Refresh the browser

Description: It is very practical to use the Array set of js scripts, especially when you build your own framework. <script>

Function

GoUrl (urlItem, obj)

{

Var

HpageIndex = 0 ;//
Defines the maximum index for storing the URL address set

Var

HpageLength = 0 ;//
Specify the length of the set of stored URLs.

Var

HpageUrl = new

Array ();//
Define a set of stored URLs

HpageIndex
= Parent. window. pageIndex ;//
Obtains the maximum index of the URL set (global variable of the parent page)

HpageLength
= Parent. window. pageLength ;//
Obtains the total length of the URL set (the global variable of the parent page)

HpageUrl
= Parent. window. pageUrl ;//
Get the URL address set (global variable of the parent page)

Var

UrlPath = parent.doc ument. getElementById ('mainframework'). src ;//
Obtain the page currently accessed by the main framework (the address of the page specified by src of the main framework MainFrame)

///
Refresh event judgment

If (urlItem
=''

& Obj = '')

{

UrlPath
= Parent.doc ument. getElementById ('mainframework'). src ;//
To avoid exceptions, re-obtain the page currently accessed by the main framework.

Parent.doc ument. getElementById ('mainframework'). src
= UrlPath ;//
Set the page to be accessed by the main framework

}

///
Homepage event processing

Else

If (urlItem
= '0'

& Obj = '0 ')

{

UrlPath
= HpageUrl [0]; //
Obtain the first value in the Set (you can also define the homepage stored when the page is loaded)

Parent.doc ument. getElementById ('mainframework'). src
= UrlPath ;//
Set the page to be accessed by the main framework

}

///
Processing of page access history events

Else

If (urlItem
= '-1'

& Obj = '-1 ')

{

//
Determines whether the URL address set (global variable) is null.

If (parent. window. pageUrl
! = Null ){

//
Determines whether the length of the set is 1. If yes, the access history is 1.

If

(Parent. window. pageUrl. length = 1)

UrlPath
= Parent. window. pageUrl [0];

//
Judge whether the length of the set is greater than 1. If yes, judge the access history cyclically.

Else

If
(Parent. window. pageUrl. length> 1 ){

//
Cyclic access history address set

For (var

I = 0; I <HpageUrl. length; I ++ ){

//
Determines whether it is equal to the address of the currently accessed page

If (urlPath = HpageUrl [I])

{

//
Determines whether to return to the first address. If yes, the first address is obtained directly.

If (I-1)
<= 0)

{

UrlPath
= HpageUrl [0];

Break;

}

Else

{

UrlPath
= HpageUrl [I-1]; //
Obtain the record of the previous access address with the same current access address

Break;

}

}

}

}

}

If (urlPath
= '')//
Checks whether the historical access record address is null. If it is null, the current address of the main framework is returned.

UrlPath
= Parent.doc ument. getElementById ('mainframework'). src;

Parent.doc ument. getElementById ('mainframework'). src
= UrlPath ;//
Set the page to be accessed by the main framework

}

//
Handling of forward page access history events

Else

If (urlItem
= '1'

& Obj = '1 ')

{

//
Determines whether the URL address set (global variable) is null.

If (parent. window. pageUrl
! = Null ){

//
Determines whether the length of the set is 1. If yes, the access history is 1.

If

(Parent. window. pageUrl. length = 1)

UrlPath
= Parent. window. pageUrl [0];

//
Judge whether the length of the set is greater than 1. If yes, judge the access history cyclically.

Else

If
(Parent. window. pageUrl. length> 1 ){

//
Cyclic access history address set

For (var

I = 0; I <HpageUrl. length; I ++ ){

//
Determines whether it is equal to the address of the currently accessed page

If (urlPath = HpageUrl [I])

{

//
Determine whether to move forward to the last address.

If (I + 1)
> = Parent. window. pageUrl. length)

{

UrlPath
= HpageUrl [I];

Break;

}

Else

{

UrlPath
= HpageUrl [I + 1]; //
Obtain the next access address record with the same current access address

Break;

}

}

}

}

}

If (urlPath
= '')//
Checks whether the historical access record address is null. If it is null, the current address of the main framework is returned.

UrlPath
= Parent.doc ument. getElementById ('mainframework'). src;

Parent.doc ument. getElementById ('mainframework'). src
= UrlPath ;//
Set the page to be accessed by the main framework

}

Else

{

UrlPath
= "Default. aspx? "+ UrlItem ;//
Set the page address to be accessed by the event

Parent.doc ument. getElementById ('mainframework'). src
= UrlPath ;//
Set the page to be accessed by the main framework

UrlPath
= Parent.doc ument. getElementById ('mainframework'). src;
//
Re-obtain the page to be accessed by the main framework

HpageUrl [HpageIndex
+ 1] = urlPath ;//
Add the currently accessed page address to the address set of the temporary page URL

Parent. window. pageIndex
= HpageIndex + 1 ;//
Set global maximum Index

Parent. window. pageLength
= HpageLength + 1 ;//
Set the length of the global set

Parent. window. pageUrl
= HpageUrl ;//
Set global set data

// Alert ('current access :'
+ UrlPath + 'pageurl. Length: '+ HpageUrl. length, + '');

}

}

</Script>

Author: WuWenji_ZhaoLinQing