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aggregation-platform
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初次联调，导入excel

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web_backend_develope
chenlw 9 years ago
parent de3ed10133
commit 79ba4feb46
1 changed files with 100 additions and 14 deletions
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114
src/com/platform/controller/ExcelController.java
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@ -3,9 +3,12 @@ package com.platform.controller;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.io.RandomAccessFile;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
@ -17,6 +20,8 @@ import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.sf.json.JSONArray;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.log4j.Logger;
@ -26,6 +31,7 @@ import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
@ -52,15 +58,15 @@ public class ExcelController extends BaseController{
@Resource(name = "preDataInfoService")
private IPreDataInfoService preDataInfoService;
// 文件上传处理函数
// 文件上传处理函数
@RequestMapping(value = "/file/upload", method = RequestMethod.POST)
public void upload(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
throws ServletException, IOException {
int resumableChunkNumber = HttpUtils.toInt(
request.getParameter("resumableChunkNumber"), -1);
ResumableInfo info = getResumableInfo(request);
String requestMethod = request.getMethod();
// 处理GET请求
if ("GET".equals(requestMethod)) {
@ -78,7 +84,7 @@ public class ExcelController extends BaseController{
// Seek to position
raf.seek((resumableChunkNumber - 1)
* (long) info.resumableChunkSize);
// Save to file
InputStream is = request.getInputStream();
long readed = 0;
@ -93,23 +99,26 @@ public class ExcelController extends BaseController{
readed += r;
}
raf.close();
// Mark as uploaded.
info.uploadedChunks.add(new ResumableInfo.ResumableChunkNumber(
resumableChunkNumber));
if (info.checkIfUploadFinished()) { // Check if all chunks uploaded,
// and change filename
log.info(info.resumableFilename);
ResumableInfoStorage.getInstance().remove(info);
response.getWriter().print("All finished.");
//开始导入excel
} else {
response.getWriter().print("Upload");
}
} else { // 不处理非GET/POST请求
throw new IllegalStateException("只接受 POST或GET请求");
}
log.info("----");
}
// 文件下载处理函数
@RequestMapping(value = "/file/download")
public ResponseEntity<byte[]> download(HttpServletRequest request,
@ -134,7 +143,7 @@ public class ExcelController extends BaseController{
// 文件上传处理函数
private ResumableInfo getResumableInfo(HttpServletRequest request)
throws ServletException {
throws ServletException, IOException {
String base_dir = Configs.FILE_UPLOAD_PATH;
int resumableChunkSize = HttpUtils.toInt(
@ -143,7 +152,9 @@ public class ExcelController extends BaseController{
request.getParameter("resumableTotalSize"), -1);
String resumableIdentifier = request
.getParameter("resumableIdentifier");
String resumableFilename = request.getParameter("resumableFilename");
String fileName = new String(request.getParameter("resumableFilename").getBytes("iso-8859-1"),
"UTF-8");// 为了解决中文名称乱码问题
String resumableFilename = fileName /*request.getParameter("resumableFilename")*/;
String resumableRelativePath = request
.getParameter("resumableRelativePath");
// Here we add a ".temp" to every upload file to indicate NON-FINISHED
@ -204,14 +215,89 @@ public class ExcelController extends BaseController{
}
@ResponseBody
@RequestMapping("/importExcel")
public ModelMap importExcel(String... paths) throws Exception {
@RequestMapping(produces = "application/json", value = "/importExcel", method = RequestMethod.POST)
public ModelMap importExcel(HttpServletRequest request,
HttpServletResponse response, @RequestBody String fileNameList) throws Exception {
log.info("---importExcel---" + fileNameList);
JSONArray jsonArray = JSONArray.fromObject(fileNameList);
List<String> jsonlist = (List<String>) JSONArray.toCollection(jsonArray, String.class);
ModelMap modelMap = new ModelMap();
if (null == jsonlist && jsonlist.size() > 0) {
System.err.println(request.getParameter("fileNameList"));
modelMap.addAttribute("returncode","3002");
return modelMap;
}
log.info(jsonlist.size());
List<String> listPath = new ArrayList<String>();
listPath.addAll(Arrays.asList(paths));
Map<String, String> result = preDataInfoService.importExcel(listPath);
modelMap.addAttribute("data", "success"+result);
for (String p : jsonlist) {
listPath.add(Configs.FILE_UPLOAD_PATH + p);
}
Map<String, List> result = new HashMap<String, List>();
if (listPath.size() > 0) {
result = preDataInfoService.importExcel(listPath);
if (result.containsKey("fileUnExist") || result.containsKey("areaUnImport")) {
modelMap.addAttribute("data", result);
modelMap.addAttribute("returncode","3001");
}
else {
List<PreDataInfo> datalist = preDataInfoService.findAll();
modelMap.addAttribute("data", datalist);
modelMap.addAttribute("length", datalist.size());
modelMap.addAttribute("returncode","1001");
}
//删除文件
for (String filePath : listPath) {
//读取完后删除源文件（不管是否成功导入）
File tmpf = new File(filePath + ".temp");
File f = new File(filePath);
if (tmpf.exists()) {
tmpf.delete();
}
if (f.exists()) {
f.delete();
}
}
}
return modelMap;
}
public void uploadSpring(HttpServletRequest request, HttpServletResponse respone){
System.out.println(request.getAttribute("file"));
System.out.println(request.getParameter("file"));
//解析器解析request的上下文
CommonsMultipartResolver multipartResolver =
new CommonsMultipartResolver(request.getSession().getServletContext());
//先判断request中是否包涵multipart类型的数据，
if(multipartResolver.isMultipart(request)){
//再将request中的数据转化成multipart类型的数据
MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest) request;
Iterator iter = multiRequest.getFileNames();
while(iter.hasNext()){
//这里的name为fileItem的alias属性值，相当于form表单中name
String name=(String)iter.next();
System.out.println("name:"+name);
//根据name值拿取文件
MultipartFile file = multiRequest.getFile(name);
if(file != null){
String fileName = file.getOriginalFilename();
String path = "D:/test/" + fileName;
File localFile = new File(path);
if(!localFile.getParentFile().exists()) {
//如果目标文件所在的目录不存在，则创建父目录
localFile.getParentFile().mkdirs();
System.out.println("parent:"+localFile.getParentFile().getPath());
}
//写文件到本地
try {
file.transferTo(localFile);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
}
}

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