eclipse开发一个文件向导

比如我们要生成一个生成jdbc帮组类的插件

此时我们就要用到文件生成向导

打开eclipse 或者myeclipse  选中任意位置 new puginproject

输入工程名称 其他默认

选择向导里面的一项  custom plugin in wizard 右边的框中

进入下一步 里面有文件导入导出向导 xml编辑器向导 我们选择

NeW File Wizard

利用jigloo 插件生成一个composite的页面 jigloo可以使用拖拽可视化设计swt界面

拓展点

   <extension

         point="org.eclipse.ui.newWizards">

      <category

            name="LH语言互相转换工具"

            id="lhplugin">

      </category>

       <wizard

            name="LH Jdbc帮助类"

            icon="icons/sample.gif"

            category="lhplugin"

            class="lhplugin.wizards.SqlNewWizard"

            id="lhplugin.wizards.SqlNewWizard">

      </wizard>

   </extension>

<category

            name="LH语言互相转换工具"

            id="lhplugin">

      </category>

表示会在 eclipse --new ---others  会弹出一个选择生成内容的列表

表示会添加一个文件夹分类  名字是 LH语言互相转换工具

<wizard

            name="LH Jdbc帮助类"

            icon="icons/sample.gif"

            category="lhplugin"

            class="lhplugin.wizards.SqlNewWizard"

            id="lhplugin.wizards.SqlNewWizard">

      </wizard>

表示添加一个向导的控制类 类是lhplugin.wizards.SqlNewWizard 添加到lhplugin 这个文件夹分类下面

SqlNewWizard 负责添加向导页到里面 该类必须extends Wizard implements INewWizard

package lhplugin.wizards;

import java.io.ByteArrayInputStream;

import java.io.InputStream;

import java.lang.reflect.InvocationTargetException;

import java.util.List;

import lhplugin.utils.ConnectEntry;

import lhplugin.utils.JdbcGen;

import org.eclipse.core.runtime.CoreException;

import org.eclipse.core.runtime.IProgressMonitor;

import org.eclipse.core.runtime.IStatus;

import org.eclipse.core.runtime.Status;

import org.eclipse.jdt.core.ICompilationUnit;

import org.eclipse.jdt.core.IJavaElement;

import org.eclipse.jdt.core.IMember;

import org.eclipse.jdt.core.IPackageFragment;

import org.eclipse.jdt.core.JavaCore;

import org.eclipse.jdt.core.JavaModelException;

import org.eclipse.jdt.internal.core.JavaElement;

import org.eclipse.jdt.internal.core.ResolvedSourceMethod;

import org.eclipse.jdt.ui.JavaUI;

import org.eclipse.jface.operation.IRunnableWithProgress;

import org.eclipse.jface.viewers.ISelection;

import org.eclipse.jface.viewers.IStructuredSelection;

import org.eclipse.jface.wizard.Wizard;

import org.eclipse.ui.IEditorPart;

import org.eclipse.ui.INewWizard;

import org.eclipse.ui.IWorkbench;

import org.eclipse.ui.IWorkbenchWizard;

import org.eclipse.ui.PartInitException;

public class SqlNewWizard extends Wizard implements INewWizard {

 private SqlNewWizardPage page;

 private ISelection selection;

 public SqlNewWizard() {

  super();

  setNeedsProgressMonitor(true);

 }

 public void addPages() {

  page = new SqlNewWizardPage(selection);

  this.setWindowTitle("sql帮组类生成工具 作者：小琼琼");

  addPage(page);

 }

 public boolean performFinish() {

  final IPackageFragment frg = page.pac;

  final String url = page.getTxtUrl().getText();

  final String pac = page.pac.getElementName();

  final String cls = "JdbcHelper";

  final String clsName = page.getText1().getText();

  final String uid = page.getText2().getText();

  final String pwd = page.getText3().getText();

  final ConnectEntry entry = new ConnectEntry();

  entry.setCls(cls);

  entry.setClsName(clsName);

  entry.setPac(pac);

  entry.setPwd(pwd);

  entry.setUid(uid);

  entry.setUrl(url);

  IRunnableWithProgress prs = new IRunnableWithProgress() {

   public void run(IProgressMonitor m)

     throws InvocationTargetException, InterruptedException {

    try {

     m.beginTask("开始提取模板需要的资源", 2);

     JdbcGen gen = new JdbcGen();

