后端print出来显示的value1先是正常数值,再变成了null是为什么?
@RequiresPermissions("msg:msgInner:view")
@RequestMapping(value = "form")
public String form(HttpServletRequest request, Model model) {
model.addAttribute("value1", request.getParameter("value1"));
System.out.println(model.addAttribute("value1", request.getParameter("value1")));
return "modules/msg/msgInnerForm";
}
前端是这样获取,控制台输出的是空白。
<script>
var data = '${value1}';
console.log(data);
</script>