编写powerdesigner字段数据设计文档

package com.winway.wcloud.protal.gym;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.List;

import com.mysql.jdbc.PreparedStatement;

public class ConnectionManager {
    private static Connection conn;
    private static Statement statement;
    public static Connection getConnection(){
        String driver="com.mysql.jdbc.Driver";
        String url="jdbc:mysql://127.0.0.1:3306/c79740000011";
        String user="root";
        String password="123456";
        try {
            Class.forName(driver);
            conn=DriverManager.getConnection(url, user, password);

        } catch (ClassNotFoundException | SQLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return conn;
    }
    public static void close(PreparedStatement statement,ResultSet resultSet){
        /*if(){

        }*/
    }

    public static void save(List<World> list){
        String sql=getSql(list);
        System.out.println(sql);
        if(sql==null){
            return;
        }
        try {
            if(getConnection()==null){
                System.out.println("连接失败");
                return;
            }
            Statement statement=getConnection().createStatement();
            //删除
            String delete="delete from gym_world";
            boolean dele=statement.execute(delete);
            System.out.println("是否删除"+dele);
            int line=statement.executeUpdate(sql);
            System.out.println("插入["+line+"]行");
        } catch (SQLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }finally{
                try {
                    if(statement!=null)statement.close();
                    if(conn!=null)conn.close();
                } catch (SQLException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
        }
    }
    public static String getSql(List<World> list){
        StringBuffer sqlBf=new StringBuffer("insert into gym_world values ");
        if(list==null||list.size()==0){
            return null;
        }
        for(int i=0;i<list.size();i++){

            sqlBf.append("(‘").append(list.get(i).getXh()).append("‘,");
            sqlBf.append("‘"+list.get(i).getName()).append("‘,");
            sqlBf.append("‘"+list.get(i).getDesc()).append("‘,");
            sqlBf.append("‘"+list.get(i).getDataType()).append("‘,");
            sqlBf.append("‘"+list.get(i).getLength()).append("‘,");
            sqlBf.append("‘"+list.get(i).getIsNull()).append("‘,");
            sqlBf.append("‘").append("‘");
            sqlBf.append(")");
            if(i!=(list.size()-1)){
                sqlBf.append(",");
            }
        }
        return sqlBf.toString();
    }
}
//////////////////////////////////////////////////////////////////////entity反射注释///////////////////////////////////////////////////////////////////////////
package com.winway.wcloud.protal.gym;

import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;

import com.winway.edcollection.data.entity.EcTowerEntity;
import com.winway.edcollection.data.entity.EdpOrgInfoEntity;
import com.winway.edcollection.data.entity.EdpRoleInfoEntity;
import com.winway.edcollection.data.entity.EdpRoleUserEntity;
import com.winway.edcollection.data.entity.EdpUserInfoEntity;
import com.winway.edcollection.data.entity.FDamagedDevEntity;
import com.winway.edcollection.data.entity.FMeteorologicalDevEntity;
import com.winway.edcollection.data.entity.FMeteorologicalLogEntity;
import com.winway.edcollection.data.entity.FRealLogEntity;
import com.winway.edcollection.data.entity.FTripEntity;
import com.winway.edcollection.data.entity.FWarningDevEntity;
import com.winway.edcollection.data.entity.FWarningEntity;
import com.winway.edcollection.data.entity.FWarningRecipientEntity;
import com.winway.edcollection.data.entity.TfDamagedDevItem;
import com.winway.edcollection.data.entity.TfDamagedDevTower;
import com.winway.edcollection.data.entity.TfPossiblePathEntity;
import com.winway.edcollection.data.entity.TfRealPointsEntity;
import com.winway.edcollection.data.entity.TfTyphoonEntity;
import com.winway.edcollection.data.entity.TfYbPointsEntity;

public class ExcuteClassEntityColumn {
    public static List<World> getTable(Class<?> clazz){
        List<World> list=new ArrayList<World>();
        //Class<TfTyphoonEntity> clazz=TfTyphoonEntity.class;
        Field[] fields=clazz.getDeclaredFields();
        int indexJ=1;
        for(Field field:fields){
            Annotation[]  annos=field.getAnnotations();
            for(Annotation annotation:annos){
                //System.out.println(annotation.toString());
                if(annotation.toString().contains("@com.winway.wcloud.dbcore.annotation.Id")){
                    continue;
                }
                String annotationStr=annotation.toString();
                String name=annotationStr.substring(annotationStr.indexOf("name=")+5, annotationStr.indexOf(")")).toUpperCase();
                String descccc=annotationStr.substring(annotationStr.indexOf("desc="));

