添加AutoConnection和自动获取连接

src/Main.java

@@ -1,27 +1,30 @@
 import com.sqlpal.SqlPal;
-import com.sqlpal.exception.ConnectionException;
+import com.sqlpal.crud.DataSupport;
 import entity.News;
 
+import java.sql.ResultSet;
 import java.sql.SQLException;
+import java.sql.Statement;
 
 public class Main {
 
     public static void main(String[] args) {
         SqlPal.init();
 
         try {
-            SqlPal.begin();
 
-            News news = new News();
-            news.setId(816);
-            news.setTitle("aaa");
-            news.save();
-
-            SqlPal.end();
-        } catch (SQLException | ConnectionException e) {
+            Statement stmt = DataSupport.executeQuery("select * from news");
+            ResultSet rs = stmt.getResultSet();
+            while (rs.next()) {
+                System.out.println(rs.getString("title"));
+            }
+        } catch (SQLException e) {
             e.printStackTrace();
+        } finally {
+            SqlPal.end();
         }
 
+
         SqlPal.destroy();
     }
 }

src/com/sqlpal/AutoConnection.java

@@ -0,0 +1,11 @@
+package com.sqlpal;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+
+/**
+ * 自动关闭Statement
+ */
+public interface AutoConnection extends Connection{
+    void closeStatements() throws SQLException;
+}

