student.java

毕业设计：Java成绩管理系统MSSQL版

package result;

import java.sql.*;

public class student {
	private String name;
	private String password;
	private String id;
	private String jiguan;
	private String sex;
	private String dep;

	public void setDep(String s) {
		dep = s;
	}

	public String getDep() {
		return dep;
	}

	public void setSex(String s) {
		sex = s;
	}

	public String getSex() {
		return sex;
	}

	public String getId() {
		return id;
	}

	public void setId(String id) {
		this.id = id;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getPassword() {
		return password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

	public String getJiguan() {
		return jiguan;
	}

	public void setJiguan(String jiguan) {
		this.jiguan = jiguan;
	}

	public boolean hasLogin(String id) { // 检查该学生是否已经注册
		boolean f = true;
		String sql = "select id from student where id ='" + id + "'";
		sqlBean db = new sqlBean();
		try {
			ResultSet rs = db.executeQuery(sql);
			if (rs.next()) {
				f = false;
			} else {
				f = true;
			}
		} catch (Exception e) {
			e.getMessage();
		}
		return f;
	}

	public ResultSet getStudent() {
		String sql = "select * from student   ";
		sqlBean db = new sqlBean();
		ResultSet rs = db.executeQuery(sql);
		return rs;
	}

	public void updateStudent() {

		String sql = "update student " + " set name='" + name + "',sex='" + sex
				+ "',department='" + dep + "',	 " + "password='" + password
				+ "',jiguan='" + jiguan + "'  " + " where id='" + id + "' ";
		sqlBean db = new sqlBean();
		db.executeInsert(sql);

	}

	public void deleteStudent() {

		String sql = "delete  from student where id ='" + id + "' ";
		sqlBean db = new sqlBean();
		db.executeDelete(sql);
	}

	public int deleteStudent(String id) {
		int num = 0;
		String sql = "delete  from student where id ='" + id + "' ";
		sqlBean db = new sqlBean();
		num = db.executeDelete(sql);
		return num;
	}

	public void addStudent() {
		String sql = "insert into student(name,password,id,sex,department,jiguan)  "
				+ "VALUES('"
				+ name
				+ "','"
				+ password
				+ "','"
				+ id
				+ "','"
				+ sex + "','" + dep + "','" + jiguan + "')";
		sqlBean db = new sqlBean();

		db.executeInsert(sql);
	}

}