身份证信息登记，涉及base64和blob二进制之间的转换

其他 2018-09-28 18:17:05 阅读次数: 0

1.UBUtil类，处理Blob值

package com.taxsearch.controller;

import java.io.IOException;
import java.sql.Blob;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.HashMap;

/**
 * 
 * @Title:DBUtil
 * @Description: 连接数据库工具类
 * @author 高敏
 * @version V1.0
 * @date 2018年8月16日
 */
public class DBUtil {
	private static Connection connection = null;
	private static PreparedStatement smt = null;
	private static ResultSet rs = null;
	
	//链接数据库
	public static Connection getConnection() {
		String USERNAMR = "hotelbs";
		String PASSWORD = "hotelbs";
		String DRVIER = "oracle.jdbc.OracleDriver";
		String URL = "jdbc:oracle:thin:@192.168.88.160:1521:CDFGSDB";
		try {
			Class.forName(DRVIER);
			connection = DriverManager.getConnection(URL, USERNAMR, PASSWORD);
			System.out.println("成功连接数据库");
		} catch (ClassNotFoundException e) {
			System.out.println("ClassNotFound");
		} catch (SQLException e) {
			System.out.println("连接分发库失败");
		}
		return connection;

	}
	
	//关闭连接
	public static void close(){
		if (rs != null) {
            try {
                rs.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
        if (smt != null) {
            try {
                smt.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
        if (connection != null) {
            try {
                connection.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
		
	}
	
	//获得Blob类型的二进制图片
	public static byte[] getByteBlob(String RECORDSNO) throws IOException {
		try {
        	connection=getConnection();
    		String sql=
    				"select DJ_UPZHAOPIAN from CGUESTERSP "
    				+"where RECORDSNO like '"+RECORDSNO+"'";
        	smt=connection.prepareStatement(sql);
			rs=smt.executeQuery();
			HashMap hm=new HashMap();
			byte[] b = null;
			if(rs.next()){	
				Blob bb = rs.getBlob("DJ_UPZHAOPIAN");
				if(bb!=null) {                  
                    b = bb.getBytes(1, (int)bb.length());
                }
            }
			close();
			return b;
		 } catch (SQLException e) {  
	            e.printStackTrace();  
	     } 
		return null;
	}
}

2.登记入住控制器，base64和blob二进制互相转换

package com.taxsearch.controller;

import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import org.apache.log4j.Logger;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
import com.taxsearch.service.CheckInService;
import com.taxsearch.util.Json;

/**
 * 
 * @Title:CheckInController
 * @Description: 登记入住控制器
 * @author 高敏
 * @version V1.0
 * @date 2018年8月14日
 */
@Controller
public class CheckInController {
	private static Logger logger = Logger.getLogger(CheckInController.class);
	@Resource
	private CheckInService checkInService;

	/**
	 * 查询民族列表
	 * 
	 * @return
	 */
	@RequestMapping("/selectNation.do")
	@ResponseBody
	public Json selectNation() {
		Json json = new Json();
		List<HashMap<String, String>> list = checkInService.selectNation();
		logger.info(list);
		json.setObj(list);
		json.setMsg("成功查询民族列表！");
		json.setSuccess(true);
		return json;
	}

	/**
	 * 处理无证审批 插入无证审批内容，等待三分钟查询无证审批结果返回给前台 当三分钟后审核成功则入住，不成功返回信息
	 * 
	 * @return
	 */
	@RequestMapping("/insertExamine.do")
	@ResponseBody
	public Json insertExamine(HttpServletRequest request) {
		Json json = new Json();
		try {
			// 获取前端的值
			/*String name = "linsa"; String sex = "2"; 
			String nation = "01";String IDType = "11"; 
			String IDNumber = "421182199405013329";String address = "四川成都"; 
			String time = "2018-06-18 00:24:38";String roomNumber = "101"; 
			String photo = "111"; String hotelCode = "5101220047";*/
			 