                String desc=descccc.substring(descccc.indexOf("desc=")+5, descccc.indexOf(","));
                String dataType11=annotationStr.substring(annotationStr.indexOf("dataType="));
                String dataType=dataType11.substring(dataType11.indexOf("dataType=")+9, dataType11.indexOf(","));
                String length11=annotationStr.substring(annotationStr.indexOf("length="));
                String length=length11.substring(length11.indexOf("length=")+7, length11.indexOf(","));
                String isNull11=annotationStr.substring(annotationStr.indexOf("isNull="));
                String isNull=isNull11.substring(isNull11.indexOf("isNull=")+7, isNull11.indexOf(","));
                if(isNull.equals("true")){
                    isNull="否";
                }else{
                    isNull="否";
                }
                if(dataType.toUpperCase().endsWith("STRING")){
                    dataType="VARCHAR";
                }
                if(dataType.toUpperCase().endsWith("DECIMAL")){
                    dataType="DOUBLE";
                    length="0";
                }
                System.out.println(indexJ+" "+name+" "+desc+" "+" "+dataType+" "+length+" "+isNull);
                World world=new World(indexJ,name, desc, dataType, Integer.valueOf(length), isNull);
                list.add(world);
                indexJ++;
            }
        }
        return list;
    }
    public static void main(String[] args) {
        //读取entity反射
        List<World> list=ExcuteClassEntityColumn.getTable(EcTowerEntity.class);
        ConnectionManager.save(list);
    }

}
/////////////////////////////////////////////////////////////////////////////Excel内容保持到数据库里////////////////////////////////////////////////////////////////////
package com.winway.wcloud.protal.gym;

import java.io.File;
import java.io.IOException;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import org.apache.poi.EncryptedDocumentException;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.DateUtil;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.usermodel.WorkbookFactory;

import com.winway.wcloud.protal.util.Excel2DBUtils;

public class ExcuteExcelContent {
    static String[] heads={"Name","Code","Data Type","Length"};
    public static List<World> readData(){
        List<World> worlds=new ArrayList<World>();
        Workbook workBook = null;
        Sheet sheet;
        Row row;
        Cell cell;
        try {
            workBook=WorkbookFactory.create(new File("C:/Users/gym/Desktop/world.xlsx"));
            sheet=workBook.getSheetAt(0);
            int rowlastNum=sheet.getLastRowNum();
            int xh=1;
            for(int rowindex=2;rowindex<=rowlastNum;rowindex++){
                boolean reg=false;
                row=sheet.getRow(rowindex);
                World world=new World();
                if(row==null){
                    continue;
                }
                for(int i=0;i<heads.length;i++){
                    cell=row.getCell(i);
                    String value=getCellValue(cell);
                    System.out.println(value);
                    if(i==0&&(value==null||value.equals(""))){
                        break;
                    }
                    changeValue(i, value, world);
                    reg=true;
                }
                if(reg){
                    world.setRemark("");
                    world.setIsNull("否");
                    world.setXh(xh);
                    System.out.println();
                    worlds.add(world);
                    xh++;
                }
            }
        } catch (EncryptedDocumentException | InvalidFormatException
                | IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }finally{
            try {
                if(workBook!=null)workBook.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        return worlds;
    }
    static void changeValue(int i,String value,World world){
        switch (heads[i]) {
        case "Name":
            world.setDesc(value);
            break;
        case "Code":
            world.setName(value);
            break;
        case "Data Type":
            if(value.contains("varchar")){
                value="VARCHAR";
            }
            world.setDataType(value.toUpperCase());
            break;
        case "Length":
            if(value==null||value.equals("")){
                world.setLength(0);
            }else{
                world.setLength(Integer.valueOf(value));
            }
            break;

