获取模拟电压值(第三篇)

来源：互联网发布：恐怖悬疑电影知乎编辑：程序博客网时间：2024/05/16 05:16
//文件StringLinewrap2.java
package cn.ch.da;import java.awt.EventQueue;import javax.swing.JFrame;import javax.swing.JPanel;import javax.swing.JTextArea;import javax.swing.border.EmptyBorder;import javax.swing.JLabel;import javax.swing.border.TitledBorder;import javax.swing.JScrollPane;import javax.swing.JButton;import java.awt.event.ActionListener;import java.awt.event.ActionEvent;import javax.swing.UIManager;public class StringLinewrap2 extends JFrame {        private static final long serialVersionUID = -6696744628977225050L;private JPanel contentPane;    private JTextArea sourceTextArea;        private JTextArea destinationTextArea;    private JTextArea destinationTextArea2;    private JTextArea destinationTextArea3;        /**     * Launch the application.     */    public static void main(String[] args) {        try {            UIManager                    .setLookAndFeel("com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel");        } catch (Throwable e) {            e.printStackTrace();        }        EventQueue.invokeLater(new Runnable() {            public void run() {                try {                    StringLinewrap2 frame = new StringLinewrap2();                    frame.setVisible(true);                } catch (Exception e) {                    e.printStackTrace();                }            }        });    }        /**     * Create the frame.     */    public StringLinewrap2() {        setTitle("MQ-3型酒精传感器浓度分析");        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);        setBounds(100, 100, 475, 660);        contentPane = new JPanel();        contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));        setContentPane(contentPane);        contentPane.setLayout(null);                JLabel label = new JLabel(                "<html>MQ-3型酒精传感器浓度分析,在下面的文本框中输入字符串段落，其中要包括(02)字段，然后单击“分行显示”按钮，程序将根据(02)字段进行分行。</html>");        label.setBorder(new TitledBorder(null, "说明",                TitledBorder.LEADING, TitledBorder.TOP, null, null));        label.setBounds(10, 10, 439, 76);        contentPane.add(label);                JScrollPane scrollPane = new JScrollPane();        scrollPane.setBounds(10, 84, 439, 98);        contentPane.add(scrollPane);                sourceTextArea = new JTextArea();        sourceTextArea.setLineWrap(true);        scrollPane.setViewportView(sourceTextArea);                        JButton button = new JButton("分行显示");               button.addActionListener(new ActionListener() {            public void actionPerformed(ActionEvent e) {                do_button_actionPerformed(e);            }        });        JButton button2 = new JButton("酒精传感器");        button2.addActionListener(new ActionListener() {            public void actionPerformed(ActionEvent e) {                do_button_actionPerformed2(e);            }        });        JButton button3 = new JButton("浓度值");        button3.addActionListener(new ActionListener() {            public void actionPerformed(ActionEvent e) {                do_button_actionPerformed3(e);            }        });                button.setBounds(60, 192, 101, 25);        button2.setBounds(210, 192, 101, 25);        button3.setBounds(340, 192, 101, 25);        contentPane.add(button);              contentPane.add(button2);        contentPane.add(button3);                JScrollPane scrollPane_1 = new JScrollPane();        scrollPane_1.setBounds(10, 233, 439, 156);        contentPane.add(scrollPane_1);                destinationTextArea = new JTextArea();        scrollPane_1.setViewportView(destinationTextArea);                JScrollPane scrollPane_2 = new JScrollPane();        scrollPane_2.setBounds(10, 390, 439, 156);        contentPane.add(scrollPane_2);                destinationTextArea2 = new JTextArea();        scrollPane_2.setViewportView(destinationTextArea2);                JScrollPane scrollPane_3 = new JScrollPane();        scrollPane_3.setBounds(10, 548, 439, 50);        contentPane.add(scrollPane_3);                destinationTextArea3 = new JTextArea();        scrollPane_3.setViewportView(destinationTextArea3);            }        protected void do_button_actionPerformed(ActionEvent e) {        String sourceString = sourceTextArea.getText();// 获取用户输入字段        String[] lines = sourceString.split("02");// 根据“02字段”分割字符串为数组        StringBuilder sbuilder = new StringBuilder();// 创建字符串构建器        for (String line : lines) {// 遍历分割后的字符串数组            // 把每个数组元素的字符串与回车符相连并添加到字符串构建器中            sbuilder.append(line + "\n");        }        // 把字符串添加到换行显示字符串的文本域中        destinationTextArea.setText(sbuilder.toString());    }        protected void do_button_actionPerformed2(ActionEvent e){    String destinon2String = destinationTextArea.getText();    //String tou="02",wei="85";    String[] lines = destinon2String.split("85\\ ");      StringBuilder sbuilder2 = new StringBuilder();    for (String line : lines) {// 遍历分割后的字符串数组            // 把每个数组元素的字符串与回车符相连并添加到字符串构建器中                sbuilder2.append(line.substring(0, 2) + " ");        }        // 把字符串添加到换行显示字符串的文本域中        destinationTextArea2.setText(sbuilder2.toString());    }        protected void do_button_actionPerformed3(ActionEvent e){    String destinon2String = destinationTextArea2.getText();               String[] lines = destinon2String.split(" ");      StringBuilder sbuilder2 = new StringBuilder();    for (String line : lines) {                            sbuilder2.append(line+ " ");        }        // 把字符串添加到换行显示字符串的文本域中        destinationTextArea3.setText("浓度为: "+sbuilder2.toString());            }    }
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