     String content = gen.generate(entry);

     m.worked(1);

     m.setTaskName("生成类文件");

     try {

      // 可以使用这种方法创建 下面注视为foler下创建文件

      final ICompilationUnit u = frg.createCompilationUnit(

        cls + ".java", content, false, m);

      getShell().getDisplay().asyncExec(new Runnable() {

       public void run() {

        // TODO Auto-generated method stub

        try {

         // 获取方法

         IMember member = new ResolvedSourceMethod(

           (JavaElement) u, "queryList",

           new String[] {

             String.class.getName(),

             List.class.getName(),

             int.class.getName() }, null);

         IEditorPart part = JavaUI.openInEditor(u);

         // 定位到该方法 让别人去看我的

         JavaUI.revealInEditor(part,

           (IJavaElement) member);

        } catch (PartInitException e) {

         // TODO Auto-generated catch block

         e.printStackTrace();

        } catch (JavaModelException e) {

         // TODO Auto-generated catch block

         e.printStackTrace();

        }

       }

      });

     } catch (Exception e) {

      // TODO Auto-generated catch block

      e.printStackTrace();

     }

     m.worked(1);

    } finally {

     m.done();

    }

   }

  };

  try {

   getContainer().run(true, false, prs);

  } catch (InvocationTargetException e) {

   // TODO Auto-generated catch block

   e.printStackTrace();

  } catch (InterruptedException e) {

   // TODO Auto-generated catch block

   e.printStackTrace();

  }

  return true;

 }

 private InputStream openContentStream() {

  String contents = "This is the initial file contents for *.mpe file that should be word-sorted in the Preview page of the multi-page editor";

  return new ByteArrayInputStream(contents.getBytes());

 }

 private void throwCoreException(String message) throws CoreException {

  IStatus status = new Status(IStatus.ERROR, "lhplugin", IStatus.OK,

    message, null);

  throw new CoreException(status);

 }

 public void init(IWorkbench workbench, IStructuredSelection selection) {

  this.selection = selection;

 }

}

 以下表示添加页面  添加的页面 比如SqlNewWizardPage  必须extends WizardPage

 public void addPages() {

  page = new SqlNewWizardPage(selection);

  this.setWindowTitle("sql帮组类生成工具 作者：小琼琼");

  addPage(page);

 }

 下面是向导页面

package lhplugin.wizards;

import java.sql.Connection;

import java.sql.DriverManager;

import javax.swing.JFileChooser;

import javax.swing.JOptionPane;

import lhplugin.utils.SampleUtils;

import org.eclipse.core.resources.IFile;

import org.eclipse.core.resources.IResource;

import org.eclipse.jdt.core.IJavaElement;

import org.eclipse.jdt.core.IPackageFragment;

import org.eclipse.jdt.core.JavaCore;

import org.eclipse.jface.dialogs.IDialogPage;

import org.eclipse.jface.dialogs.MessageDialog;

import org.eclipse.jface.viewers.ISelection;

import org.eclipse.jface.viewers.IStructuredSelection;

import org.eclipse.jface.wizard.WizardPage;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.FocusEvent;

import org.eclipse.swt.events.FocusListener;

import org.eclipse.swt.events.ModifyEvent;

import org.eclipse.swt.events.ModifyListener;

import org.eclipse.swt.events.SelectionAdapter;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.layout.FormAttachment;

import org.eclipse.swt.layout.FormData;

import org.eclipse.swt.layout.FormLayout;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.Combo;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Group;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Text;

public class SqlNewWizardPage extends WizardPage {

 private ISelection selection;

 private Group group1;

 private Button button2;

 private Button button1;

 private Label label5;

 private Label label4;

 private Text text3;

 private Text text2;

 private Label label3;

 private Text text1;

 private Combo cboDb;

 private Label label2;

 private Text txtUrl;

 private Label label1;

 public SqlNewWizardPage(ISelection selection) {

  super("sql帮组类生成工具向导页面");

  setTitle(" LH-SQL帮组类生成工具");

  setDescription("/n LH产品 提供商 提供 此工具 ，此 插件 那是 相当的nb");

  this.selection = selection;

 }

 public void addSpaceGraid(Composite container, int length) {

  for (int i = 0; i < length; i++) {

   Label temp = new Label(container, SWT.NULL);

  }

 }

 private void initGUI(Composite parent) {

  try {

   final Composite container=new Composite(parent,SWT.NULL);

