google,火狐浏览器 | |
| 167 | filename = new String(fileName.getBytes(), "ISO8859-1"); | |
| 168 | }else{ | |
| 169 | filename = URLEncoder.encode(fileName,"UTF8");//其他浏览器 | |
| 170 | } | |
| 171 | InputStream fis = new BufferedInputStream(inputStream); | |
| 172 | byte[] buffer = new byte[fis.available()]; | |
| 173 | fis.read(buffer); | |
| 174 | fis.close(); | |
| 175 | ||
| 176 | response.addHeader("Content-Disposition", "attachment;filename="+ filename); | |
| 177 | OutputStream toClient= new BufferedOutputStream(response.getOutputStream()); | |
| 178 | response.setContentType("application/vnd.ms-excel;charset=utf-8"); | |
| 179 | ||
| 180 | toClient.write(buffer); | |
| 181 | toClient.flush(); | |
| 182 | toClient.close(); | |
| 183 | } catch (FileNotFoundException e) { | |
| 184 | e.printStackTrace(); | |
| 185 | } catch (IOException e) { | |
| 186 | e.printStackTrace(); | |
| 187 | } | |
| 188 | } | |
| 189 | ||
| 190 | /** | |
| 191 | * 下载文件工具（提示选择路径） | |
| 192 | * | |
| 193 | * @param downfile | |
| 194 | * 导出的文件 | |
| 195 | * @param fileName | |
| 196 | * 导出的文件名称 | |
| 197 | */ | |
| 198 | public static void DownFileTips( HttpServletResponse response, File downfile, String fileName) { | |
| 199 | try { | |
| 200 | if(StringUtils.isEmpty(fileName)){ | |
| 201 | fileName = downfile.getName(); | |
| 202 | } | |
| 203 | String filename = ""; | |
| 204 | filename = URLEncoder.encode(fileName,"UTF8");//其他浏览器 | |
| 205 | InputStream fis = new BufferedInputStream(new FileInputStream( | |
| 206 | downfile)); | |
| 207 | byte[] buffer = new byte[fis.available()]; | |
| 208 | fis.read(buffer); | |
| 209 | fis.close(); | |
| 210 | ||
| 211 | response.addHeader("Content-Disposition", "attachment;filename="+ filename); | |
| 212 | OutputStream toClient= new BufferedOutputStream(response.getOutputStream()); | |
| 213 | response.setContentType("application/vnd.ms-excel;charset=utf-8"); | |
| 214 | ||
| 215 | toClient.write(buffer); | |
| 216 | toClient.flush(); | |
| 217 | toClient.close(); | |
| 218 | } catch (FileNotFoundException e) { | |
| 219 | e.printStackTrace(); | |
| 220 | } catch (IOException e) { | |
| 221 | e.printStackTrace(); | |
| 222 | } | |
| 223 | } | |
| 224 | ||
| 225 | } | |