src/com/sqlpal/MyConnection.java

@@ -0,0 +1,321 @@
+package com.sqlpal.manager;
+
+import com.sqlpal.AutoConnection;
+
+import java.sql.*;
+import java.util.Map;
+import java.util.Properties;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.Executor;
+
+public class MyConnection implements AutoConnection {
+    private Connection conn;
+    private ConcurrentLinkedQueue<Statement> statements = new ConcurrentLinkedQueue<>();
+
+    public MyConnection(Connection conn) {
+        this.conn = conn;
+    }
+
+    @Override
+    public Statement createStatement() throws SQLException {
+        Statement stmt = conn.createStatement();
+        statements.add(stmt);
+        return stmt;
+    }
+
+    @Override
+    public PreparedStatement prepareStatement(String sql) throws SQLException {
+        PreparedStatement stmt = conn.prepareStatement(sql);
+        statements.add(stmt);
+        return stmt;
+    }
+
+    @Override
+    public CallableStatement prepareCall(String sql) throws SQLException {
+        CallableStatement stmt = conn.prepareCall(sql);
+        statements.add(stmt);
+        return stmt;
+    }
+
+    @Override
+    public String nativeSQL(String sql) throws SQLException {
+        return conn.nativeSQL(sql);
+    }
+
+    @Override
+    public void setAutoCommit(boolean autoCommit) throws SQLException {
+        conn.setAutoCommit(autoCommit);
+    }
+
+    @Override
+    public boolean getAutoCommit() throws SQLException {
+        return conn.getAutoCommit();
+    }
+
+    @Override
+    public void commit() throws SQLException {
+        conn.commit();
+    }
+
+    @Override
+    public void rollback() throws SQLException {
+        conn.rollback();
+    }
+
+    @Override
+    public void close() throws SQLException {
+        closeStatements();
+        conn.close();
+    }
+
+    @Override
+    public boolean isClosed() throws SQLException {
+        return conn.isClosed();
+    }
+
+    @Override
+    public DatabaseMetaData getMetaData() throws SQLException {
+        return conn.getMetaData();
+    }
+
+    @Override
+    public void setReadOnly(boolean readOnly) throws SQLException {
+        conn.setReadOnly(readOnly);
+    }
+
+    @Override
+    public boolean isReadOnly() throws SQLException {
+        return conn.isReadOnly();
+    }
+
+    @Override
+    public void setCatalog(String catalog) throws SQLException {
+        conn.setCatalog(catalog);
+    }
+
+    @Override
+    public String getCatalog() throws SQLException {
+        return conn.getCatalog();
+    }
+
+    @Override
+    public void setTransactionIsolation(int level) throws SQLException {
+        conn.setTransactionIsolation(level);
+    }
+
+    @Override
+    public int getTransactionIsolation() throws SQLException {
+        return conn.getTransactionIsolation();
+    }
+
+    @Override
+    public SQLWarning getWarnings() throws SQLException {
+        return conn.getWarnings();
+    }
+
+    @Override
+    public void clearWarnings() throws SQLException {
+        conn.clearWarnings();
+    }
+
+    @Override
+    public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
+        Statement stmt = conn.createStatement(resultSetType, resultSetConcurrency);
+        statements.add(stmt);
+        return stmt;
+    }
+
+    @Override
+    public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
+        PreparedStatement stmt = conn.prepareStatement(sql, resultSetType, resultSetConcurrency);
+        statements.add(stmt);
+        return stmt;
+    }
+
+    @Override
+    public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
+        CallableStatement stmt = conn.prepareCall(sql, resultSetType, resultSetConcurrency);
+        statements.add(stmt);
+        return stmt;
+    }
+
+    @Override
+    public Map<String, Class<?>> getTypeMap() throws SQLException {
+        return conn.getTypeMap();
+    }
+
+    @Override
+    public void setTypeMap(Map<String, Class<?>> map) throws SQLException {
+        conn.setTypeMap(map);
+    }
+
+    @Override
+    public void setHoldability(int holdability) throws SQLException {
+        conn.setHoldability(holdability);
+    }
+
+    @Override
+    public int getHoldability() throws SQLException {
+        return conn.getHoldability();
+    }
+
+    @Override
+    public Savepoint setSavepoint() throws SQLException {
+        return conn.setSavepoint();
+    }
+
+    @Override
+    public Savepoint setSavepoint(String name) throws SQLException {
+        return conn.setSavepoint(name);
+    }
+
+    @Override
+    public void rollback(Savepoint savepoint) throws SQLException {
+        conn.rollback();
+    }
+
+    @Override
+    public void releaseSavepoint(Savepoint savepoint) throws SQLException {
+        conn.rollback(savepoint);
+    }
+
+    @Override
+    public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
+        Statement stmt = conn.createStatement(resultSetType, resultSetConcurrency, resultSetHoldability);
+        statements.add(stmt);
+        return stmt;
+    }
+
+    @Override
+    public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
+        PreparedStatement stmt = conn.prepareStatement(sql, resultSetType, resultSetConcurrency, resultSetHoldability);
+        statements.add(stmt);
+        return stmt;
+    }
+
+    @Override
+    public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
+        CallableStatement stmt = conn.prepareCall(sql, resultSetType, resultSetConcurrency, resultSetHoldability);
+        statements.add(stmt);
+        return stmt;
+    }
+
+    @Override
+    public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
+        PreparedStatement stmt = conn.prepareStatement(sql, autoGeneratedKeys);
+        statements.add(stmt);
+        return stmt;
+    }
+
+    @Override
+    public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
+        PreparedStatement stmt = conn.prepareStatement(sql, columnIndexes);
+        statements.add(stmt);
+        return stmt;
+    }
+
+    @Override
+    public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
+        PreparedStatement stmt = conn.prepareStatement(sql, columnNames);
+        statements.add(stmt);
+        return stmt;
+    }
+
+    @Override
+    public Clob createClob() throws SQLException {
+        return conn.createClob();
+    }
+
+    @Override
+    public Blob createBlob() throws SQLException {
+        return conn.createBlob();
+    }
+
+    @Override
+    public NClob createNClob() throws SQLException {
+        return conn.createNClob();
+    }
+
+    @Override
+    public SQLXML createSQLXML() throws SQLException {
+        return conn.createSQLXML();
+    }
+
+    @Override
+    public boolean isValid(int timeout) throws SQLException {
+        return conn.isValid(timeout);
+    }
+
+    @Override
+    public void setClientInfo(String name, String value) throws SQLClientInfoException {
+        conn.setClientInfo(name, value);
+    }
+
+    @Override
+    public void setClientInfo(Properties properties) throws SQLClientInfoException {
+        conn.setClientInfo(properties);
+    }
+
+    @Override
+    public String getClientInfo(String name) throws SQLException {
+        return conn.getClientInfo(name);
+    }
+
+    @Override
+    public Properties getClientInfo() throws SQLException {
+        return conn.getClientInfo();
+    }
+
+    @Override
+    public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
+        return conn.createArrayOf(typeName, elements);
+    }
+
+    @Override
+    public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
+        return conn.createStruct(typeName, attributes);
+    }
+
+    @Override
+    public void setSchema(String schema) throws SQLException {
+        conn.setSchema(schema);
+    }
+
+    @Override
+    public String getSchema() throws SQLException {
+        return conn.getSchema();
+    }
+
+    @Override
+    public void abort(Executor executor) throws SQLException {
+        conn.abort(executor);
+    }
+
+    @Override
+    public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
+        conn.setNetworkTimeout(executor, milliseconds);
+    }
+
+    @Override
+    public int getNetworkTimeout() throws SQLException {
+        return conn.getNetworkTimeout();
+    }
+
+    @Override
+    public <T> T unwrap(Class<T> iface) throws SQLException {
+        return conn.unwrap(iface);
+    }
+
+    @Override
+    public boolean isWrapperFor(Class<?> iface) throws SQLException {
+        return conn.isWrapperFor(iface);
+    }
+
+    @Override
+    public void closeStatements() throws SQLException {
+        Statement stmt;
+        while ((stmt = statements.poll()) != null) {
+            stmt.close();
+        }
+    }
+}