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问题描述
在java中获取计数后如何将'timeStamp'转换为date
?
How do I convert 'timeStamp' to date
after I get the count in java?
我目前的代码如下:
public class GetCurrentDateTime {
public int data() {
int count = 0;
java.sql.Timestamp timeStamp = new Timestamp(System.currentTimeMillis());
java.sql.Date date = new java.sql.Date(timeStamp.getTime());
System.out.println(date);
//count++;
try {
Class.forName("com.mysql.jdbc.Driver");
Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/pro", "root", "");
PreparedStatement statement = con.prepareStatement("select * from orders where status='Q' AND date=CURDATE()");
ResultSet result = statement.executeQuery();
while (result.next()) {
// Do something with the row returned.
count++; //if the first col is a count.
}
} catch (Exception exc) {
System.out.println(exc.getMessage());
}
return count;
}
}
这是我的数据库:
这里我得到的输出是 2012-08-07 0,但等效的查询返回 3.为什么我得到 0?
Here the output I got was 2012-08-07 0, but the equivalent query returns 3. Why do I get 0?
推荐答案
只需创建一个新的 Date
对象,并将图章的 getTime()
值作为参数.
Just make a new Date
object with the stamp's getTime()
value as a parameter.
这是一个例子(我使用了当前时间的示例时间戳):
Here's an example (I use an example timestamp of the current time):
Timestamp stamp = new Timestamp(System.currentTimeMillis());
Date date = new Date(stamp.getTime());
System.out.println(date);
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