[零基础学JAVA]Java SE实战开发-37.MIS信息管理系统实战开发[JDBC](3)

package org.michael.demo.proxy;    
import java.util.Set;    
import org.michael.demo.dao.PersonDAO;    
import org.michael.demo.dao.impl.PersonDAOImplJDBC;    
import org.michael.demo.vo.Person;    
public  class PersonDAOProxyJDBC  implements PersonDAO {    
         private PersonDAO dao =  null;    
         public PersonDAOProxyJDBC(String type) {    
                 this.dao =  new PersonDAOImplJDBC(type);    
        }    
         public  boolean doCreate(Person person)  throws Exception {    
                 // TODO Auto-generated method stub    
                 return  this.dao.doCreate(person);    
        }    
         public  boolean doDelete(String id)  throws Exception {    
                 // TODO Auto-generated method stub    
                 return  this.dao.doDelete(id);    
        }    
         public  boolean doUpdate(Person person)  throws Exception {    
                 // TODO Auto-generated method stub    
                 return  this.dao.doUpdate(person);    
        }    
         public Set<Person> findAll()  throws Exception {    
                 // TODO Auto-generated method stub    
                 return  this.dao.findAll();    
        }    
         public Person findById(String id)  throws Exception {    
                 // TODO Auto-generated method stub    
                 return  this.dao.findById(id);    
        }    
         public Set<Person> findByLike(String keyWord)  throws Exception {    
                 // TODO Auto-generated method stub    
                 return  this.dao.findByLike(keyWord);    
        }    
}

package org.michael.demo.util;    
//输入数据的操作类    
import java.io.BufferedReader;    
import java.io.IOException;    
import java.io.InputStreamReader;    
public  class InputData {    
         private BufferedReader buf =  null;    
         public InputData() {    
                buf =  new BufferedReader( new InputStreamReader(System.in));    
        }    
         public  int getInt() {    
                 int temp = 0;    
                 // 如果输入的不是数字，至少应该有一个提示，告诉用户输入错了    
                 // 可以使用正则验证    
                String str =  null;    
                 boolean flag =  true;    
                 while (flag) {    
                         // 输入数据    
                        str =  this.getString();    
                         if (!(str.matches( "\\d+"))) {    
                                 // 如果不是一个数字，则必须重新输入    
                                System.out.print( "输入的内容，必须是整数，请重新输入：");    
                        }  else {    
                                 // 是一个正确的数字，则可以进行转换    
                                temp = Integer.parseInt(str);    
                                 // 表示退出循环    
                                flag =  false;    
                        }    
                }    
                 return temp;    
        }    
         public String getString() {    
                String str =  null;    
                 try {    
                        str = buf.readLine();    
                }  catch (IOException e) {    
                        e.printStackTrace();    
                }    
                 return str;    
        }    
         public  float getFloat() {    
                 float f = 0.0f;    
                String str =  null;    
                 boolean flag =  true;    
                 while (flag) {    
                         // 输入数据    
                        str =  this.getString();    
                         if (!(str.matches( "\\d+.?\\d{1,2}"))) {    
                                 // 如果不是一个数字，则必须重新输入    
                                System.out.print( "输入的内容，必须是小数（小数点后只到两位），请重新输入：");    
                        }  else {    
                                 // 是一个正确的数字，则可以进行转换    
                                f = Float.parseFloat(str);    
                                 // 表示退出循环    
                                flag =  false;    
                        }    
                }    
                 return f;    
        }    
}

