Spring MVC的&放大器; DWR - 需要帮助实施进度栏上传文件放大器、进度、栏上、文件

2023-09-10 16:59:02 作者:不认输

我得到的Spring MVC 3,工作正常经典的多部分形式:我可以上传文件,带2个参数(名称和说明)控制器。 我的控制得到MultipartFile文件和参数,并把数据库与DAO类。

我的目标:只需添加到我的形式的进度栏上传文件!

谁能帮助我,告诉我不同​​的步骤做。 我preFER做它DWR如果可能的话,露出ProgressListener方法。 (实施ProgressListener为MultipartResolver,JavaScript来添加到我的表格)

任何帮助,将鸭preciate!

下面是我的形式:(ajoutDocumentRapport.jsp)

 <形式:形式方法=邮报行动=save.html的CommandName =documentFormBeanENCTYPE =的multipart / form-data的>
<输入类型=隐藏名称=油库值=$ {depot.id}/>
<表>
&其中; TR>
    < TD><形式:标签路径=名与GT;文件&LT的名称; /形式:标签>< / TD>
    < TD><形式:输入路径=名/>< / TD>
    < TD><形式:错误路径=名的CssClass =错误/>< / TD>
< / TR>
&其中; TR>
    < TD><形式:标签路径=描述>文件&LT的说明; /形式:标签>< / TD>
    < TD><形式:文本路径=说明/>< / TD>
    < TD><形式:错误路径=说明的CssClass =错误/>< / TD>
< / TR>
&其中; TR>
    < TD><形式:标签路径=内容>文件< /形式:标签>< / TD>
    < TD><输入类型=文件名称=文件ID =文件>< /输入>< / TD>
< / TR>
&其中; TR>
    &所述; TD列跨度=2>
        <输入类型=提交值=添加文件。/>
    < / TD>
< / TR>
< /表>
< /形式:形式GT;
 

这里是我的控制器:

  @RequestMapping(值=/保存,方法= RequestMethod.POST)
    公共ModelAndView的保存(HttpServletRequest的要求,
        @Valid DocumentFormBean documentFormBean,BindingResult结果,
        @RequestParam(文件)MultipartFile文件){
    地图<字符串,对象>图=新的HashMap<字符串,对象>();

    map.put(documentFormBean,新DocumentFormBean());
    map.put(documentList,documentDao.findAllForaDepot(的Long.parseLong((字符串)的request.getParameter(库))));
    map.put(油库,depotDao.find(的Long.parseLong((字符串)的request.getParameter(库))));

    如果(result.hasErrors()){
        map.put(错误,结果);
        返回新的ModelAndView(ajoutDocumentsRapport,映射);
    } 其他{

    尝试 {
        一滴一滴= Hibernate.createBlob(file.getInputStream());
        文档新建文档=新的文件();
        newDocument.setTitle(documentFormBean.getName());
        newDocument.setDescription(documentFormBean.getDescription());
        newDocument.setFilename(documentFormBean.getName());
        newDocument.setContentType(file.getContentType());
        newDocument.setFilename(file.getOriginalFilename());
        newDocument.setContent(BLOB);
        newDocument.setDepot(depotDao.find(的Long.parseLong((字符串)的request.getParameter(库))));
        documentDao.save(新建文档);
        map.put(documentList,documentDao.findAllForaDepot(的Long.parseLong((字符串)的request.getParameter(库))));
        }赶上(IOException异常E){
        e.printStackTrace();
    }

    返回新的ModelAndView(ajoutDocumentsRapport,映射);
    }
}
 
SpringMVC 初识SpringMVC

解决方案

确认这个解决方案,我用: 使用Spring MVC 3.1和jQuery,使其工作

的http://abambenjamin.blogspot.mx/2012/04/ajax-jquery-html5-progressbar-spring.html

I got a classic multipart form with spring mvc 3 which works fine : I can upload a file to a controller with 2 parameters ( name and description). My controller get the MultipartFile file and parameters, and put in database with DAO classes.

My Goal : just add to my form a progress bar while uploading the file !

Can anyone help me by telling me different steps to do. I prefer do it with DWR if possible to expose the ProgressListener method. (implement a ProgressListener for for MultipartResolver ,javascript to add to my form)

Any help Would Be Appreciate!

Here is my form : ( ajoutDocumentRapport.jsp)

<form:form method="post" action="save.html" commandName="documentFormBean" enctype="multipart/form-data">
<input type="hidden" name="depot" value="${depot.id}"/>
<table>
<tr>
    <td><form:label path="name">Name of file</form:label></td>
    <td><form:input path="name" /></td> 
    <td><form:errors path="name" cssClass="error"/></td>
</tr>
<tr>
    <td><form:label path="description">Description of file</form:label></td>
    <td><form:textarea path="description" /></td>
    <td><form:errors path="description" cssClass="error"/></td>
</tr>
<tr>
    <td><form:label path="content">Document</form:label></td>
    <td><input type="file" name="file" id="file"></input></td>
</tr>
<tr>
    <td colspan="2">
        <input type="submit" value="add Document."/>
    </td>
</tr>
</table>    
</form:form>

And here is my controller :

@RequestMapping(value = "/save", method = RequestMethod.POST)
    public ModelAndView save(HttpServletRequest request,
        @Valid DocumentFormBean documentFormBean,BindingResult result,
        @RequestParam("file") MultipartFile file) {
    Map<String,Object> map = new HashMap<String, Object>();

    map.put("documentFormBean", new DocumentFormBean());
    map.put("documentList",documentDao.findAllForaDepot(Long.parseLong((String) request.getParameter("depot"))));
    map.put("depot", depotDao.find(Long.parseLong((String) request.getParameter("depot"))));

    if (result.hasErrors()) {
        map.put("errors", result);
        return new ModelAndView("ajoutDocumentsRapport", map);
    } else{

    try {
        Blob blob = Hibernate.createBlob(file.getInputStream());
        Document newDocument = new Document();
        newDocument.setTitle(documentFormBean.getName());
        newDocument.setDescription(documentFormBean.getDescription());
        newDocument.setFilename(documentFormBean.getName());
        newDocument.setContentType(file.getContentType());
        newDocument.setFilename(file.getOriginalFilename());
        newDocument.setContent(blob);
        newDocument.setDepot(depotDao.find(Long.parseLong((String) request.getParameter("depot"))));
        documentDao.save(newDocument);
        map.put("documentList",     documentDao.findAllForaDepot(Long.parseLong((String) request.getParameter("depot"))));
        } catch (IOException e) {
        e.printStackTrace();
    }

    return new ModelAndView("ajoutDocumentsRapport",map);
    }
}

解决方案

Check this solution that I use: Use Spring MVC 3.1 and JQuery to make it work

http://abambenjamin.blogspot.mx/2012/04/ajax-jquery-html5-progressbar-spring.html