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PHP function to achieve paging effect, php text paging and number paging

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Release： 2016-07-25 08:52:33
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  2. //Paging
  3. /**
  4. * $pageType paging type 1 is numeric paging 2 is text paging
  5. * You can pass $pageTotal, $page, $total and other data as parameters, or use it as a global variable in paging (recommended)
  6. */
  7. function paging($pageType)
  8. {
  9. global $pageTotal,$page,$total;
  10. if($pageType == 1)
  11. {
  12. echo '
    ';
  13. echo'
      ';
    • for($i=0; $i < $pageTotal; $i++)
    • {
    • if($page == ( $i+1))
    • {
    • echo '
    • '.($i +1).'
      • ';
    • }
    • else
    • {
    • echo '
    • '.($i+1).'
      • ';
    • }
    • }
    • echo'
    ';
  14. echo'
' ;
  • }
  • else if($pageType == 2)
  • {
  • echo '
    ';
  • echo '
    • //Paging parameter packaging/*** $sql can obtain a sql statement of the total number of data * $size displays the number of items on each page

    */

    function pageParam($sql,$size)

    {

    //Set all involved parameters to global variables
    // $pagestart someone Where does a page start
    // $total total number of records $page a certain page $pageTotal total number of pages
      global $pagestart,$pagesize,$total,$page,$pageTotal;
    1. $pagesize = $size;
    2. // Get the total number of data
    3. $total = mysql_num_rows(queryDB($sql));
    5. // Error handling, first determine whether it exists
    6. if(isset($_GET['page']))
    7. {
    8. // A specific page
    9. $page = $_GET['page'];
    10. // Determine whether it is empty (0 is empty)/less than 0/whether it is a number
    11. if(empty($page) || $page < 0 || !is_numeric ($page))
    12. {
    13. $page = 1;
    14. }
    15. else
    16. {
    17. $page = intval($page); //Rounding to prevent decimals from appearing
    18. }
    20. }
    21. else
    22. {
    23. //Initialization Display page 1
    24. $page = 1;
    25. }
    27. // Clear database
    28. if($total == 0)
    29. {
    30. // Set to 1
    31. $pageTotal = 1;
    32. }
    33. else
    34. {
    35. / / The total number of pages in paging (further rounded up)
    36. $pageTotal = ceil($total / $pagesize);
    37. }
    39. // The number of pages is greater than the total page number $total
    40. if($page > $pageTotal)
    41. {
    42. $page = $pageTotal;
    43. }
    44. // When the page starts from a certain record
    45. $pagestart = ($page - 1) * $pagesize;
    46. }
    50. Copy code
    53. Parameter explanation: $pagestart is when the page starts from a certain record, $pagesize is the number of records displayed on each page
    55. 3. During use, call pageParam first, then call paging
    /*** The first one can get a sql statement of the total number of data * The second one can display the number of items on each page
    */

    pageParam("select userid from user",2);

    //Paging type 1 is numeric paging 2 is text paging

    paging(2 );
    ?>

    2. Copy code
    5. 4. The calling location is selected according to the specific situation, and the text is paginated:
    11. //Paging type 1 is digital paging 2 is text paging
    paging(1);?>Copy code


    Related labels：
    PHP函数实现分页效果，php文本分页和数字分页
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