jtable

Java Swing JTable 设置隔行变色

由 穿精又带淫゛_ 提交于 2020-03-17 05:09:09
设置JTable隔行变色，关键是重写方法prepareRenderer. ——————————–以下是演示代码，可自己运行看看——————————- import java.awt.Color; import java.awt.Component; import java.awt.Graphics; import java.awt.Rectangle; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.SwingUtilities; import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException; import javax.swing.WindowConstants; import javax.swing.plaf.nimbus.NimbusLookAndFeel; import javax.swing.table.TableCellRenderer; public class JTableAlternateRowColors { public JTableAlternateRowColors() {

How to add JRadioButton to group in JTable

由 只愿长相守 提交于 2020-03-06 21:21:20
问题 I have added radio buttons to a JTable using renderer and editor. I have also created group for the same. I'm unable to achieve the exclusiveness (only 1 radio button should be selected) using this principle. Please see my code below and appreciate your response. Renderer and Editor classes: class RadioButtonRenderer implements TableCellRenderer { public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { if (value =

ABPZero系列教程之拼多多卖家工具 项目修改及优化

由 南楼画角 提交于 2020-03-02 16:49:22
本篇内容杂而简单，不需要多租户、不需要多语言、使用MPA(多页面)、页面加载速度提升…… 刚登录系统会看到如下界面，这不是最终想要的效果，以下就一一来修改。 不需要多租户 AbpZeroTemplateConsts.cs代码修改如下 文件路径：D:\abp version\aspnet-zero-3.4.0\aspnet-zero-3.4.0\src\MyCompanyName.AbpZeroTemplate.Core\AbpZeroTemplateConsts.cs /// <summary> /// false为不启用多租户，默认为启用 /// </summary> public const bool MultiTenancyEnabled = false; 使用本地时钟 Global.asax.cs代码修改如下 文件路径：D:\abp version\aspnet-zero-3.4.0\aspnet-zero-3.4.0\src\MyCompanyName.AbpZeroTemplate.Web\Global.asax.cs protected override void Application_Start(object sender, EventArgs e) { //Use UTC clock. Remove this to use local time for your

Insert Radiobuttons in JTable Netbeans

由 ＊爱你＆永不变心＊ 提交于 2020-02-28 23:28:08
问题 I am populating Employee Data in JTable using Netbeans. I want to add Radiobutton in each row, so that user can select any row and can perform actions like Update/Delete,etc. Here is my code for TableModel: DefaultTableModel model = new DefaultTableModel(); model.setColumnIdentifiers(new String[] {"Select","Employee ID","Name","Surname","Birth Place","Genre","Home","Marital Status","Phone","Age","Department"}); try{ con = DriverManager.getConnection ("jdbc:mysql://localhost:3306/"+database,

JComboBox shared between multiple table cells automatically selecting currently selected item

由 痴心易碎 提交于 2020-02-16 07:43:30
问题 I have added a combobox as a cell editor using the code provided by camickr below as reference: How to add unique JComboBoxes to a column in a JTable (Java) Except in my case, I only need one combobox to be used by all of the cells within a column. The problem I'm running into is that the combobox automatically selects the last selected item (or current selected item, not sure), and since different rows share the same combobox, if you click on one of the cells, it'll automatically change to

Formatting Integers in JTable Column Cells With Commas

由 我的未来我决定 提交于 2020-02-16 03:03:54
问题 I have a Price column that displays integers in plain format like 1000000. I would like to know how can I format it with commas without affecting its value when retrieving with table.getValueAt()? Is there a method like table.setColumnCellFormat(decimalFormat)? 回答1: You need a custom TableCellRenderer which can format the value the way you need it. See Using Custom Renderers for more details import java.awt.BorderLayout; import java.awt.Component; import java.awt.EventQueue; import java.text

How to get/set the cell value of a JTable by its column name

由 一个人想着一个人 提交于 2020-02-07 19:39:29
问题 Is it possible to get or set the the cell value of a JTable by column name? 回答1: Didn't find a built in method in JTable, but how about this: private int getColumnByName(JTable table, String name) { for (int i = 0; i < table.getColumnCount(); ++i) if (table.getColumnName(i).equals(name)) return i; return -1; } Then you can use the following to set & get cell values : table.setValueAt(value, rowIndex, getColumnByName(table, colName)); table.getValueAt(rowIndex, getColumnByName(table, colName))

How to change or find column type in JTable

由 放肆的年华 提交于 2020-02-02 05:53:26
问题 I want to insert JCheckBox in every row in JTable so I try to change my first column type. When I try this code, I get "java.lang.String cannot be cast to java.lang.Boolean" error. DefaultTableModel model=new DefaultTableModel(){ private static final long serialVersionUID = 1L; @Override public Class<?> getColumnClass(int column) { switch (column) { case 0: return Boolean.class; case 1: return String.class; case 2: return String.class; case 3: return String.class; default: return String.class

How to change or find column type in JTable

由 本秂侑毒 提交于 2020-02-02 05:53:14
问题 I want to insert JCheckBox in every row in JTable so I try to change my first column type. When I try this code, I get "java.lang.String cannot be cast to java.lang.Boolean" error. DefaultTableModel model=new DefaultTableModel(){ private static final long serialVersionUID = 1L; @Override public Class<?> getColumnClass(int column) { switch (column) { case 0: return Boolean.class; case 1: return String.class; case 2: return String.class; case 3: return String.class; default: return String.class

How to change or find column type in JTable

由 我是研究僧i 提交于 2020-02-02 05:53:06
问题 I want to insert JCheckBox in every row in JTable so I try to change my first column type. When I try this code, I get "java.lang.String cannot be cast to java.lang.Boolean" error. DefaultTableModel model=new DefaultTableModel(){ private static final long serialVersionUID = 1L; @Override public Class<?> getColumnClass(int column) { switch (column) { case 0: return Boolean.class; case 1: return String.class; case 2: return String.class; case 3: return String.class; default: return String.class
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