本文實例為大家分享了Bootstrap FileInput實現圖片上傳功能的具體代碼，供大家參考，具體內容如下
html代碼：
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<div class="form-group"> <label class="col-sm-2 control-label">圖片</label> <div class="col-sm-8"> <input id="filesInput" type="file" multiple data-browse-on-zone-click="true" class="file-loading" accept="image/*" /> <input id="resources" name="resources" th:value="${record.picUrls}" type="hidden">//獲取上傳的圖片路徑，$("#filesInput").val()獲取不到，用隱藏的input來獲取 </div></div> |
引入js和css文件
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<link href="/ajax/libs/bootstrap-fileinput/fileinput.css" rel="stylesheet" type="text/css"/><script th:src="@{/js/jquery.min.js}"></script><script th:src="@{/js/bootstrap.min.js}"></script><script th:src="@{/ajax/libs/bootstrap-fileinput/fileinput.js}"></script> |
js代碼：
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var List = new Array();//定義一個全局變量去接受文件名和id$(function () { var picStr = [http:...,http:....];var picStrConfig = [{caption: "11111", width: "120px", fileid:"123456", url: "deleteData", type:"image", key: "1"},........];$('#filesInput').fileinput({ theme: 'fas', language: 'zh', uploadUrl: ctx + 'bike/record/uploadData', uploadAsync: true, //默認異步上傳 showUpload: true, //是否顯示上傳按鈕 overwriteInitial: false, showRemove : false, //顯示移除按鈕 // showPreview : true, //是否顯示預覽 showCaption: false,//是否顯示標題 browseClass: "btn btn-primary", //按鈕樣式 dropZoneEnabled: false,//是否顯示拖拽區域 maxFileCount: 5, //表示允許同時上傳的最大文件個數 enctype: 'multipart/form-data', validateInitialCount:true, layoutTemplates: {actionUpload: ''}, maxFilesNum: 5, fileType: "any", allowedPreviewTypes: ['image'], previewFileIcon: "<i class='glyphicon glyphicon-king'></i>", initialPreviewAsData: true, initialPreview: picStr, //初始化回顯圖片路徑 initialPreviewConfig: picStrConfig //配置預覽中的一些參數 }).on("fileuploaded", function (event, data, previewId, index) { var response = data.response; var filePath = data.response.filePath; //文件上傳成功返回的文件名，可返回自定義文件名 List.push({ FileName: filePath, KeyID: previewId }) // alert(response.filePath); // $("#fileMd5").val(response.fileMd5); // $("#version").val(response.newVersionName); var resources = $('#resources').val(); if (!resources){ $("#resources").val(response.filePath); }else{ $("#resources").val(resources+"^_^"+response.filePath); } }).on('filepredelete', function(event, data, previewId, index) { //刪除原圖片之前的觸發動作 }).on('filedeleted',function (event, data, previewId, index) {//刪除原圖片之后的動作 var resources = $("#resources").val(); var respone = previewId.responseJSON; if(respone.code == 0){ var deleteName = "/"+data; if(resources.indexOf("^_^"+deleteName)>-1){ $("#resources").val("^_^"+resources.replace(deleteName,"")); resources = $("#resources").val(); } if(resources.indexOf(deleteName+"^_^")>-1){ $("#resources").val(resources.replace(deleteName+"^_^","")); resources = $("#resources").val(); } if(resources.indexOf(deleteName)>-1){ $("#resources").val(resources.replace(deleteName,"")); resources = $("#resources").val(); } }}).on('filepreupload', function(event, data, previewId, index) { var form = data.form, files = data.files, extra = data.extra, response = data.response, reader = data.reader;}).on("filesuccessremove", function (event, data, previewId, index) { var resources = $("#resources").val(); for (var i = 0; i < List.length; i++) { if (List[i].KeyID == data) { if(resources.indexOf("^_^"+List[i].FileName)>-1){ $("#resources").val("^_^"+resources.replace(List[i].FileName,"")); resources = $("#resources").val(); } if(resources.indexOf(List[i].FileName+"^_^")>-1){ $("#resources").val(resources.replace(List[i].FileName+"^_^","")); resources = $("#resources").val(); } if(resources.indexOf(List[i].FileName)>-1){ $("#resources").val(resources.replace(List[i].FileName,"")); resources = $("#resources").val(); } List[i].KeyID = "1" } }})；}) |
