请教EasyuI $.post如何带上页面参数
function TableInit() {
$('#dg').datagrid({
toolbar: "#toolBar",
title: "报表查询",
loadMsg: '正在加载信息...',
iconCls: "icon-grid",
singleSelect: true,
striped: true,
fitColumns: true,
singleSelect: true,
pagination: true,
rownumbers: false,
pageSize: 15,
pageList: [15, 20, 30, 40, 50],
columns: [[]],
onLoadError: function () {
$.messager.alert('查询出错', '加载数据出错');
},
onLoadSuccess: function (data) {
if (data.rows.length == 0) {
var body = $(this).data().datagrid.dc.body2;
body.find('table tbody').append('<tr><td width="' + body.width() + '" style="height: 25px; text-align: center; color:Red;">没有数据</td></tr>');
}
}
});
}
function Search() {
if (!DateCheck()) {
return;
}
var businessDateStart = GetSelectedBusinessDate("#businessYearStart", "#businessMonthStart");
var businessDateEnd = GetSelectedBusinessDate("#businessYearEnd", "#businessMonthEnd");
var businessType = $('input:radio[name=BusinessType]:checked').val();
var url = 'Process/FileExportHandler.ashx?ProcessType=QueryReport&BusinessDateStart=' + businessDateStart + '&BusinessDateEnd=' + businessDateEnd + '&BusinessType=' + businessType + '&t=' + new Date();
$('#dg').datagrid({ url: url });
}
对于一般的查询，我都是上面的方式，没问题。
但是对于一些查询的列不确定的数据（动态列），就只能改为下面的方式（因为返回的列数据是放在
data.columns）中的。
$.post('Process/FileExportHandler.ashx', { ProcessType: 'QueryReport', BusinessDateStart: businessDateStart, BusinessDateEnd: businessDateEnd, BusinessType: businessType },
function (data) {
$('#dg').datagrid({ columns: [data.columns] }).datagrid("loadData", data);
}, 'json');
可是上面存在一个问题，就是$.post提交时，page与rows是没有带过去的，即在后台获取不到下面数据
//int pageNumber = int.Parse(context.Request["page"]);
//int pageSize = int.Parse(context.Request["rows"]);
[解决办法]
你这个是自定义获取数据，都没有设置url，当然不会处理你的分页
columns要动态获取你可以先发送ajax获取到column的内容后再构造grid，加上url配置
你要动态附加其他参数可以使用onBeforeLoad事件，参数为param，修改param参数增加你的附加数据就行了，这些附加的数据会一起发送到服务器
$(function () {
TableInit();
});
function TableInit() {
$.post('Process/FileExportHandler.ashx', function (data) {//动态页只需要返回column就行了，数据不需要了
$('#dg').datagrid({
toolbar: "#toolBar",
title: "查询",
loadMsg: '正在加载信息...',
iconCls: "icon-grid",
singleSelect: true,
striped: true,
fitColumns: true,
singleSelect: true,
pagination: true,
rownumbers: false,
pageSize: 15,
pageList: [15, 20, 30, 40, 50],
url: 'xxxxxxxxx', ////
columns: [data.columns],
onBeforeLoad: function (param) {
var businessDateStart = GetSelectedBusinessDate("#businessYearStart", "#businessMonthStart");
var businessDateEnd = GetSelectedBusinessDate("#businessYearEnd", "#businessMonthEnd");
var businessType = $('input:radio[name=BusinessType]:checked').val();
var gridOpts = $('#dg').datagrid('getPager').data("pagination").options;
param.ProcessType = 'QueryReport';
param.BusinessDateStart = businessDateStart;
param.BusinessDateEnd = businessDateEnd;
param.BusinessType = businessType
param.page = gridOpts.pageNumber
param.rows = gridOpts.pageSize
}
});
});
}
function Search() {
var businessDateStart = GetSelectedBusinessDate("#businessYearStart", "#businessMonthStart");
var businessDateEnd = GetSelectedBusinessDate("#businessYearEnd", "#businessMonthEnd");
var businessType = $('input:radio[name=BusinessType]:checked').val();
var gridOpts = $('#dg').datagrid('getPager').data("pagination").options;
$('#dg').datagrid('load', { ProcessType: 'QueryReport', BusinessDateStart: businessDateStart, BusinessDateEnd: businessDateEnd, BusinessType: businessType, page: gridOpts.pageNumber, rows: gridOpts.pageSize });
}