package com.xxx.xxx.dao; import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; import java.sql.Statement; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import org.apache.log4j.Logger; import org.apache.log4j.PropertyConfigurator; import com.ft.hsm.Util.ConstantValue; import com.ft.hsm.Util.StringUtil; /* * 使用java以及jdbc执行sql脚本的工具示例代码 */ public class SqlHelper { private static Logger logger; static { logger = Logger.getLogger(ScreenDaoImpl.class); PropertyConfigurator.configure(ConstantValue.PATH_SCREENSERVER_LOG4J_PROPERTIES); } public static boolean createDBFromSQLFile(String SQLPath, String SQLFileCharsetName, String dbFilePath, int[] retRowsExpected) { if (StringUtil.isEmpty(SQLPath) || StringUtil.isEmpty(SQLFileCharsetName) || StringUtil.isEmpty(dbFilePath) || 0 >= retRowsExpected.length) { logger.error("参数错误"); return false; } // 检验是否己创建 File dbfile = new File(dbFilePath); if (dbfile.exists() || dbfile.isDirectory()) { logger.error(dbFilePath + "数据库文件己存在或存在同名文件夹"); return false; } // 读取SQL文件 String sql = getText(SQLPath, SQLFileCharsetName); // "UTF-8" if (StringUtil.isEmpty(sql)) { logger.error("读取SQL文件失败"); return false; } // 转换为SQL语句 List<String> sqlList = getSql(sql, SQLFileCharsetName); for (int i = 0; i < sqlList.size(); i++) { logger.info(i + ":" + sqlList.get(i)); } boolean isSuccess = false; try { // 执行SQL语句 int[] rows = SqlHelper.execute(getConn(dbFilePath), sqlList); logger.info("Row count Expected:" + Arrays.toString(retRowsExpected)); // 执行结果集鉴定 isSuccess = Arrays.equals(rows, retRowsExpected); // 调试打印执行结果集 if (null == rows || rows.length != retRowsExpected.length) { logger.error("返回结果与期望个数不符, rows.length=" + rows.length + ", retRowsExpected.length=" + retRowsExpected.length); } else { for (int index = 0; index < rows.length; index++) { logger.info("rows[" + index + "] return=" + rows[index] + ", expected=" + retRowsExpected[index] + ",sql=" + sqlList.get(index)); } } } catch (Exception e) { e.printStackTrace(); } return isSuccess; } private static Connection getConn(String dbFile) { String driver = "org.sqlite.JDBC"; // "com.mysql.jdbc.Driver"; String url = "jdbc:sqlite:" + dbFile; // "数据库连接"; // String username = "账号"; // String password = "密码"; Connection conn = null; try { Class.forName(driver); //classLoader,加载对应驱动 conn = (Connection) DriverManager.getConnection(url/*, username, password*/); } catch (ClassNotFoundException e) { e.printStackTrace(); } catch (SQLException e) { e.printStackTrace(); } return conn; } public static int[] execute(Connection conn, List<String> sqlList) throws Exception { Statement stmt = null; stmt = conn.createStatement(); for (String sql : sqlList) { sql = sql.trim(); if (sql != null && !sql.trim().equals("")) stmt.addBatch(sql); } int[] rows = stmt.executeBatch(); logger.info("Row count returned:" + Arrays.toString(rows)); conn.close(); return rows; } /* * getText方法吧path路径里面的文件按行读数来放入一个大的String里面去 * 并在换行的时候加入\r\n */ public static String getText(String path, String SQLFileCharsetName) { File file = new File(path); if (!file.exists() || file.isDirectory()) { logger.error(path + "文件不存在或存在同名文件夹"); return null; } StringBuilder sb = new StringBuilder(); try { FileInputStream fis = new FileInputStream(path); InputStreamReader isr = new InputStreamReader(fis, SQLFileCharsetName); BufferedReader br = new BufferedReader(isr); String temp = null; temp = br.readLine(); while (temp != null) { if (temp.length() >= 2) { String str1 = temp.substring(0, 1); String str2 = temp.substring(0, 2); if (str1.equals("#") || str2.equals("--") || str2.equals("/*") || str2.equals("//")) { temp = br.readLine(); continue; } sb.append(temp + "\r\n"); } temp = br.readLine(); } br.close(); } catch (Exception e) { e.printStackTrace(); } return sb.toString(); } /* * getSqlArray方法 * 从文件的sql字符串中分析出能够独立执行的sql语句并返回 */ public static List<String> getSql(String sql, String SQLFileCharsetName) { String s = sql; s = tryDeleteBOM(SQLFileCharsetName, s); s = s.replaceAll("\r\n", "\r"); s = s.replaceAll("\r\n", "\r"); s = s.replaceAll("\r", "\n"); List<String> ret = new ArrayList<String>(); String[] sqlarry = s.split(";"); //用;把所有的语句都分开成一个个单独的句子 sqlarry = filter(sqlarry); ret = Arrays.asList(sqlarry); return ret; } public static String[] filter(String[] ss) { List<String> strs = new ArrayList<String>(); for (String s : ss) { if (s != null && !s.equals("")) { strs.add(s); } } String[] result = new String[strs.size()]; for (int i = 0; i < strs.size(); i++) { result[i] = strs.get(i).toString(); } return result; } private static String tryDeleteBOM(String SQLFileCharsetName, String s) { byte[] byteSQL = null; logger.info("判断是否含有UTF-8的BOM头"); try { byteSQL = s.getBytes(SQLFileCharsetName); // 去掉UTF-8的BOM头 if (byteSQL[0] == (byte) 0xef && byteSQL[1] == (byte) 0xbb && byteSQL[2] == (byte) 0xbf) { logger.info("含有UTF-8的BOM头"); logger.info("去掉UTF-8的BOM头前" + Arrays.toString(byteSQL)); s = new String(byteSQL, 3, byteSQL.length - 3, SQLFileCharsetName); logger.info("去掉UTF-8的BOM头后为:" + Arrays.toString(s.getBytes(SQLFileCharsetName))); } else { logger.info("不含有UTF-8的BOM头"); } } catch (UnsupportedEncodingException ex) { ex.printStackTrace(); } return s; } public static void main(String[] args) { String SQLPath = "config/xxx_create.utf8.sql"; String dbFile = "db" + File.separator + "test.db"; String SQLFileCharsetName = "UTF-8"; // String SQLFileCharsetName = "GBK"; int[] retRowsExpected = { 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }; boolean isSuccess = createDBFromSQLFile(SQLPath, SQLFileCharsetName, dbFile, retRowsExpected); logger.info("创建数据库" + (isSuccess ? "成功" : "失败")); } } 