jquery实现自定义树形表格的方法【自定义树形结构table】

function createTables(data, t, p) {
    $("#datatable" + t + ' tbody').empty();
    var count = data.length;
    var html = '';
    if (count > 0) {
      for (var i = 0; i < count; i++) {
        var btn = '';
        if(data[i]._child && data[i]._child.length > 0){
          btn = '<i class="layui-icon mt-icon" style="cursor: pointer" data-tid="'+ data[i].category_id +'-'+ data[i].id +'-'+ t +'" data-pid="'+ data[i].category_id +'-'+ data[i].pid +'-'+ t +'">&#xe623;</i> ';
        }else{
          btn = '<i class="mt-icon" style="cursor: pointer" data-tid="'+ data[i].category_id +'-'+ data[i].id +'" data-pid="'+data[i].category_id +'-'+ data[i].pid+'"></i> ';
        }
        html += '<tr style="">' +
          '<td style="text-align: left">'+btn + data[i].name + '（' + data[i].title + '）' + '</td>' +
          '<td>' + (data[i].source_name "layui-icon" style="cursor: pointer" onclick="showHiddenArea(this,' + data[i].category_id + ',' + data[i].data_structure_id + ',' + data[i].time_unit + ',' + t + ');">&#xe62c;</i></td> ' +
          '</tr>';
        if(data[i]._child && data[i]._child.length > 0){
          html = createNewTable(data[i]._child,html,1,t);
        }
      }
    } else {
      html = '<tr><td colspan="12" style="text-align: center"> 暂无数据 </td></tr>';
    }
    $("#datatable" + t + ' tbody').html(html); // 插入的表格
    initTreeAction(t); // 结构初始化
}
function createNewTable(data,html,y,t)
{
    var counts = data.length;
    var num = ++y;
    for (var i = 0; i < counts; i++) {
      var btn = '';
      var css = '';
      css = 'text-indent:'+ (num * 20) +'px;';
      if(data[i]._child && data[i]._child.length > 0){
        css = 'text-indent:'+ (num==2"layui-icon mt-icon" style="cursor: pointer" data-tid="'+ data[i].category_id +'-'+ data[i].id +'-'+ t +'" data-pid="'+data[i].category_id +'-'+ data[i].pid+'-'+ t +'" data-type="dir">&#xe623;</i> ';
      }else{
        btn = '<i class="mt-icon" style="cursor: pointer" data-tid="'+ data[i].category_id +'-'+ data[i].id +'-'+ t +'" data-pid="'+data[i].category_id +'-'+ data[i].pid +'-'+ t +'" data-type="file"></i> ';
      }
      html += '<tr style="display: none">' +
        '<td style="text-align: left; '+ css +'">'+ btn + data[i].name + '（' + data[i].title + '）' + '</td>' +
        '<td>' + (data[i].source_name "layui-icon" style="cursor: pointer" onclick="showHiddenArea(this,' + data[i].category_id + ',' + data[i].data_structure_id + ',' + data[i].time_unit + ',' + t + ');">&#xe62c;</i></td> ' +
        '</tr>';
      if(data[i]._child && data[i]._child.length > 0){
        html = createNewTable(data[i]._child,html,num,t);
      }
    }
    return html;
}
function showLowData(obj)
{
    var mId = $(obj).attr('data-tid');
    var isOpen = $(obj).hasClass('open');
    if (isOpen) {
      $(obj).removeClass('open');
      if($(obj).hasClass('layui-icon')){
        $(obj).html('&#xe623;');
      }
    } else {
      $(obj).addClass('open');
      if($(obj).hasClass('layui-icon')){
        $(obj).html('&#xe625;');
      }
    }
    $(obj).parents('tbody').find('tr').each(function () {
      var mt = $(this).find('.mt-icon');
      var pid = mt.attr('data-pid');
      var Open = mt.hasClass('open');
      var type = mt.attr('data-type');
      if (mId == pid) {
        if (isOpen) {
          $(this).hide();
          if (type == 'dir' && Open == isOpen) {
            mt.trigger('click');
          }
        } else {
          $(this).show();
        }
      }
    });
}