The paging code of the text message book .? When writing a file, use | to separate each record. | used to separate each field in the record. for example, record 1 is represented as $ str1 $ name. |. $ pass. |. $ title. |. $ message. |. ......... Then connect // When writing a file, use "|" to separate each record. "|" is used to separate fields in the record.
// If Record 1 is $ str1 = $ name. "| ". $ pass. "| ". $ title. "| ". $ message. "| ". .........
// Connect to record 1 and record 2, $ str = $ str1. "|". $ str2. "||| ..........
// The Last generated file is as follows:
// Apsara Fox | 450948643 | this is the topic | this is the message content | 1 | Apsara Fox | 450948643 | this is the topic | this is the message content | 2 | | Apsara Fox | 450948643 | this is the topic | 3 | Apsara Fox | 450948643 | this is the topic | this is the message content | 4 | | Apsara Fox | 450948643 | this is the topic | this is the message content | 5 | Apsara Fox | 450948643 | this is the topic | this is the message content | 6 | | Apsara Fox | 450948643 | this is the topic | this is the message content | 7 | Apsara Fox | 450948643 | this is the topic | this is the message content | 8 | | Apsara Fox | 450948643 | this is the topic | 9 | Apsara Fox | 450948643 | this is the topic | this is the message content | 10 | | Apsara Fox | 450948643 | this is the topic | this is the message content | 11 | Apsara Fox | 450948643 | this is the topic | this is the message content | 12 | | Apsara Fox | 450948643 | this is the topic | this is the message content | 13 | Apsara Fox | 450948643 | this is the topic | this is the message content | 14 | | Apsara Fox | 450948643 | this is the topic | 15 | Apsara Fox | 450948643 | this is the topic | this is the message content | 16 | | Apsara Fox | 450948643 | this is the topic | this is the message content | 17 | Apsara Fox | 450948643 | this is the topic | this is the message content | 18 | | Apsara Fox | 450948643 | this is the topic | 19 | Apsara Fox | 450948643 | this is the topic | this is the message content | 20 | | Apsara Fox | 450948643 | this is the topic | 21 | Apsara Fox | 450948643 | this is the topic | this is the message content | 22 | | Apsara Fox | 450948643 | this is the topic | this is the message content | 23 |
// Start to fetch the data in the file. the program list is as follows:
$ End = "|"; // record delimiter, depending on the symbol used to write the file
$ Mid = "|"; // field separator, same as above
$ Temp = file ("messageboard.info"); // read the file content into an array
$ Temp = join ("", $ temp); // Convert the read array into a string
$ Mess = explode ($ end, $ temp); // split the output record
$ Num = count ($ mess); // calculates the number of elements in the split string array, that is, the number of records.
If (! $ Dpage) $ dpage = 1; // stores the current page number
$ Row = 15; // The number of rows you want to display on each page
If ($ num/$ row = floor ($ num/$ row) $ page = $ num/$ row; // check whether an integer can be obtained. you can get an integer.
Else if ($ num/$ row> = floor ($ num/$ row) $ page = floor ($ num/$ row) + 1; // if the total number of items except the number of items on each page is greater than the number of items on each page, add one after the sum.
Else if ($ num/$ row <= floor ($ num/$ row) $ page = floor ($ num/$ row); // if it is smaller than the integer, get the integer
$ Minnum = ($ dpage-1) * $ row; // records are retrieved from this number of current pages
$ Maxnum = $ row * $ dpage; // maximum number of records to be retrieved on the current page
For ($ I = $ minnum; $ I <$ maxnum; $ I ++)
{
$ Message = explode ($ mid, $ mess [$ I]); // splits fields in the record
$ Num1 = count ($ message); // calculates the number of elements in the array to control loops.
For ($ j = 0; $ j <$ num1; $ j ++)
{
Echo $ message [$ j]. ""; // each time an element in the array is displayed.
}
Echo"
";
}
// Start paging below
If ($ page> = 2 & $ dpage = 1) // if the total number of pages is greater than two, and the current number is on the first page
{$ Paged = $ dpage + 1; echo "previous page
";}
Else if ($ page >=2 & $ dpage >=$ page) // if the total number of pages is greater than two and the current number is smaller than the total number of pages
{$ Pageu = $ dpage-1; echo "previous page
";}
Else if ($ page >=2 & $ dpage >=1 & $ dpage <$ page) // if the total number of pages is greater than two, and the current page is greater than one page and smaller than the total number of pages
{$ Pageu = $ dpage-1; $ paged = $ dpage + 1; echo "previous page
";}
// If there is only one page
Else echo "previous page
";
?>
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Http://www.bkjia.com/PHPjc/316272.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/316272.htmlTechArticle? // Used when writing a file | to separate each record | used to separate each field in the record. // for example, record 1 is represented as $ str1 = $ name. |. $ pass. |. $ title. |. $ message. |. ......... // Connect...
