datatbales 使用笔记

  var datatable_obj = null;
    $(document).ready(function(){
           datatable_obj = $(‘#merchant-list‘).DataTable({
                "serverSide": true,             //开启服务器实时搜索模式
                "processing": true,             //是否显示处理状态
                "aLengthMenu":[10,25,50,100,1000000],  //每页显示多少条数据
                "ajax":{
                    "type":‘POST‘,
                    "url":"http://<?php echo $_SERVER[‘HTTP_HOST‘];?>/hWvIrd62LPqRj2P8/MerchantApply/proxyMerchantDatatable",
                    "data":{
                        ‘type‘:‘‘,
                    }
                },
                "columns": [
                    null,
                    { "orderable": false , "width":"10"}, //设置列宽度
                    { "orderable": false },
                    { "orderable": false },
                    { "orderable": false },
                    { "orderable": false },
                    { "orderable": false },
                    { "orderable": false },
                    { "orderable": false },
                    { "orderable": false },
                    { "orderable": false },
                ],
                "fnDrawCallback":function(data){  //绘制完表格后 调用的函数
     
                        // // 销毁之前创建的标签
                        $("#merchant-list_length-from-one").remove();
                        var option = ‘‘;
                        option += ‘<form id="merchant-list_length-from-one" >‘;    //start
                        option += ‘<label style="margin-left:10px;;padding-top:4px;"> 粉丝总数: <b style="color:blue;">‘;
                        option +=  data.json.fans_total+‘</b> </label>‘;    //start
                        option += ‘<button class="btn btn-primary" style="float:right;height: 25px; background: #1ab394;color: #fff;padding: 5px; text-align: center; border-radius: 2px;border:none;margin-left: 10px;" onclick="data_to_excel()" type="button">导出excel</button>‘
                        option += ‘</from>‘;    //start

                        $("#merchant-list_length").parent().attr(‘class‘,‘col-sm-9‘);
                        $("#merchant-list_filter").parent().attr(‘class‘,‘col-sm-3‘);
                        $("#merchant-list_length").children(‘label‘).eq(0).after(option);

                        if($(‘#download-excel-type‘).val()==‘excel‘){
                            window.location.href = ‘http://‘+window.location.host +‘/hWvIrd62LPqRj2P8/MerchantApply/exportExcel‘;
                            $(‘#download-excel-type‘).val(‘‘);
                        }
                    },
            }); 
     });

//当你需要多条件查询，你可以调用此方法，动态修改参数传给服务器
function reloadTable() {
    var name = $("#seName").val();
    var admin = $("#seAdmin").val();
    var param = {
        "obj.name": name,
        "obj.admin": admin
    };
    datatables_obj.settings()[0].ajax.data = param;
    datatables_obj.ajax.reload();
}