src/org/bs/dao/impl/SupplierDaoImpl.java

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package org.bs.dao.impl;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List;
import org.bs.dao.SupplierDao;
import org.bs.model.Supplier;
import org.bs.utils.ConnContext;
import org.bs.utils.DB;
import org.bs.utils.PageContext;

public class SupplierDaoImpl extends BaseDao implements SupplierDao {
	public void save(Supplier supplier) {
		Connection conn = ConnContext.getConn();
		PreparedStatement pstmt = null;
		String sql = "insert into t_supplier (name,incharge,tel,descp) values(?,?,?,?)";
		try {
			pstmt = conn.prepareStatement(sql);
			pstmt.setString(1, supplier.getName());
			pstmt.setString(2, supplier.getIncharge());
			pstmt.setString(3, supplier.getTel());
			pstmt.setString(4, supplier.getDescp());
			pstmt.executeUpdate();
		} catch (Exception e) {
			throw new RuntimeException(e);
		} finally {
			DB.close(pstmt);
		}
	}

	public void delete(int id) {
		Connection conn = ConnContext.getConn();
		PreparedStatement pstmt = null;
		String sql = "delete from t_supplier where id =?";
		try {
			pstmt = conn.prepareStatement(sql);
			pstmt.setInt(1, id);
			pstmt.executeUpdate();
		} catch (Exception e) {
			throw new RuntimeException(e);
		} finally {
			DB.close(pstmt);
		}
	}

	public void update(Supplier supplier) {
		Connection conn = ConnContext.getConn();
		PreparedStatement pstmt = null;
		String sql = "update t_supplier set name=?,incharge=?,tel=?,descp=?"
				+ " where id = ?";
		try {
			pstmt = conn.prepareStatement(sql);
			pstmt.setString(1, supplier.getName());
			pstmt.setString(2, supplier.getIncharge());
			pstmt.setString(3, supplier.getTel());
			pstmt.setString(4, supplier.getDescp());
			pstmt.setInt(5, supplier.getId());
			pstmt.executeUpdate();