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js上传文件带参数,并且,返回给前台文件路径,解析上传的xml文件,存储到数据库中

时间:2021-07-01 10:21:17 帮助过:18人阅读

function(id, uri) { //create frame var frameId = ‘jUploadFrame‘ + id; if(window.ActiveXObject) { var io = document.createElement(‘<iframe id="‘ + frameId + ‘" name="‘ + frameId + ‘" />‘); if(typeof uri== ‘boolean‘){ io.src = ‘javascript:false‘; } else if(typeof uri== ‘string‘){ io.src = uri; } } else { var io = document.createElement(‘iframe‘); io.id = frameId; io.name = frameId; } io.style.position = ‘absolute‘; io.style.top = ‘-1000px‘; io.style.left = ‘-1000px‘; document.body.appendChild(io); return io }, createUploadForm: function(id, fileElementId) { //create form var formId = ‘jUploadForm‘ + id; var fileId = ‘jUploadFile‘ + id; var form = $(‘<form action="" method="POST" name="‘ + formId + ‘" id="‘ + formId + ‘" enctype="multipart/form-data"></form>‘); var oldElement = $(‘#‘ + fileElementId); var newElement = $(oldElement).clone(); $(oldElement).attr(‘id‘, fileId); $(oldElement).before(newElement); $(oldElement).appendTo(form); //set attributes $(form).css(‘position‘, ‘absolute‘); $(form).css(‘top‘, ‘-1200px‘); $(form).css(‘left‘, ‘-1200px‘); $(form).appendTo(‘body‘); return form; }, addOtherRequestsToForm: function(form,data) { // add extra parameter var originalElement = $(‘<input type="hidden" name="" value="">‘); for (var key in data) { name = key; value = data[key]; var cloneElement = originalElement.clone(); cloneElement.attr({‘name‘:name,‘value‘:value}); $(cloneElement).appendTo(form); } return form; }, ajaxFileUpload: function(s) { // TODO introduce global settings, allowing the client to modify them for all requests, not only timeout s = jQuery.extend({}, jQuery.ajaxSettings, s); var id = new Date().getTime() var form = jQuery.createUploadForm(id, s.fileElementId); if ( s.data ) form = jQuery.addOtherRequestsToForm(form,s.data); var io = jQuery.createUploadIframe(id, s.secureuri); var frameId = ‘jUploadFrame‘ + id; var formId = ‘jUploadForm‘ + id; // Watch for a new set of requests if ( s.global && ! jQuery.active++ ) { jQuery.event.trigger( "ajaxStart" ); } var requestDone = false; // Create the request object var xml = {} if ( s.global ) jQuery.event.trigger("ajaxSend", [xml, s]); // Wait for a response to come back var uploadCallback = function(isTimeout) { var io = document.getElementById(frameId); try { if(io.contentWindow) { xml.responseText = io.contentWindow.document.body?io.contentWindow.document.body.innerHTML:null; xml.responseXML = io.contentWindow.document.XMLDocument?io.contentWindow.document.XMLDocument:io.contentWindow.document; }else if(io.contentDocument) { xml.responseText = io.contentDocument.document.body?io.contentDocument.document.body.innerHTML:null; xml.responseXML = io.contentDocument.document.XMLDocument?io.contentDocument.document.XMLDocument:io.contentDocument.document; } }catch(e) { jQuery.handleError(s, xml, null, e); } if ( xml || isTimeout == "timeout") { requestDone = true; var status; try { status = isTimeout != "timeout" ? "success" : "error"; // Make sure that the request was successful or notmodified if ( status != "error" ) { // process the data (runs the xml through httpData regardless of callback) var data = jQuery.uploadHttpData( xml, s.dataType ); // If a local callback was specified, fire it and pass it the data if ( s.success ) s.success( data, status ); // Fire the global callback if( s.global ) jQuery.event.trigger( "ajaxSuccess", [xml, s] ); } else jQuery.handleError(s, xml, status); } catch(e) { status = "error"; jQuery.handleError(s, xml, status, e); } // The request was completed if( s.global ) jQuery.event.trigger( "ajaxComplete", [xml, s] ); // Handle the global AJAX counter if ( s.global && ! --jQuery.active ) jQuery.event.trigger( "ajaxStop" ); // Process result if ( s.complete ) s.complete(xml, status); jQuery(io).unbind() setTimeout(function() { try { $(io).remove(); $(form).remove(); } catch(e) { jQuery.handleError(s, xml, null, e); } }, 100) xml = null } } // Timeout checker if ( s.timeout > 0 ) { setTimeout(function(){ // Check to see if the request is still happening if( !requestDone ) uploadCallback( "timeout" ); }, s.timeout); } try { // var io = $(‘#‘ + frameId); var form = $(‘#‘ + formId); $(form).attr(‘action‘, s.url); $(form).attr(‘method‘, ‘POST‘); $(form).attr(‘target‘, frameId); if(form.encoding) { form.encoding = ‘multipart/form-data‘; } else { form.enctype = ‘multipart/form-data‘; } $(form).submit(); } catch(e) { jQuery.handleError(s, xml, null, e); } if(window.attachEvent){ document.getElementById(frameId).attachEvent(‘onload‘, uploadCallback); } else{ document.getElementById(frameId).addEventListener(‘load‘, uploadCallback, false); } return {abort: function () {}}; }, uploadHttpData: function( r, type ) { var data = !type; data = type == "xml" || data ? r.responseXML : r.responseText; // If the type is "script", eval it in global context if ( type == "script" ) jQuery.globalEval( data ); // Get the JavaScript object, if JSON is used. if ( type == "json" ) { // If you add mimetype in your response, // you have to delete the ‘<pre></pre>‘ tag. // The pre tag in Chrome has attribute, so have to use regex to remove var data = r.responseText; var rx = new RegExp("<pre.*?>(.*?)</pre>","i"); var am = rx.exec(data); //this is the desired data extracted var data = (am) ? am[1] : ""; //the only submatch or empty eval( "data = " + data ); } // evaluate scripts within html if ( type == "html" ) jQuery("<div>").html(data).evalScripts(); //alert($(‘param‘, data).each(function(){alert($(this).attr(‘value‘));})); if ( type == "application/json"){ var data = r.responseText; data = jQuery.parseJSON(jQuery(data).text()) } return data; } })

jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt"%>
<%
    String path = request.getContextPath();
    String basePath = request.getScheme() + "://"
            + request.getServerName() + ":" + request.getServerPort()
            + path + "/";
%>
<!DOCTYPE>
<html>
<head>
<base href="<%=basePath%>">
<title>北斗救援平台</title>
<jsp:include page="common/head.jsp"/>
<link href="static/page/style/grzx.css" rel="stylesheet" type="text/css">
</head>

<body>

<div id="columnbanner"><img src="static/page/images/grzx/banner.jpg"></div>

<div id="mainbox">
    <jsp:include page="common/grzx_navigation.jsp"></jsp:include>
  <div id="rightbox">
         <div id="big_title">
            <p>首页 · 帮助中心 · 栏目名称</p>
            我的轨迹
    </div>
         <div id="grzx_wdgj">
      <table width="100%" border="0" cellspacing="0" cellpadding="0">
          <thead>
          <tr>
            <td width="60" align="center">编号</td>
            <td>轨迹名称</td>
            <td width="120" align="center">&nbsp;</td>
            <td width="100" align="center">操作</td>
          </tr>                                                                                                              
         </thead>
         <tbody id="content">
          
          </tbody>
        </table>

      </div>
         <div id="big_title">新增轨迹</div>
      <div id="grzx_wdzl" style="border:1px solid #ccc;border-top:none; padding:20px; background:#f9f9f9;">
            <table style="margin:0px;">
              <tr>
                <td valign="top">轨迹名称:</td>
                <td><input type="text" name="NAME" id="NAME" style="width:250px;"></td>
              </tr>
              <tr>
                <td valign="top">上传附件:</td>
                <td><input type="file" name="upfile" id="file2" style="width:250px;"></td>
              </tr>
              <tr>
                <td valign="top">&nbsp;</td>
                <td><button type="submit" onclick="getupfilerul();">确认保存</button></td>
              </tr>
            </table>

    </div>      
      
  </div>
  <div class="clear"></div>
</div>

<jsp:include page="common/foot.jsp"></jsp:include>
</body>
<script type="text/javascript" src="static/js/ajaxfileupload.js"></script>
<link href="static/page/script/colorbox/example4/colorbox.css" rel="stylesheet" type="text/css" />
<script src="static/page/script/colorbox/colorbox/jquery.colorbo.proadmin.js"></script>
<script type="text/javascript">
//基本接口-获取文件上传url
function getupfilerul(){
    $.ajaxFileUpload({
        url:usertrail/canupload,
        fileElementId:file2,
        data:{NAME:$("#NAME").val()},
        //dataType:‘json‘,
        dataType:application/json,
        success:function(data,status){
            if(status=="success"){
                location.reload();
            }
        },
        error:function(data,status,e){
            alert(e);
        }
    });
}
//删除文件
function deleteTrail(obj){
    $.post(usertrail/candeleteTrail,{USERTRAIL_ID:obj},function(data){
        if(!data.status){
            alert(data.message);
            return;
        }
        location.reload();
    });
}
//生成轨迹图
function toguiji(id){
    $(".tyj").colorbox({innerWidth:800, title :我的地址, href:bdjy/grzx_gjxx?c=+id , innerHeight:600, iframe:true, escKey:false, overlayClose:false});
}
$(function(){
    $.post(usertrail/canfindByUserId,function(data){
        if(!data.status){
            alert(data.message);
            return;
        }
        var str=‘‘;
        for(var i=0;i<data.data.length;i++){
            str+=<tr>
                +<td align="center">01</td>
                +<td><span>+data.data[i].NAME+</span></td>
                +<td align="center"><a class="tyj" onclick="toguiji(\‘+data.data[i].USERTRAIL_ID+\‘)">生成轨迹图</a></td>
                +<td align="center"><a class="ckxx" href="javascript:void(0)" onclick="deleteTrail(\‘+data.data[i].USERTRAIL_ID+\‘)">删除</a></td>
                +</tr>;
        }
        $(#content).html(str);
    });
});
</script>
</html>