			String name = request.getParameter("name").toString();
			String sex = request.getParameter("sex").toString();
			String nation = request.getParameter("nation").toString();
			String IDType = request.getParameter("IDType").toString();
			String IDNumber = request.getParameter("IDNumber").toString();
			String address = request.getParameter("address").toString();
			String time = request.getParameter("time").toString();
			String roomNumber = request.getParameter("roomNumber").toString();
			String photo = request.getParameter("photo").toString();
			// base64格式转成Blob二进制
			byte[] photoBytes = null;
			try {
				photoBytes = getStringImage(photo);
			} catch (IOException e1) {
				e1.printStackTrace();
			}
			String hotelCode = request.getParameter("hotelCode").toString();

			// 查询RECORDSNO后三位最大值
			String Old_RECORDSNO = hotelCode + time.replace("-", "").substring(0, 8) + "%";
			HashMap<String, String> hashMap = checkInService.selectRECORDSNO_MAX(Old_RECORDSNO);
			String RECORDSNO_MAX = hashMap == null ? "00" : hashMap.get("RECORDSNO_MAX");
			
			// RECORDSNO后三位最大值加1为新的后三位，保留前面的零值
			String prefix = "";
			for (int i = 0; i < RECORDSNO_MAX.length() - 1; i++) {
				char a = RECORDSNO_MAX.charAt(i);
				String b = String.valueOf(a);
				if (b.equals("0")) {
					prefix = prefix + 0;
				} else {
					break;
				}
			}
			int max = Integer.parseInt(RECORDSNO_MAX);
			String num;
			if (max + 1 > 999) {
				num = (int) (Math.random() * 10) + "" + (int) (Math.random() * 10) + "" + (int) (Math.random() * 10);
			} else if (RECORDSNO_MAX.equals("00")) {
				num = "00";
			} else {
				num = String.valueOf(max + 1);
			}
			logger.info("RECORDSNO后三位：" + prefix + num);

			// 插入无证审批内容
			HashMap<String, Object> map = new HashMap<String, Object>();
			map.put("DJ_LVKEDAIMA", hotelCode + time.replace("-", "").substring(0, 8) + "0" + prefix + num);
			map.put("DJ_XINGMING", name);
			map.put("DJ_XINGBIE", sex);
			map.put("DJ_MINZU", nation);
			map.put("DJ_CHUSHENGRIQI", IDNumber.substring(6, 14));
			map.put("DJ_ZHENGJIANLEIXING", IDType);
			map.put("DJ_ZHENGJIANHAOMA", IDNumber);
			map.put("DJ_SHENGSHIXIAN", IDNumber.substring(0, 6));
			map.put("DJ_XIANGZHI", address);
			map.put("DJ_RUZHUSHIJIAN", time);
			map.put("DJ_RUZHUFANGHAO", roomNumber);
			map.put("DJ_TUIFANGSHIJIAN", time);
			map.put("DJ_ZHAOPIAN", photoBytes);
			map.put("DJ_LVGUANDAIMA", hotelCode);
			map.put("RECORDSNO", hotelCode + time.replace("-", "").replace(":", "").replace(" ", "") + prefix + num);
			map.put("STATIONID", hotelCode);
			logger.info("插入无证审批信息" + map);
			int res = checkInService.insertExamine(map);
			logger.info("成功插入无证审批信息" + res);

