目前追加每一行，但没有绘制方法分页不显示。如何定义列并使用定义的列需要呈现行。我在这里做错了什么？
//忽略这个重复的部分。 当前追加每一行，但没有绘制方法分页不显示。如何定义列并使用定义的列需要呈现行。我在这里做错了什么？
的javascript：
<script>
$(function () {
var loading_image_src = '<?php echo base_url() ?>' + 'project_base_assets/base_demo_images/loading.gif';
var loading_image = '<img src="' + loading_image_src + ' ">';
var loading_span = '<span><i class="fa fa-refresh fa-spin fa-4x" aria-hidden="true"></i></span> ';
var loading_text = "<div style='font-size:larger' ><?php echo lang('loading_text')?></div>";
$('#user-table').DataTable({
"processing": true,
"serverSide": true,
"paging": true,
"pagingType": "full_numbers",
"lengthChange": true,
"searching": true,
"ordering": true,
"info": true,
"autoWidth": true,
"language": {
processing: loading_image + '<br>' + loading_text
},
'columnDefs': [{
// The `data` parameter refers to the data for the cell (defined by the
// `data` option, which defaults to the column being worked with, in
// this case `data: 0`.
"render": function (data, type, row) {
alert(data);
console.log(data);
console.log(type);
console.log(row);
return data;
},
"targets": 0
}, {orderable: false, targets: [3, 7]}/*, { visible: false, targets: [3,4,5] }*/
],
"aaSorting": [[5, 'asc']],
"ajax": {
url: "<?php echo base_url() . 'users/auth/get_users_by_ajax' ?>", // json datasource
type: "post",
success: function (res) {
$('#user-table-tbody').children("tr").remove();
console.log(res.last_query);
console.log(res.common_filter_value);
console.log(res.specific_filters);
console.log(res.order_column);
console.log(res.order_by);
console.log(res.limit_start);
console.log(res.limit_length);
$('#user-table_processing').css('display', 'block');
for (var i = 0; i < res.data.users.length; i++) {
var col = new Array();
col[0] = '<td>' + res.data.users[i].first_name + '</td>';
col[1] = '<td>' + res.data.users[i].last_name + '</td>';
col[2] = '<td title="' + res.data.users[i].email + '" >' + res.data.users[i].email + '</td>';
//col-3 starts
var group_names = '';
for (var incr = 0; incr < res.data.users[i].groups.length; incr++) {
group_names += res.data.users[i].groups[incr].name;
group_names += '<br>';
}
col[3] = '<td>' + group_names + '</td>';
//col-3 ends
//col-4 starts
var status_span = '';
var status_anchor = '';
var status_anchor_span = '';
var tooltip_deactivate_text = '<?php echo lang('tooltip_deactivate_text') ?>';
var tooltip_activate_text = '<?php echo lang('tooltip_activate_text') ?>';
var deactivate_url = '<?php echo base_url() ?>' + 'users/auth/deactivateUser/' + res.data.users[i].id;
var activate_url = '<?php echo base_url() ?>' + 'users/auth/activateUser/' + res.data.users[i].id;
col[4] = '';
if (res.data.users[i].active == 1) {
status_span = '<span class="label label-primary">' + '<?php echo lang('status_active_text')?>' + '</span>';
status_anchor_span = '<span class="label label-danger"><i class="fa fa-check" aria-hidden="true"></i></span>';
status_anchor = '<a title="' + tooltip_deactivate_text + '" ' + ' href="' + deactivate_url + '" ' + '>' + status_anchor_span + '</a>';
col[4] = '<td data-sort="' + res.data.users[i].active + '"> ' + status_span + ' ' + status_anchor + '</td>';
} else {
status_span = '<span class="label label-primary">' + '<?php echo lang('status_inactive_text')?>' + '</span>';
status_anchor_span = '<span class="label label-success"><i class="fa fa-check" aria-hidden="true"></i></span>';
status_anchor = '<a title="' + tooltip_activate_text + '" ' + ' href="' + activate_url + '" ' + '>' + status_anchor_span + '</a>';
col[4] = '<td data-sort="' + res.data.users[i].active + '"> ' + status_span + ' ' + status_anchor + '</td>';
}
//col[4] = '<td>' + res.data.users[i].active + '</td>';
//col-4 ends
col[5] = '<td data-sort="' + res.data.users[i].created_on_timestamp + '" >' + res.data.users[i].created_on + '</td>';
