weixin_45907018的博客

前端js错误

spring设置自动注入顺序dao->service->actionPersonAction中@Autowired public void setPersonService(PersonService personService) { this.personService = personService; }java.lang.NullPointerException com.edu.action.PersonAction.insert(PersonAction.java:

spring 整合struts遇到的问题严重: Exception occurred during processing request: Unable to instantiate Action, com.edu.action.PersonAction, defined for 'person_save' in namespace '/'Error creating bean with name 'com.edu.action.PersonAction': Injection of autowired

问题描述新建eclipse项目运行不了jsp控制台报错如图ERROR StatusLogger No log4j2 configuration file found. Using default configuration: logging only errors to the console.09:04:55.281 [localhost-startStop-1] ERROR org.apache.struts2.dispatcher.Dispatcher - Dispatcher initia

在子类中赋值父类中的私有成员#include<iostream>#include<cstring>using namespace std;class person{ public: void set_p(string n,int a,string s){name=n;age=a;sex=s;} void display_p() ...

要求定义一个Book类，在int main中，要求创建一个图书对象，并对该图书进行简单的显示、借阅、归还管理。#include<iostream>#include<cstring>using namespace std;class Book{public: static int number; Book(char a,double b); ...