sql转换工具

本文主要是介绍sql转换工具，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

package com.example.kafka.utils;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;

@SuppressWarnings("serial")
public class CreateSqlWin extends JFrame {

    private JPanel contentPane;
    private JTextField txtStr;
    private JRadioButton rdbtnString;
    private JRadioButton rdbtnStringbuffer;
    private JSplitPane splitPane;
    private JTextArea newSql;
    private JTextArea oldSql;


    /**
     * Launch the application.
     */
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                try {
                    CreateSqlWin frame = new CreateSqlWin();
                    frame.setVisible(true);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
    }

    /**
     * Create the frame.
     */
    public CreateSqlWin() {
        setMinimumSize(new Dimension(840, 600));
        setTitle("SQL转JAVA字符串");
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setBounds(100, 100, 842, 605);
        contentPane = new JPanel();
        contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
        setContentPane(contentPane);
        contentPane.setLayout(new BorderLayout(0, 0));

        JPanel panel = new JPanel();
        panel.setPreferredSize(new Dimension(10, 80));
        contentPane.add(panel, BorderLayout.NORTH);
        panel.setLayout(new BorderLayout(0, 0));

        JPanel panel_1 = new JPanel();
        panel_1.setBorder(new LineBorder(new Color(0, 0, 0)));
        panel_1.setPreferredSize(new Dimension(300, 10));
        panel.add(panel_1, BorderLayout.CENTER);
        panel_1.setLayout(null);

        JLabel label = new JLabel("选择生成方式：");
        label.setBounds(10, 10, 153, 20);
        panel_1.add(label);

        rdbtnString = new JRadioButton("String");
        rdbtnString.setSelected(true);
        rdbtnString.setBounds(52, 36, 79, 23);
        panel_1.add(rdbtnString);

        rdbtnStringbuffer = new JRadioButton("StringBuffer");
        rdbtnStringbuffer.setBounds(144, 36, 107, 23);
        panel_1.add(rdbtnStringbuffer);

        ButtonGroup bGroup = new ButtonGroup();
        bGroup.add(rdbtnString);
        bGroup.add(rdbtnStringbuffer);

        txtStr = new JTextField();
        txtStr.setText("str");
        txtStr.setBounds(313, 31, 180, 33);
        panel_1.add(txtStr);
        txtStr.setColumns(10);

        JLabel label_1 = new JLabel("输入变量名：");
        label_1.setBounds(276, 13, 87, 15);
        panel_1.add(label_1);

        JPanel panel_3 = new JPanel();
        panel_3.setBorder(new MatteBorder(1, 0, 1, 1, (Color) new Color(0, 0, 0)));
        panel_3.setPreferredSize(new Dimension(200, 10));
        panel.add(panel_3, BorderLayout.EAST);
        panel_3.setLayout(new BorderLayout(0, 0));

        JButton button = new JButton("生成");
        button.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                //生成SQL
                String oldSqlStr = oldSql.getText();
                if(oldSqlStr.equals("")){
                    JOptionPane.showMessageDialog(CreateSqlWin.this, "请在左侧输入SQL再执行！");
                    return;
                }
                //清空
                if(!newSql.getText().equals("")){
                    newSql.setText("");
                }
                String valibleName = txtStr.getText();
                if(valibleName.trim().equals("")){
                    JOptionPane.showMessageDialog(CreateSqlWin.this, "请输入变量名！");
                    return;
                }
                String[] sqls = oldSqlStr.split("\n");
                StringBuffer result = new StringBuffer();
                //对SQL进行拼接
                if(rdbtnString.isSelected()){
                    //string形式
                    for(int i=0;i<sqls.length-1;i++){
                        if(result.toString().equals("")){
                            result.append(valibleName+" = \" "+sqls[i]+" \"\n");
                        }
                        else {
                            result.append(" +\" "+sqls[i]+" \"\n");
                        }
                    }
                    result.append(" +\" "+sqls[sqls.length-1]+" \";\n");
                }
                else{
                    //string形式
                    for(int i=0;i<sqls.length;i++){
                        result.append(valibleName+".append(\" "+sqls[i]+" \");\n");
                    }
                }
                newSql.setText(result.toString());
            }
        });
        button.setFont(new Font("楷体", Font.PLAIN, 32));
        panel_3.add(button, BorderLayout.CENTER);

        JPanel panel_2 = new JPanel();
        panel_2.setBorder(new MatteBorder(0, 1, 1, 1, (Color) new Color(0, 0, 0)));
        contentPane.add(panel_2, BorderLayout.CENTER);
        panel_2.setLayout(new BorderLayout(0, 0));

        splitPane = new JSplitPane();
        splitPane.addComponentListener(new ComponentAdapter() {
            @Override
            public void componentResized(ComponentEvent e) {
                divider();
            }
        });
        panel_2.add(splitPane, BorderLayout.CENTER);

        JScrollPane scrollPane = new JScrollPane();
        splitPane.setLeftComponent(scrollPane);

        oldSql = new JTextArea();
        scrollPane.setViewportView(oldSql);

        JScrollPane scrollPane_1 = new JScrollPane();
        splitPane.setRightComponent(scrollPane_1);

        newSql = new JTextArea();
        scrollPane_1.setViewportView(newSql);

        JPanel panel_4 = new JPanel();
        FlowLayout flowLayout = (FlowLayout) panel_4.getLayout();
        flowLayout.setAlignment(FlowLayout.LEFT);
        panel_4.setPreferredSize(new Dimension(10, 30));
        panel_2.add(panel_4, BorderLayout.NORTH);

        JLabel lblsql = new JLabel("请在左侧输入你要格式化的SQL语句：");
        lblsql.setHorizontalAlignment(SwingConstants.LEFT);
        panel_4.add(lblsql);
    }

    public void divider(){
        splitPane.setDividerLocation(0.4);
    }
}

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