sectiondao.java

来自「java编写的论坛部分,核心部分主题及回帖部分代码」· Java 代码 · 共 53 行

package com.fit.section.demo;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

public class SectionDAO {
//连接数据库
	public Connection getConnection() {
		Connection conn = null;
		try {
			Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
			conn = DriverManager
					.getConnection(
							"jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=BBSDemo",
							"sa", "sa");
		} catch (Exception e) {
			e.printStackTrace();
		}
		return conn;
	}
//全部板块信息（包括版主名称）
	public List getAllSection() {
		List plist = new ArrayList();
		String sql = "select * from section_view ";
		Connection conn = this.getConnection();
		try {
			PreparedStatement ptmt = conn.prepareStatement(sql);
			ResultSet rst = ptmt.executeQuery();
			while (rst.next()) {
				SectionEntityBean seb = new SectionEntityBean();
				seb.setSectionId(rst.getInt("sectionid"));
				seb.setSectionName(rst.getString("sectionname"));
				seb.setSectionIntro(rst.getString("sectionintro"));
				seb.setTopicCount(rst.getInt("topiccount"));
				seb.setAllTopicCount(rst.getInt("alltopiccount"));
				seb.setVisitCount(rst.getInt("visitcount"));
				seb.setUserNike(rst.getString("usernike"));
				System.out.print("???????????????????????");
				plist.add(seb);
			}
			conn.close();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return plist;
	} 
}