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  • 纯js上传文件 很好用

    <!DOCTYPE html>  
    <html>  
    <head>  
    <meta charset="utf-8">  
    <meta name="viewport" content="width=device-width, initial-scale=1.0">  
    <title>参数设置</title>  
    <meta name="keywords" content="">  
    <meta name="description" content="">  
    <link rel="shortcut icon" href="favicon.ico">  
    <link href="ByFrame/css/bootstrap.min.css?v=3.3.6" rel="stylesheet">  
    <link href="ByFrame/css/font-awesome.css?v=4.4.0" rel="stylesheet">  
    <link href="ByFrame/css/plugins/bootstrap-table/bootstrap-table.min.css"  
        rel="stylesheet">  
    <link href="ByFrame/css/animate.css" rel="stylesheet">  
    <link href="ByFrame/css/style.css?v=4.1.0" rel="stylesheet">  
    <!-- 插件css -->  
    <link href="ByFrame/css/plugins/iCheck/custom.css" rel="stylesheet">  
    </head>  
    <!-- 全局js -->  
    <script src="ByFrame/js/jquery.min.js?v=2.1.4"></script>  
    <script src="ByFrame/js/bootstrap.min.js?v=3.3.6"></script>  
    <script src="ByFrame/js/plugins/metisMenu/jquery.metisMenu.js"></script>  
    <script src="ByFrame/js/plugins/slimscroll/jquery.slimscroll.min.js"></script>  
    <script src="ByFrame/js/plugins/layer/layer.min.js"></script>  
    <!-- 第三方插件 -->  
    <script src="ByFrame/js/plugins/pace/pace.min.js"></script>  
    <!-- iCheck -->  
    <script src="ByFrame/js/plugins/iCheck/icheck.min.js"></script>  
    <!-- Bootstrap table -->  
    <script src="ByFrame/js/plugins/bootstrap-table/bootstrap-table.min.js"></script>  
    <script  
        src="ByFrame/js/plugins/bootstrap-table/bootstrap-table-mobile.min.js"></script>  
    <script  
        src="ByFrame/js/plugins/bootstrap-table/locale/bootstrap-table-zh-CN.min.js"></script>  
    <style>    
    .col-center-block {    
        float: none;    
        display: block;    
        margin-left: auto;    
        margin-right: auto;    
    }    
      
    .file {  
        position: relative;  
        /* display: inline-block; */  
        background: #D0EEFF;  
        border: 1px solid #99D3F5;  
        border-radius: 4px;  
        padding: 4px 12px;  
        overflow: hidden;  
        color: #1E88C7;  
        text-decoration: none;  
        text-indent: 0;  
        line-height: 20px;  
    }  
    .file input {  
        position: absolute;  
        font-size: 100px;  
        right: 0;  
        top: 0;  
        opacity: 0;  
    }  
    .file:hover {  
        background: #AADFFD;  
        border-color: #78C3F3;  
        color: #004974;  
        text-decoration: none;  
    }  
    </style>   
    <body class="gray-bg">  
        <div class="col-sm">  
            <!-- modal1-->  
            <div class="modal inmodal" id="modal1" tabindex="-1" role="dialog"  
                aria-hidden="true">  
                <div class="modal-dialog" style=" 400px">  
                    <div class="modal-content animated fadeIn">  
                        <div class="modal-header" style="padding: 10px 8px 8px 0px">  
                            <button type="button" class="close" data-dismiss="modal">  
                                <span aria-hidden="true">×</span><span class="sr-only">Close</span>  
                            </button>  
                            <h6 id="yhTitle" class="modal-title">添加广告</h6>  
                        </div>  
                        <div class="modal-body"  
                            style=" 100%; padding: 5px 0px 5px 0px">  
                            <div class="form-group row" style="text-align: center;">  
                                <label class="col-xs-1 col-sm-3 control-label">广告标题:</label>  
                                <div class="col-sm-8 ">  
                                    <input id="title" type="text" class="form-control">  
                                </div>  
                            </div>  
                            <div class="form-group row" style="text-align: center;">  
                                    <!-- 上传按钮 -->  
                                <div class="col-xs-1 col-sm-4" style="margin-left: 2%">  
                                    <a href="javascript:;" class="file">选择文件  
                                        <input type="file" name="file" id="upload-file">  
                                    </a>  
                                </div>  
                                <div class="col-sm-6" style="text-align:left;font-size: 1.9rem">  
                                    <span id="fileName"></span>  
                                </div>  
                            </div>  
                            <div class="form-group row" style="text-align: center;">  
                                <div class="col-sm-11 col-center-block" >  
                                <!-- 进度条 -->  
                                    <div class="progress">  
                                        <div id="progress" data-picUrl="" class="progress-bar "  
                                            role="progressbar" aria-valuenow="60" aria-valuemin="0"  
                                            aria-valuemax="100" style=" 0%;">  
                                            <span class="sr-only" style="position: static;"></span>  
                                        </div>  
                                    </div>  
                                </div>  
                            </div>  
                              
