Class CommonController

boot/src/main/java/com/controller/CommonController.java:43–685

通用接口

 * 通用接口
 */
@RestController
public class CommonController {
    private static final Logger logger = LoggerFactory.getLogger(CommonController.class);
    @Autowired
    private CommonService commonService;


    /**
     * Java代码实现MySQL数据库导出
     *
     * @param mysqlUrl     MySQL安装路径
     * @param hostIP       MySQL数据库所在服务器地址IP
     * @param userName     进入数据库所需要的用户名
     * @param hostPort     数据库端口
     * @param password     进入数据库所需要的密码
     * @param savePath     数据库文件保存路径
     * @param fileName     数据库导出文件文件名
     * @param databaseName 要导出的数据库名
     * @return 返回true表示导出成功，否则返回false。
     */
    @IgnoreAuth
    @RequestMapping("/beifen")
    public R beifen(String mysqlUrl, String hostIP, String userName, String hostPort, String password, String savePath, String fileName, String databaseName) {
        File saveFile = new File(savePath);
        if (!saveFile.exists()) {// 如果目录不存在 
            saveFile.mkdirs();// 创建文件夹 
        }
        if (!savePath.endsWith(File.separator)) {
            savePath = savePath + File.separator;
        }
        PrintWriter printWriter = null;
        BufferedReader bufferedReader = null;
        try {
            Runtime runtime = Runtime.getRuntime();
            String cmd = mysqlUrl + "mysqldump -h" + hostIP + " -u" + userName + " -P" + hostPort + " -p" + password + " " + databaseName;
            runtime.exec(cmd);
            Process process = runtime.exec(cmd);
            InputStreamReader inputStreamReader = new InputStreamReader(process.getInputStream(), "utf8");
            bufferedReader = new BufferedReader(inputStreamReader);
            printWriter = new PrintWriter(new OutputStreamWriter(new FileOutputStream(savePath + fileName), "utf8"));
            String line;
            while ((line = bufferedReader.readLine()) != null) {
                printWriter.println(line);
            }
            printWriter.flush();
        } catch (Exception e) {
            e.printStackTrace();
            return R.error("备份数据出错");
        } finally {
            try {
                if (bufferedReader != null) {
                    bufferedReader.close();
                }
                if (printWriter != null) {
                    printWriter.close();
                }
            } catch (Exception e) {
                e.printStackTrace();