移动端网页打开查看 pdf 文件

1.首先下载 pdf.js

2.将pdf解压，放入项目中webapp下

3.后台处理：根据url获取pdf，把数据写入到输出流

    js：

download: function (url) {
    var urls = '${contextPath}/***/open?urls='+url;
    window.location.href = "${ctxStatic}/pdf/web/viewer.html?file="+encodeURIComponent(urls);
},

    后台：

@RequestMapping(value = "/open",method = RequestMethod.GET)
public void open(String urls,HttpServletResponse response) throws IOException {
    URL httpUrl=new URL(urls);
    HttpURLConnection httpURLConnection=(HttpURLConnection) httpUrl.openConnection();
    InputStream inputStream=httpURLConnection.getInputStream();
    response.setHeader("Content-disposition", "attachment; filename=" + new String( "PDF文件名".getBytes("gb2312"), "ISO8859-1" ) );
    response.setContentType("multipart/form-data");
    OutputStream outputStream = response.getOutputStream();
    IOUtils.write(IOUtils.toByteArray(inputStream),outputStream);
}

4.调用事件，就会打开pdf了