   GridLayout thisLayout = new GridLayout();

   thisLayout.makeColumnsEqualWidth = true;

   container.setLayout(thisLayout);

   container.setSize(481, 234);

   {

    group1 = new Group(container, SWT.NONE);

    FormLayout group1Layout = new FormLayout();

    group1.setLayout(group1Layout);

    GridData group1LData = new GridData();

    group1LData.widthHint = 452;

    group1LData.heightHint = 193;

    group1.setLayoutData(group1LData);

    group1.setText("jdbc/u6a21/u677f/u5c5e/u6027");

    {

     button1 = new Button(group1, SWT.PUSH | SWT.CENTER);

     FormData button1LData = new FormData();

     button1LData.left =  new FormAttachment(0, 1000, 331);

     button1LData.top =  new FormAttachment(0, 1000, 153);

     button1LData.width = 60;

     button1LData.height = 22;

     button1.setLayoutData(button1LData);

     button1.setText("/u6d4b/u8bd5/u8fde/u63a5");

     button1.addSelectionListener(new SelectionAdapter() {

      @Override

      public void widgetSelected(SelectionEvent e) {

       // TODO Auto-generated method stub

       MessageDialog.openInformation(container.getShell(), "警告消息", "改功能暂未实现");

      }

     });

    }

    {

     FormData cboDbLData = new FormData();

     cboDbLData.left =  new FormAttachment(0, 1000, 110);

     cboDbLData.top =  new FormAttachment(0, 1000, 15);

     cboDbLData.width = 266;

     cboDbLData.height = 20;

     cboDb = new Combo(group1, SWT.NONE);

     cboDb.setLayoutData(cboDbLData);

     cboDb.setItems(new java.lang.String[] {"mysql","oracle","sqlserver","db2","sybase","odbc","postgresql","informix"});

     cboDb.addModifyListener(new ModifyListener() {

      public void modifyText(ModifyEvent evt) {

       Combo cbo=(Combo)evt.getSource();

       if("mysql".equals(cbo.getText()))

       {

        txtUrl.setText("jdbc:mysql://[localhost]:3306/dbname");

        text1.setText("com.mysql.jdbc.Driver");

       }

       if("oracle".equals(cbo.getText()))

       {

        txtUrl.setText("jdbc:oracle:thin:@localhost:1521:dbname");

        text1.setText("oracle.jdbc.driver.OracleDriver");

       }

       if("sqlserver".equals(cbo.getText()))

       {

        txtUrl.setText("jdbc:microsoft:sqlserver://localhost:1433;databaseName=dbname");

        text1.setText("com.microsoft.jdbc.sqlserver.SQLServerDriver");

       }

       if("db2".equals(cbo.getText()))

       {

        txtUrl.setText("jdbc:db2://192.9.200.108:6789/dbname");

        text1.setText("com.ibm.db2.jdbc.net.DB2Driver");

       }

       if("sybase".equals(cbo.getText()))

       {

        txtUrl.setText("jdbc:sybase:Tds:localhost:2638");

        text1.setText("com.sybase.jdbc2.jdbc.SybDriver");

       }

       if("informix".equals(cbo.getText()))

       {

        txtUrl.setText("jdbc:informix-sqli://localhost:1533");

        text1.setText("com.informix.jdbc.IfxDriver");

       }

       if("postgresql".equals(cbo.getText()))

       {

        txtUrl.setText("jdbc:postgresql://localhost:port/dbname");

        text1.setText("org.postgresql.Driver");

       }

       if("odbc".equals(cbo.getText()))

       {

        txtUrl.setText("jdbc:odbc:dbname");

        text1.setText("sun.jdbc.odbc.JdbcOdbcDriver");

       }

       //TODO add your code for cboDb.modifyTextPostgresql

       text2.setText("dba");

       text3.setText("sql");

      }

     });

    }

    {

     label2 = new Label(group1, SWT.NONE);

     FormData label2LData = new FormData();

     label2LData.left =  new FormAttachment(0, 1000, 38);

     label2LData.top =  new FormAttachment(0, 1000, 20);

     label2LData.width = 60;

     label2LData.height = 12;

     label2.setLayoutData(label2LData);

     label2.setText("/u6570/u636e/u5e93/u9009/u62e9");

