jquery Easyui Datagrid实现批量操作（编辑，删除，添加）

var ed = $(this).datagrid('getEditor', {
index: index,
field: 'productid'
});
row.productname = $(ed.target).combobox('getText');
}
function append(){
var index = $('#dg').datagrid('getRowIndex', $('#dg').datagrid('getSelected'));
if (index == -1)
index = 0;
$("#dg").datagrid("insertRow", {
index: index+1,
row: {oper: "<a href='javascript:append()'>+<a> <a href='javascript:removeit()'>-<a>",status:'P'}
});
}
function removeit(){
if (editIndex == undefined){return}
$('#dg').datagrid('selectRow', editIndex);

$('#dg').datagrid('cancelEdit', editIndex)
.datagrid('deleteRow', editIndex);
editIndex = undefined;
}
function accept(){
if (endEditing()){
var $dg = $('#dg');
var rows = $dg.datagrid('getChanges');
if (rows.length) {
var inserted = $dg.datagrid('getChanges', "inserted");
var deleted = $dg.datagrid('getChanges', "deleted");
var updated = $dg.datagrid('getChanges', "updated");
var effectRow = new Object();
if (inserted.length) {
effectRow["inserted"] = JSON.stringify(inserted);
}
if (deleted.length) {
effectRow["deleted"] = JSON.stringify(deleted);
}
if (updated.length) {
effectRow["updated"] = JSON.stringify(updated);
}
//alert(inserted);
//alert(deleted);
//alert(updated);
}
}
//$.post("/Home/Commit", effectRow, function (rsp) {
// if (rsp) {
// $dg.datagrid('acceptChanges');
// bindData();
// }
//}, "JSON").error(function () {
// $.messager.alert("提示", "提交错误了！");
//});
}
function reject(){
$('#dg').datagrid('rejectChanges');
editIndex = undefined;
}
function getChanges(){
var rows = $('#dg').datagrid('getChanges');
alert(rows.length+' rows are changed!');
}

function contains(arr, obj) {
var i = arr.length;
while (i--) {
if (arr[i] === obj) {
return true;
}
}
return false;
}
</script>
</body>
</html>