?? adminerserver.java
字號:
package serives;
import java.sql.*;
import beans.AdminInfoBean;
import DbUtil.DbLink;
import beans.BookInfoBean;
import java.util.ArrayList;
import beans.BuyBookInfo;
import beans.UserBean;
public class AdminerServer {
private static String sql1 = "SELECT * FROM Adminer WHERE adminId=?";
private static String sql2 = "SELECT * FROM Adminer WHERE adminPassword=?";
private static String sql3 = "SELECT num,name,rmb FROM BookInfo";
private static String sql4 = "SELECT * FROM BookInfo WHERE num=?";
private static String sql5 =
"INSERT INTO BookInfo(num,name,rmb) VALUES(?,?,?)";
private static String sql6 = "DELETE FROM BookInfo WHERE num=?";
private static String sql7 =
"SELECT username,buybook,sumrmb,buydate FROM BuyBookInfo";
private static String sql8 =
"SELECT UserName,PassWord,Sex,Tel,Address FROM UserInfo WHERE UserName=?";
private static String sql9 =
"SELECT UserName,PassWord,Sex,Tel,Address FROM UserInfo";
private static String sql10 = "DELETE FROM UserInfo WHERE UserName=?";
private static String sql11 = "UPDATE UserInfo SET PassWord=? WHERE UserName=?";
public static boolean isSelectAdminName(AdminInfoBean bean) {
boolean flag = false;
try {
Connection con = DbLink.getConnection();
PreparedStatement prs = con.prepareStatement(sql1);
prs.setString(1, bean.getAdminId());
ResultSet rs = prs.executeQuery();
if (rs.next()) {
flag = true;
} else {
flag = false;
}
rs.close();
prs.close();
con.close();
} catch (Exception ex) {
ex.printStackTrace();
}
return flag;
}
public static boolean isSelectAdminPassword(AdminInfoBean bean) {
boolean flag = false;
try {
Connection con = DbLink.getConnection();
PreparedStatement prs = con.prepareStatement(sql2);
prs.setString(1, bean.getAdminpassword());
ResultSet rs = prs.executeQuery();
if (rs.next()) {
flag = true;
} else {
flag = false;
}
rs.close();
prs.close();
con.close();
} catch (Exception ex) {
ex.printStackTrace();
}
return flag;
}
public static ArrayList SelectBookInfo() {
ArrayList list = new ArrayList();
try {
Connection con = DbLink.getConnection();
Statement st = con.createStatement();
ResultSet rs = st.executeQuery(sql3);
while (rs.next()) {
BookInfoBean bookbean = new BookInfoBean();
bookbean.setNum(rs.getString(1));
bookbean.setName(rs.getString(2));
bookbean.setRmb(rs.getString(3));
list.add(bookbean);
}
rs.close();
st.close();
con.close();
} catch (Exception ex) {
ex.printStackTrace();
}
return list;
}
public static boolean isSelectBookNum(BookInfoBean bean) {
boolean flag = false;
try {
Connection con = DbLink.getConnection();
PreparedStatement prs = con.prepareStatement(sql4);
prs.setString(1, bean.getNum());
ResultSet rs = prs.executeQuery();
if (rs.next()) {
flag = true;
} else {
flag = false;
}
rs.close();
prs.close();
con.close();
} catch (Exception ex) {
ex.printStackTrace();
}
return flag;
}
public static void insretBookInfo(BookInfoBean bean) {
try {
Connection con = DbLink.getConnection();
PreparedStatement prs = con.prepareStatement(sql5);
prs.setString(1, bean.getNum());
prs.setString(2, bean.getName());
prs.setString(3, bean.getRmb());
prs.executeUpdate();
prs.close();
con.close();
} catch (Exception ex) {
ex.printStackTrace();
}
}
public static void deleteBookInfo(BookInfoBean bean) {
try {
Connection con = DbLink.getConnection();
PreparedStatement prs = con.prepareStatement(sql6);
prs.setString(1, bean.getNum());
prs.executeUpdate();
prs.close();
con.close();
} catch (Exception ex) {
ex.printStackTrace();
}
}
public static ArrayList SelectBuyInfo() {
ArrayList list = new ArrayList();
try {
Connection con = DbLink.getConnection();
Statement st = con.createStatement();
ResultSet rs = st.executeQuery(sql7);
while (rs.next()) {
BuyBookInfo bean = new BuyBookInfo();
bean.setUsername(rs.getString(1));
bean.setBuybook(rs.getString(2));
bean.setSumrmb(rs.getString(3));
bean.setBuydate(rs.getString(4));
list.add(bean);
}
rs.close();
st.close();
con.close();
} catch (Exception ex) {
ex.printStackTrace();
}
return list;
}
public static ArrayList SelecUserInfo(String name) {
ArrayList list = new ArrayList();
try {
Connection con = DbLink.getConnection();
PreparedStatement prs = con.prepareStatement(sql8);
prs.setString(1, name);
ResultSet rs = prs.executeQuery();
while (rs.next()) {
UserBean bean = new UserBean();
bean.setUsername(rs.getString(1));
bean.setUserpassword(rs.getString(2));
bean.setSex(rs.getString(3));
bean.setTel(rs.getString(4));
bean.setAddress(rs.getString(5));
list.add(bean);
}
rs.close();
prs.close();
con.close();
} catch (Exception ex) {
ex.printStackTrace();
}
return list;
}
public static ArrayList SelectUser() {
ArrayList list = new ArrayList();
try {
Connection con = DbLink.getConnection();
Statement st = con.createStatement();
ResultSet rs = st.executeQuery(sql9);
while (rs.next()) {
UserBean bean = new UserBean();
bean.setUsername(rs.getString(1));
bean.setUserpassword(rs.getString(2));
bean.setSex(rs.getString(3));
bean.setTel(rs.getString(4));
bean.setAddress(rs.getString(5));
list.add(bean);
}
rs.close();
st.close();
con.close();
} catch (Exception ex) {
ex.printStackTrace();
}
return list;
}
public static void deleteUser(UserBean bean) {
try {
Connection con = DbLink.getConnection();
PreparedStatement prs = con.prepareStatement(sql10);
prs.setString(1, bean.getUsername());
prs.executeUpdate();
prs.close();
con.close();
} catch (Exception ex) {
ex.printStackTrace();
}
}
public static void updateUserPassWord(UserBean bean){
try {
Connection con = DbLink.getConnection();
PreparedStatement prs = con.prepareStatement(sql11);
prs.setString(1,bean.getUserpassword());
prs.setString(2,bean.getUsername());
prs.executeUpdate();
prs.close();
con.close();
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
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