package com.example.springboot.service;
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import java.sql.Connection;
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import java.sql.DriverManager;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.ArrayList;
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import java.util.List;
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import org.springframework.stereotype.Component;
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import com.example.springboot.entity.Glass;
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import com.example.springboot.entity.north_glass_buffer1;
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@Component
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public class JdbcConnections {
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/**
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* 数据库连接参数
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* driver,url,username,password
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*/
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private static final String DRIVER = "com.mysql.jdbc.Driver";
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private static final String URL = "jdbc:mysql://localhost:3306/canadames";
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private static final String USERNAME = "root";
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private static final String PASSWORD = "beibo.123/";
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private static Connection conn = null;
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private static PreparedStatement ps = null;
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private static ResultSet rs = null;
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public north_glass_buffer1 selectGlass(int glassid) throws SQLException {
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conn = getConn();
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north_glass_buffer1 glass=new north_glass_buffer1();
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String sql = "select ordernumber from north_glass_buffer1 where glassid=?";
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ps = conn.prepareStatement(sql);
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ps.setInt(1, glassid);
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rs= ps.executeQuery();
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while (rs.next()) {
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glass.setordernumber(rs.getString("ordernumber"));
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}
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conn.close();
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return glass;
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}
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public north_glass_buffer1 SelectGlassByGlassIdOrderIdFrameId(String glassid,String orderid,String frameid) throws SQLException {
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conn = getConn();
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north_glass_buffer1 north_glass_buffer1s=new north_glass_buffer1();
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String sql = "select * from north_glass_buffer1 where barcode=? or ordernumber=? or FrameBarcode=?";
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ps = conn.prepareStatement(sql);
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ps.setString(1, glassid);
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ps.setString(2, orderid);
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ps.setString(3, frameid);
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rs= ps.executeQuery();
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while (rs.next()) {
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north_glass_buffer1s.setId(rs.getInt("Id"));
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north_glass_buffer1s.setordernumber(rs.getString("ordernumber"));
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north_glass_buffer1s.setlistnumber(rs.getString("listnumber"));
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north_glass_buffer1s.setboxnumber(rs.getString("boxnumber"));
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north_glass_buffer1s.setbarcode(rs.getString("barcode"));
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north_glass_buffer1s.setglasslength(rs.getDouble("glasslength"));
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north_glass_buffer1s.setglassheight(rs.getDouble("glassheight"));
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north_glass_buffer1s.setglasslengthmm(rs.getDouble("glasslength_mm"));
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north_glass_buffer1s.setglassheightmm(rs.getDouble("glassheight_mm"));
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north_glass_buffer1s.setitemtype(rs.getString("itemtype"));
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north_glass_buffer1s.setslotnumber(rs.getString("slotnumber"));
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north_glass_buffer1s.setdatemodified(rs.getString("datemodified"));
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north_glass_buffer1s.setdatecreated(rs.getString("datecreated"));
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north_glass_buffer1s.setFrameBarcode(rs.getString("FrameBarcode"));
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}
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// conn.close();
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return north_glass_buffer1s;
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}
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public List<north_glass_buffer1> SelectGlassByGlassIdOrderIdFrameIds(String glassid,String orderid,String frameid) throws SQLException {
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conn = getConn();
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// north_glass_buffer1 glass=new north_glass_buffer1();
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List<north_glass_buffer1> glass=new ArrayList<north_glass_buffer1>();
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String sql = "select * from north_glass_buffer1 where barcode=? or ordernumber=? or FrameBarcode=?";
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ps = conn.prepareStatement(sql);
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ps.setString(1, glassid);
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ps.setString(2, orderid);
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ps.setString(3, frameid);
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rs= ps.executeQuery();
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while (rs.next()) {
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north_glass_buffer1 north_glass_buffer1s=new north_glass_buffer1();
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north_glass_buffer1s.setId(rs.getInt("Id"));
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north_glass_buffer1s.setordernumber(rs.getString("ordernumber"));
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north_glass_buffer1s.setlistnumber(rs.getString("listnumber"));
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north_glass_buffer1s.setboxnumber(rs.getString("boxnumber"));
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north_glass_buffer1s.setbarcode(rs.getString("barcode"));
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north_glass_buffer1s.setglasslength(rs.getDouble("glasslength"));
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north_glass_buffer1s.setglassheight(rs.getDouble("glassheight"));
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north_glass_buffer1s.setglasslengthmm(rs.getDouble("glasslength_mm"));
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north_glass_buffer1s.setglassheightmm(rs.getDouble("glassheight_mm"));
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north_glass_buffer1s.setitemtype(rs.getString("itemtype"));
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north_glass_buffer1s.setslotnumber(rs.getString("slotnumber"));
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north_glass_buffer1s.setdatemodified(rs.getString("datemodified"));
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north_glass_buffer1s.setdatecreated(rs.getString("datecreated"));
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north_glass_buffer1s.setFrameBarcode(rs.getString("FrameBarcode"));
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glass.add(north_glass_buffer1s);
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}
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// conn.close();
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return glass;
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}
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/**
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* 1. 加载驱动
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* 2. 获取连接 conn
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* 3. 创建语句 ps
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* 4. 执行语句 rs
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* 5. 处理结果
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* 6. 回收资源
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*
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* 实现CRUD
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* 更新：
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* 1增加
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* 2删除
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* 3修改
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* 查询：
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* 1. 查一个，一个对象
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* 2. 查一组，做成一个对象列表，查全部
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*/
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public static Connection getConn() throws SQLException {
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Connection conn = null;
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conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/canadames?serverTimezone=GMT%2B8&characterEncoding=utf-8", "root", "beibo.123/");
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return conn;
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}
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static {
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try {
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Class.forName(DRIVER);
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} catch (ClassNotFoundException e) {
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e.printStackTrace();
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}
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}
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}
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