125 lines
4.6 KiB
JavaScript
125 lines
4.6 KiB
JavaScript
layui.define(['jquery','layer','table'], 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 $ = layui.$,
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layer = layui.layer,
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table = layui.table;
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var MOD_NAME='tablePlus';
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var tablePlus=$.extend({},table);
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tablePlus._render = tablePlus.render;
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tablePlus.excel = function(data,page_size,obj){
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//表头工具栏导出按钮
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$('[lay-id="'+obj.id+'"]').find('[lay-event="LAYTABLE_EXCEL"]').off().on('click',function(){
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if(data.count==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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else{
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let _page = parseInt(data.count/page_size);
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let page = data.count%page_size>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> '+data.count+' </strong>条数据，每次最多导出<strong>'+page_size+'</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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var tableWhere = JSON.parse(JSON.stringify(obj.where));
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tableWhere.limit=page_size;
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$('#exportPage').on('click','a',function(){
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tableWhere.page=$(this).data('page');
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let msg = layer.msg('正在导出数据...', {time:5000});
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$.ajax({
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url: obj.url,
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data: tableWhere,
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success:function(res){
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table.exportFile(obj.id, res.data,'xls');
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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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}
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});
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return false;
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}
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});
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$('[lay-id="'+obj.id+'"]').find('[lay-event="LAYTABLE_HELP"]').off().on('click',function(){
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let content = obj.help||'无帮助说明';
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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">'+content+'</div>'
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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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let is_excel = params.is_excel||false;
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let cols_save = params.cols_save||false;
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let excel_limit = params.excel_limit||1000;
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if(is_excel){
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let toolbar = ['filter', {title:'导出EXCEL',layEvent: 'LAYTABLE_EXCEL',icon: 'layui-icon-export'},{title:'数据说明',layEvent: 'LAYTABLE_HELP',icon: 'layui-icon-help'}];
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if(!params.defaultToolbar){
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params.defaultToolbar = toolbar;
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}
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else{
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let _toolbar = params.defaultToolbar;
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params.defaultToolbar = _toolbar.concat(toolbar);
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}
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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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if(cols_save){
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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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tablePlus.excel(data,excel_limit,obj);
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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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if(cols_save){
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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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tablePlus.excel(data,excel_limit,obj);
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}
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}
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}
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if(cols_save){
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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){
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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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}
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var init = tablePlus._render(params);
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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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}); |