java

/**
     * 描述:上传文件,解析文件,存到数据库中,并且返回前台文件路径
     * @param file
     * @return 文件地址
     */
    @RequestMapping(value="canupload",method=RequestMethod.POST)
    @ResponseBody
    public Object uploadimg(@RequestParam("upfile") MultipartFile file,
            @RequestParam("NAME") String NAME,HttpServletRequest request){
        String  ffile = DateUtil.getDays(), fileName = "";
        Map<String, Object> map = new HashMap<String, Object>();
        Map<String, Object> guijimap = new HashMap<String, Object>();
        PageData pd = new PageData();
        pd = this.getPageData();
        if (null != file && !file.isEmpty()) {
            String filePath = PathUtil.getClasspath()+Const.CAROUSEL +ffile;
            fileName = FileUpload.fileUp(file, filePath, this.get32UUID());
            map.put("url", ffile + "/" +fileName);
            
            //解析gpx
            Element element = null;
            CommonsMultipartFile cf= (CommonsMultipartFile)file; 
            DiskFileItem fi = (DiskFileItem)cf.getFileItem(); 
            File f = fi.getStoreLocation();
            // 可以使用绝对路劲
//            File f = new File("test.xml"); 
            // documentBuilder为抽象不能直接实例化(将XML文件转换为DOM文件)
            DocumentBuilder db = null;
            DocumentBuilderFactory dbf = null;
            String jingdu = "";
            String weidu = "";
            try {
                // 返回documentBuilderFactory对象
                dbf = DocumentBuilderFactory.newInstance();
                // 返回db对象用documentBuilderFatory对象获得返回documentBuildr对象
                db = dbf.newDocumentBuilder(); 
                // 得到一个DOM并返回给document对象
                Document dt = db.parse(f);
                // 得到一个elment根元素
                element = dt.getDocumentElement();
                // 获得根节点gpx
                System.out.println("根元素:" + element.getNodeName()); 
                // 获得根元素下的子节点trk
                NodeList childNodes = element.getChildNodes(); 
                // 遍历这些子节点
                for (int i = 0; i < childNodes.getLength(); i++) {
                    // 获得每个对应位置i的结点
                    Node node1 = childNodes.item(i);
                    if ("trk".equals(node1.getNodeName())) {
                        // 如果节点的名称为"trk",则遍历trk下的子节点
                        NodeList childNodes2 = node1.getChildNodes(); 
                        
                        for (int m = 0; m < childNodes2.getLength(); m++) {
                            // 获得每个对应位置i的结点
                            Node node2 = childNodes2.item(m);
                            if ("trkseg".equals(node2.getNodeName())) {
                                // 如果节点的名称为"trkseg",则遍历trk下的子节点
                                NodeList childNodes3 = node2.getChildNodes(); 
                                for (int z = 0; z < childNodes3.getLength(); z++) {
                                    // 获得每个对应位置i的结点
                                    Node node3 = childNodes3.item(z);
                                    if ("trkpt".equals(node3.getNodeName())){
                                        //经度
                                        //System.out.println(node3.getAttributes().getNamedItem("lat").getNodeValue());
                                        jingdu+=","+node3.getAttributes().getNamedItem("lat").getNodeValue();
                                        //维度
                                        //System.out.println(node3.getAttributes().getNamedItem("lon").getNodeValue());
                                        weidu+=","+node3.getAttributes().getNamedItem("lon").getNodeValue();
//                                        guijimap.put(node3.getAttributes().getNamedItem("lat").getNodeValue(), node3.getAttributes().getNamedItem("lon").getNodeValue());
                                    } 
                                }
                            } 
                        }
                    }
                }
                jingdu = jingdu.substring(1);
                weidu = weidu.substring(1);
                guijimap.put("lat", jingdu);
                guijimap.put("lon", weidu);
                if(StringUtils.isBlank(NAME)){
                    NAME = "";
                }
                Session session = Jurisdiction.getSession();
                PageData bduser = (PageData) session.getAttribute("bduser");
                pd.put("USERID", bduser.getString("BDUSER_ID"));
                pd.put("NAME", NAME);
                pd.put("TRAIL", JSONObject.fromObject(guijimap)+"");
                pd.put("USERTRAIL_ID", this.get32UUID());    //主键
                pd.put("CREATEON", Tools.date2Str(new Date()));
                //根据名称去数据库查询,有则修改,没有新增
                List<PageData> listUserTrail = usertrailService.findByName(pd);
                if(listUserTrail!=null &&listUserTrail.size()>0){
                    usertrailService.edittrail(pd);
                }else{
                    //新增名称,经度维度到数据库中
                    usertrailService.save(pd);
                }
            }catch (Exception e) {
               e.printStackTrace();
            }
        }else{
            map.put("url", "");
        }
        return AppUtil.returnObject(pd, map);
    }

实现了,js上传文件带参数,并且,返回给前台文件路径,解析上传的xml文件,存储到数据库中

js上传文件带参数,并且,返回给前台文件路径,解析上传的xml文件,存储到数据库中

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