level 1
yuu🌌
楼主
各位大佬好,在下一个小萌新,今天在做选定清单里的复选框后找到该行的值的时候,实行了就报错,小弟实在是不知道哪里搞错了。大佬们能帮我看看吗,万分感谢!
报错的是这个
java.lang.NullPointerExceptionspring.mvc.sample.controller.UserEditController.userupdate(UserEditController.java:35)
List<EditFormuser> editFormList =forms.getEditList();
就是这条一直报错
代码在这里,controller里面的
@RequestMapping(value = "edit",params="ini")
public String userupdate(HttpSession session, EditsFormUser forms,Model model) throws SQLException {
List<EditFormuser> editFormList =forms.getEditList();
List<EditFormuser> targetList = new ArrayList<EditFormuser>();
for(EditFormuser editFormValue : editFormList) {
if(editFormValue.isTarget()) {
targetList.add(editFormValue);
}
}
if(targetList.size()>0) {
model.addAttribute("selectUser",targetList);
}
return "userupdate";
2020年08月15日 09点08分
1
报错的是这个
java.lang.NullPointerExceptionspring.mvc.sample.controller.UserEditController.userupdate(UserEditController.java:35)
List<EditFormuser> editFormList =forms.getEditList();
就是这条一直报错
代码在这里,controller里面的
@RequestMapping(value = "edit",params="ini")
public String userupdate(HttpSession session, EditsFormUser forms,Model model) throws SQLException {
List<EditFormuser> editFormList =forms.getEditList();
List<EditFormuser> targetList = new ArrayList<EditFormuser>();
for(EditFormuser editFormValue : editFormList) {
if(editFormValue.isTarget()) {
targetList.add(editFormValue);
}
}
if(targetList.size()>0) {
model.addAttribute("selectUser",targetList);
}
return "userupdate";