datatables增加跳转至指定页功能

var mytable = $( '#datatables' );
     mytable.dataTable( {
         "sDom" : "<'row-fluid'<'span6'l><'span6'f>r>t<'row-fluid'<'span6'i><'span6'p>>" ,
         "sPaginationType" : "bootstrap" ,
         
         "bProcessing" : true ,
         "bServerSide" : true ,
         "sAjaxSource" : "/user/list" ,
         "aoColumns" : [
             { "mData" : "Id" },               
             { "mData" : "Username" },
             { "mData" : function (obj){
                 return obj.group;
             }},
             { "mData" : "yiyuan" },
             { "mData" : function (obj){
                 return obj.keshi;
             }},           
             { "mData" : function (obj){
                 if (obj.Status==1){
                     return "使用中" ;
                 } else {
                     return "禁用" ;
                 }
             }},           
             { "mData" : function (obj){
                 var del= "" ;
                 if (isAdmin){
                     del= '<a   data-title="' + obj.Id + '"  class="btn btn-danger"><i class="icon-wrench icon-white" ></i>删除</a>' ;
                 }
               return '<a  data-title="' + obj.Id + '"  class="btn btn-success" href="#"><i class="icon-edit icon-white"></i>修改</a>' + '&nbsp;&nbsp;' +del;
             },bSortable : false }
         ],
         "fnDrawCallback" : function (){
             var oTable = $( "#datatables" ).dataTable();
             $( '#redirect' ).keyup( function (e){
                 if ($( this ).val() && $( this ).val()>0){
                     var redirectpage = $( this ).val()-1;
                 } else {
                     var redirectpage = 0;
                 }
                 oTable.fnPageChange( redirectpage );
             });
         }
       });


bootstrap插件形式

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/* Set the defaults for DataTables initialisation */
$.extend( true , $.fn.dataTable.defaults, {
     "sDom" : "<'row-fluid'<'span6'l><'span6'f>r>t<'row-fluid'<'span6'i><'span6'p>>" ,
     "sPaginationType" : "bootstrap" ,
     "oLanguage" : {
         "sSearch" : "快速搜索:" ,
         "bAutoWidth" : true ,
         "sLengthMenu" : "每页显示 _MENU_ 条记录" ,
         "sZeroRecords" : "Nothing found - 没有记录" ,
         "sInfo" : "_START_ 到 _END_ 条,共 _TOTAL_ 条" ,
         "sInfoEmpty" : "显示0条记录" ,
         "sInfoFiltered" : "(从 _MAX_ 条中过滤)" ,
         "sProcessing" : "<div style=''><img src='../static/img/loader.gif'><span>加载中...</span></div>" ,
         "oPaginate" : {
             "sPrevious" : "" ,
             "sNext" :     "" ,
             "sLast" :     ">>" ,
             "sFirst" :    "<<"
         }
     }
} );
 
 
/* Default class modification */
$.extend( $.fn.dataTableExt.oStdClasses, {
     "sWrapper" : "dataTables_wrapper form-inline"
} );
 
 
/* API method to get paging information */
$.fn.dataTableExt.oApi.fnPagingInfo = function ( oSettings )
{
     return {
         "iStart" :         oSettings._iDisplayStart,
         "iEnd" :           oSettings.fnDisplayEnd(),
         "iLength" :        oSettings._iDisplayLength,
         "iTotal" :         oSettings.fnRecordsTotal(),
         "iFilteredTotal" : oSettings.fnRecordsDisplay(),
         "iPage" :          Math.ceil( oSettings._iDisplayStart / oSettings._iDisplayLength ),
         "iTotalPages" :    Math.ceil( oSettings.fnRecordsDisplay() / oSettings._iDisplayLength )
     };
};
 
     
 
 
/* Bootstrap style pagination control */
$.extend( $.fn.dataTableExt.oPagination, {
     "bootstrap" : {
         "fnInit" : function ( oSettings, nPaging, fnDraw ) {
             var oLang = oSettings.oLanguage.oPaginate;
             var fnClickHandler = function ( e ) {
                 e.preventDefault();
                 if ( oSettings.oApi._fnPageChange(oSettings, e.data.action) ) {
                     fnDraw( oSettings );
                 }
             };
 
             $(nPaging).addClass( 'pagination' ).append(
                 '<ul>' +
                 '<li class="first disabled"><a href="#">' +oLang.sFirst+ '</a></li>' +
                 '<li class="prev disabled"><a href="#">&larr; ' +oLang.sPrevious+ '</a></li>' +
                 '<li class="next disabled"><a href="#">' +oLang.sNext+ ' &rarr; </a></li>' +
                 '<li class="last disabled"><a href="#">' +oLang.sLast+ '</a></li>' +
                 '<input type="text" style="width: 30px;padding-top: 5px;padding-bottom: 5px;height: 18px;border-left: 0px;border-radius: 0px 4px 4px 0px;" id="redirect" class="redirect">' +
                 '</ul>'
                 );
 
