Here you can find the source of executeSql(Connection conn, String sql)
public static boolean executeSql(Connection conn, String sql) throws SQLException
//package com.java2s; /*//w w w .j a va 2 s . com * * Copyright 2018 FJN Corp. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * Author Date Issue * fs1194361820@163.com 2015-01-01 Initial Version * */ import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.SQLException; import java.sql.Statement; public class Main { public static boolean executeSql(Connection conn, String sql) throws SQLException { Statement stmt = null; try { stmt = conn.createStatement(); return stmt.execute(sql); } catch (Exception e) { throw e; } finally { if (stmt != null) { stmt.close(); } } } public static boolean executeSql(Connection conn, String sql, Object... params) throws SQLException { PreparedStatement pstmt = null; try { pstmt = conn.prepareStatement(sql); int i = 0; for (Object param : params) { pstmt.setObject(++i, param); } return pstmt.execute(); } catch (Exception e) { throw e; } finally { if (pstmt != null) { pstmt.close(); } } } }