    }

    {

     FormData txtUrlLData = new FormData();

     txtUrlLData.left =  new FormAttachment(0, 1000, 110);

     txtUrlLData.top =  new FormAttachment(0, 1000, 44);

     txtUrlLData.width = 283;

     txtUrlLData.height = 12;

     txtUrl = new Text(group1, SWT.BORDER|SWT.SINGLE);

     txtUrl.setLayoutData(txtUrlLData);

     txtUrl.setOrientation(SWT.HORIZONTAL);

    }

    {

     label1 = new Label(group1, SWT.NONE);

     FormData label1LData = new FormData();

     label1LData.width = 52;

     label1LData.height = 22;

     label1LData.left =  new FormAttachment(89, 1000, 0);

     label1LData.right =  new FormAttachment(204, 1000, 0);

     label1LData.top =  new FormAttachment(230, 1000, 0);

     label1LData.bottom =  new FormAttachment(344, 1000, 0);

     label1.setLayoutData(label1LData);

     label1.setText("/u8fde/u63a5url");

    }

    {

     text1 = new Text(group1, SWT.SINGLE | SWT.BORDER);

     FormData text1LData = new FormData();

     text1LData.left =  new FormAttachment(0, 1000, 110);

     text1LData.top =  new FormAttachment(0, 1000, 71);

     text1LData.width = 283;

     text1LData.height = 12;

     text1.setLayoutData(text1LData);

     text1.setOrientation(SWT.HORIZONTAL);

    }

    {

     label3 = new Label(group1, SWT.NONE);

     FormData label3LData = new FormData();

     label3LData.left =  new FormAttachment(0, 1000, 42);

     label3LData.top =  new FormAttachment(0, 1000, 71);

     label3LData.width = 50;

     label3LData.height = 18;

     label3.setLayoutData(label3LData);

     label3.setText("/u8fde/u63a5/u7c7b");

    }

    {

     text2 = new Text(group1, SWT.SINGLE | SWT.BORDER);

     FormData text2LData = new FormData();

     text2LData.left =  new FormAttachment(0, 1000, 110);

     text2LData.top =  new FormAttachment(0, 1000, 97);

     text2LData.width = 283;

     text2LData.height = 12;

     text2.setLayoutData(text2LData);

     text2.setOrientation(SWT.HORIZONTAL);

    }

    {

     text3 = new Text(group1, SWT.SINGLE | SWT.BORDER);

     FormData text3LData = new FormData();

     text3LData.left =  new FormAttachment(0, 1000, 110);

     text3LData.top =  new FormAttachment(0, 1000, 123);

     text3LData.width = 283;

     text3LData.height = 12;

     text3.setLayoutData(text3LData);

     text3.setOrientation(SWT.HORIZONTAL);

    }

    {

     label4 = new Label(group1, SWT.NONE);

     FormData label4LData = new FormData();

     label4LData.left =  new FormAttachment(0, 1000, 42);

     label4LData.top =  new FormAttachment(0, 1000, 97);

     label4LData.width = 50;

     label4LData.height = 18;

     label4.setLayoutData(label4LData);

     label4.setText("/u7528/u6237/u540d");

    }

    {

     label5 = new Label(group1, SWT.NONE);

     FormData label5LData = new FormData();

     label5LData.left =  new FormAttachment(0, 1000, 48);

     label5LData.top =  new FormAttachment(0, 1000, 123);

     label5LData.width = 50;

     label5LData.height = 18;

     label5.setLayoutData(label5LData);

     label5.setText("/u5bc6/u7801");

    }

   }

   this.setControl(container);

  } catch (Exception e) {

   e.printStackTrace();

  }

 }

 public void createControl(Composite parent) {

  initGUI(parent);

  initialize();

 }

 public IPackageFragment pac=null;

 private void initialize() {

  if (selection != null && selection.isEmpty() == false

    && selection instanceof IStructuredSelection) {

   IStructuredSelection ssel = (IStructuredSelection) selection;

   if (ssel.size() > 1)

    return;

   Object obj = ssel.getFirstElement();

   if (obj instanceof IPackageFragment) {

    pac=(IPackageFragment)obj;

    // containerText.setText(container.getFullPath().toString());

   }else

   {

    updateStatus("请选择包文件");

   }

  }

 }

 private void updateStatus(String message) {

  setErrorMessage(message);

  setPageComplete(message == null);

 }

 public String getContainerName() {

  return "q";

 }

 public ISelection getSelection() {

  return selection;