col[6] = '<td data-sort="' + res.data.users[i].last_login_timestamp + '" >' + res.data.users[i].last_login + '</td>';
//col=7 starts
var tooltip_view_text = '<?php echo lang('tooltip_view_text') ?>';
var view_url = '<?php echo base_url() ?>' + 'user_profile_module/user_profile_overview/' + res.data.users[i].id;
var view_anchor = '<a title="' + tooltip_view_text + '" ' + ' href="' + view_url + '" '+'style="color:#2b2b2b"' + '>' + '<i class="fa fa-eye fa-lg " aria-hidden="true"></i>' + '</a>';
//message unavailable
var tooltip_message_text = '<?php echo lang('tooltip_message_text') ?>';
var message_url = '<?php echo base_url() ?>';
var message_anchor = '<a title="' + tooltip_message_text + '" ' + ' href="' + message_url + '" '+'style="color:#2b2b2b"' + '>' + '<i class="fa fa-envelope-o fa-lg" aria-hidden="true"></i>' + '</a>';
var tooltip_edit_text = '<?php echo lang('tooltip_edit_text') ?>';
var edit_url = '<?php echo base_url() ?>'+'users/auth/edit_user/'+ res.data.users[i].id;
var edit_anchor = '<a title="' + tooltip_edit_text + '" ' + ' href="' + edit_url + '" '+'style="color:#2b2b2b"' + '>' + '<i class="fa fa-pencil-square-o fa-lg" aria-hidden="true"></i>' + '</a>';
var tooltip_delete_text = '<?php echo lang('tooltip_delete_text') ?>';
var delete_url = '<?php echo base_url() ?>'+'users/auth/deleteUser/'+res.data.users[i].id;
var delete_anchor = '<a class="confirmation" title="' + tooltip_delete_text + '" ' + ' href="' + delete_url + '" '+'style="color:#2b2b2b"' + '>' + '<i class="fa fa-trash-o fa-lg" aria-hidden="true"></i>' + '</a>';
col[7] = '<td>' + view_anchor+' '+edit_anchor+' '+delete_anchor+' '+'</td>';
//col-7 ends
var row = '<tr>';
for (var inc = 0; inc < col.length; inc++) {
row += col[inc];
}
row += '</tr>';
//console.log(row);
$('#user-table-tbody').append(row);
}
//hide loading after appending or drawing rows
$('#user-table_processing').css('display', 'none');
}
}
}).draw();
});
PHP：
public function getUsersByAjax()
{
$requestData = $_REQUEST;
$columns[0] = 'first_name';
$columns[1] = 'last_name';
$columns[2] = 'email';
$columns[3] = 'group';
$columns[4] = 'active';
$columns[5] = 'created_on';
$columns[6] = 'last_login';
$columns[7] = 'actions';
$common_filter_value = false;
$order_column = false;
$specific_filters = array();
//$specific_filters = false;
if (!empty($requestData['columns'][0]['search']['value'])) {
$specific_filters['first_name'] = $requestData['columns'][0]['search']['value'];
}
if (!empty($requestData['columns'][1]['search']['value'])) {
$specific_filters['last_name'] = $requestData['columns'][1]['search']['value'];
}
if (!empty($requestData['columns'][2]['search']['value'])) {
$specific_filters['email'] = $requestData['columns'][2]['search']['value'];
}
if (!empty($requestData['columns'][3]['search']['value'])) {
$specific_filters['group'] = $requestData['columns'][3]['search']['value'];
}
if (!empty($requestData['columns'][4]['search']['value'])) {
$specific_filters['active'] = $requestData['columns'][4]['search']['value'];
}
if (!empty($requestData['search']['value'])) {
$common_filter_value = $requestData['search']['value'];
}
if ($specific_filters == true || !empty($specific_filters)) {
$common_filter_value = false; //either search with specific filters or with common filter
}
$order['column'] = $columns[$requestData['order'][0]['column']];
$order['by'] = $requestData['order'][0]['dir'];
$limit['start'] = $requestData['start'];
$limit['length'] = $requestData['length'];
$totalData = $this->Custom_auth_model->countUsers($common_filter_value, $specific_filters);
if ($common_filter_value == true || $specific_filters == true) {
$totalFiltered = $totalData;
} else {
$totalFiltered = $this->Custom_auth_model->countUsers($common_filter_value = false, $specific_filters = false);
}
$totalFiltered = $totalData; // when there is no search parameter then total number rows = total number filtered rows.
