若依框架 --- pdf文件上传预览功能实现

我就是我 2023-09-25 18:44 70阅读 0赞

闲话少说，上代码。 add.html上传图片； 控制类保存； show.html展示图片文本。 除此之外，文件上传需要配置存储在本地那个位置（application.yml中的profile），之后就可以通过查找该位置找到该文件。 **add.html**

<!DOCTYPE html>
    <html lang="zh" xmlns:th="http://www.thymeleaf.org" >
    <head>
        <th:block th:include="include :: header('修改整改任务')" />
        <th:block th:include="include :: bootstrap-fileinput-css"/>
        <th:block th:include="include :: select2-css" />
    </head>
    <body class="white-bg">
        <div class="wrapper wrapper-content animated fadeInRight ibox-content">
            <form class="form-horizontal m" id="form-reform-edit" th:object="${inspectionReform}">
                <input name="reformId" th:field="*{reformId}" type="hidden">
                <input name="reformCheckid" th:field="*{reformCheckid}" type="hidden">
                <div class="form-group">
                    <label class="col-sm-3 control-label">整改照片路径：</label>
                    <div class="col-sm-8 fileinput fileinput-new" data-provides="fileinput">
                        <div class="fileinput-preview thumbnail" data-trigger="fileinput" style="width: 200px; height: 150px;"></div>
                        <div class="">
                            <span class="btn btn-white btn-file"><span class="fileinput-new">选择图片</span><span class="fileinput-exists">更改</span> <input type="hidden" name="reformImgpath" th:field="*{reformImgpath}"><input id="filePath" type="file" th:field="*{reformImgpath}"></span>
                            <a href="#" class="btn btn-white fileinput-exists" data-dismiss="fileinput">清除</a>
                        </div>
                    </div>
                </div>
    
            </form>
        </div>
        <th:block th:include="include :: footer" />
        <th:block th:include="include :: bootstrap-fileinput-js"/>
        <th:block th:include="include :: jasny-bootstrap-js" />
        <th:block th:include="include :: select2-js" />
        <script th:inline="javascript">
            var prefix = ctx + "model/reform";
            $("#form-reform-edit").validate({
                focusCleanup: true
            });
    
            function uploadFile(url) {
                var formData = new FormData();
                if ($('#filePath')[0].files[0] == null) {
                    $.modal.alertWarning("请先选择文件路径");
                    return false;
                }
                formData.append('reformId',$('#reformId').val());
                formData.append('file', $('#filePath')[0].files[0]);
             
                $.ajax({
                    url: url,
                    type: 'post',
                    cache: false,
                    data: formData,
                    processData: false,
                    contentType: false,
                    dataType: "json",
                    success: function(result) {
                        $.operate.successCallback(result);
                    }
                });
            }
    
            function submitHandler() {
                if ($.validate.form()) {
                    /*$.operate.save(prefix + "/edit", $('#form-check-edit').serialize());*/
                    uploadFile(prefix+"/edit");
                }
            }
        </script>
    </body>
    </html>

控制类

/**
         * 修改保存整改任务
         */
        @RequiresPermissions("model:reform:edit")
        @Log(title = "整改任务", businessType = BusinessType.UPDATE)
        @PostMapping("/edit")
        @ResponseBody
        public AjaxResult editSave(@RequestParam("file") MultipartFile file, @RequestParam("userid")long userid,InspectionReform inspectionReform) throws IOException {
            User user = getSysUser();
            // 上传文件路径
            String filePath = RuoYiConfig.getUploadPath();
            // 上传并返回新文件名称
            String fileName = FileUploadUtils.upload(filePath, file);
    
            return toAjax(inspectionReformService.updateInspectionReform(inspectionReform));
        }

show.html

<!DOCTYPE html>
    <html lang="zh" xmlns:th="http://www.thymeleaf.org" xmlns:shiro="http://www.pollix.at/thymeleaf/shiro">
    <head>
        <th:block th:include="include :: header('整改任务列表')" />
    </head>
    <body class="gray-bg">
         <div class="container-div">
            <div class="row">
                <div class="col-sm-12 search-collapse">
                    <form id="formId">
                        <div class="select-list">
                            <ul>
                                <li>
                                    <label>创建人：</label>
                                    <input type="text" name="reformCreateby"/>
                                </li>
                                <li>
                                    <a class="btn btn-primary btn-rounded btn-sm" onclick="$.table.search()"><i class="fa fa-search"></i> 搜索</a>
                                    <a class="btn btn-warning btn-rounded btn-sm" onclick="$.form.reset()"><i class="fa fa-refresh"></i> 重置</a>
                                </li>
                            </ul>
                        </div>
                    </form>
                </div>
    
                <div class="btn-group-sm" id="toolbar" role="group">
                   
                    <a class="btn btn-primary single disabled" onclick="$.operate.edit()" shiro:hasPermission="model:reform:edit">
                        <i class="fa fa-edit"></i> 修改
                    </a>
                    
                    <a class="btn btn-warning" onclick="$.table.exportExcel()" shiro:hasPermission="model:reform:export">
                        <i class="fa fa-download"></i> 导出
                    </a>
                </div>
                <div class="col-sm-12 select-table table-striped">
                    <table id="bootstrap-table"></table>
                </div>
            </div>
        </div>
        <th:block th:include="include :: footer" />
        <script th:inline="javascript">
            var editFlag = [[${@permission.hasPermi('model:reform:edit')}]];
            var removeFlag = [[${@permission.hasPermi('model:reform:remove')}]];
            var reformDeletedDatas = [[${@dict.getType('inspection_delete')}]];
            var reformStatusDatas = [[${@dict.getType('reform_status')}]];
            var prefix = ctx + "model/reform";
    
            $(function() {
                var options = {
                    url: prefix + "/list",
                    createUrl: prefix + "/add",
                    updateUrl: prefix + "/edit/{id}",
                    removeUrl: prefix + "/remove",
                    exportUrl: prefix + "/export",
                    modalName: "整改任务",
                    columns: [{
                        checkbox: true
                    },
                    {
                        field: 'reformImgpath',
                        title: '整改照片路径',
                        formatter:function (value,row,index) {
                            return $.table.imageView(value);
                        }
                    },
                    {
                        title: '操作',
                        align: 'center',
                        formatter: function(value, row, index) {
                            var actions = [];
                            actions.push('<a class="btn btn-success btn-xs ' + editFlag + '" href="javascript:void(0)" onclick="$.operate.edit(\'' + row.reformId + '\')"><i class="fa fa-edit"></i>编辑</a> ');
                            actions.push('<a class="btn btn-danger btn-xs ' + removeFlag + '" href="javascript:void(0)" onclick="$.operate.remove(\'' + row.reformId + '\')"><i class="fa fa-remove"></i>删除</a>');
                            return actions.join('');
                        }
                    }]
                };
                $.table.init(options);
            });
        </script>
    </body>
    </html>