Java执行SQL脚本文件到数据库详解

  @Autowired
  private RunSqlDao runSqlDao;
  
  /**
   * 读取文件内容到SQL中执行
   * @param sqlPath SQL文件的路径：如：D:/TestProject/web/sql/脚本.Sql
   */
  public void runSqlByReadFileContent(String sqlPath) throws Exception {
    try {
       
      String sqlStr = readFileByLines(sqlPath);
      // System.out.println("获得的文本：" + sqlStr);
      if (sqlStr.length() > 0) {
        runSqlDao.runSqlBySqlStr(sqlStr);
      }
    } catch (Exception e) {
      e.printStackTrace();
      throw e;
    }
  }
  
  /**
   * 以行为单位读取文件，常用于读面向行的格式化文件
   */
  private String readFileByLines(String filePath) throws Exception {
    StringBuffer str = new StringBuffer();
    BufferedReader reader = null;
    try {
      reader = new BufferedReader(new InputStreamReader(
          new FileInputStream(filePath), "UTF-8"));
      String tempString = null;
      int line = 1;
      // 一次读入一行，直到读入null为文件结束
      while ((tempString = reader.readLine()) != null) {
        // 显示行号
        // System.out.println("line " + line + ": " + tempString);

        str = str.append(" " + tempString);
        line++;
      }
      reader.close();
    } catch (IOException e) {
      e.printStackTrace();
      throw e;
    } finally {
      if (reader != null) {
        try {
          reader.close();
        } catch (IOException e1) {
        }
      }
    }

    return str.toString();
  }

  /**
   * @param sqlStr
   */
  public void runSqlBySqlStr(String sqlStr) {
    Map<String,Object> map=new HashMap<String,Object>();
    map.put("sqlStr", sqlStr);
    sqlSessionTemplate.selectList("runSql.runSqlBySqlStr", map);
  }

<mapper namespace="runSql">

<select id="runSqlBySqlStr" parameterType="map">
<![CDATA[ ${sqlStr}]]>
</select>

</mapper>

  /**
   * 执行sql脚本文件 使用ScriptRunner
   * @param sqlPath SQL文件的路径：如：D:/TestProject/web/sql/脚本.Sql
   */
  public void runSqlByScriptRunner(String sqlPath) throws Exception {
    try {
      SqlSession sqlSession = sqlSessionFactory.openSession();
      Connection conn = sqlSession.getConnection();
      ScriptRunner runner = new ScriptRunner(conn);
      runner.setEscapeProcessing(false);
      runner.setSendFullScript(true);      
      runner.runScript(new InputStreamReader(new FileInputStream(sqlPath), "UTF-8"));
    } catch (Exception e) {
      e.printStackTrace();
      throw e;
    }
  }

  /**
   * 执行sql脚本文件 使用Spring工具类
   */
  public void runSqlBySpringUtils() throws Exception {
    try {
      SqlSession sqlSession = sqlSessionFactory.openSession();
      Connection conn = sqlSession.getConnection();
      ClassPathResource rc = new ClassPathResource("脚本.Sql", RunSqlDao.class);
      ScriptUtils.executeSqlScript(conn, rc);
    } catch (Exception e) {
      e.printStackTrace();
      throw e;
    }
  }

  /**
   * 执行sql脚本文件 使用Spring工具类
   */
  public void runSqlBySpringUtils() throws Exception {
    try {
      SqlSession sqlSession = sqlSessionFactory.openSession();
      Connection conn = sqlSession.getConnection();
      ClassPathResource rc = new ClassPathResource("脚本.Sql", RunSqlDao.class);
      EncodedResource er = new EncodedResource(rc, "utf-8");
      ScriptUtils.executeSqlScript(conn, er);
    } catch (Exception e) {
      e.printStackTrace();
      throw e;
    }
  }