			// 查询无证审批返回内容
			String RECORDSNO = hotelCode + time.replace("-", "").replace(":", "").replace(" ", "") + prefix + num;
			Thread.currentThread();
			// 等待三分钟执行
			// Thread.sleep(1000*60*3);
			List<HashMap<String, Object>> list = checkInService.selectExamineBack(RECORDSNO);
			logger.info("查询无证审批返回内容" + list);
			Object SP_RESULT = list.get(0).get("SP_RESULT");
			logger.info("审批结果" + SP_RESULT);
			if (String.valueOf(SP_RESULT).equals("1")) {
				// 审批成功,插入无证入住信息
				HashMap<String, Object> sub_map = new HashMap<String, Object>();
				sub_map.put("DJ_LVKEDAIMA", hotelCode + String.valueOf(generate(12)));
				sub_map.put("DJ_XINGMING", name);
				sub_map.put("DJ_XINGBIE", sex);
				sub_map.put("DJ_MINZU", nation);
				sub_map.put("DJ_CHUSHENGRIQI", IDNumber.substring(6, 14));
				sub_map.put("DJ_ZHENGJIANLEIXING", IDType);
				sub_map.put("DJ_ZHENGJIANHAOMA", IDNumber);
				sub_map.put("DJ_SHENGSHIXIAN", IDNumber.substring(0, 6));
				sub_map.put("DJ_XIANGZHI", address);
				sub_map.put("DJ_RUZHUSHIJIAN", time);
				sub_map.put("DJ_RUZHUFANGHAO", roomNumber);
				sub_map.put("DJ_ZHAOPIAN", photoBytes);
				sub_map.put("DJ_UPZHAOPIAN", list.get(0).get("DJ_UPZHAOPIAN"));
				sub_map.put("DJ_LVGUANDAIMA", hotelCode);
				sub_map.put("RECORDSNO", hotelCode + time.replace("-", "").replace(":", "").replace(" ", "") + prefix + num);
				sub_map.put("STATIONID", hotelCode);
				sub_map.put("PACKNAME",  hotelCode  + time.replace("-", "").replace(":", "").replace(" ", "") + prefix + num);
				logger.info("插入无证入住信息" + sub_map);
				int sub_res = checkInService.insertCheckIn(sub_map);
				logger.info("成功插入无证入住信息" + sub_res);
				// Blob二进制转成base64格式
				byte[] blob = DBUtil.getByteBlob(RECORDSNO);
				if(blob!=null){
					String DJ_UPZHAOPIAN = "data:image/jpeg;base64," + getImageString(blob);
					list.get(0).put("DJ_UPZHAOPIAN", DJ_UPZHAOPIAN);
				}
				
				json.setObj(list);
				json.setMsg("审批成功，已入住！");
				logger.info("审批成功，已入住！");
				json.setSuccess(true);
			} else {
				// Blob二进制转成base64格式
				byte[] blob = DBUtil.getByteBlob(RECORDSNO);
				if(blob!=null){
					String DJ_UPZHAOPIAN = "data:image/jpeg;base64," + getImageString(blob);
					list.get(0).put("DJ_UPZHAOPIAN", DJ_UPZHAOPIAN);
				}
				json.setObj(list);
				json.setMsg("审批失败!");
				json.setSuccess(false);
				logger.info("审批失败!");
			}
		} catch (Exception e) {
			json.setMsg("审批失败,请联系管理员！");
			json.setSuccess(false);
			logger.info("审批失败,请联系管理员！");
			e.printStackTrace();
		}
		return json;
	}

	/**
	 * 出入有证入住信息
	 * 
	 * @return
	 */
	@RequestMapping("/insertCheckIn.do")
	@ResponseBody
	public Json insertCheckIn(HttpServletRequest request) {
		Json json = new Json();
		try {
			// 获取前端的值
			/*String name = "linsa"; String sex = "2"; 
			String nation = "01";String IDType = "11"; 
			String IDNumber = "421182199405013329";String address = "四川成都"; 
			String time = "2018-06-18 00:24:38";String roomNumber = "101"; 
			String photo = "111"; String IDPhoto = "111";
			String hotelCode = "5101220047";*/

			String name = request.getParameter("name").toString();
			String sex = request.getParameter("sex").toString();
			String nation = request.getParameter("nation").toString();
			String IDType = request.getParameter("IDType").toString();
			String IDNumber = request.getParameter("IDNumber").toString();
			String address = request.getParameter("address").toString();
			String time = request.getParameter("time").toString();
			String roomNumber = request.getParameter("roomNumber").toString();
			String photo = request.getParameter("photo").toString();
			// base64格式转成Blob二进制
			byte[] photoBytes = null;
			photoBytes = getStringImage(photo);
			String IDPhoto = request.getParameter("IDPhoto").toString();
			// base64格式转成Blob二进制
			byte[] IDPhotoBytes = null;
			IDPhotoBytes = getStringImage(IDPhoto);
			String hotelCode = request.getParameter("hotelCode").toString();