$data['users'] = $this->Custom_auth_model->getUsers($common_filter_value, $specific_filters,$order,$limit);
$last_query = $this->db->last_query();
foreach ($data['users'] as $k => $user) {
$data['users'][$k]->groups = $this->ion_auth->get_users_groups($user->id)->result();
}
$this->load->library('custom_datetime_library');
$i = 0;
foreach ($data['users'] as $a_user) {
$data['users'][$i]->created_on_timestamp = $a_user->created_on;
$data['users'][$i]->last_login_timestamp = $a_user->last_login;
if ($a_user->created_on == 0) {
$a_user->created_on = $this->lang->line('creation_time_unknown_text');
} else {
$a_user->created_on =
$this->custom_datetime_library
->convert_and_return_TimestampToDateAndTime($a_user->created_on);
}
if ($a_user->last_login == 0) {
$a_user->last_login = $this->lang->line('never_logged_in_text');
} else {
$a_user->last_login =
$this->custom_datetime_library
->convert_and_return_TimestampToDateAndTime($a_user->last_login);
}
$i++;
}
$json_data['draw'] = intval($requestData['draw']);
/* $totalData: for every request/draw by clientside ,
they send a number as a parameter, when they recieve a response/data they first check the draw number,
so we are sending same number in draw.*/
$json_data['recordsTotal'] = intval($totalData); // total number of records after searching, if there is no searching then totalFiltered = totalData
$json_data['recordsFiltered'] = intval($totalFiltered);
$json_data['data'] = $data;
// checking requests in console.log();
$json_data['last_query'] = $last_query;
$json_data['common_filter_value'] = $common_filter_value;
$json_data['specific_filters'] = $specific_filters;
$json_data['order_column'] = $order['column'];
$json_data['order_by'] = $order['by'];
$json_data['limit_length'] = $limit['length'];
$json_data['limit_start'] = $limit['start'];
echo json_encode($json_data);
}
答案 0 :(得分：1)
3天前得到解决方案。必须从Ajax请求中删除success（）{}。它会产生表格渲染的问题。要么必须使用数字索引传递数据，要么必须使用“正交数据方法”。这是：
腓：
public function getUsersByAjax()
{
$users = array();
$requestData = $_REQUEST;
//print_r($requestData);
$columns[0] = 'first_name';
$columns[1] = 'last_name';
$columns[2] = 'email';
$columns[3] = 'group';
$columns[4] = 'active';
$columns[5] = 'created_on';
$columns[6] = 'last_login';
$columns[7] = 'actions';
$common_filter_value = false;
$order_column = false;
$specific_filters = array();
$specific_filters = false;
if (!empty($requestData['columns'][0]['search']['value'])) {
$specific_filters['first_name'] = $requestData['columns'][0]['search']['value'];
}
if (!empty($requestData['columns'][1]['search']['value'])) {
$specific_filters['last_name'] = $requestData['columns'][1]['search']['value'];
}
if (!empty($requestData['columns'][2]['search']['value'])) {
$specific_filters['email'] = $requestData['columns'][2]['search']['value'];
}
if (!empty($requestData['columns'][3]['search']['value'])) {
$specific_filters['group'] = $requestData['columns'][3]['search']['value'];
}
if (!empty($requestData['columns'][4]['search']['value'])) {
$specific_filters['active'] = $requestData['columns'][4]['search']['value'];
}
if (!empty($requestData['search']['value'])) {
$common_filter_value = $requestData['search']['value'];
}
if ($specific_filters == true || !empty($specific_filters)) {
$common_filter_value = false; //either search with specific filters or with common filter
}
$order['column'] = $columns[$requestData['order'][0]['column']];
$order['by'] = $requestData['order'][0]['dir'];
$limit['start'] = $requestData['start'];
$limit['length'] = $requestData['length'];
$totalData = $this->Custom_auth_model->countUsers(false, false);
if ($common_filter_value == true || $specific_filters == true) {
$totalFiltered = $this->Custom_auth_model->countUsers($common_filter_value, $specific_filters);
} else {
$totalFiltered = $totalData; // when there is no search parameter then total number rows = total number filtered rows.