java代碼：
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/** * 上傳文件*/ @RequestMapping("/uploadData") @ResponseBody public Map<String, Object> uploadData(HttpServletRequest request, HttpServletResponse response) throws Exception{ request.setCharacterEncoding("UTF-8"); Map<String, Object> json = new HashMap<String, Object>(); MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request; /** 頁面控件的文件流* */ MultipartFile multipartFile = null; Map map =multipartRequest.getFileMap(); for (Iterator i = map.keySet().iterator(); i.hasNext();) { Object obj = i.next(); multipartFile=(MultipartFile) map.get(obj); } /** 獲取文件的后綴* */ String filename = multipartFile.getOriginalFilename(); InputStream inputStream; String path = ""; String fileMd5 = ""; try { /** 文件上傳到存儲庫中 **/ inputStream = multipartFile.getInputStream(); File tmpFile = File.createTempFile(filename, filename.substring(filename.lastIndexOf("."))); fileMd5 = Files.hash(tmpFile, Hashing.md5()).toString(); FileUtils.copyInputStreamToFile(inputStream, tmpFile); /** 上傳到 MinIO上 **/ path = minioFileUtil.uploadCustomize(multipartFile.getInputStream(), filename.substring(filename.lastIndexOf(".")), "",multipartFile.getContentType()); /** 上傳 到 阿里云oss **/// path = AliOSSUtils.getInstance().multpartFileUpload(multipartFile,"bike"); tmpFile.delete(); } catch (Exception e) { e.printStackTrace(); logger.error("上傳失敗",e); json.put("fileMd5", fileMd5); json.put("message", "上傳失敗"); json.put("status", false); json.put("filePath", path); return json; } json.put("fileMd5", fileMd5); json.put("message", "上傳成功"); json.put("status", true); json.put("filePath", path); json.put("key", UUIDGenerator.getUUID()); return json; } |
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/** * 刪除文件文件 */@RequestMapping("/edit/deleteData/{id}")@ResponseBody@Transactional(rollbackFor = Exception.class)public AjaxResult deleteData(@PathVariable("id")String id, HttpServletRequest request) throws Exception{ String key = request.getParameter("key"); Record record = recordService.getById(id); String picUrls = record.getPicUrls(); String deleteName = "/" + key; if (picUrls.indexOf("^_^" + deleteName) > -1) { picUrls = "^_^" + picUrls.replace(deleteName, ""); } if (picUrls.indexOf(deleteName + "^_^") > -1) { picUrls = picUrls.replace(deleteName + "^_^", ""); } if (picUrls.indexOf(deleteName) > -1) { picUrls = picUrls.replace(deleteName, ""); } record.setPicUrls(picUrls); if (recordMapper.updatePicsById(record) == 1) { /** 先刪除數據庫中的圖片路徑 再刪除圖片存儲的源文件。**/ minioUtil.removeObject(bucketName, key); return success(key); } return error();} |
修改 fileInput 源碼：
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self._handler($el, 'click', function () { if (!self._validateMinCount()) { return false; } self.ajaxAborted = false; self._raise('filebeforedelete', [vKey, extraData]); //noinspection JSUnresolvedVariable,JSHint $.modal.confirm("確定刪除原文件？刪除后不可恢復",function () { //初始化回顯的圖片在刪除時彈出提示框確認。 if (self.ajaxAborted instanceof Promise) { self.ajaxAborted.then(function (result) { if (!result) { $.ajax(settings); } }); } else { if (!self.ajaxAborted) { $.ajax(settings); } } }) });}); |
以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持服務器之家。
原文鏈接：https://blog.csdn.net/qq_33358864/article/details/113172770
