layui.define(function(exports) {
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//tablePlus在原来的table模块的基础上实现了批量数据导出功能，实现defaultToolbar中筛选列记忆功能
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var table = layui.table;
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var form = layui.form;
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var MOD_NAME='tablePlus';
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var tablePlus=$.extend({},table);
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tablePlus._render = tablePlus.render;
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tablePlus.excel = function(total,options){
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//console.log(options);
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let _page = parseInt(total/options.excel_limit);
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let page = total%options.excel_limit>0?(_page+1):_page;
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let pageHtml='<p style="padding:16px 10px 0; text-align:center; color:red">由于导出数据比较消耗服务器资源，建议使用搜索功能筛选好数据再导出</p><p style="padding:5px 10px 10px; text-align:center; color:red">如果点击导出后，没有立即导出文件，请耐心等待一下，30秒内请勿重复点击。</p><p style="padding:0 10px; text-align:center;">共查询到<strong> '+total+' </strong>条数据，每次最多导出<strong>'+options.excel_limit+'</strong>条，共<strong>'+page+'</strong>页，请点击下面的页码导出</p><div id="exportPage" class="layui-box layui-laypage" style="padding:10px 0; width:100%;text-align:center;">';
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for (i = 1; i <= page; i++) {
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pageHtml += '<a href="javascript:;" data-page="'+i+'">'+i+'</a>';
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}
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pageHtml+='</div>';
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layer.open({
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type: 1,
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title: '导出数据',
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area:['580px','240px'],
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content: pageHtml,
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success:function(res){
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let tableWhere = JSON.parse(JSON.stringify(options.where));
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tableWhere.limit=options.excel_limit;
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$('#exportPage').on('click','a',function(){
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tableWhere.page=$(this).data('page');
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let msg = layer.msg('正在导出数据...', {time:3000});
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$.ajax({
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url: options.url,
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data: tableWhere,
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success:function(res){
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table.exportFile(options.id, res.data,'csv');
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setTimeout(function(){
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layer.msg('导出完成');
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},2000)
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}
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});
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})
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}
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});
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}
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//重写渲染方法
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tablePlus.render=function(params){
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if(params.excel_limit === undefined){
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params.excel_limit = 10000;
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}
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if(params.cols_save === undefined){
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params.cols_save = false;
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}
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if(params.limit === undefined){
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params.limit = 20;
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}
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if(params.page === undefined){
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params.page = true;
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}
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if(params.cellMinWidth === undefined){
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params.cellMinWidth = 80;
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}
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if(params.help === undefined){
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params.help = '无帮助说明';
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}
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let defaultToolbar = [
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'filter',
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{
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name: 'exports',
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onClick: function(obj) {
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// 当前示例配置项
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let options = obj.config;
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let total = obj.data.length;
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// 弹出面板
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obj.openPanel({
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list: [ // 列表
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'<li data-type="page">导出当前页</li>',
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'<li data-type="all">导出全部</li>'
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].join(''),
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done: function(panel, list) {
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list.on('click', function() {
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if(total==0){
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layer.msg('暂无数据');
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return false;
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}
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let type = $(this).data('type')
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if(type === 'page') {
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// 调用内置导出方法
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let msg = layer.msg('正在导出数据...', {time:1000});
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table.exportFile(options.id, null, 'csv');
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}else if(type === 'all') {
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let tableWhere = JSON.parse(JSON.stringify(options.where));
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tableWhere.limit=options.excel_limit;
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if(total<=tableWhere.limit){
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tableWhere.page=1;
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let msg = layer.msg('正在导出数据...', {time:3000});
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$.ajax({
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url: options.url,
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data: tableWhere,
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success:function(res){
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table.exportFile(options.id, res.data,'csv');
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setTimeout(function(){
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layer.msg('导出完成');
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},3000)
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}
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});
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}
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else{
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tablePlus.excel(total,options)
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}
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}
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});
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}
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});
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}
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},{
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title:'数据说明',
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icon: 'layui-icon-help',
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layEvent: 'LAYTABLE_HELP',
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onClick: function(obj) {
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layer.open({
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shadeClose: true,
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title:'帮助说明',
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type: 1,
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content: '<div style="padding:20px 15px; min-width:300px; line-height:1.8">'+obj.config.help+'</div>'
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})
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}
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}
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]
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if(params.defaultToolbar != false){
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params.defaultToolbar = defaultToolbar;
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}
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if(params.cols_save == true){
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// 从本地存储获取用户保存的列显示设置
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let savedCols = localStorage.getItem('col-filter-'+params.url);
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let colsStatus = savedCols ? JSON.parse(savedCols) : {};
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let cols = params.cols;
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for (var i=0;i<cols[0].length;i++){
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if(cols[0][i].field!=undefined && colsStatus[cols[0][i].field] != undefined){
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cols[0][i].hide=colsStatus[cols[0][i].field];
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}
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}
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params.cols = cols;
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if(typeof params.done === "function"){
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let _done = params.done;
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params.done = function(data, curr, count){
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let obj = this;
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_done(data, curr, count);
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obj.elem.next().on('mousedown', 'input[lay-filter="LAY_TABLE_TOOL_COLS"]+', function(){
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var input = $(this).prev()[0];
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layui.data ('col-filter-'+params.url,{
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key: input.name,
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value: input.checked
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})
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});
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}
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}
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else{
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params.done = function(data){
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let obj = this;
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obj.elem.next().on('mousedown', 'input[lay-filter="LAY_TABLE_TOOL_COLS"]+', function(){
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var input = $(this).prev()[0];
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layui.data ('col-filter-'+params.url,{
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key: input.name,
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value: input.checked
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})
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});
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}
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}
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}
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var init = tablePlus._render(params);
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//监听搜索提交
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form.on('submit(table-search)', function(data) {
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init.reload({
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where: data.field,
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page: {curr: 1}
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});
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return false;
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});
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//重置搜索提交
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$('body').on('click', '[lay-filter="table-reset"]', function () {
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let prev = $(this).prev();
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if (typeof(prev) != "undefined" ) {
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setTimeout(function () {
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prev.click();
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}, 10)
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}
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});
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return init;
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//console.log(params);
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};
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exports(MOD_NAME, tablePlus);
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});
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