 }

 public void setSelection(ISelection selection) {

  this.selection = selection;

 }

 public Group getGroup1() {

  return group1;

 }

 public void setGroup1(Group group1) {

  this.group1 = group1;

 }

 public Button getButton2() {

  return button2;

 }

 public void setButton2(Button button2) {

  this.button2 = button2;

 }

 public Button getButton1() {

  return button1;

 }

 public void setButton1(Button button1) {

  this.button1 = button1;

 }

 public Label getLabel5() {

  return label5;

 }

 public void setLabel5(Label label5) {

  this.label5 = label5;

 }

 public Label getLabel4() {

  return label4;

 }

 public void setLabel4(Label label4) {

  this.label4 = label4;

 }

 public Text getText3() {

  return text3;

 }

 public void setText3(Text text3) {

  this.text3 = text3;

 }

 public Text getText2() {

  return text2;

 }

 public void setText2(Text text2) {

  this.text2 = text2;

 }

 public Label getLabel3() {

  return label3;

 }

 public void setLabel3(Label label3) {

  this.label3 = label3;

 }

 public Text getText1() {

  return text1;

 }

 public void setText1(Text text1) {

  this.text1 = text1;

 }

 public Combo getCboDb() {

  return cboDb;

 }

 public void setCboDb(Combo cboDb) {

  this.cboDb = cboDb;

 }

 public Label getLabel2() {

  return label2;

 }

 public void setLabel2(Label label2) {

  this.label2 = label2;

 }

 public Text getTxtUrl() {

  return txtUrl;

 }

 public void setTxtUrl(Text txtUrl) {

  this.txtUrl = txtUrl;

 }

 public Label getLabel1() {

  return label1;

 }

 public void setLabel1(Label label1) {

  this.label1 = label1;

 }

 public IPackageFragment getPac() {

  return pac;

 }

 public void setPac(IPackageFragment pac) {

  this.pac = pac;

 }

}

initGUI方法表示初始 向导页面 这个页面可以从 jigloo插件生成的页面拷贝过来用

用于生成代码的帮族类

JdbcGen

package lhplugin.utils;

import java.util.*;

public class JdbcGen

{

  protected static String nl;

  public static synchronized JdbcGen create(String lineSeparator)

  {

    nl = lineSeparator;

    JdbcGen result = new JdbcGen();

    nl = null;

    return result;

  }

  public final String NL = nl == null ? (System.getProperties().getProperty("line.separator")) : nl;

  protected final String TEXT_1 = NL + "package ";

  protected final String TEXT_2 = ";" + NL + "" + NL + "import java.sql.*;" + NL + "import java.util.*;" + NL + "" + NL + "public class ";

  protected final String TEXT_3 = "{" + NL + "/tprivate static String url=/"";

  protected final String TEXT_4 = "/";" + NL + "/tprivate static String clsName=/"";

  protected final String TEXT_5 = "/";" + NL + "/tprivate static String uid=/"";

  protected final String TEXT_6 = "/";" + NL + "/tprivate static String pwd=/"";

