1、度轉度分秒算法

小數點后數字乘以60，再將得到的數的小數點后數字乘以60

例如：103.55685565

103.55685565 - 103 = 0.55685565

0.55685565 ?60 = 33.411339

0.411339 ?60 = 24.68034

結果為103度33份24.68034秒

2、度分秒轉度算法

以度轉度分秒方式反算

例如：103度33份24.68034秒

24.68034 / 60 = 0.411339

33.411339 / 60 = 0.55685565

103 + ?0.55685565 = 103.55685565

有了轉換公式就可以做一個轉換工具，java實現：

package convertBLH;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTextField;

import javax.swing.border.EmptyBorder;

class frame1 extends JFrame{

/**

*

*/

private static final long serialVersionUID = 1L;

//輸入輸出框

private JTextField textField1 = new JTextField(8);

private JTextField textField2 = new JTextField(3);

private JTextField textField3 = new JTextField(3);

private JTextField textField4 = new JTextField(5);

private JTextField textField5 = new JTextField(8);

private JTextField textField6 = new JTextField(3);

private JTextField textField7 = new JTextField(3);

private JTextField textField8 = new JTextField(5);

private JLabel label1 = new JLabel("度——————>度分秒");

private JLabel label2 = new JLabel("度分秒——————>度");

private JButton button1 = new JButton("轉換");

private JButton button2 = new JButton("轉換");

public frame1(){

//設置窗體大小、位置

JFrame frame = new JFrame("度分秒轉換工具");

frame.setSize(600,300);

frame.setLocationRelativeTo(null);

//定義面板容器

JPanel contentpanel = new JPanel();

contentpanel.setBorder(new EmptyBorder(5,5,5,5));

frame.add(contentpanel);

contentpanel.setLayout(null);

JPanel panel = new JPanel();

panel.setBounds(0,0,580,380);

contentpanel.add(panel);

panel.setLayout(null);

//度轉度分秒

//設置標簽

label1.setBounds(220,10,200,28);

panel.add(label1);

//設置輸入文本框

textField1.setBounds(50,50,80,28);

panel.add(textField1);

//設置輸出文本框

textField2.setBounds(270,50,50,28);

panel.add(textField2);

textField3.setBounds(340,50,50,28);

panel.add(textField3);

textField4.setBounds(410,50,100,28);

panel.add(textField4);

//設置按鈕

button1.setBounds(150,50,100,28);

button1.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

//計算textfield2需要顯示的數字

Double iDouble = Double.parseDouble(textField1.getText());

int i = iDouble.intValue();

String string = String.valueOf(i);

textField2.setText(string);

//計算textfield3需要顯示的數字

double j1 = iDouble - i;

Double j2 = j1 * 60;

int j3 = j2.intValue();

textField3.setText(String.valueOf(j3));

//計算textField4

double k1 = j2 - j3;

Double k2 = k1 * 60;

textField4.setText(String.valueOf(k2));

}

});

panel.add(button1);

//度分秒轉度

label2.setBounds(220,90,200,28);

panel.add(label2);

textField5.setBounds(50,130,50,28);

panel.add(textField5);

textField6.setBounds(120,130,50,28);

textField7.setBounds(190,130,100,28);

textField8.setBounds(430,130,80,28);

panel.add(textField6);

panel.add(textField7);

panel.add(textField8);

button2.setBounds(310,130,100,28);

panel.add(button2);

button2.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

Double iDouble = Double.parseDouble(textField7.getText());

iDouble = iDouble / 60;

iDouble = Double.parseDouble(textField6.getText()) + iDouble;

iDouble = iDouble / 60;

iDouble = iDouble + Double.parseDouble(textField5.getText());

textField8.setText(iDouble.toString());

}

});

frame.setVisible(true);

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}

}

public class ConvertBLH {

public static void main(String[] args) {

new frame1();

}

}

運行效果：

另外，筆者做了一個批量轉換工具，可讀取坐標txt文件并自動識別度分秒轉換方式，實現度與度分秒格式批量轉換。

轉換結果：

下載地址：鏈接：https://pan.baidu.com/s/1zwnjKlhtBoG2zuYQlIDeQw 提取碼：o32b

總結

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