dididaikeJdbcUtil备份

Posted 2020-10-13

  1 package Util;
  2 
  3 import java.io.FileInputStream;
  4 import java.io.FileNotFoundException;
  5 import java.io.IOException;
  6 import java.sql.Connection;
  7 import java.sql.DriverManager;
  8 import java.sql.PreparedStatement;
  9 import java.sql.ResultSet;
 10 import java.sql.SQLException;
 11 import java.sql.Timestamp;
 12 import java.util.Properties;
 13 
 14 public class JdbcUtil {
 15     
 16     static Properties pros=null;
 17     static Connection con=null;
 18     static ResultSet rs=null;
 19     static PreparedStatement psSQL=null;
 20     
 21     static {
 22         pros =new Properties();
 23         try {    
 24             pros.load(Thread.currentThread().getContextClassLoader().getResourceAsStream("db.properties"));
 25         } catch (IOException e) {
 26             e.printStackTrace();
 27         }
 28     }
 29     
 30     private JdbcUtil() {
 31         
 32     }
 33     
 34     public static Connection getmysqlConnection() {
 35         try {
 36             Class.forName(pros.getProperty("conPackage"));
 37             con=DriverManager.getConnection(pros.getProperty("url"),pros.getProperty("user"),pros.getProperty("pwd"));
 38             return con;
 39         } catch (SQLException e) {
 40                 e.printStackTrace();
 41                 return null;
 42         }catch (ClassNotFoundException e) {
 43             e.printStackTrace();
 44             return null;
 45         }
 46     }
 47     
 48     public static boolean insertuser(String phone,String pwd ){
 49         try {
 50             psSQL=con.prepareStatement("SELECT * FROM USER WHERE PHONE = ?");
 51             psSQL.setObject(1, phone);
 52             rs=psSQL.executeQuery();
 53             if(rs.next()) {                                                                                
 54                 return false;
 55             }else {
 56                 psSQL=con.prepareStatement("INSERT INTO USER (PHONE,PWD) VALUE (?,?)");
 57                 psSQL.setString(1, phone);
 58                 psSQL.setString(2, pwd);
 59                 psSQL.execute();
 60                 return true;
 61             }
 62         } catch (SQLException e) {
 63             e.printStackTrace();
 64             return false;
 65         }
 66     }
 67     
 68     
 69     public static boolean register(String phone ,String pwd) {
 70         try {
 71             PreparedStatement psSQL =con.prepareStatement("SELECT * FROM USER WHERE PHONE = ? AND PWD= ?");
 72             psSQL.setString(1, phone);
 73             psSQL.setString(2, pwd);
 74             rs=psSQL.executeQuery();
 75             if(rs.next()) {
 76                 return true;
 77             }else {
 78                 return false;
 79             }
 80         } catch (SQLException e) {
 81             e.printStackTrace();
 82             return false;
 83         }
 84     }
 85     
 86     public static boolean updateDetail(String phone,String nickname,String number,char sex,String name,String path) {
 87         try {
 88             psSQL =con.prepareStatement("UPDATE USER SET NICKNAME=? ,NUMBER =? ,SEX= ?, NAME=? ,PATH=? WHERE PHONE =?");
 89             psSQL.setString(1, nickname);
 90             psSQL.setString(2, number);
 91             byte intsex;
 92             if(sex==‘男‘) {
 93                 intsex=1;
 94             }else {
 95                 intsex=0;
 96             }
 97             psSQL.setObject(3, intsex);
 98             psSQL.setString(4, name);
 99             psSQL.setString(5, path);
100             psSQL.setString(6, phone);
101             psSQL.execute();
102             return true;
103         } catch (SQLException e) {
104             e.printStackTrace();
105             return false;
106         }
107     }
108     
109     public static boolean addIcon(String phone,String  imagePath) {
110         try {
111             psSQL=con.prepareStatement("update user set icon=? where phone=?");
112             psSQL.setBlob(1, new FileInputStream(imagePath));
113             psSQL.setString(2, phone);
114             psSQL.execute();
115             return true;
116         } catch (FileNotFoundException e) {
117             e.printStackTrace();
118             return false;
119         } catch (SQLException e) {
120             e.printStackTrace();
121             return false;
122         }
123     }
124 
125     public static boolean addDeal(String phone ,long time,String address,String goClass,String why,String teacher) {
126         try {
127             psSQL =con.prepareStatement("INSERT INTO DAIKE (PHONE,TIME,ADDRESS,CLASS,WHY,TEACHER) VALUE (?,?,?,?,?,?)");
128             psSQL.setString(1, phone);
129             Timestamp timeStamp=new Timestamp(time);
130             psSQL.setTimestamp(2, timeStamp);
131             psSQL.setString(3,address);
132             psSQL.setString(4, goClass);
133             psSQL.setString(5, why);
134             psSQL.setString(6, teacher);
135             psSQL.execute();
136             return true;
137         } catch (SQLException e) {
138             e.printStackTrace();
139             return false;
140         }
141     }
142     
143     public static ResultSet getDealList(String phone) {
144         try {
145             psSQL=con.prepareStatement("select * from daike where phone =?");
146             psSQL.setString(1, phone);
147             return psSQL.executeQuery();
148         } catch (SQLException e) {
149             e.printStackTrace();
150             return null;
151         }
152     }
153     
154     public static void close() {
155         try {
156             if(rs!=null) {
157                 rs.close();
158             }
159         } catch (SQLException e) {
160             e.printStackTrace();
161         }
162         try {
163             if(psSQL!=null) {
164                 psSQL.close();
165             }
166         } catch (SQLException e) {
167             e.printStackTrace();
168         }
169         try {
170             if(con!=null) {
171                 con.close();
172             }
173         } catch (SQLException e) {
174             e.printStackTrace();
175         }
176     }
177     
178 
179 }

JdbcUtil

1 url:jdbc:mysql://localhost:3306/didi?useUnicode=true&characterEncoding=utf-8&useSSL=false
2 user:root
3 pwd:123456
4 conPackage:com.mysql.jdbc.Driver
5 userTable:user

db.properties