Spring中无法通过在url输入Controller调用控制器
最近在学习Spring,在控制器中:
@RequestMapping(value = "/urlController")
public void download(HttpServletRequest request, HttpServletResponse response) throws Exception {
String sDay = request.getParameter("startDay");
String eDay = request.getParameter("endDay");
int startDay = Integer.valueOf(sDay);
int endDay = Integer.valueOf(eDay);
String fname = "手机用户查询信息" + sDay + "-" + eDay;
OutputStream os = response.getOutputStream();// 取得输出流
response.reset();
response.setCharacterEncoding("UTF-8");// 设置相应内容的编码格式
fname = java.net.URLEncoder.encode(fname, "UTF-8");
response.setHeader("Content-Disposition", "attachment;filename="
+ new String(fname.getBytes("UTF-8"), "GBK") + ".xls");
response.setContentType("application/msexcel");// 定义输出类型
excelBuilder.createExcel(os, startDay, endDay);
}
想通过在浏览器输入http://127.0.0.1:8080/vlife-training-task/urlController下载这个文件,但是报404错误,这是为什么