}
$users = $this->Custom_auth_model->getUsers($common_filter_value, $specific_filters, $order, $limit);
if ($users == false || empty($users) || $users == null) {
$users = false;
}
$last_query = $this->db->last_query();
if ($users) {
foreach ($users as $k => $user) {
$user_groups = $this->ion_auth->get_users_groups($user->id)->result();
$users[$k]->groups = '';
$iter = 0;
foreach ($user_groups as $a_group) {
if ($iter != 0) {
$users[$k]->groups .= '<br>';
}
$users[$k]->groups .= $a_group->name;
$iter++;
}
}
}
$this->load->library('custom_datetime_library');
if ($users) {
$i = 0;
foreach ($users as $a_user) {
/*date time starts*/
$users[$i]->cr_on = new stdClass();
$users[$i]->lt_lg_in = new stdClass();
$users[$i]->cr_on->timestamp = $a_user->created_on;
$users[$i]->lt_lg_in->timestamp = $a_user->last_login;
if ($a_user->created_on == 0) {
$users[$i]->cr_on->display = $this->lang->line('creation_time_unknown_text');
} else {
$users[$i]->cr_on->display =
$this->custom_datetime_library
->convert_and_return_TimestampToDateAndTime($a_user->created_on);
}
if ($a_user->last_login == 0) {
$users[$i]->lt_lg_in->display = $this->lang->line('never_logged_in_text');
} else {
$users[$i]->lt_lg_in->display =
$this->custom_datetime_library
->convert_and_return_TimestampToDateAndTime($a_user->last_login);
}
/*date time ends*/
/*active - inactive starts*/
$users[$i]->act = new stdClass();
$users[$i]->act->int = $a_user->active;
if ($a_user->active == 1) {
$status_span = '<span class = "label label-primary">' . $this->lang->line('status_active_text') . '</span>';
$status_tooltip = $this->lang->line('tooltip_deactivate_text');
$status_url = base_url() . 'users/auth/deactivateUser/' . $a_user->id;
$status_anchor_span = '<span class="label label-danger"><i class="fa fa-times" aria-hidden="true"></i></span>';
$status_anchor =
'<a ' . ' title="' . $status_tooltip . '"' . ' href="' . $status_url . '">' . $status_anchor_span . '</a>';
} else {
$status_span = '<span class = "label label-default">' . $this->lang->line('status_inactive_text') . '</span>';
$status_tooltip = $this->lang->line('tooltip_activate_text');
$status_url = base_url() . 'users/auth/activateUser/' . $a_user->id;
$status_anchor_span = '<span class="label label-success"><i class="fa fa-check" aria-hidden="true"></i></span>';
$status_anchor =
'<a ' . ' title="' . $this->lang->line('tooltip_activate_text') . '"' . ' href="' . $status_url . '">' . $status_anchor_span . '</a>';
}
$users[$i]->act->html = $status_span . ' ' . $status_anchor;
/*active - inactive ends*/
/*action starts*/
$view_tooltip = $this->lang->line('tooltip_view_text');
$view_url = base_url() . 'user_profile_module/user_profile_overview/' . $a_user->id;
$view_anchor =
'<a ' . ' title="' . $view_tooltip . '" ' . ' href="' . $view_url . '" ' . ' style="color:#2b2b2b" ' . '>'
. '<i class="fa fa-eye fa-lg" aria-hidden="true"></i>'
. '</a>';
$message_tooltip = $this->lang->line('tooltip_message_text');
$message_url = base_url() . 'message' . $a_user->id; //undefined
$message_anchor = '<a ' . ' title="' . $message_tooltip . '" ' . ' href="' . $message_url . '" ' . ' style="color:#2b2b2b" ' . '>'
. '<i class="fa fa-envelope-o fa-lg" aria-hidden="true"></i>'
. '</a>';
$edit_tooltip = $this->lang->line('tooltip_edit_text');
$edit_url = base_url() . 'users/auth/edit_user/' . $a_user->id;
$edit_anchor = '<a ' . ' title="' . $edit_tooltip . '" ' . ' href="' . $edit_url . '" ' . ' style="color:#2b2b2b" ' . '>'
. '<i class="fa fa-pencil-square-o fa-lg" aria-hidden="true"></i>'
