如何用PHP编写 ——刷新按钮，急求，谢谢！

最好有详细代码，

我晕。。js会吗

刷新

//createlist_l.cpp //to create a linklist #include #include #include # define true 1 # define false 0 # define ok 1 # define error 0 # define infeasible -1 # define overflow -2 typedef struct dulnode { int data; struct dulnode *prior; struct dulnode *next; }dulnode,*dulinklist; // 初始条件：l已存在。操作结果：返回l中数据元素个数 int listlength(dulinklist l) { int i=0; dulinklist p=l->next; // p指向第一个结点 while(p!=l) // p没到表头 { i++; p=p->next; } return i; } // 由双链循环线性表l的头结点出发,正序输出每个数据元素 void listtraverse(dulinklist l) { dulinklist p=l->next; while(p!=l) { cout<data<<"\t"; p=p->next; } cout<prior; while(p!=l) { cout<data<<"\t"; p=p->prior; } cout<next=l->prior=l; cout<<"createlist_l"< "; cin>>n; cout<<"please input the data for dulinklist nodes: "<0;--i) { p=(dulinklist)malloc(sizeof(dulnode)); cin>>p->data; //reverse order inputing for creating a linklist p->prior=l; p->next=l->next; l->next->prior=p; l->next=p; } if(n) { cout<>i; while (i<1||i>listlength(l)+1) { //i值不合法 cout<<"illeagle location,please input the correct location:"; cin>>i; } cout<<"input the number you want to insert:"; cin>>e; while(jnext; ++j; } if(!(s=(dulinklist)malloc(sizeof(dulnode)))) { cout<data=e; s->prior=p->prior; s->next=p; if(i==1) l->next=s; p->prior->next=s; p->prior=s; cout<<"has insert:"<>i; while(i<0||i>listlength(l)) { //i值不合法 cout<<"illeagle location,please input the correct location:"; cin>>i; } p=l->next; // p指向第一个结点 while(p!=l&&jnext; j++; } if(p==l||j>i) // 第i个元素不存在 { cout<<"第i个元素不存在"<data; // 取第i个元素 if(!p) // p=null,即第i个元素不存在 return error; e=p->data; p->prior->next=p->next; p->next->prior=p->prior; free(p); cout<<"has delete:"<>c; } if(c!=0) { menu(c); cin>>c; } } }