以下是dhtmlxgrid示例文件的代码摘录:
<p> You are allowed to clear data and structure of grid and then load new data from XML file.</p>
<a href="#" onclick="savegrid();">Save Grid</a>
<div id="gridbox" style="width:600px; height:270px; background-color:white;"></div>
<a href='#alfa' onClick="ser()">Reload grid with another structure</a>
<br>
<script>
mygrid = new dhtmlXGridObject('gridbox');
mygrid.setImagePath("../../codebase/imgs/");
mygrid.loadXML("../common/grid500.xml");
function ser(){
mygrid.clearAll(true);
mygrid.loadXML("../common/gridH3.xml");
}
function savegrid(){
// want to save the grid here
}
</script>
如果我在网格中编辑数据。我希望能够将其保存到文件中。我怎么做?这不是自动完成的。
答案 0 :(得分:0)
可以获取dhtmlxgrid当前数据的csv或XML,并具有将更新保存到数据库或xml文件的脚本。将csv加载到网格中的dhtmlxgrid方法是.loadCSVString()
。加载xml文件的方法是.loadXML()
。使用当前网格内容创建csv字符串的方法是.serializeToCSV()
。使用当前网格内容创建xml的方法是.serialize()
。
以下是网格的示例用法。要在网格中显示和编辑的数据存储在XML文件中。网格中的更新/编辑也必须存储在该XML文件中。由于我的XML文件具有与dhdmlxgrid使用的XML不同的定义,因此我将XML中的数据作为csv字符串提取,将字符串加载到网格中,然后将更新作为csv字符串提取以保存回XML。这样做的代码比在两种xml格式之间切换更简单。
<强> HTML 强>
一个div被定义为网格元素。还定义了保存和取消按钮。
<div id="links_grid" style="width: 100%; height: 189px; margin-bottom: 4px; border: 1px solid silver;">
</div>
<button onclick="save_node_xml(\''+card_id+'\')">Save</button>
<button onclick="cancel_node_grid(\''+card_id+'\')">Cancel</button>
网格初始化
在这个javascxript中,网格对象被创建并填充数据。
// Retrieve grid data from XML as CSV data (dhtmlx has other ways to link to data sources)
grid_csv = $.ajax({
url: "get_node_urls.php",
type: "POST",
data: { nodeid: card_id },
cache: false,
async: false,
success: function (response) {
if (response != '')
{
/* alert(response); */
}
}
}).responseText;
// Create grid and load data
card_links_grid = new dhtmlXGridObject('links_grid');
card_links_grid.setImagePath("dhtmlxGrid_dnld/codebase/imgs/");
card_links_grid.setHeader("ID,Title,URL");
card_links_grid.setInitWidths("50,120,190");
card_links_grid.setColAlign("right,left,left");
card_links_grid.setColTypes("ed,ed,ed");
card_links_grid.setColSorting("str,str,str");
card_links_grid.enableDragAndDrop(true);
card_links_grid.init();
card_links_grid.setColumnHidden(0,true);
card_links_grid.setSkin("dhx_skyblue");
card_links_grid.bF(false);
card_links_grid.loadCSVString(grid_csv); // Load csv generated from XML data
// Fix formatting, apply here styles to override what is hardcoded in the grid code
$('table.hdr td',$('#links_grid')).css('padding','0');
$('table.hdr td',$('#links_grid')).css('height','16');
$('table.hdr td div.hdrcell',$('#links_grid')).css('margin','0');
$('table.hdr td div.hdrcell',$('#links_grid')).css('height','16');
保存数据
在此脚本中,网格内容将被检索并保存为XML。
// Get grid data as CSV
grid_csv = card_links_grid.serializeToCSV();
// Make array from CSV
var links_array = CSVToArray(grid_csv); // special function to make array from csv
// Send data to XML
for (var i=0; i<links_array.length; i++) {
var link = links_array[i];
var link_ix = link[0];
var link_id = link[1];
var link_title = link[2];
var link_url = link[3];
// Add updated links to XML
$.ajax({
url: "add_url.php",
type: "POST",
data: { nodeid: card_id, linkid: link_id, linktitle: link_title, linkurl: link_url },
cache: false,
async: false,
success: function (response) {
if (response != '')
{
// alert(response);
}
}
});
}