2021-03-03

曾经终败给现在 2022-11-04 14:23 145阅读 0赞

package com.cyber.jdbc;
    
    import java.sql.*;
    import java.util.ArrayList;
    import java.util.Iterator;
    import java.util.List;
    import java.util.UUID;
    
    /**
     * Author liumz
     * Date 2021/3/2 21:20
     * DESC
     */
    public class Insert2Oracle {
        private static String url = "jdbc:oracle:thin:@localhost:1521:orcl";
        private static String userName = "scott";
        private static String passWord = "tiger";
        private static String driverName = "oracle.jdbc.OracleDriver";
    
        static{
            try {
                Class.forName(driverName);
            } catch (ClassNotFoundException e) {
                e.printStackTrace();
            }
        }
    
        public static int execUpdate(String sql, Object[] params){
            int rlines = 0;
            Connection conn = null;
            PreparedStatement ps = null;
    
            try {
                conn = DriverManager.getConnection(url, userName, passWord);
                conn.setAutoCommit(false);
    
                ps = conn.prepareStatement(sql);
                if (params != null && params.length > 0){
                    for (int i = 0; i < params.length; i++) {
                        ps.setObject(i+1, params[i]);
                    }
                }
    
                rlines = ps.executeUpdate();
                conn.commit();
            } catch (SQLException throwables) {
                throwables.printStackTrace();
            }
    
            return rlines;
        }
    
        public static void sql2test(){
            String id = UUID.randomUUID().toString().replace("-", "").toLowerCase();
            String sql = "INSERT INTO count_table(interfacename,cdate,tablename,realcount)VALUES(?,?,?,?)";
    
            Object[] params = new Object[4];
            params[0] = id;
            params[1] = "2021-03-03 00:00:00";
            params[2] = "liumz";
            params[3] = 5;
            execUpdate(sql,params);
        }
        public static void main(String[] args) throws Exception {
            sql2test();
            Thread.sleep(1000);
    
    
            /*Connection conn = null;
            PreparedStatement ps = null;
            Statement st = null;
            try {
                conn = DriverManager.getConnection(url, userName, passWord);
                st = conn.createStatement();
            } catch (SQLException e1) {
                e1.printStackTrace();
            }
    
            while (true){
                String sql1 = "insert into test1 values(id,?)";
                String sql2 = "insert into test2 values(seq_test.nextval,?)";
                List<String> list = new ArrayList<>();
                list.add(sql1);
                list.add(sql2);
    
                Iterator<String> iter = list.iterator();
                while (iter.hasNext()){
                    String strSql = iter.next();
                    System.out.println(strSql);
                    try {
                        int i = st.executeUpdate(strSql);
                        if(i>0) {
                            System.out.println("添加成功");
                        }
                        else {
                            System.out.println("添加失败");
                        }
                    } catch (SQLException throwables) {
                        throwables.printStackTrace();
                    }
                }
            }*/
        }
    }

2021-03-03

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