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更新treetable，之前的方案数据量大性能太差

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This commit is contained in:
cyf783
2018-07-27 23:16:59 +08:00
parent 7d733d868c
commit 28dd8a0dee
9 changed files with 342 additions and 904 deletions
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12
src/main/resources/static/ajax/libs/bootstrap-treetable/bootstrap-treetable.css vendored Normal file
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.bootstrap-tree-table .treetable-indent {width:16px; height: 16px; display: inline-block; position: relative;}
.bootstrap-tree-table .treetable-expander {width:16px; height: 16px; display: inline-block; position: relative; cursor: pointer;}
.bootstrap-tree-table .treetable-expander-expanded{background-image: url(img/collapse.png); }
.bootstrap-tree-table .treetable-expander-collapsed{background-image: url(img/expand.png);}
.bootstrap-tree-table .treetable-selected{background: #f5f5f5 !important;}
.bootstrap-tree-table .treetable-table{border:0 !important;margin-bottom:0}
.bootstrap-tree-table .treetable-table tbody {display:block;height:auto;overflow-y:auto;}
.bootstrap-tree-table .treetable-table thead, .treetable-table tbody tr {display:table;width:100%;table-layout:fixed;}
.bootstrap-tree-table .treetable-thead th{line-height:40px;border: 0 !important;background:#f3f3f4 !important;border-radius: 4px;border-left:0px solid #e7eaec !important;border-bottom:2px solid #e7eaec !important;text-align: center;}
.bootstrap-tree-table .treetable-thead tr :first-child{border-left:0 !important}
.bootstrap-tree-table .treetable-tbody td{border: 0 !important;border-left:0px solid #e7eaec !important;border-bottom:1px solid #e7eaec !important;overflow: hidden; white-space: nowrap; text-overflow: ellipsis;}
.bootstrap-tree-table .treetable-tbody tr :first-child{border-left:0 !important}

322
src/main/resources/static/ajax/libs/bootstrap-treetable/bootstrap-treetable.js vendored Normal file
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/**
* bootstrapTreeTable
*
* @author swifly
*/
(function($) {
"use strict";
$.fn.bootstrapTreeTable = function(options, param) {
var allData = null;//用于存放格式化后的数据
// 如果是调用方法
if (typeof options == 'string') {
return $.fn.bootstrapTreeTable.methods[options](this, param);
}
// 如果是初始化组件
options = $.extend({}, $.fn.bootstrapTreeTable.defaults, options || {});
// 是否有radio或checkbox
var hasSelectItem = false;
var target = $(this);
// 在外层包装一下div，样式用的bootstrap-table的
var _main_div = $("<div class='bootstrap-tree-table fixed-table-container'></div>");
target.before(_main_div);
_main_div.append(target);
target.addClass("table table-hover treetable-table table-bordered");
if (options.striped) {
target.addClass('table-striped');
}
// 工具条在外层包装一下div，样式用的bootstrap-table的
if(options.toolbar){
var _tool_div = $("<div class='fixed-table-toolbar'></div>");
var _tool_left_div = $("<div class='bs-bars pull-left'></div>");
_tool_left_div.append($(options.toolbar));
_tool_div.append(_tool_left_div);
_main_div.before(_tool_div);
}
// 格式化数据，优化性能
target.formatData=function(data){
var _root = options.rootCodeValue?options.rootCodeValue:null
$.each(data, function(index, item) {
// 添加一个默认属性，用来判断当前节点有没有被显示
item.isShow = false;
// 这里兼容几种常见Root节点写法
// 默认的几种判断
var _defaultRootFlag = item[options.parentCode] == '0'
|| item[options.parentCode] == 0
|| item[options.parentCode] == null
|| item[options.parentCode] == '';
if (!item[options.parentCode] || (_root?(item[options.parentCode] == options.rootCodeValue):_defaultRootFlag)){
if(!allData["_root_"]){allData["_root_"]=[];}
allData["_root_"].push(item);
