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📄 cqyxzdaoimpl.java

📁 客户关系管理系统,包括数据库,类,所有运行所需的代码及文件
💻 JAVA
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package com.dao;

import java.util.List;
import com.tool.JDBConnection;
import java.util.ArrayList;
import java.sql.ResultSet;
import java.sql.*;
import com.domain.CqyxzForm;
import com.tool.SQLCode;

public class CqyxzDaoImpl
    implements CqyxzDao {
//查找的操作
  public List qyxzSelect() {
    JDBConnection connection = null;
    List list = new ArrayList();
    connection = new JDBConnection();
    String sql = SQLCode.getSQLCode("sql.qyxz.select");
    CqyxzForm form = null;
    ResultSet rs = null;
    try {
      rs = connection.executeQuery(sql);
      while (rs.next()) {
        form = new CqyxzForm();
        form.setQyxz_id(rs.getString(1));
        form.setQyxz_xzmc(rs.getString(2));
        form.setQyxz_bz(rs.getString(3));
        list.add(form);
      }
    }
    catch (SQLException ex) {
    }
    connection.close();
    return list;
  }

//删除的操作
  public void qyxzDelete(CqyxzForm qyxz) {
    JDBConnection connection = new JDBConnection();
    String sql = SQLCode.getSQLCode("sql.qyxz.delete");
    sql = connection.editSqlCode(sql, qyxz.getQyxz_id());
    connection.executeUpdate(sql);
    connection.close();

  }

//单独查找操作
  public CqyxzForm qyxzSelectOne(CqyxzForm qyxz) {
    JDBConnection connection = null;
    connection = new JDBConnection();
    String sql = SQLCode.getSQLCode("sql.qyxz.selectOne");
    sql = connection.editSqlCode(sql, qyxz.getQyxz_id());
    CqyxzForm form = null;
    ResultSet rs = null;
    try {
      rs = connection.executeQuery(sql);
      while (rs.next()) {
        form = new CqyxzForm();
        form.setQyxz_id(rs.getString(1));
        form.setQyxz_xzmc(rs.getString(2));
        form.setQyxz_bz(rs.getString(3));
      }
    }
    catch (SQLException ex) {
    }
    connection.close();
    return form;
  }

//修改的操作
  public void qyxzUpdate(CqyxzForm qyxz) {
    JDBConnection connection = new JDBConnection();
    String sql = SQLCode.getSQLCode("sql.qyxz.update");
    sql = connection.editSqlCode(sql, qyxz.getQyxz_xzmc());
    sql = connection.editSqlCode(sql, qyxz.getQyxz_bz());
    sql = connection.editSqlCode(sql, qyxz.getQyxz_id());
    connection.executeUpdate(sql);
    connection.close();
  }

//以数据库中的记录数,查找出多少记录计算,以便做帐号存贮
  public int qyxzCount() {
    int iCount = 0;
    JDBConnection connection = new JDBConnection();
    String sql = SQLCode.getSQLCode("sql.qyxz.count");
    ResultSet rs = null;
    try {
      rs = connection.executeQuery(sql);
      while (rs.next()) {
        CqyxzForm form = new CqyxzForm();
        iCount = rs.getInt("t");
      }
    }
    catch (SQLException ex) {
    }
    connection.close();
    return iCount+1;
  }

//插入的操作
  public void qyxzInsert(CqyxzForm qyxz) {
    JDBConnection connection = new JDBConnection();
    String sql = SQLCode.getSQLCode("sql.qyxz.insert");
    sql = connection.editSqlCode(sql, qyxz.getQyxz_id());
    sql = connection.editSqlCode(sql, qyxz.getQyxz_xzmc());
    sql = connection.editSqlCode(sql, qyxz.getQyxz_bz());
    connection.executeUpdate(sql);
    connection.close();
  }
}

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