Ajax 圖片上傳

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廢話不說;直接上代碼：

你懂得：

，匯入js .

<script type="text/javascript"    src="${pageContext.request.contextPath}/cmsui/javascript/jquery.js"></script><script type="text/javascript"    src="${pageContext.request.contextPath}/cmsui/ui/jquery.form.js"></script>

<form id="imgfilesupload" action="file_imgFileUpload.action"                    method="post" enctype="multipart/form-data" isclick="0">                    <input type="file" name="file" dataType="Require" msg="請選擇視頻封面圖片" />                    <button id="imgsSubmit" type="button" class="button">上傳</button>                </form>

       $("#imgsSubmit").click(function() {            imgsupload_video();        });        function imgsupload_video() {            var tf = Validator.Validate($("#imgfilesupload")[0], 2);            if (tf != true) {                return;            }                         $(this).attr("disabled","disabled");            $("#imgfilesupload").ajaxSubmit({                success : function(result) {                    var num = result.replace(/<[^>]+>/g, "");                    var msg = "成功！";                    var isclick = "1";                    if (num == "0") {                        msg = "失敗！";                        isclick = "0";                    } else if (num == "-1") {                        msg = "圖片格式不正確！";                        isclick = "0";                    }                    top.Dialog.alerts("提示", msg, function() {                        $("#imgurl").val(num);                        $("#videoimg").attr("src",num);                        $("#imgfilesupload").attr("isclick", isclick);                    });                }            });        }