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package bdqn.studentSys;/** * main类 * @author Administrator * */import java.util.*;import bdqn.studentSys.Dao.StudentDao;import bdqn.studentSys.Dao.impl.StudentDaoImpl;import bdqn.studentSys.entity.Student;public class StudentSys {	public static void main(String []args){		Scanner in=new Scanner(System.in);		//查询全部学生		getAllStudent();				//添加		System.out.println("==============添加学生信息==============");		System.out.println("请输入学生姓名：");		String name=in.next();		System.out.println("请输入学生密码：");		String pwd=in.next();		System.out.println("请输入学生年龄：");		int age=in.nextInt();		System.out.println("请输入学生性别：");		String sex=in.next();		Student stu=new Student();		stu.setName(name);		stu.setPwd(pwd);		stu.setAge(age);		stu.setSex(sex);		addStudent(stu);				//修改		System.out.println("==============修改学生信息==============");		System.out.println("请输入要修改的学生学号：");		int no=in.nextInt();		System.out.println("请输入学生姓名：");		String name1=in.next();		System.out.println("请输入学生密码：");		String pwd1=in.next();		System.out.println("请输入学生年龄：");		int age1=in.nextInt();		System.out.println("请输入学生性别：");		String sex1=in.next();		Student stu1=new Student();		stu.setName(name1);		stu.setPwd(pwd1);		stu.setAge(age1);		stu.setSex(sex1);		updateStudent(stu1);				//删除		System.out.println("==============删除学生信息==============");		System.out.println("请输入要删除的学生学号：");		int no1=in.nextInt();		delStudent(no1);	}	static StudentDao sdao=new StudentDaoImpl();	//查询全部学生	static void getAllStudent(){		List
   
     slist=sdao.getAllStudent();		System.out.println("姓名\t\t密码\t\t年龄\t\t性别");		for (Student stu : slist) {			System.out.print(stu.getName()+"\t\t");			System.out.print(stu.getPwd()+"\t\t");			System.out.print(stu.getAge()+"\t\t");			System.out.println(stu.getSex()+"\t\t");		}	}		//添加学生信息	static void addStudent(Student stu){		int rel=sdao.addStudent(stu);		try {			if(rel>0){				System.out.println("添加成功！");			}else{				System.out.println("添加失败！");			}		} catch (Exception e) {			System.out.println("操作异常！"+e);		}	}	//修改学生信息	static void updateStudent(Student stu){		int rel=sdao.UpdateStudent(stu);		try {			if(rel>0){				System.out.println("修改成功！");			}else{				System.out.println("添加失败！");			}		} catch (Exception e) {			// TODO: handle exception			System.out.println("操作异常"+e);		}	}	//删除学生信息	static void delStudent(int stuno){		int rel=sdao.delStudent(stuno);		try {			if(rel>0){				System.out.println("删除成功！");			}else{				System.out.println("删除失败");			}		} catch (Exception e) {			// TODO: handle exception			System.out.println("操作异常"+e);		}	}}