SSM Spring整合 分页查询报错

Question

Error creating bean with name 'sqlSessionFactory' defined in class path resource [spring-dao.xml]: Cannot create inner bean 'com.github.pagehelper.PageHelper#7bdd3627' of type [com.github.pagehelper.PageHelper] while setting bean property 'plugins' with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.github.pagehelper.PageHelper#7bdd3627' defined in class path resource [spring-dao.xml]: Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'properties' of bean class [com.github.pagehelper.PageHelper]: Bean property 'properties' is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter?
不知道咋搞了

Answer 1

建议 看看这篇文章 https://blog.csdn.net/Inmaturity_7/article/details/107870151

Answer 2

分页的pager对象的set方法报错，是否前端返回的值有问题。

Answer 3

建议后端这样写

public PageInfo<User>   loadAllUser(Integer pageNum, Integer pageSize){
  PageHelper.startPage(pageNum, pageSize);  // 必须放在最前面
  List<User> allUser = userService.loadAllUser();
  PageInfo<User> pageInfo = new PageInfo<User>(allUser);
  return pageInfo; 
}