package org.springblade.modules.FTP;
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import org.apache.commons.net.ftp.FTP;
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import org.apache.commons.net.ftp.FTPClient;
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import org.apache.commons.net.ftp.FTPFile;
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import org.apache.commons.net.ftp.FTPReply;
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import org.springblade.core.tool.api.R;
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import org.springframework.scheduling.annotation.Scheduled;
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import org.springframework.stereotype.Component;
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import java.io.IOException;
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import java.io.InputStream;
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import static org.springblade.common.config.FtpConfig.*;
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/**
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* FTP读取文件
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* @author
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* @since 2021-04-26 修改
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*/
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@Component
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public class Monitor {
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/**
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* 读取文件（对象）
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* @param uuid 随机数
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* @return
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*/
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public static Result isFTPFileExist(String uuid) {
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//创建 ftp 对象
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FTPClient ftp = new FTPClient();
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boolean flag = false;
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try {
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//连接
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ftp.connect(ftpHost, ftpPort);
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// 登陆
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ftp.login(ftpUserName, ftpPassword);
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// 检验登陆操作的返回码是否正确
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if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
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ftp.disconnect();
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return new Result(400,null,"ftp 连接失败",null);
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}
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ftp.enterLocalActiveMode();
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// 设置文件类型为二进制，与ASCII有区别
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ftp.setFileType(FTP.BINARY_FILE_TYPE);
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// 设置编码格式
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ftp.setControlEncoding("GBK");
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// 检验文件是否存在
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ftp.changeWorkingDirectory(ftpPath);
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FTPFile[] files = ftp.listFiles();
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if (files.length==0){
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return new Result(400,null,"未读取到文件",null);
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} else {
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for (FTPFile file : files){
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String fileName = file.getName();
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InputStream is = ftp.retrieveFileStream(new String(fileName.getBytes("GBK"), FTP.DEFAULT_CONTROL_ENCODING));
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String substring1 = fileName.substring(0, 1);
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if (substring1.equals("n")){
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//把文件下载到本地
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FtpUtil.downloadFtpFile(ftpHost, ftpUserName, ftpPassword, ftpPort, ftpPath, localPath, fileName);
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// 解析数据
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String s = OutJson.TestJson(fileName);
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//数据处理
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Result result = DataHandler.handler(s,uuid);
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//删除本地文件
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MysqlCenlint.deletess(fileName);
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FtpUtil.deleteFile(ftpHost, ftpPort, ftpUserName, ftpPassword, ftpPath, fileName);
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is.close();
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ftp.completePendingCommand();
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if (result.getCode()==200) {
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//返回
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return new Result(200,null,"新增成功",null);
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}
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if (result.getCode()==201) {
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//返回
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return new Result(201,null,"修改成功",null);
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}
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if (result.getCode()==202) {
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//返回
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return new Result(202,null,result.getMsg(),null);
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}
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if (result.getCode()==203) {
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//返回
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return new Result(203,null,result.getMsg(),null);
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}
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}
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}
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return new Result(400,null,"未读取到对应的文件",null);
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}
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} catch (Exception e) {
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System.out.println("ftp连接失败");
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e.printStackTrace();
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} finally {
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if (ftp != null) {
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try {
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ftp.disconnect();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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return new Result(400,null,"失败",null);
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}
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/**
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* 读取内外推送的文件,每30秒读取一次
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* @return
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*/
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@Scheduled(cron = "*/30 * * * * ?")
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public static boolean isFTPFileExist() {
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FTPClient ftp = new FTPClient();
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try {
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//连接
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ftp.connect(ftpHost, ftpPort);
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// 登陆
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ftp.login(ftpUserName, ftpPassword);
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// 检验登陆操作的返回码是否正确
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if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
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ftp.disconnect();
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return false;
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}
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ftp.enterLocalActiveMode();
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// 设置文件类型为二进制，与ASCII有区别
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ftp.setFileType(FTP.BINARY_FILE_TYPE);
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// 设置编码格式
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ftp.setControlEncoding("GBK");
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// 检验文件是否存在
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ftp.changeWorkingDirectory(ftpPath);
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FTPFile[] files = ftp.listFiles();
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if (files.length==0){
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return false;
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}
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else {
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for (FTPFile file : files) {
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String fileName = file.getName();
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InputStream is = ftp.retrieveFileStream(new String(fileName.getBytes("GBK"), FTP.DEFAULT_CONTROL_ENCODING));
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if (null == is) {
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return false;
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} else {
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String substring1 = fileName.substring(0, 4);
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if (substring1.equals("nsql")) {
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//把文件下载到本地
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FtpUtil.downloadFtpFile(ftpHost, ftpUserName, ftpPassword, ftpPort, ftpPath, localPath, fileName);
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//
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String s = OutJson.TestJson(fileName);
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//sql语句
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String sql = OutJson.stringReplace(s);
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String[] split = sql.split(";");//以逗号分割
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for (String sqls : split) {
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//判断是否是新增，删除，修改
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String substring = sqls.substring(0, 2);
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//新增
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if (substring.equals("in")) {
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//运行sql语句
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MysqlCenlint.inster(sqls);
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}
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//修改
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else if (substring.equals("up")) {
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MysqlCenlint.update(sqls);
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}
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//删除
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else {
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MysqlCenlint.delete(sqls);
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}
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}
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//删除本地服务器文件
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MysqlCenlint.deletess(fileName);
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//删除 ftp 服务器文件
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FtpUtil.deleteFile(ftpHost, ftpPort, ftpUserName, ftpPassword, ftpPath, fileName);
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}
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//关闭流
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is.close();
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ftp.completePendingCommand();
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}
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return true;
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}
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}
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} catch (Exception e) {
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System.out.println("ftp连接失败");
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e.printStackTrace();
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} finally {
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if (ftp != null) {
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try {
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ftp.disconnect();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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return false;
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}
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}
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