  protected final String TEXT_7 = "/";" + NL + "/tpublic static synchronized Connection getConnection() throws SQLException {" + NL + "/t/tConnection conn = null;" + NL + "" + NL + "/t/ttry {" + NL + "" + NL + "/t/t/tClass.forName(clsName);" + NL + "/t/t/tconn=DriverManager.getConnection(url, uid, pwd);" + NL + "/t/t} catch (Exception e) {" + NL + "/t/t/te.printStackTrace();" + NL + "/t/t}" + NL + "/t/treturn conn;" + NL + "/t}" + NL + "/tpublic static void closeConnection(Connection con) {" + NL + "" + NL + "/t/ttry {" + NL + "/t/t/tif(con!=null)" + NL + "/t/t/tcon.close();" + NL + "/t/t} catch (SQLException e) {" + NL + "/t/t/t// TODO Auto-generated catch block" + NL + "/t/t/te.printStackTrace();" + NL + "/t/t}" + NL + "" + NL + "/t}" + NL + "/tpublic static boolean execute(String sql) {" + NL + "/t/tboolean bool = false;" + NL + "/t/tConnection conn = null;" + NL + "" + NL + "/t/ttry {" + NL + "/t/t/tconn = getConnection();" + NL + "/t/t/tif (null != conn) {" + NL + "/t/t/t/tStatement sm = conn.createStatement();" + NL + "/t/t/t/tbool = sm.execute(sql);" + NL + "/t/t/t}" + NL + "/t/t} catch (SQLException e) {" + NL + "" + NL + "/t/t} finally {" + NL + "/t/t/tcloseConnection(conn);" + NL + "/t/t}" + NL + "/t/treturn bool;" + NL + "/t}" + NL + "/tpublic static boolean execute(Connection con, String sql) {" + NL + "/t/tboolean bool = false;" + NL + "/t/tConnection conn = con;" + NL + "" + NL + "/t/ttry {" + NL + "/t/t/tif (null != conn) {" + NL + "/t/t/t/tStatement sm = conn.createStatement();" + NL + "/t/t/t/tbool = sm.execute(sql);" + NL + "/t/t/t}" + NL + "/t/t} catch (SQLException e) {" + NL + "" + NL + "/t/t} finally {" + NL + "/t/t/tcloseConnection(conn);" + NL + "/t/t}" + NL + "/t/treturn bool;" + NL + "/t}" + NL + "/t" + NL + "/tpublic static boolean execute(String sql, Object[] param) {" + NL + "/t/tboolean bool = false;" + NL + "/t/tConnection conn = null;" + NL + "" + NL + "/t/ttry {" + NL + "/t/t/tconn = getConnection();" + NL + "/t/t/tif (null != conn) {" + NL + "/t/t/t/tPreparedStatement sm = conn.prepareStatement(sql);" + NL + "/t/t/t/tfor (int i = 0; i < param.length; i++) {" + NL + "/t/t/t/t/tsm.setObject(i + 1, param[i]);" + NL + "/t/t/t/t}" + NL + "/t/t/t/tbool = sm.execute();" + NL + "/t/t/t}" + NL + "/t/t} catch (SQLException e) {" + NL + "/t/t/te.printStackTrace();" + NL + "/t/t} finally {" + NL + "/t/t/tcloseConnection(conn);" + NL + "/t/t}" + NL + "" + NL + "/t/treturn bool;" + NL + "/t}" + NL + "/tpublic static boolean[] execute(String[] sqlList) {" + NL + "/t/tboolean[] bool = new boolean[sqlList.length];" + NL + "/t/tint i = 0;" + NL + "/t/tfor (String sql : sqlList) {" + NL + "/t/t/tbool[i++] = execute(sql);" + NL + "/t/t}" + NL + "" + NL + "/t/treturn bool;" + NL + "/t}" + NL + "/tpublic static Object getUniqueValue(String sql, Object[] param) {" + NL + "/t/tConnection conn = null;" + NL + "/t/ttry {" + NL + "/t/t/tconn = getConnection();" + NL + "/t/t/tif (null != conn) {" + NL + "/t/t/t/tPreparedStatement sm = conn.prepareStatement(sql);" + NL + "/t/t/t/tif (param != null) {" + NL + "/t/t/t/t/tfor (int i = 0; i < param.length; i++) {" + NL + "/t/t/t/t/t/tsm.setObject(i + 1, param[i]);" + NL + "/t/t/t/t/t}" + NL + "/t/t/t/t}" + NL + "/t/t/t/tResultSet set = sm.executeQuery();" + NL + "/t/t/t/tset.next();" + NL + "/t/t/t/treturn set.getObject(1);" + NL + "" + NL + "/t/t/t}" + NL + "/t/t} catch (SQLException e) {" + NL + "/t/t/te.printStackTrace();" + NL + "/t/t} finally {" + NL + "/t/t/tcloseConnection(conn);" + NL + "/t/t}" + NL + "/t/treturn null;" + NL + "/t}" + NL + "/tpublic static Object getUniqueValue(String sql, List param) {" + NL + "/t/tConnection conn = null;" + NL + "/t/ttry {" + NL + "/t/t/tconn = getConnection();" + NL + "/t/t/tif (null != conn) {" + NL + "/t/t/t/tPreparedStatement sm = conn.prepareStatement(sql);" + NL + "/t/t/t/tif (param != null) {" + NL + "/t/t/t/t/tfor (int i = 0; i < param.size(); i++) {" + NL + "/t/t/t/t/t/tsm.setObject(i + 1, param.get(i));" + NL + "/t/t/t/t/t}" + NL + "/t/t/t/t}" + NL + "/t/t/t/tResultSet set = sm.executeQuery();" + NL + "/t/t/t/tset.next();" + NL + "/t/t/t/treturn set.getObject(1);" + NL + "" + NL + "/t/t/t}" + NL + "/t/t} catch (SQLException e) {" + NL + "/t/t/te.printStackTrace();" + NL + "/t/t} finally {" + NL + "/t/t/tcloseConnection(conn);" + NL + "/t/t}" + NL + "/t/treturn null;" + NL + "/t}" + NL + "/tpublic static int getCount(String sql) {" + NL + "/t/tint count = 0;" + NL + "/t/tString[][] list = null;" + NL + "/t/tlist = queryArray(sql, 1);" + NL + "/t/tif (null != list) {" + NL + "/t/t/tcount = Integer.parseInt(list[1][0]);" + NL + "/t/t}" + NL + "/t/treturn count;" + NL + "/t}" + NL + "/t//该方法必须添加jstl支持" + NL + "/tpublic static SortedMap[] queryList(String sql, Object[] param) {" + NL + "/t/tConnection conn = null;" + NL + "/t/tPreparedStatement ps = null;" + NL + "/t/tResultSet rs = null;" + NL + "" + NL + "/t/ttry {" + NL + "/t/t/tconn = getConnection();" + NL + "" + NL + "/t/t/tps = conn.prepareStatement(sql, ResultSet.TYPE_SCROLL_INSENSITIVE," + NL + "/t/t/t/t/tResultSet.CONCUR_READ_ONLY);" + NL + "/t/t/tif (param != null) {" + NL + "/t/t/t/tfor (int i = 0; i < param.length; i++) {" + NL + "/t/t/t/t/tps.setObject(i + 1, param[i]);" + NL + "/t/t/t/t}" + NL + "/t/t/t}" + NL + "/t/t/trs = ps.executeQuery();" + NL + "/t/t/tResult result = ResultSupport.toResult(rs);" + NL + "/t/t/treturn result.getRows();" + NL + "" + NL + "/t/t} catch (SQLException e) {" + NL + "/t/t/te.printStackTrace();" + NL + "/t/t} finally {" + NL + "/t/t/tcloseConnection(conn);" + NL + "/t/t}" + NL + "/t/treturn null;" + NL + "/t}" + NL + "/tpublic static SortedMap[] queryList(String sql, List param) {" + NL + "/t/tConnection conn = null;" + NL + "/t/tPreparedStatement ps = null;" + NL + "/t/tResultSet rs = null;" + NL + "" + NL + "/t/ttry {" + NL + "/t/t/tconn = getConnection();" + NL + "" + NL + "/t/t/tps = conn.prepareStatement(sql, ResultSet.TYPE_SCROLL_INSENSITIVE," + NL + "/t/t/t/t/tResultSet.CONCUR_READ_ONLY);" + NL + "/t/t/tif (param != null) {" + NL + "/t/t/t/tfor (int i = 0; i < param.size(); i++) {" + NL + "/t/t/t/t/tps.setObject(i + 1, param.get(i));" + NL + "/t/t/t/t}" + NL + "/t/t/t}" + NL + "/t/t/trs = ps.executeQuery();" + NL + "/t/t/tResult result = ResultSupport.toResult(rs);" + NL + "/t/t/treturn result.getRows();" + NL + "" + NL + "/t/t} catch (SQLException e) {" + NL + "/t/t/te.printStackTrace();" + NL + "/t/t} finally {" + NL + "/t/t/tcloseConnection(conn);" + NL + "/t/t}" + NL + "/t/treturn null;" + NL + "/t}" + NL + "/t//取0开始的count条记录" + NL + "/tpublic static SortedMap[] queryList(String sql, List param, int count) {" + NL + "/t/treturn queryList(sql,param,0,count);" + NL + "/t}" + NL + "/t//取指定location位置开始 count的数量的记录集合" + NL + "/tpublic static SortedMap[] queryList(String sql, List param, int location," + NL + "/t/t/tint