郑云飞
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greatwqs：
在前置请求页面返回token, 在提交接口中验证token, ...
Spring MVC 用拦截器+token防止重复提交 -
zhukewen_java：
这种方法的缺陷在于如果请求了两个save=true的方法，后面 ...
Spring MVC 用拦截器+token防止重复提交 -
byrgl5：
请问如果重复提交了三次呢？能避免吗？
Spring MVC 用拦截器+token防止重复提交 -
381895649：
是不是有病？
服务器被如下ip攻击，如何根据ip超找攻击来源 -
greatwqs：
最棒的10款MySQL管理工具
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/**
*
* @author 郑云飞
*
*/
public class StringToBinary
{
/**
* @param args
*/
public static void main(String[] args)
{
/**
* 字符串转换成二进制测试
*/
String str="ABC12345";
/**
* 方法调用
*/
System.out.println(toBinary(str));
}
/ ...
package a;
import java.io.*;
interface Work
{
String communication();
boolean promote();
float completion();
}
class Employee implements Work
{
protected String strEmpID;
protected char chrGender;
protected String strTelNumber;
protected double dblSalary;
//沟通能力等级
protec ...
package student;
public class Employee
{
String strEmpID;
char chrGender;
String strTElNumber;
double dblSalary;
public Employee(String strEmpID, char chrGender, String strTElNumber,
double dblSalary)
{
this.strEmpID = strEmpID;
this.chrGender = chrGender;
this.strTEl ...
//package app1;
import java.io.*;
import java.util.HashMap;
import java.util.Iterator;//迭代器
class Employee
{
private String strEmpID;//员工编号
String chrGender;//性别
String strTelNumber;//电话号码
private double dblSalary;//工资
Employee(String strEmpID,String chrGender,String strTelNumber,doub ...
//package app1;
import java.io.*;
import java.util.HashMap;
import java.util.Iterator;
class EmployeeRepeat
{
private String strEmpID;// 员工编号
private String chrGender;// 性别
private String strTelNumber;// 电话号码
private double dblSalary;// 工资
//构造函数，初始化成员变量
EmployeeRepeat(String strEmp ...
import java.io.*;
import java.util.ArrayList;
class Employee
{
private String strEmpID;//员工编号
String chrGender;//性别
String strTelNumber;//电话号码
private double dblSalary;//工资
Employee(String strEmpID,String chrGender,String strTelNumber,double dblSalary)
{
thi ...
import java.io.*;
import java.util.ArrayList;
class Employee
{
private String strEmpID;//员工编号
String chrGender;//性别
String strTelNumber;//电话号码
private double dblSalary;//工资
Employee(String strEmpID,String chrGender,String strTelNumber,double dblSalary)
{
thi ...
class Father
{
//钱数
float money=5000;
static int age=90;
//花销
void expand()
{
System.out.println("买酒");
}
public static void marry()
{
System.out.println("父亲结婚!");
}
};
class Child extends Father//静态的方法不是覆盖
{
float money=3000;
static int age;
S ...
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.Reader;
public class ListFile
{
/**
* 实现对目录的遍历，输出目录下的所有文件名
* @param url:目录路径
*/
private int count=0;
public int getCo ...
package a1;
public class Book
{
private int id;
private String name;
public int getId()
{
return id;
}
@Override
public String toString()
{
// TODO Auto-generated method stub
return "编号:"+id+"名字:"+name;
}
public void setId(int id)
{
this.id = id;
}
publ ...
class Music
{
public static void main(String args[])
{
try
{
//java.lang.Runtime.getRuntime().exec("C:/Program Files/Tencent/QQPlayer/QQPlayer.exe \"E:/11.wma\"");
Runtime.getRuntime().exec("C:/Program Files/The KMPlayer/KMPlayer.exe \"E:/美丽密令. ...
class People
{
//属性 成员变量 对象属性
private String name;
private int age;
private char sex;
private String contry;
private String hairColor;
private Father f;
//拷贝构造 通过已知对象来复制得到另外一对象
People(People p)
{
this.name = p.name;
this.age = p.age;
this.sex = p.sex;
this.contry = ...
package a1;
import java.util.ArrayList;
import java.util.LinkedList;
public class MyStack
{
//存储空间
//private LinkedList ll=new LinkedList();
private ArrayList ll=new ArrayList();
//出栈 弹栈
public Object pop()
{
//return ll.removeLast();
return ll.remove(ll.size()-1);
...
package a1;
import java.util.ArrayList;
import java.util.LinkedList;
public class MyQueue
{
//private LinkedList ll=new LinkedList();
private ArrayList ll=new ArrayList();
//出队
public Object poll()
{
// return ll.removeFirst();
return ll.remove(0);
}
//入队
public void of ...
package hashMap;
import java.util.ArrayList;
import d.Student;
/**
* 用ArrayList模拟栈操作
* @author 郑云飞
* @see 2010年8月14日
*/
public class Stack
{
ArrayList<Student> al=new ArrayList<Student>();
public Object peek()
{
return al.get(0);
}
public Object pop()//出栈
{
...