. '</a>';
$delete_tooltip = $this->lang->line('tooltip_delete_text');
$delete_url = base_url() . 'users/auth/deleteUser/' . $a_user->id;
$delete_anchor = '<a ' . ' title="' . $delete_tooltip . '" ' . ' href="' . $delete_url . '" ' . ' class="confirmation" ' . ' style="color:#2b2b2b" ' . '>'
. '<i class="fa fa-trash-o fa-lg" aria-hidden="true">'
. '</a>';
$users[$i]->action = $view_anchor . ' ' . $edit_anchor . ' ' . $delete_anchor; //message is not defined yet
/*action ends*/
$i++;
}
}
$json_data['draw'] = intval($requestData['draw']);
/* $totalData: for every request/draw by clientside ,
they send a number as a parameter, when they recieve a response/data they first check the draw number,
so we are sending same number in draw.*/
$json_data['recordsTotal'] = intval($totalData); // total number of records after searching, if there is no searching then totalFiltered = totalData
$json_data['recordsFiltered'] = intval($totalFiltered);
//$users = $this->removeKeys($users); // converting to numeric indices.
$json_data['data'] = $users;
// checking requests in console.log() for testing starts;
$json_data['last_query'] = $last_query;
$json_data['common_filter_value'] = $common_filter_value;
$json_data['specific_filters'] = $specific_filters;
$json_data['order_column'] = $order['column'];
$json_data['order_by'] = $order['by'];
$json_data['limit_length'] = $limit['length'];
$json_data['limit_start'] = $limit['start'];
// checking requests in console.log() for testing ends;
echo(json_encode($json_data));
}
使用Javascript：
<script>
$(document).ready(function () {
var loading_image_src = '<?php echo base_url() ?>' + 'project_base_assets/base_demo_images/loading.gif';
var loading_image = '<img src="' + loading_image_src + ' ">';
var loading_span = '<span><i class="fa fa-refresh fa-spin fa-4x" aria-hidden="true"></i></span> ';
var loading_text = "<div style='font-size:larger' ><?php echo lang('loading_text')?></div>";
$('#user-table').DataTable({
processing: true,
serverSide: true,
paging: true,
pagingType: "full_numbers",
lengthChange: true,
searching: true,
ordering: true,
info: true,
autoWidth: true,
searchDelay: 500,
infoEmpty:'<?php echo lang("no_user_found_text")?>',
zeroRecords: '<?php echo lang("no_matching_user_found_text")?>',
language: {
processing: loading_image + '<br>' + loading_text
},
columns: [
{data: "first_name"},
{data: "last_name"},
{data: "email"},
{data: "groups"},
{
data: {
_: "act.html",
sort: "act.int"
}
},
{
data: {
_: "cr_on.display",
sort: "cr_on.timestamp"
}
},
{
data: {
_: "lt_lg_in.display",
sort: "lt_lg_in.timestamp"
}
},
{data: "action"}
],
columnDefs: [
{
'targets': 0,
'createdCell': function (td, cellData, rowData, row, col) {
$(td).attr('title', cellData);
}
},
{
'targets': 1,
'createdCell': function (td, cellData, rowData, row, col) {
$(td).attr('title', cellData);
}
},
{
'targets': 2,
'createdCell': function (td, cellData, rowData, row, col) {
$(td).attr('title', cellData);
}
},
{orderable: false, targets: [3, 7]} /*, { visible: false, targets: [3,5,6] }*/
],
aaSorting: [[5, 'desc']],
ajax: {
url: "<?php echo base_url() . 'users/auth/get_users_by_ajax' ?>", // json datasource
type: "post"
//open succes only for test purpuses . remember when success is uncommented datble doesn't diplay data
/*success: function (res) {
console.log(res.last_query);
console.log(res.common_filter_value);
console.log(res.specific_filters);
console.log(res.order_column);
console.log(res.order_by);
console.log(res.limit_start);
console.log(res.limit_length);
}*/
}
});
});