package org.michael.demo.util;    
import java.util.Calendar;    
import java.util.GregorianCalendar;    
import java.util.Random;    
// 取得时间戳的类    
public  class TimeStamp {    
         private Calendar calendar =  null;    
         // 此标记有外部决定    
         private String flag =  null;    
         public TimeStamp() {    
                 this.calendar =  new GregorianCalendar();    
        }    
         public TimeStamp(String flag) {    
                 this() ;    
                 this.flag = flag;    
        }    
         public String getTimeStamp() {    
                StringBuffer buf =  new StringBuffer();    
                 if ( this.flag !=  null) {    
                        buf.append( this.flag);    
                }    
                buf.append( this.addZero(calendar.get(Calendar.YEAR), 4));    
                buf.append( this.addZero(calendar.get(Calendar.MONTH) + 1, 2));    
                buf.append( this.addZero(calendar.get(Calendar.DAY_OF_MONTH), 2));    
                buf.append( this.addZero(calendar.get(Calendar.HOUR_OF_DAY), 2));    
                buf.append( this.addZero(calendar.get(Calendar.MINUTE), 2));    
                buf.append( this.addZero(calendar.get(Calendar.SECOND), 2));    
                buf.append( this.addZero(calendar.get(Calendar.MILLISECOND), 3));    
                 return buf.toString();    
        }    
         public String getTimeStampRandom() {    
                StringBuffer buf =  new StringBuffer();    
                Random r =  new Random();    
                buf.append( this.getTimeStamp());    
                buf.append(r.nextInt(10));    
                buf.append(r.nextInt(10));    
                buf.append(r.nextInt(10));    
                 return buf.toString();    
        }    
         // 可以单独设置一个加“0”的操作    
         private String addZero( int temp,  int len) {    
                String str = temp + "";    
                 while (str.length() < len) {    
                        str =  "0" + str;    
                }    
                 return str;    
        }    
}

package org.michael.demo.vo; 

import java.io.Serializable; 

public  abstract  class Person  implements Comparable<Object>,Serializable { 
   // 定义各公共属性 
   private String id ; 
   private String name ; 
   private  int age ; 
   public Person(String id,String name, int age){ 
     this.setId(id) ; 
     this.setName(name) ; 
     this.setAge(age) ; 
  } 
   public String getId() { 
     return id; 
  } 
   public  void setId(String id) { 
     this.id = id; 
  } 
   public String getName() { 
     return name; 
  } 
   public  void setName(String name) { 
     this.name = name; 
  } 
   public  int getAge() { 
     return age; 
  } 
   public  void setAge( int age) { 
     this.age = age; 
  } 
} 

package org.michael.demo.vo;    
public  class Student  extends Person {    
         private  static  final  long serialVersionUID = 1L;    
         private  float score;    
         public Student(String id, String name,  int age,  float score) {    
                 super(id, name, age);    
                 this.setScore(score);    
        }    
         public  int compareTo(Object arg0) {    
                Student s = (Student) arg0;    
                 if ( this.score < s.score) {    
                         return 1;    
                }  else  if ( this.score > s.score) {    
                         return -1;    
                }  else {    
                         if ( super.getAge() < s.getAge()) {    
                                 return -1;    
                        }  else  if ( super.getAge() > s.getAge()) {    
                                 return 1;    
                        }  else {    
                                 return 0;    
                        }    
                }    
        }    
         public String toString() {    
                 return  this.getId() +  "\t" +  this.getName() +  "\t" +  this.getAge() +  "\t" +  this.score;    
        }    
         public  float getScore() {    
                 return score;    
        }    
         public  void setScore( float score) {    
                 this.score = score;    
        }    
}

package org.michael.demo.vo;    
public  class Worker  extends Person {    
         private  static  final  long serialVersionUID = 1L;    
         private  float salary;    
         public Worker(String id, String name,  int age,  float salary) {    
                 super(id, name, age);    
                 this.setSalary(salary);    
        }    
         public  int compareTo(Object arg0) {    
                Worker w = (Worker) arg0;    
                 if ( this.salary < w.salary) {    
                         return 1;    
                }  else  if ( this.salary > w.salary) {    
                         return -1;    
                }  else {    
                         if ( super.getAge() < w.getAge()) {    
                                 return -1;    
                        }  else  if ( super.getAge() > w.getAge()) {    
                                 return 1;    
                        }  else {    
                                 return 0;    
                        }    
                }    
        }    
         public String toString() {    
                 return  this.getId() +  "\t" +  this.getName() +  "\t" +  this.getAge()    
                                +  "\t" +  this.salary;    
        }    
         public  float getSalary() {    
                 return salary;    
        }    
         public  void setSalary( float salary) {    
                 this.salary = salary;    
        }    
}

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#################Michael分割线####################

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