        default:
            break;
        }

    }
    public static String getCellValue(Cell cell) {
        if(cell==null){
            return null;
        }
        String value = "";
        // 以下是判断数据的类型
        switch (cell.getCellType()) {
        case Cell.CELL_TYPE_NUMERIC:
            value = cell.getNumericCellValue() + "";
            if (DateUtil.isCellDateFormatted(cell)) {
                Date date = cell.getDateCellValue();
                if (date != null) {
                    value = new SimpleDateFormat("yyyy-MM-dd").format(date);
                } else {
                    value = "";
                }
            } else {
                value = new DecimalFormat("0").format(cell.getNumericCellValue());
            }
            break;
        case Cell.CELL_TYPE_STRING: // 字符串
            value = cell.getStringCellValue();
            break;
        case Cell.CELL_TYPE_BOOLEAN: // Boolean
            value = cell.getBooleanCellValue() + "";
            break;
        case Cell.CELL_TYPE_FORMULA: // 公式
            value = cell.getCellFormula() + "";
            break;
        case Cell.CELL_TYPE_BLANK: // 空值
            value = "";
            break;
        case Cell.CELL_TYPE_ERROR: // 故障
            value = "非法字符";
            break;
        default:
            value = "未知类型";
            break;
        }
        return value;
    }
    public static void main(String[] args) {
        List<World> list=ExcuteExcelContent.readData();
        ConnectionManager.save(list);
    }

}

/*
Navicat MySQL Data Transfer

Source Server         : 广西
Source Server Version : 50637
Source Host           : localhost:3306
Source Database       : c79740000011

Target Server Type    : MYSQL
Target Server Version : 50637
File Encoding         : 65001

Date: 2018-03-06 15:39:03
*/

SET FOREIGN_KEY_CHECKS=0;

-- ----------------------------
-- Table structure for gym_world
-- ----------------------------
DROP TABLE IF EXISTS `gym_world`;
CREATE TABLE `gym_world` (
  `xh` int(255) DEFAULT NULL,
  `name` varchar(255) DEFAULT NULL,
  `desc` varchar(255) DEFAULT NULL,
  `dataType` varchar(255) DEFAULT NULL,
  `length` int(100) DEFAULT NULL,
  `isNull` varchar(255) DEFAULT NULL,
  `remark` varchar(255) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8 ROW_FORMAT=COMPACT;

-- ----------------------------
-- Records of gym_world
-- ----------------------------
INSERT INTO `gym_world` VALUES (‘1‘, ‘TF_EVALUATION_RESULT_ID‘, ‘结果ID‘, ‘INT‘, ‘0‘, ‘否‘, ‘‘);
INSERT INTO `gym_world` VALUES (‘2‘, ‘EVALUATION_TIME‘, ‘评估时间‘, ‘DATETIME‘, ‘0‘, ‘否‘, ‘‘);
INSERT INTO `gym_world` VALUES (‘3‘, ‘CAPTION‘, ‘标题‘, ‘VARCHAR‘, ‘50‘, ‘否‘, ‘‘);
INSERT INTO `gym_world` VALUES (‘4‘, ‘GRADE‘, ‘评分‘, ‘DOUBLE‘, ‘0‘, ‘否‘, ‘‘);
INSERT INTO `gym_world` VALUES (‘5‘, ‘GRADE_LEVEL‘, ‘评分等级‘, ‘INT‘, ‘0‘, ‘否‘, ‘‘);
INSERT INTO `gym_world` VALUES (‘6‘, ‘RESULT_DESC‘, ‘结果描述‘, ‘VARCHAR‘, ‘100‘, ‘否‘, ‘‘);
INSERT INTO `gym_world` VALUES (‘7‘, ‘RESULT_SHOW‘, ‘结果显示‘, ‘VARCHAR‘, ‘300‘, ‘否‘, ‘‘);

原文地址：https://www.cnblogs.com/gym2017/p/8514654.html