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  • jQery Datatables回调函数中文

    Datatables——回调函数
    -------------------------------------------------
    
    fnCookieCallback:还没有使用过
    $(document).ready(function () {
        $('#example').dataTable({
            "fnCookieCallback": function (sName, oData, sExpires, sPath) {
                // Customise oData or sName or whatever else here
                return sName + "=" + JSON.stringify(oData) + "; expires=" + sExpires + "; path=" + sPath;
            }
        });
    });
    
    fnCreatedRow:顾名思义,创建行得时候的回调函数
    $(document).ready(function () {
        $('#example').dataTable({
            "fnCreatedRow": function (nRow, aData, iDataIndex) {
                // 为a的话字体加粗
                if (aData[4] == "A") {
                    $('td:eq(4)', nRow).html('<b>A</b>');
                }
            }
        });
    });
    
    fnDrawCallback:draw画 ,这个应该是重绘的回调函数
    $(document).ready(function () {
        $('#example').dataTable({
            "fnDrawCallback": function (oSettings) {
                alert('DataTables 重绘了');
            }
        });
    });
    fnFooterCallback:底部的回调函数,这个可以用来做总计之类的功能
    $(document).ready(function() {
        $('#example').dataTable({
            "fnFooterCallback": function(nFoot, aData, iStart, iEnd, aiDisplay) {
                nFoot.getElementsByTagName('th')[0].innerHTML = "Starting index is " + iStart;
            }
        });
    });
    
    fnFormatNumber:顾名思义,格式化数字的显示方式
    $(document).ready(function () {
        $('#example').dataTable({
            "fnFormatNumber": function (iIn) {
                if (iIn < 1000) {
                    return iIn;
                } else {
                    var s = (iIn + ""),
                    a = s.split(""), out = "",
                    iLen = s.length;
                    for (var i = 0; i < iLen; i++) {
                        if (i % 3 === 0 && i !== 0) {
                            out = "'" + out;
                        }
                        out = a[iLen - i - 1] + out;
                    }
                }
                return out;
            }
        });
    });
    
    fnHeaderCallback:表头的回调函数
    $(document).ready(function () {
        $('#example').dataTable({
            "fnHeaderCallback": function (nHead, aData, iStart, iEnd, aiDisplay) {
                nHead.getElementsByTagName('th')[0].innerHTML = "Displaying " + (iEnd - iStart) + " records";
            }
        });
    });
    
    fnInfoCallback:datatables信息的回调函数
    $('#example').dataTable({
        "fnInfoCallback": function (oSettings, iStart, iEnd, iMax, iTotal, sPre) {
            return iStart + " to " + iEnd;
        }
    });
    
    fnInitComplete:datatables初始化完毕后会调用这个方法
    $(document).ready(function () {
        $('#example').dataTable({
            "fnInitComplete": function (oSettings, json) {
                alert('DataTables has finished its initialisation.');
            }
        });
    });
    
    fnPreDrawCallback:每一次绘datatables时候调用的方法
    $(document).ready(function () {
        $('#example').dataTable({
            "fnPreDrawCallback": function (oSettings) {
                if ($('#test').val() == 1) {
                    return false;
                }
            }
        });
    });
    
    fnRowCallback:行的回调函数
    $(document).ready(function () {
        $('#example').dataTable({
            "fnRowCallback": function (nRow, aData, iDisplayIndex, iDisplayIndexFull) {
                // Bold the grade for all 'A' grade browsers
                if (aData[4] == "A") {
                    $('td:eq(4)', nRow).html('<b>A</b>');
                }
            }
        });
    });
    
    fnServerData:这个是结合服务器模式的回调函数,用来处理服务器返回过来的数据
    // POST data to server
    $(document).ready(function () {
        $('#example').dataTable({
            "bProcessing": true,
            "bServerSide": true,
            "sAjaxSource": "xhr.php",
            "fnServerData": function (sSource, aoData, fnCallback, oSettings) {
                oSettings.jqXHR = $.ajax({
                    "dataType": 'json',
                    "type": "POST",
                    "url": sSource,
                    "data": aoData,
                    "success": fnCallback
                });
            }
        });
    });
    
    fnServerParams:向服务器传额外的参数
    $(document).ready(function () {
        $('#example').dataTable({
            "bProcessing": true,
            "bServerSide": true,
            "sAjaxSource": "scripts/server_processing.php",
            "fnServerParams": function (aoData) {
                aoData.push({ "name": "more_data", "value": "my_value" });
            }
        });
    });
    
    fnStateLoad:读取状态的回调函数
    $(document).ready(function () {
        $('#example').dataTable({
            "bStateSave": true,
            "fnStateLoad": function (oSettings) {
                var o;
                // Send an Ajax request to the server to get the data. Note that
                // this is a synchronous request.
                $.ajax({
                    "url": "/state_load",
                    "async": false,
                    "dataType": "json",
                    "success": function (json) {
                        o = json;
                    }
                });
                return o;
            }
        });
    });
    
    fnStateLoadParams:和上面的不知道什么区别,没用过
    // Remove a saved filter, so filtering is never loaded
    $(document).ready(function () {
        $('#example').dataTable({
            "bStateSave": true,
            "fnStateLoadParams": function (oSettings, oData) {
                oData.oSearch.sSearch = "";
            }
        });
    });
    
    // Disallow state loading by returning false
    $(document).ready(function () {
        $('#example').dataTable({
            "bStateSave": true,
            "fnStateLoadParams": function (oSettings, oData) {
                return false;
            }
        });
    });
    
    fnStateLoaded:又是这个,加了ed 不知道意思没用过
    // Show an alert with the filtering value that was saved
    $(document).ready(function () {
        $('#example').dataTable({
            "bStateSave": true,
            "fnStateLoaded": function (oSettings, oData) {
                alert('Saved filter was: ' + oData.oSearch.sSearch);
            }
        });
    });
    
    fnStateSave:状态储存
    $(document).ready( function() {
        $('#example').dataTable({
            "bStateSave": true,
            "fnStateSave": function(oSettings, oData) {
    // Send an Ajax request to the server with the state object
                $.ajax({
                    "url": "/state_save",
                    "data": oData,
                    "dataType": "json",
                    "method": "POST"
                    "success": function () {
                }
            });
        };
    });
    });
    
    fnStateSaveParams :状态储存参数,没用过,不明白
    // Remove a saved filter, so filtering is never saved
    $(document).ready(function () {
        $('#example').dataTable({
            "bStateSave": true,
            "fnStateSaveParams": function (oSettings, oData) {
                oData.oSearch.sSearch = "";
            }
        });
    });
    

      

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  • 原文地址:https://www.cnblogs.com/lxny/p/6203661.html
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