java星座查询swing(java星座查询代码)

西卡看星座 55 0

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JAVA.swing中进行条件查询,为什么JTable中只显示第一次查询结果后来改变查询条件,Ta

表格数据变了的情况下我们需要”通知表格让它知道数据变了然后重画表格“。

DefaultTableModel model = (DefaultTableModel) myTable.getModel();

for(int size = model.getRowCount(), i = 0; i  rowCount; i++) {

    model.removeRow(0);

}

model.addRow(new String[] { "Colum11", "Column12", "Column13"});

model.addRow(new String[] { "Colum21", "Column22", "Column23"});

model.fireTableDataChanged();

用java 输入两个日期判断分别是什么星座

/**

* 根据月日判断星座

* @param month

* @param day

* @return int

*/

public static String getConstellation(int m,int d){

final String[] constellationArr = {"魔羯座" ,"水瓶座", "双鱼座", "牡羊座", "金牛座", "双子座", "巨蟹座", "狮子座", "处女座", "天秤座","天蝎座", "射手座", "魔羯座" };

final int[] constellationEdgeDay = { 20,18,20,20,20,21,22,22,22,22,21,21};

int month=m;

int day =d;

if (day = constellationEdgeDay[month-1]) {

month = month - 1;

}

if (month = 0) {

return constellationArr[month];

}

//default to return 魔羯

return constellationArr[11];

}

java基础题,关于输入月日来判断星座的,求教

import java.text.ParseException;

import java.text.SimpleDateFormat;

import java.util.Calendar;

import java.util.Date;

import java.util.Scanner;

public class Test {

    public static void main(String[] args) throws ParseException {

        Scanner scanner = new Scanner(System.in);

        

        // 只输入月、日,此代码未校验月、日输入是否合理,比如2月30

        System.out.print("请输入你的出生月份");

        int month = scanner.nextInt();

        System.out.print("请输入你的出生日期");

        int day = scanner.nextInt();

        System.out.print("你的星座是:");

        

        // 通过输入完整日期的方式判断,可以自动处理不合理日期,比如2月30

        // SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");

        // System.out.print("请输入你的出生日期(形如2018-02-03):");

        // Date birthday = dateFormat.parse(scanner.nextLine());

        //

        // Calendar calendar = Calendar.getInstance();

        // calendar.setTime(birthday);

        // int month = calendar.get(Calendar.MONTH) + 1;

        // int day = calendar.get(Calendar.DAY_OF_MONTH);

        // System.out.print("你的生日是 :" + dateFormat.format(birthday) + "\r\n你的星座是:");

        scanner.close();

        switch (month) {

        case 1:

            if (day  22)

                System.out.println("摩羯座");

            else

                System.out.println("水瓶座");

            break;

        case 2:

            if (day  22)

                System.out.println("水瓶座");

            else

                System.out.println("双鱼座");

            break;

        case 3:

            if (day  22)

                System.out.println("双鱼座");

            else

                System.out.println("白羊座");

            break;

        case 4:

            if (day  22)

                System.out.println("白羊座");

            else

                System.out.println("金牛座");

            break;

        case 5:

            if (day  22)

                System.out.println("金牛座");

            else

                System.out.println("双子座");

            break;

        case 6:

            if (day  22)

                System.out.println("双子座");

            else

                System.out.println("巨蟹座");

            break;

        case 7:

            if (day  22)

                System.out.println("巨蟹座");

            else

                System.out.println("狮子座");

            break;

        case 8:

            if (day  22)

                System.out.println("狮子座");

            else

                System.out.println("处女座");

            break;

        case 9:

            if (day  22)

                System.out.println("处女座");

            else

                System.out.println("天枰座");

            break;

        case 10:

            if (day  22)

                System.out.println("天枰座");

            else

                System.out.println("天蝎座");

            break;

        case 11:

            if (day  22)

                System.out.println("天蝎座");

            else

                System.out.println("射手座");

            break;

        case 12:

            if (day  22)

                System.out.println("射手座");

            else

                System.out.println("摩羯座");

        }

    }

}

用eclipse编写星座查询程序

我也是在网上找的 有简单的 你先看看这个吧

package 星座;

import java.awt.BorderLayout;

import java.awt.FlowLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.Calendar;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTextField;

public class Constellation implements ActionListener{

private JFrame frame = null;

private JTextField year = null;

private JTextField month = null;

private JTextField day = null;

private JLabel label1 = null;

private JLabel label2 = null;

private JLabel label3 = null;

private JPanel panel1 = null;

private JPanel panel2 = null;

private JButton button = null;

private JTextField output = null;

public static final String[] zodiacArr = {

java星座查询swing(java星座查询代码)-第1张图片-星缘配

Java Swing

this.getContentPane()返回的就是Container类型的实例,所以不用转;

JPanel是Container的子类,如果要将getContentPane()的返回值赋给JPanel类型的变量,就需要强制转换

标签: java星座查询swing

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