count) {" + NL + "/t/tConnection conn = null;" + NL + "/t/tPreparedStatement ps = null;" + NL + "/t/tResultSet rs = null;" + NL + "" + NL + "/t/ttry {" + NL + "/t/t/tconn = getConnection();" + NL + "" + NL + "/t/t/tps = conn.prepareStatement(sql, ResultSet.TYPE_SCROLL_INSENSITIVE," + NL + "/t/t/t/t/tResultSet.CONCUR_READ_ONLY);" + NL + "/t/t/tif (param != null) {" + NL + "/t/t/t/tfor (int i = 0; i < param.size(); i++) {" + NL + "/t/t/t/t/tps.setObject(i + 1, param.get(i));" + NL + "/t/t/t/t}" + NL + "/t/t/t}" + NL + "/t/t/trs = ps.executeQuery();" + NL + "/t/t/tResult result = null;" + NL + "/t/t/tif (location != -1)" + NL + "/t/t/t/tresult = new ResultImpl(rs, location, count);" + NL + "/t/t/telse" + NL + "/t/t/t/tresult = ResultSupport.toResult(rs);" + NL + "/t/t/treturn result.getRows();" + NL + "" + NL + "/t/t} catch (SQLException e) {" + NL + "/t/t/te.printStackTrace();" + NL + "/t/t} finally {" + NL + "/t/t/tcloseConnection(conn);" + NL + "/t/t}" + NL + "/t/treturn null;" + NL + "/t}" + NL + "/tpublic static String[][] queryArray(String sql, int limit) {" + NL + "/t/tlimit += 1;" + NL + "/t/tString[][] list = null;" + NL + "/t/tConnection conn = null;" + NL + "/t/tPreparedStatement ps = null;" + NL + "/t/tResultSet rs = null;" + NL + "" + NL + "/t/ttry {" + NL + "/t/t/tconn = getConnection();" + NL + "/t/t/tif (null == conn) {" + NL + "/t/t/t/treturn list;" + NL + "/t/t/t}" + NL + "/t/t/tps = conn.prepareStatement(sql, ResultSet.TYPE_SCROLL_INSENSITIVE," + NL + "/t/t/t/t/tResultSet.CONCUR_READ_ONLY);" + NL + "/t/t/trs = ps.executeQuery();" + NL + "" + NL + "/t/t/tif (rs == null) {" + NL + "/t/t/t/treturn list;" + NL + "/t/t/t}" + NL + "/t/t/tResultSetMetaData meta = rs.getMetaData();" + NL + "/t/t/tint columnNumber = meta.getColumnCount();" + NL + "/t/t/tlist = new String[limit][];" + NL + "/t/t/tlist[0] = new String[columnNumber];" + NL + "/t/t/tfor (int i = 0; i < columnNumber; i++) {" + NL + "/t/t/t/tlist[0][i] = meta.getColumnName(i + 1);" + NL + "/t/t/t}" + NL + "/t/t/tint x = 0;" + NL + "/t/t/twhile (rs.next()) {" + NL + "/t/t/t/tx++;" + NL + "/t/t/t/tif (x == limit)" + NL + "/t/t/t/t/tbreak;" + NL + "/t/t/t/tlist[x] = new String[columnNumber];" + NL + "/t/t/t/tfor (int i = 0; i < columnNumber; i++) {" + NL + "/t/t/t/t/tlist[x][i] = rs.getString(i + 1);" + NL + "/t/t/t/t}" + NL + "/t/t/t}" + NL + "" + NL + "/t/t} catch (SQLException e) {" + NL + "" + NL + "/t/t} finally {" + NL + "/t/t/tcloseConnection(conn);" + NL + "/t/t}" + NL + "/t/treturn list;" + NL + "/t}" + NL + "}" + NL + NL;

  protected final String TEXT_8 = NL;

  public String generate(Object argument)

  {

    final StringBuffer stringBuffer = new StringBuffer();

   ConnectEntry utils=(ConnectEntry)argument;

   String clsName=utils.getClsName();

   String url=utils.getUrl();

   String uid=utils.getUid();

   String pwd=utils.getPwd();

   String pac=utils.getPac();

   String cls=utils.getCls();

    stringBuffer.append(TEXT_1);

    stringBuffer.append(pac);

    stringBuffer.append(TEXT_2);

    stringBuffer.append(cls);

    stringBuffer.append(TEXT_3);

    stringBuffer.append(url);

    stringBuffer.append(TEXT_4);

    stringBuffer.append(clsName);

    stringBuffer.append(TEXT_5);

    stringBuffer.append(uid);

    stringBuffer.append(TEXT_6);

    stringBuffer.append(pwd);

    stringBuffer.append(TEXT_7);

    stringBuffer.append(TEXT_8);

    return stringBuffer.toString();

  }

}