gui重叠问题(100分)

我觉得你这个也就是一个窗口，即JFrame，另一个是其中的表格JTable。
猜测是你的表格大小存在问题，使得其它控件与表格重叠，
建议：正确设置布局，调整各控件的大小

看上去感觉上像是在一个jframe里面写的控件，如果是这样，你点击登录成功以后把登录的那些控件隐藏起来就行了，如果你是用独立的frame来写的，可以把登录的frame隐藏了，其实就是一个现实隐藏的问题。
感觉最好还是把代码贴出来看看……

public void viewuserinfo(){
String[] columnNames={"id","mobile","email","name","birday","address","code","tel","sex"}; //列名
try {
SAXBuilder builder = new SAXBuilder();
Document doc = builder.build(new File("d:\\xml.xml"));
Element root1 = doc.getRootElement();

List<Element> list = root1.getChildren();
int count = list.size(); //统计个数
Object[][] rowData=new Object[count][9]; //表格数据
int i = 0;  //遍历集合*****不知java中如何取得key暂时采用i++
for(Element el : list) {
String id1 = el.getAttributeValue("id");
String mobile1 = el.getChildText("mobile");
String email1 = el.getChildText("email");
String name1 = el.getChildText("name");
String birday1 = el.getChildText("birday");
String adress1 = el.getChildText("address");
String code1 = el.getChildText("code");
String tel1 = el.getChildText("tel");
String sex1 = el.getChildText("sex");
rowData[i][0]=id1; //初始化数组内容
rowData[i][1] = mobile1;
rowData[i][2]=email1; //初始化数组内容
rowData[i][3]=name1; //初始化数组内容
rowData[i][4]=birday1; //初始化数组内容
rowData[i][5]=adress1; //初始化数组内容
rowData[i][6]=code1; //初始化数组内容
rowData[i][7]=tel1; //初始化数组内容
rowData[i][8]=sex1; //初始化数组内容
i++;
}

Container container=getContentPane();  //获取窗口容器
table=new JTable(rowData,columnNames); //实例化表格

alter.setBounds(620,510,60,30);
del.setBounds(700,510,60,30);

allcount.setText("共有"+count+"会员");
allcount.setBounds(500,510,80,30);

//添加事件
del.addActionListener(this);
alter.addActionListener(this);
search.addActionListener(this);
countwhere.addActionListener(this);

//设置按钮间距
searchnamelabel.setBounds(50,510,60,30);
searchname.setBounds(110,510,160,30);
search.setBounds(290,510,60,30);

wherestart.setBounds(20,460,80,30);
category1.setBounds(100,460,60,30);
whereend.setBounds(180,460,80,30);
countwhere.setBounds(280,460,80,30);

container.setLayout(new BorderLayout());
container.add(alter);
container.add(del);

//添加到container
container.add(searchnamelabel);
container.add(searchname);
container.add(search);
container.add(allcount);
container.add(category1);
container.add(wherestart);
container.add(whereend);
container.add(countwhere);
container.add(new JScrollPane(table),BorderLayout.CENTER); //增加组件

} catch (Exception e) {
// TODO: handle exception
}

setSize(800,600);  //设置窗口尺寸
setVisible(true);  //设置窗口可视
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //关闭窗口时退出程序
}这个是窗口的代码

布局问题，通过setBounds方法调整组建的位置。

container.setLayout(new BorderLayout());
你都是用setBounds来固定组建位置了，为什么还要用BorderLayout布局了？这样setBounds就不起作用了。这样试试container.setLayout（null）

public class Login extends JFrame implements ActionListener   {
private JTable table;

public int i;
public String name;
public String address;
public String code;
public String tel;
public String sex;
/**
     * Creates new form NewJFrame1
     */
    public Login() {
        initComponents();
    }    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {
        adminlogin = new javax.swing.JButton();
        admincancel = new javax.swing.JButton();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        adminname = new javax.swing.JTextField();
        adminpass = new javax.swing.JPasswordField();        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);        adminlogin.setText("登录");

        adminlogin.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                adminloginActionPerformed(evt);
            }
        });        admincancel.setText("取消");

        admincancel.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
             admincancelActionPerformed();
            }
        });        jLabel1.setText("用户名");        jLabel2.setText("密码");        jLabel3.setIcon(new javax.swing.ImageIcon(getClass().getResource("./c_logo2012.png"))); // NOI18N
        jLabel3.setText("jLabel3");        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(80, 80, 80)
                        .addComponent(adminlogin)
                        .addGap(83, 83, 83)
                        .addComponent(admincancel))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(86, 86, 86)
                        .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 178, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(48, 48, 48)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 62, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addComponent(adminpass, javax.swing.GroupLayout.PREFERRED_SIZE, 173, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 53, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(40, 40, 40)
                                .addComponent(adminname, javax.swing.GroupLayout.PREFERRED_SIZE, 173, javax.swing.GroupLayout.PREFERRED_SIZE)))))
                .addContainerGap(63, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 61, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 35, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(adminname, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(30, 30, 30)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(adminpass, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 26, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(32, 32, 32)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(adminlogin)
                    .addComponent(admincancel))
                .addContainerGap(43, Short.MAX_VALUE))
        );        pack();
    }// </editor-fold>
    //响应登录事件
    private void adminloginActionPerformed(java.awt.event.ActionEvent evt) {
     String adminlogin1 = adminname.getText();
     char[] adminpass1 = adminpass.getPassword();
     String adminpass = new String(adminlogin1);
     String adminusername = "admin";
     String adminuserpass = "admin";
     //判读用户账号
     if (adminlogin1.equals(adminusername) && adminpass.equals(adminuserpass)) {
     JOptionPane.showMessageDialog(null, "密码输入正确");
     viewuserinfo();

     } else {
JOptionPane.showMessageDialog(null, "用户名或密码错误");
}



    }这个登录的码

你这个是在一个类里面写的几个方法而已嘛，你用的是同一个frame，这段代码：//判读用户账号
  if (adminlogin1.equals(adminusername) && adminpass.equals(adminuserpass)) {
        JOptionPane.showMessageDialog(null, "密码输入正确");         // 这里添加登录控件的隐藏代码
        ................

        viewuserinfo();
  }

现在已经知道问题了，我现在是在载入新的table之前先setVisible false了

调试易

gui重叠问题(100分)

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