                        </div>  
                        <div class="modal-footer"  
                            style="lenght: 10%; padding: 5px 0px 5px 0px">  
                            <div class="text-center">  
                                <button type="button" class="btn btn-primary" onclick="uploadFile();">开始上传</button>  
                                <button type="button" class="btn btn-primary" onclick="addAdvertisement();">保存</button>  
                                <button type="button" class="btn btn-primary"  
                                    data-dismiss="modal" onclick="cancleUploadFile();">取消</button>  
                            </div>  
                        </div>  
      
                    </div>  
                </div>  
            </div>  
            <!-- modal1-->  
            <div class="ibox float-e-margins">  
                <div class="ibox-title">  
                    <div class="ibox-content">  
                        <div class="row row-lg">  
                            <div class="col-sm">  
                                <div class="example">  
                                    <!-- Example Pagination -->  
                                    <div class="example-wrap">  
                                        <div class="example">  
                                            <table id="advertisementTable">  
      
                                            </table>  
                                            <!-- 工具容器 -->  
                                            <div id="toolbar" class="btn-group">  
                                                <button id="btn_add" type="button" class="btn btn-default"  
                                                    onclick="addAdvertisementShow();">  
                                                    <span class="glyphicon glyphicon-plus" aria-hidden="true"></span>新增  
                                                </button>  
                                                <button id="btn_edit" type="button" class="btn btn-default"  
                                                    onclick="">  
                                                    <span class="glyphicon glyphicon-pencil" aria-hidden="true"></span>修改  
                                                </button>  
                                                <button id="btn_delete" type="button" class="btn btn-default">  
                                                    <span class="glyphicon glyphicon-remove" aria-hidden="true"></span>删除  
                                                </button>  
                                            </div>  
      
                                        </div>  
                                    </div>  
                                </div>  
                            </div>  
                        </div>  
                    </div>  
                </div>  
            </div>  
        </div>  
    </body>  
    <script type="text/javascript" src="js/advertisement.js"></script>  
    <script>  
    var xhr ;  
    function uploadFile(){    
        var fileObj = document.getElementById("upload-file").files[0]; // 获取文件对象    
        var FileController = "./advertisement/uploadPic"; // 接收上传文件的后台地址    
                    
        if(fileObj){    
            console.log(fileObj);    
             // FormData 对象    
                 var form = new FormData();     
                 form.append("file", fileObj);// 文件对象       
                 // XMLHttpRequest 对象    
                 xhr = new XMLHttpRequest();        
                 xhr.open("post", FileController, true);        
                 xhr.onload = function () {     
                     console.log(xhr.responseText);       
                     var d = eval("(" +xhr.responseText+ ")"); //把数据转成json    
                     //d.fileVal 后台返回的存储路径    
                     //存储到进度条(data-picUrl)自定的属性里  
                     $("#progress").attr("data-picUrl",d.fileVal)  
                 };     
                 xhr.onerror =  function(){  
                     console.log("上传失败")  
                 }; //请求失败  
                 xhr.upload.onprogress = function(evt){  
                     if (evt.lengthComputable) {//  
                          var progress = Math.round(evt.loaded / evt.total * 100) + "%";  
                          $("#progress").css("width",progress);  
                          $("#progress span").text(progress);  
                     }     
                 };  
                 xhr.upload.onloadstart = function(){//上传开始执行方法  
                     $("#fileName").text(fileObj.name);  
                 };  
                 xhr.send(form);    
        }else{    
            alert("未选择文件");    
        }    
    }    
    //取消文件上传  
    function cancleUploadFile(){  
         $("#fileName").text("");  
         $("#progress").css("width","0%");  
         $("#progress span").text("0%");  
        xhr.abort();  
    }  
        $(document).ready(function() {  
            //查询  
            initAdvertisement();  
        });  
    </script>  
    </html>
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  • 原文地址:https://www.cnblogs.com/gaogaoxingxing/p/7680453.html
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