?? utils.java
字號(hào):
package com.nitpro.school.util;
import java.io.File;
import java.net.URL;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.swing.ImageIcon;
public class Utils {
public final static String lastIdSql = "SELECT LAST_INSERT_ID() id";
public static String dateToStr(Date date){
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
String str = null;
try {
str = sdf.format(date);
}catch (Exception e) {
e.printStackTrace();
}finally {
return str;
}
}
public static Date strToDate(String str){
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Date date = null;
try {
date = sdf.parse(str);
}catch (Exception e) {
e.printStackTrace();
}finally {
return date;
}
}
public static int strToInt(String str){
int value = 0;
try {
value = Integer.parseInt(str);
}catch (Exception e) {
e.printStackTrace();
}finally {
return value;
}
}
public static double strToDouble(String str){
double value = 0.0;
try {
value = Double.parseDouble(str);
return value;
}catch (Exception e) {
e.printStackTrace();
}finally {
return value;
}
}
}
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號(hào)
Ctrl + =
減小字號(hào)
Ctrl + -