}else{
if(!allData["_n_"+item[options.parentCode]]){allData["_n_"+item[options.parentCode]]=[];}
allData["_n_"+item[options.parentCode]].push(item);
}
});
data=null;//回收
}
// 得到根节点
target.getRootNodes = function() {
return allData["_root_"];
};
// 递归获取子节点并且设置子节点
target.handleNode = function(parentNode, lv, row_id, p_id, tbody) {
var _ls = allData["_n_"+parentNode[options.code]];
var tr = target.renderRow(parentNode,_ls?true:false,lv,row_id,p_id);
tbody.append(tr);
if(_ls){
$.each(_ls, function(i, item) {
var _row_id = row_id+"_"+i
target.handleNode(item, (lv + 1), _row_id,row_id, tbody)
});
}
};
// 绘制行
target.renderRow = function(item,isP,lv,row_id,p_id){
// 标记已显示
item.isShow = true;
var tr = $('<tr id="'+row_id+'" pid="'+p_id+'"></tr>');
var _icon = options.expanderCollapsedClass;
if(options.expandAll){
tr.css("display","table");
_icon = options.expanderExpandedClass;
}else if(options.expandFirst&&lv<=2){
tr.css("display","table");
_icon=(lv==1)?options.expanderExpandedClass:options.expanderCollapsedClass;
}else{
tr.css("display","none");
_icon = options.expanderCollapsedClass;
}
$.each(options.columns, function(index, column) {
// 判断有没有选择列
if(column.field=='selectItem'){
hasSelectItem = true;
var td = $('<td style="text-align:center;width:36px"></td>');
if(column.radio){
var _ipt = $('<input name="select_item" type="radio" value="'+item[options.id]+'"></input>');
td.append(_ipt);
}
if(column.checkbox){
var _ipt = $('<input name="select_item" type="checkbox" value="'+item[options.id]+'"></input>');
td.append(_ipt);
}
tr.append(td);
}else{
var td = $('<td title="'+item[column.field]+'" name="'+column.field+'" style="'+((column.width)?('width:'+column.width):'')+'"></td>');
// 增加formatter渲染
if (column.formatter) {
td.html(column.formatter.call(this, item[column.field], item, index));
} else {
td.text(item[column.field]);
}
if(options.expandColumn==index){
if(!isP){
td.prepend('<span class="treetable-expander"></span>')
}else{
td.prepend('<span class="treetable-expander '+_icon+'"></span>')
}
for (var int = 0; int < (lv-1); int++) {
td.prepend('<span class="treetable-indent"></span>')
}
}
tr.append(td);
}
});
return tr;
}
// 加载数据
target.load = function(parms){
// 加载数据前先清空
allData = {};
// 加载数据前先清空
target.html("");
// 构造表头
var thr = $('<tr></tr>');
$.each(options.columns, function(i, item) {
var th = null;
// 判断有没有选择列
if(i==0&&item.field=='selectItem'){
hasSelectItem = true;
th = $('<th style="width:36px"></th>');
}else{
th = $('<th style="'+((item.width)?('width:'+item.width):'')+'"></th>');
}
th.text(item.title);
thr.append(th);
});
var thead = $('<thead class="treetable-thead"></thead>');
thead.append(thr);
target.append(thead);
// 构造表体
var tbody = $('<tbody class="treetable-tbody"></tbody>');
target.append(tbody);
// 添加加载loading
var _loading = '<tr><td colspan="'+options.columns.length+'"><div style="display: block;text-align: center;">正在努力地加载数据中，请稍候……</div></td></tr>'
tbody.html(_loading);
// 默认高度
if(options.height){
tbody.css("height",options.height);
}
$.ajax({
type : options.type,
url : options.url,
data : parms?parms:options.ajaxParams,
dataType : "JSON",
success : function(data, textStatus, jqXHR) {
// 加载完数据先清空
tbody.html("");
if(!data||data.length<=0){
var _empty = '<tr><td colspan="'+options.columns.length+'"><div style="display: block;text-align: center;">没有找到匹配的记录</div></td></tr>'
tbody.html(_empty);
return;
}
// 格式化数据
target.formatData(data);
// 开始绘制
var rootNode = target.getRootNodes();
if(rootNode){
$.each(rootNode, function(i, item) {
var _row_id = "row_id_"+i
target.handleNode(item, 1, _row_id,"row_root", tbody);
});
}
// 下边的操作主要是为了查询时让一些没有根节点的节点显示