			String num = (int) (Math.random() * 10) + "" + (int) (Math.random() * 10) + "" + (int) (Math.random() * 10);
			logger.info("RECORDSNO后三位：" + num);

			// 插入有证入住信息
			HashMap<String, Object> sub_map = new HashMap<String, Object>();
			sub_map.put("DJ_LVKEDAIMA", hotelCode + String.valueOf(generate(12)));
			sub_map.put("DJ_XINGMING", name);
			sub_map.put("DJ_XINGBIE", sex);
			sub_map.put("DJ_MINZU", nation);
			sub_map.put("DJ_CHUSHENGRIQI", IDNumber.substring(6, 14));
			sub_map.put("DJ_ZHENGJIANLEIXING", IDType);
			sub_map.put("DJ_ZHENGJIANHAOMA", IDNumber);
			sub_map.put("DJ_SHENGSHIXIAN", IDNumber.substring(0, 6));
			sub_map.put("DJ_XIANGZHI", address);
			sub_map.put("DJ_RUZHUSHIJIAN", time);
			sub_map.put("DJ_RUZHUFANGHAO", roomNumber);
			sub_map.put("DJ_ZHAOPIAN", photoBytes);
			sub_map.put("DJ_UPZHAOPIAN", IDPhotoBytes);
			sub_map.put("DJ_LVGUANDAIMA", hotelCode);
			sub_map.put("RECORDSNO", hotelCode + time.replace("-", "").replace(":", "").replace(" ", "") + num);
			sub_map.put("STATIONID", hotelCode);
			sub_map.put("PACKNAME", hotelCode + time.replace("-", "").replace(":", "").replace(" ", "") + num);
			logger.info("插入有证入住信息" + sub_map);
			int sub_res = checkInService.insertCheckIn(sub_map);
			logger.info("成功插入有证入住信息" + sub_res);
			json.setObj(sub_res);
			json.setMsg("成功入住！");
			logger.info("成功入住！");
			json.setSuccess(true);
		} catch (Exception e) {
			json.setMsg("入住失败,请联系管理员！");
			json.setSuccess(false);
			logger.info("入住失败,请联系管理员！");
			e.printStackTrace();
		}
		return json;
	}

	/**
	 * 产生随机数
	 * 
	 * @return
	 */
	public static char[] generate(int grade) {
		char[] chs = new char[grade];
		// 随机字符范围数组
		char[] letters = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
				'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
				'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7',
				'8', '9' };
		// boolean[] flag=new boolean[letters.length];//默认都存为false
		for (int i = 0; i < chs.length; i++) {
			int index;
			index = (int) (Math.random() * letters.length);
			chs[i] = letters[index];// 基于下标index到letters中选字符
			/*
			 * do { index=(int)(Math.random()*letters.length);
			 * }while(flag[index]);// 判断生成的字符是否重复
			 * chs[i]=letters[index];//基于下标index到letters中选字符 flag[index]=true;
			 */
		}
		return chs;
	}

	/**
	 * 
	 * 二进制流转Base64字符串
	 * 
	 * @param data
	 *            二进制流
	 * @return data
	 * @throws IOException
	 *             异常
	 */
	public static String getImageString(byte[] data) throws IOException {
		BASE64Encoder encoder = new BASE64Encoder();
		return data != null ? encoder.encode(data) : "";
	}

	/**
	 * Base64字符串转 二进制流
	 * 
	 * @param base64String
	 *            Base64
	 * @return base64String
	 * @throws IOException
	 *             异常
	 */
	public static byte[] getStringImage(String base64String) throws IOException {
		BASE64Decoder decoder = new sun.misc.BASE64Decoder();
		return base64String != null ? decoder.decodeBuffer(base64String) : null;
	}
	
}

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