@PathVariable注解,让spring支持参数带值功能的案例

  @RequestMapping("/users/{userid}")
  @ResponseBody
  public String getUser(@PathVariable String userid){
    return "userid=" + userid; 
  }

/**
   * 叫号
   */
  @PutMapping("/call/{checkWicket}-{checkNum}-{status}")
  public ApiReturnObject call(@PathVariable("checkWicket") String checkWicket,@PathVariable("checkNum") String checkNum,
      @PathVariable("status") String status) {
    if(StringUtils.isBlank(checkWicket) || StringUtils.isBlank(checkNum)) {
      return ApiReturnUtil.error("叫号失败,窗口号,检查者编号不能为空");
    }else {
      if(StringUtils.isBlank(status)) status ="1";
      try {
        lineService.updateCall(checkWicket,checkNum,status);
        return ApiReturnUtil.success("叫号成功");
      } catch (Exception e) {
        return ApiReturnUtil.error(e.getMessage());
      }
    }
  }

@RequestMapping(value = "preview/{fileName}", method = RequestMethod.GET)
public void previewFile(@PathVariable("fileName") String fileName, HttpServletRequest req, HttpServletResponse res) {
 officeOnlinePreviewService.previewFile(fileName, req, res);
}

@RequestMapping(value = "preview/{fileName:.+}", method = RequestMethod.GET)
public void previewFile(@PathVariable("fileName") String fileName, HttpServletRequest req, HttpServletResponse res) {
 officeOnlinePreviewService.previewFile(fileName, req, res);
}

{fileName:.+}