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[英]Java SimpleDateFormat.format() returns incorrect date when using miliseconds
[英]Incorrect year in the date when trying to insert in database using jdbc, SimpleDateFormat
我一直在嘗試使用JDBC SimpleDateFormat API將日期插入Oracle數據庫。 當我通過日期作為“ 2016-07-24”時,它插入的是“ 24-JUL-24”,這是錯誤的(年份是錯誤的),它應該是“ 24-JUL-16”。 這是第n次發生一次。 盡管我嘗試反復插入數據,但無法調試代碼。 任何人都可以參考下面的代碼,數據庫模式和日期格式,如果我在任何地方出錯,請讓我知道。 謝謝。
DAO計划
package com.oog.big.database;
import java.sql.Connection;
import java.sql.PreparedStatement;
import com.oog.big.database.DBConnection;
import java.text.SimpleDateFormat;
public class ItemDetailsDAO {
// format for date
public static final SimpleDateFormat transactionDateFormat = new SimpleDateFormat(
"yyyy-MM-dd");
public static transient final SimpleDateFormat requestDateTimeFormat = new SimpleDateFormat(
"yyyy-MM-dd'T'HH:mm:ss.SSSXXX");
private static final String insertTableSQL = "INSERT INTO ITEM_DETAILS ("
+ " ITEM_ID ,"
+ " SRV_NAME ,"
+ " INS_TYPE ,"
+ " REQ_CONTEXT ,"
+ " STATUS_FLAG ,"
+ " CHL ,"
+ " TRANSACTION_DATE ,"
+ " REQ_DATETIME ,"
+ " FLAG )" + "values(?,?,?,?,?,?,?,?,?)";
public static void save() throws Exception {
Connection con = null;
PreparedStatement stmt = null;
try {
con = DBConnection.getConnection();
con.setAutoCommit(true);
stmt = con.prepareStatement(insertTableSQL);
stmt.setInt(1, 1256);
stmt.setString(2, "DD");
stmt.setString(3, "OL");
stmt.setString(4, "DP");
stmt.setString(5, "");
stmt.setString(6, "FF");
/** Incorrect Date **/
stmt.setDate(
7,
new java.sql.Date(transactionDateFormat.parse(
"2016-07-24").getTime()));
stmt.setDate(
8,
new java.sql.Date(requestDateTimeFormat.parse(
"2016-08-02T16:56:01.764-04:00").getTime()));
stmt.setString(9, "N");
stmt.execute();
stmt.close();
System.out.println("Completed!!");
} catch (Exception e) {
System.out.println("DB Error: "+e);
}
}
}
ITEM_DETAILS
架構
CREATE TABLE OYD.ITEM_DETAILS
(
ITEM_ID INTEGER NOT NULL,
SRV_NAME VARCHAR2(5) DEFAULT NULL,
INS_TYPE VARCHAR2(3) DEFAULT NULL,
REQ_CONTEXT VARCHAR2(3) DEFAULT NULL,
REQ_DATETIME TIMESTAMP DEFAULT NULL,
STATUS_FLAG VARCHAR2(2) DEFAULT NULL,
CHL VARCHAR2(2) DEFAULT NULL,
TRANSACTION_DATE DATE DEFAULT NULL,
FLAG VARCHAR2(1) DEFAULT NULL,
LAST_UPDATE_TIMESTAMP TIMESTAMP DEFAULT SYSTIMESTAMP,
CONSTRAINT PK_ITEM_DETAILS PRIMARY KEY (ITEM_ID)
)
PARTITION BY RANGE (LAST_UPDATE_TIMESTAMP) INTERVAL (NUMTODSINTERVAL(1,'DAY'))
(
PARTITION P_ITEM_DETAILS VALUES LESS THAN (TO_DATE('07-MAR-2016','DD-MON-YYYY'))
)PARALLEL;
除了使用SimpleDateFormat格式化日期外,還可以在SQL中使用Oracle的date函數。
private static final String insertTableSQL = "INSERT INTO ITEM_DETAILS ("
+ " ITEM_ID,"
+ " SRV_NAME,"
+ " INS_TYPE,"
+ " REQ_CONTEXT,"
+ " STATUS_FLAG,"
+ " CHL,"
+ " TRANSACTION_DATE,"
+ " REQ_DATETIME,"
+ " FLAG)" + "values(?,?,?,?,?,?,TO_DATE(?,'DD-MON-RR'),TO_DATE(?,'DD-MON-RR'),?)";
public static void save(){
//.........
smtp.setString(7,"24-07-2016");
smtp.setString(8,"02-8-2016");
//.........
您甚至可以在TO_DATE()函數中格式化時間(hh:mm:ss)來存儲時間戳。
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