            //datatables分页跳转
            $(nPaging).find( ".redirect" ).keyup( function (e){
                var ipage = parseInt($( this ).val());
                var oPaging = oSettings.oInstance.fnPagingInfo();
                if (isNaN(ipage) || ipage<1){
                    ipage = 1;
                } else if (ipage>oPaging.iTotalPages){
                    ipage=oPaging.iTotalPages;
                }
                $( this ).val(ipage);
                 ipage--;
                oSettings._iDisplayStart = ipage * oPaging.iLength;
                fnDraw( oSettings );
            });
 
             var els = $( 'a' , nPaging);
             $(els[0]).bind( 'click.DT' , {
                 action: "first"
             }, fnClickHandler );
             $(els[1]).bind( 'click.DT' , {
                 action: "previous"
             }, fnClickHandler );
             $(els[2]).bind( 'click.DT' , {
                 action: "next"
             }, fnClickHandler );
             $(els[3]).bind( 'click.DT' , {
                 action: "last"
             }, fnClickHandler );
         },
 
         "fnUpdate" : function ( oSettings, fnDraw ) {
             var iListLength = 5;
             var oPaging = oSettings.oInstance.fnPagingInfo();
             var an = oSettings.aanFeatures.p;
             var i, ien, j, sClass, iStart, iEnd, iHalf=Math.floor(iListLength/2);
 
             if ( oPaging.iTotalPages < iListLength) {
                 iStart = 1;
                 iEnd = oPaging.iTotalPages;
             }
             else if ( oPaging.iPage <= iHalf ) {
                 iStart = 1;
                 iEnd = iListLength;
             } else if ( oPaging.iPage >= (oPaging.iTotalPages-iHalf) ) {
                 iStart = oPaging.iTotalPages - iListLength + 1;
                 iEnd = oPaging.iTotalPages;
             } else {
                 iStart = oPaging.iPage - iHalf + 1;
                 iEnd = iStart + iListLength - 1;
             }
 
             for ( i=0, ien=an.length ; i<ien ; i++ ) {
                 // Remove the middle elements
                 ($( 'li:gt(1)' , an[i]).filter( ':not(:last)' )).filter( ':not(:last)' ).remove();
 
                 // Add the new list items and their event handlers
                 for ( j=iStart ; j<=iEnd ; j++ ) {
                     sClass = (j==oPaging.iPage+1) ? 'class="active"' : '' ;
                     $( '<li ' +sClass+ '><a href="#">' +j+ '</a></li>' )
                     .insertBefore( $( '.next' , an[i])[0] )
                     .bind( 'click' , function (e) {
                         e.preventDefault();
                         oSettings._iDisplayStart = (parseInt($( 'a' , this ).text(),10)-1) * oPaging.iLength;
                         fnDraw( oSettings );
                     } );
                 }
 
                 // Add / remove disabled classes from the static elements
                 if ( oPaging.iPage === 0 ) {
                     $( 'li:lt(2)' , an[i]).addClass( 'disabled' );
                 } else {
                     $( 'li:lt(2)' , an[i]).removeClass( 'disabled' );
                 }
 
                 if ( oPaging.iPage === oPaging.iTotalPages-1 || oPaging.iTotalPages === 0 ) {
                     $( '.next' , an[i]).addClass( 'disabled' );
                     $( 'li:last' , an[i]).addClass( 'disabled' );
                 } else {
                     $( '.next' , an[i]).removeClass( 'disabled' );
                     $( 'li:last' , an[i]).removeClass( 'disabled' );
                 }
             }
         }
     }
} );
 
 
/*
  * TableTools Bootstrap compatibility
  * Required TableTools 2.1+
  */
if ( $.fn.DataTable.TableTools ) {
     // Set the classes that TableTools uses to something suitable for Bootstrap
     $.extend( true , $.fn.DataTable.TableTools.classes, {
         "container" : "DTTT btn-group" ,
         "buttons" : {
             "normal" : "btn" ,
             "disabled" : "disabled"
         },
         "collection" : {
             "container" : "DTTT_dropdown dropdown-menu" ,
             "buttons" : {
                 "normal" : "" ,
                 "disabled" : "disabled"
             }
         },
         "print" : {
             "info" : "DTTT_print_info modal"
         },
         "select" : {
             "row" : "active"
         }
     } );
 
     // Have the collection use a bootstrap compatible dropdown
     $.extend( true , $.fn.DataTable.TableTools.DEFAULTS.oTags, {
         "collection" : {
             "container" : "ul" ,
             "button" : "li" ,
             "liner" : "a"
         }
     } );
}
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