springboot实现文件上传步骤解析

 
  单个文件上传 
 
 
 
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 /** * @Name：historyStorageCtrl，井史数据入库 * @Date：2019-06-19 * @Author：huofenwei */ (function (angular) { 'use strict'; angular.module('Lujing').controller('historyStorageCtrl', ['$scope', '$http', 'ToastService', '$compile', '$timeout', 'HttpService','$filter', function ($scope, $http, ToastService, $compile, $timeout, HttpService,$filter) { $scope.fileInvalid = false; var $fileInput = initFileInput("importFile", '/server/search/upload'); /** *初始化文件上传 */ function initFileInput(ctrlName, uploadUrl) { var control = $('#' + ctrlName); control.fileinput({ language: 'zh', uploadUrl: uploadUrl, //上传的地址 allowedFileExtensions: ['doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx', 'pdf', 'mp4', 'avi','wmv','asf','asx','rm','rmvb','3gp','mov','m4v','dat','mkv','flv','vob'], showUpload: true, //是否显示上传按钮 showCaption: true, //是否显示标题 showPreview: false, //是否显示预览区域 browseClass: "btn btn-primary", //按钮样式 previewFileIcon: "", }).on('fileuploaderror', fileuploaderror).on("fileuploaded", function (event, data, previewId, index) { // console.log(data);.on('fileselect', fileselect) $scope.$apply(function () { $scope.fileId = data.response.fileId; // 未执行 $scope.document.fileName = data.files[0].name; }); }).on("filecleared", function (event, data, msg) { $scope.$apply(function () { $scope.fileInvalid = false; }); }); return control; } /** * 清空输入框 */ function importClearFunc() { if ($fileInput) $fileInput.fileinput('clear'); $scope.fileInvalid = false; } /** *  文件上传错误 **/ function fileuploaderror(event, data, msg) { $scope.fileInvalid = true; $scope.$apply(); $('.modal-body .kv-upload-progress').css('display', 'none'); if (!(data.jqXHR.responseJSON)) { //文件类型验证错误 $('#fileError').html(msg); } else { //上传错误 console.log(data); var statusCode = data.jqXHR.responseJSON.message; var errorMsg = HTTP_ERROR_MAP['' + statusCode]; $('#fileError').html(errorMsg); } } /** * add 打开添加模态框 */ $scope.openAddModal = function () { $scope.document = {}; $scope.document.classificationId = 1; $scope.document.starGrade = 5; $timeout(importClearFunc); // openModeldialog(); }; /** * 表单验证 * @returns {boolean} */ function formVlidate() { if (!$scope.document.introduction) { return false; } if (!$scope.document.keyPackage) { return false; } return true; } /** * 提交表单信息 */ $scope.submitFileInfo = function () { if (!$scope.fileId) { // ToastService.alert("提示", "先上传文件，再提交表单", "info"); console.error("先上传文件，再提交表单"); return; } if (!formVlidate()) { // ToastService.alert("提示", "请填充表单", "info"); console.error("请填充表单"); return; } $scope.params = { 'introduction': $scope.document.introduction,//简介 'keyPackage': $scope.document.keyPackage,//可能查询的关键字 'starGrade': $scope.document.starGrade,//星级 'classificationId': $scope.document.classificationId,//文件的id 'filePath': $scope.fileId,//文件的路径 'docName': $scope.document.fileName,//文件的名字 'author':$scope.document.author, 'unit':$scope.document.unit, 'writeDate':$scope.document.writeDate?$scope.document.writeDate.format("yyyy-MM-dd hh:mm:ss"):$scope.document.writeDate, 'jh': $scope.document.jh, 'id': $scope.document.id }; HttpService.post("/server/search/submit", $scope.params).then(function (data) { $('#documentOprModal').modal('hide'); // $("#contTable").bootstrapTable('refresh'); console.error("提交文件信息成功"); }, function (response) { // ToastService.alert("提示", "提交文件信息出错", "warning"); console.error("提交文件信息出错"); }); } } ]) })(angular);

 package com.shiwen.yitihui.server.controller; import java.io.File; import java.util.Date; import java.util.HashMap; import java.util.Map; import java.util.UUID; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.PostMapping; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import org.springframework.web.multipart.MultipartFile; import com.shiwen.yitihui.common.Snowflake; import com.shiwen.yitihui.domain.DocClassification; import com.shiwen.yitihui.domain.DocType; import com.shiwen.yitihui.domain.DocumentFile; import com.shiwen.yitihui.domain.FileEntity; import com.shiwen.yitihui.server.service.DocumentFileService; /** * @author wangjie: * @version 创建时间：2019年8月26日 上午11:54:22 * @Description 类描述: */ @RestController @RequestMapping("/search") public class UploadFileController { @Autowired private DocumentFileService dfservice; private String uploadPath="E://file"; /** * 上传文件 * @param file * @return */ @PostMapping("/upload") public Map uploadFile(MultipartFile file){ Map map = new HashMap(); try { //文件的对象 FileEntity fEntity = new FileEntity(); String uuid = UUID.randomUUID().toString(); //文件的id fEntity.setId(uuid.replaceAll("-", ""));//String.valueOf(Snowflake.getNextKey())); //文件的名字 fEntity.setFileName(file.getOriginalFilename()); //上传文件的时间 fEntity.setUploadTime(new Date()); //上传者 fEntity.setUploadBy("admin"); //文件的后缀 String suffix = fEntity.getFileName().substring(fEntity.getFileName().indexOf(".")); //文件存放的完整路径 fEntity.setFinePathName(uploadPath + File.separator + fEntity.getId() + suffix); //文件的类型 fEntity.setDocType(new DocType()); //设置文件的类型 fEntity.getDocType().setId(getDocTypeId(fEntity.getFileName())); //创建文件的对象 File newFile = new File(fEntity.getFinePathName()); //上传文件 file.transferTo(newFile); map.put("result", "success"); map.put("fileId", fEntity.getId()); }catch(Exception e) { //			e.printStackTrace(); map.put("result", "fail"); } return map; } /** * 提交表单 * @param df * @return */ @PostMapping("/submit") public Map submitFileInfo(@RequestBody DocumentFile df) { Map map = new HashMap(); try { if (df.getId() == null || df.getId().isEmpty() || df.getId() == "") { df.setId(String.valueOf(Snowflake.getNextKey())); } String suffix = df.getDocName().substring(df.getDocName().indexOf(".")); df.setFilePath(uploadPath + File.separator + df.getFilePath() + suffix); df.setUploadBy("admin");// 用户名称 df.setUploadTime(new java.util.Date()); df.setUploadTime(new Date()); df.setDownloadNumber(0L); df.setHeat(0L); df.setRelated(20); df.setDocType(new DocType()); df.getDocType().setId(getDocTypeId(suffix)); df.setClassification(new DocClassification()); df.getClassification().setId(df.getClassificationId()); dfservice.save(df); map.put("result", "success"); } catch (Exception e) { //e.printStackTrace(); map.put("result", "fail"); } return map; } private Integer getDocTypeId(String fileName) { if (fileName.contains(".doc")) { return 1; } else if (fileName.contains(".xls")) { return 2; } else if (fileName.contains(".pdf")) { return 3; } else if (fileName.contains(".ppt")) { return 4; }else { return 5; } } }