如何使用javascript发送文件 [英] How to send file using javascript
本文介绍了如何使用javascript发送文件的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我正在尝试制作一个上传页面，需要上传文件。我在这里使用spring框架我的查询是上传按钮我正在调用一个javascript方法，它应该使用jquery ajax将我的文件发送到控制器。有什么办法通过javascrpipt传递这个？以下是我正在尝试的代码。谢谢
i已经粘贴了我的控制器示例，我将String对象发送到控制器，同样有没有办法将文件对象发送到控制器？
I am trying to make an upload page which takes file to upload.I am using spring framework here my query is on Upload button i am calling a javascript method which should send my file to controller using jquery ajax.Is there any way to pass this through javascrpipt ? Following is the code which i am trying. Thanks
i have pasted the example of my controller where i am sending String object to controller,likewise is there any way to send file object to controller ?
<body>
<div style="text-align: center; margin-removed 60px;">
<form enctype="multipart/form-data">
Select file:
<input type="file" name="dataFile" id="fileAttachment"/><br/><br/>
<div style="text-align: center; margin-removed 100px;">
<input style="cursor: pointer;" onmouseover="" onclick="uploadAttachment()" class="dialogbox" type="submit" value="Upload Report" />
</div>
</form>
</div>
</body>
<script language="Javascript">
function uploadAttachment(){
var Name = jQuery('#Name option:selected').text();
jQuery.post('upload',{Name:Name}
function(data){
if(data==1)
alert("success");
else
alert("failed");
});
}
</script>
on controller.java page following is the code written
@RequestMapping(value = "upload", method=RequestMethod.POST)
public @ResponseBody String upload(HttpServletRequest request, HttpServletResponse response,
@RequestParam("Name") String Name){
System.out.println(Name);
}
推荐答案
您无法从JavaScript（至少在浏览器中）访问操作系统，并出于安全原因。
它包括文件系统，注册表，驱动程序等......
You can not access OS from JavaScript (in browsers at least), and that for security reasons.
It includes file system, registry, drivers and so on...
这篇关于如何使用javascript发送文件的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
查看全文
