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這是easyui datagrid查詢(xún) 查詢(xún)的時(shí)候太慢了 求大神看看 如何優(yōu)化

這是easyui datagrid查詢(xún) 查詢(xún)的時(shí)候太慢了 求大神看看 如何優(yōu)化

function queryData(pageSize, pageNumber) {?? ?var siteNo = $("#cmbSite").combobox("getValue");//id;?? ?var startDt = $("#startDt").datebox("getValue");?? ?var endDt = $("#endDt").datebox("getValue");?? ??? ?if(startDt.length<2){?? ??? ?alert("請(qǐng)輸入開(kāi)始時(shí)間");?? ??? ?return;?? ?}?? ?else if(endDt.length<2){?? ??? ?alert("請(qǐng)輸入結(jié)束時(shí)間");?? ??? ?return;?? ?}?? ?else{?? ?ShowProgress("正在加載數(shù)據(jù)....");?? ?var param = "pageSize=" + pageSize + "&pageNumber=" + pageNumber + "&siteNo=" + siteNo + "&StartDt=" + startDt + "&endDt=" + endDt;?? ??? ?}?? ??? ?$.ajax({?? ??? ?type: 'get',?? ??? ?dataType: "jsonp",?? ??? ?jsonp: "callback",?? ??? ?url: QXZSearch,?? ??? ?data: param,?? ??? ?success: function(data) {?? ??? ??? ?console.log(data);?? ??? ??? ?$('#gridList').datagrid({?? ??? ??? ??? ?'columns': [data.title]?? ??? ??? ?});?? ??? ??? ?$('#gridList').datagrid('loadData', data.data);?? ??? ??? ??? ?CloseProgress();?? ??? ??? ?var p = $('#gridList').datagrid('getPager');?? ??? ??? ?$(p).pagination({?? ??? ??? ??? ?total: data.total,?? ??? ??? ??? ?pageSize: pageSize,?? ??? ??? ??? ?pageNumber: pageNumber,?? ??? ??? ??? ?onSelectPage: function(pageNumber, pageSize) {//分頁(yè)?? ??? ??? ??? ??? ?queryData(pageSize, pageNumber);?? ??? ??? ??? ?}?? ??? ??? ?});????????},?? ??? ?error: function() {?? ??? ??? ?$.messager.alert("提示", "加載數(shù)據(jù)出錯(cuò)", "warning");?? ??? ??? ?CloseProgress();?? ??? ?}???? })?? ??? ?}
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