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layui上传组件使用方法分享

小云云asal: 2018-03-05 16:42:262221semak imbas

本文主要和大家分享layui上传组件使用方法，先贴上前端的代码，希望能帮助到大家。

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head>
    <title>产品特性Form</title>
    <link href="~/Content/Base/layui/css/layui.css" rel="stylesheet" type="text/css" />
    <script src="~/Content/Base/layui/layui.js" type="text/javascript"></script>
    <script src="../../../../Content/Views/js/jquery-1.8.3.min.js" type="text/javascript"></script>
    <script src="../../../../Content/Views/js/framework-ui.js" type="text/javascript"></script>
    <style>
        @*table
        {            height: 150px;
        }        .layui-form-label
        {            width: 100px;        }*@    </style></head><body>


    <p style="width:100%;">
        <p class="layui-upload">
          <button type="button" class="layui-btn layui-btn-normal" id="testList">选择多文件</button> 
          <p class="layui-upload-list">
            <table class="layui-table" id="tableFile">
              <thead>
                <tr><th>文件名</th>
                <th>大小</th>
                <th>状态</th>
                <th>操作</th>
              </tr></thead>
              <tbody id="demoList"></tbody>
            </table>
          </p>
          <button type="button" class="layui-btn" id="testListAction">开始上传</button>
        </p> 
    </p>


    <script>

        function getModelName() {
            var url = location.search; //获取url中"?"符后的字串 
            var theRequest = new Object();            if (url.indexOf("?") != -1) {                var str = url.substr(1);
                strs = str.split("&");                for (var i = 0; i < strs.length; i++) {
                    theRequest[strs[i].split("=")[0]] = unescape(strs[i].split("=")[1]);
                }
            }            return theRequest;
        };        var parentUrlObj = getModelName();        var FileType = decodeURI(escape(parentUrlObj[&#39;filetype&#39;]));        var ModelId = decodeURI(escape(parentUrlObj[&#39;modelId&#39;]));        var NodeId = decodeURI(escape(parentUrlObj[&#39;nodeid&#39;]));        var ProductId = decodeURI(escape(parentUrlObj[&#39;productid&#39;]));

        layui.use([&#39;form&#39;, &#39;upload&#39;], function () {
            var form = layui.form,
            upload = layui.upload;            var demoListView = $(&#39;#demoList&#39;)
                  , uploadListIns = upload.render({
                      elem: &#39;#testList&#39;
                    , url: &#39;/ModelList/uploadNodeAttributeFile?filetype=&#39; + FileType + &#39;&modelid=&#39; + ModelId + &#39;&nodeid=&#39; + NodeId + &#39;&productid=&#39; + ProductId
                    , accept: &#39;file&#39;
                    , multiple: true
                    , auto: false
                    , bindAction: &#39;#testListAction&#39;
                    , choose: function (obj) {
                        var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
                        //读取本地文件
                        obj.preview(function (index, file, result) {
                            var tr = $([&#39;<tr id="upload-&#39; + index + &#39;">'
                          , '<td>' + file.name + '</td>'
                          , '<td>' + (file.size / 1014).toFixed(1) + 'kb</td>'
                          , '<td>等待上传</td>'
                          , '<td>'
                            , '<button class="layui-btn layui-btn-mini demo-reload layui-hide">重传</button>'
                            , '<button class="layui-btn layui-btn-mini layui-btn-danger demo-delete">删除</button>'
                          , '</td>'
                        , '</tr>'].join(''));                            //单个重传
                            tr.find('.demo-reload').on('click', function () {
                                obj.upload(index, file);
                            });                            //删除
                            tr.find('.demo-delete').on('click', function () {
                                delete files[index]; //删除对应的文件
                                tr.remove();
                                uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免删除后出现同名文件不可选
                            });

                            demoListView.append(tr);
                        });
                    }
                    , done: function (res, index, upload) {
                        if (res.Status == "success") {                            var tr = demoListView.find('tr#upload-' + index), tds = tr.children();
                            tds.eq(2).html('<span style="color: #5FB878;">上传成功</span>');                            return null;
                        } else {                            if (res.Message == "文件已存在") {                                var tr = demoListView.find('tr#upload-' + index), tds = tr.children();
                                tds.eq(2).html('<span style="color: #5FB878;">上传失败，文件已存在</span>');                                return null;
                            } else {                                this.error(index, upload);
                            }
                        }

                    }
                    , error: function (index, upload) {
                        var tr = demoListView.find('tr#upload-' + index)
                      , tds = tr.children();
                        tds.eq(2).html('<span style="color: #FF5722;">上传失败</span>');
                        tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
                    }
                  });
        });        function heightTiao(nameid) {
            var oIframe = window.top.document.getElementById(nameid);            var oBody = document.getElementsByTagName("body")[0];
            oIframe.style.height = oBody.offsetHeight + 40 + 'px';
        };    </script></body></html>

C#后端接收代码

HttpFileCollection hfc = System.Web.HttpContext.Current.Request.Files;string str1 = AppDomain.CurrentDomain.SetupInformation.ApplicationBase;string imgPath = "";string fileName = "";fileName = hfc[0].FileName;imgPath = Server.MapPath("~/bin/" + fileName);imgPath = Server.MapPath("~/bin/" + modelId + "/" + productid + "/" + nodeid + "/" + filetype + "/" + fileName);hfc[0].SaveAs(imgPath);return Content(new AjaxResult { Status = ResultType.success, Message = "执行成功" }.ToJson());

具体使用过程中需要注意的是
auto: false
bindAction: ‘#testListAction’
这两个参数主要是设定为当你选择文件时不上传文件，而指定某个按钮来执行上传的动作
假设需要选择文件时则执行上传动作，只需要把auto设为true，并且去掉bindAction这个参数

其它参数可参照layui官网文档

上传文件需要判断的很多，只是简单记录个例子方便自己以后的使用。

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