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

Posted 2020-09-10 花语苑

ajaxfileupload.js

jQuery.extend({


    createUploadIframe: 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