$.each(data, function(i, item) {
if(!item.isShow){
var tr = target.renderRow(item,false,1);
tbody.append(tr);
}
});
target.append(tbody);
//动态设置表头宽度
thead.css("width", tbody.children(":first").css("width"));
// 行点击选中事件
target.find("tbody").find("tr").click(function(){
if(hasSelectItem){
var _ipt = $(this).find("input[name='select_item']");
if(_ipt.attr("type")=="radio"){
_ipt.prop('checked',true);
target.find("tbody").find("tr").removeClass("treetable-selected");
$(this).addClass("treetable-selected");
}else{
if(_ipt.prop('checked')){
_ipt.prop('checked',false);
$(this).removeClass("treetable-selected");
}else{
_ipt.prop('checked',true);
$(this).addClass("treetable-selected");
}
}
}
});
// 小图标点击事件--展开缩起
target.find("tbody").find("tr").find(".treetable-expander").click(function(){
var _flag = $(this).hasClass(options.expanderExpandedClass);
var tr = $(this).parent().parent();
var row_id = tr.attr("id");
if(_flag){
var _ls = target.find("tbody").find("tr[id^='"+row_id+"_']");//下所有
if(_ls&&_ls.length>0){
$.each(_ls, function(index, item) {
$(item).css("display","none");
var _icon = $(item).children().eq(options.expandColumn).find(".treetable-expander");
if(_icon.hasClass(options.expanderExpandedClass)){
_icon.removeClass(options.expanderExpandedClass)
_icon.addClass(options.expanderCollapsedClass)
}
});
}
$(this).removeClass(options.expanderExpandedClass)
$(this).addClass(options.expanderCollapsedClass)
}else{
var _ls = target.find("tbody").find("tr[pid='"+row_id+"']");//下一级
if(_ls&&_ls.length>0){
$.each(_ls, function(index, item) {
$(item).css("display","table");
});
}
$(this).removeClass(options.expanderCollapsedClass)
$(this).addClass(options.expanderExpandedClass)
}
});
},
error:function(xhr,textStatus){
var _errorMsg = '<tr><td colspan="'+options.columns.length+'"><div style="display: block;text-align: center;">'+xhr.responseText+'</div></td></tr>'
tbody.html(_errorMsg);
debugger;
},
});
}
if (options.url) {
target.load();
} else {
// 也可以通过defaults里面的data属性通过传递一个数据集合进来对组件进行初始化....有兴趣可以自己实现，思路和上述类似
}
return target;
};
// 组件方法封装........
$.fn.bootstrapTreeTable.methods = {
// 返回选中记录的id（返回的id由配置中的id属性指定）
// 为了兼容bootstrap-table的写法，统一返回数组，这里只返回了指定的id
getSelections : function(target, data) {
// 所有被选中的记录input
var _ipt = target.find("tbody").find("tr").find("input[name='select_item']:checked");
var chk_value =[];
// 如果是radio
if(_ipt.attr("type")=="radio"){
var _data = {id:_ipt.val()};
var _tds = _ipt.parent().parent().find("td");
_tds.each(function(_i,_item){
if(_i!=0){
_data[$(_item).attr("name")]=$(_item).attr("title");
}
});
chk_value.push(_data);
}else{
_ipt.each(function(_i,_item){
var _data = {id:$(_item).val()};
var _tds = $(_item).parent().parent().find("td");
_tds.each(function(_ii,_iitem){
if(_ii!=0){
_data[$(_iitem).attr("name")]=$(_iitem).attr("title");
}
});
chk_value.push(_data);
});
}
return chk_value;
},
// 刷新记录
refresh : function(target, parms) {
if(parms){
target.load(parms);
}else{
target.load();
}
},
// 组件的其他方法也可以进行类似封装........
};
$.fn.bootstrapTreeTable.defaults = {
id : 'id',// 选取记录返回的值
code : 'id',// 用于设置父子关系
parentCode : 'parentId',// 用于设置父子关系
rootCodeValue: null,//设置根节点code值----可指定根节点，默认为null,"",0,"0"
data : [], // 构造table的数据集合
type : "GET", // 请求数据的ajax类型
url : null, // 请求数据的ajax的url
ajaxParams : {}, // 请求数据的ajax的data属性
expandColumn : 1,// 在哪一列上面显示展开按钮
expandAll : false, // 是否全部展开
expandFirst : true, // 是否默认第一级展开--expandAll为false时生效
striped : false, // 是否各行渐变色
columns : [],
toolbar: null,//顶部工具条
height: 0,
expanderExpandedClass : 'glyphicon glyphicon-chevron-down',// 展开的按钮的图标
expanderCollapsedClass : 'glyphicon glyphicon-chevron-right'// 缩起的按钮的图标
};
})(jQuery);