我怎么能知道的值或数组传递它的形式

我有这个问题，我不知道如何解决它。我有一个项目，与数据库交互，我使一个CRUD html表交互，这意味着我有15表在相对数据库，我要插入和删除和编辑记录，所以这是我的代码。我的问题是:我怎么能知道当我插入值这个值到这个表插入它到数据库中的同一表，我真的不知道。

这是我的控制器

<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');

类Main扩展CI_Controller {

function index($some) 
{
    $this->load->model('main_model');
    switch ($some) {
        case 'class':
            $data['fields'] = array(
                'ClassID' => 'class id',
                'ClassNum' => 'class name',
                'ClassSize' => 'class size',
                'Floor' => 'floor'
            );
            $data['tables'] = $this->main_model->getClass();
            break;
        case 'group':
            $data['fields'] = array(
                'GroupID' => 'id',
                'GroupNum' => 'group name',
                'SectionNum' => 'section',
                'YearNum' => 'year',
                'ProfNameAra' => 'proffetion name'
            );
            $data['tables'] = $this->main_model->getGroupSection();
            break;
        case 'hole':
            $data['fields'] = array(
                'HoleID' => 'id',
                'HoleNum' => 'hole name',
                'HoleSize' => 'hole size',
                'Floor' => 'floor'
            );
            $data['tables'] = $this->main_model->getHole();
            break;
        case 'lab':
            $data['fields'] = array(
                'LabID' => 'id',
                'LabName' => 'lab_name',
                'LabSize' => 'lab_size',
                'Floor' => 'floor'
            );
            $data['tables'] = $this->main_model->getLab();
            break;
        case 'lecture':
            $data['fields'] = array(
                'LectureID' => 'id',
                'SubjectAra' => 'subject name',
                'Is_Lecture' => 'yes/no',
                'YearNum' => 'year',
                'ProfNameAra' => 'proffission',
                'SubjectSemester' => 'semester'
            );
            $data['tables'] = $this->main_model->getLectureSubject();
            break;
        case 'prof':
            $data['fields'] = array(
                'ProfID' => 'id',
                'ProfNameAra' => 'prof name'
            );
            $data['tables'] = $this->main_model->getProf();
            break;
        case 'section':
            $data['fields'] = array(
                'SectionID' => 'id',
                'SectionNum' => 'section name',
                'YearNum' => 'year',
                'ProfNameAra' => 'proffission'
            );
            $data['tables'] = $this->main_model->getSection();
            break;
        case 'subgroup':
            $data['fields'] = array(
                'SubgroupID' => 'id',
                'SubgroupNum' => 'section name',
                'GroupNum' => 'group name',
                'SectionNum' => 'section name'
            );
            $data['tables'] = $this->main_model->getSubgroup();
            break;
        case 'subject':
            $data['fields'] = array(
                'SubjectID' => 'id',
                'SubjectAra' => 'subject name',
                'Is_Lecture' => ' yes/no',
                'YearNum' => 'year',
                'ProfNameAra' => 'proffission'
            );
            $data['tables'] = $this->main_model->getSubject();
            break;
        case 'teacher':
            $data['fields'] = array(
                'TeacherID' => 'id',
                'TeacherName' => 'teacher name'
            );
           $data['tables'] = $this->main_model->getTeacher();
            break;
        case 'timetable':
            $data['fields'] = array(
                'TimetableID' => 'id',
                'YearDate' => 'date',
                'Semester' => 'semester',
                'YearNum' => 'year',
                'ProfNameAra' => 'proffission',
                'SectionNum' => 'sectin name'
            );
            $data['tables'] = $this->main_model->getTimetable();
            break;
        case 'timetabledetail':
            $data['fields'] = array(
                'DetailID' => 'id',
                'Day' => 'day',
                'Period' => 'period',
                'YearDate' => 'year date',
                'Semester' => 'semester',
                'YearNum' => 'year',
                'ProfNameAra' => 'proffission',
                'SectionNum' => 'section name',
                'GroupNum' => 'group name',
                'SubgroupNum' => 'subgroup name',
                'LabName' => 'lab name',
                'HoleNum' => 'hole name',
                'ClassNum' => 'class name',
                'TeacherName' => 'teacher name',
                'SubjectAra' => 'subject name'
            );
            $data['tables'] = $this->main_model->getTimetabledetail();
            break;
        case 'year':
            $data['fields'] = array(
                'YearID' => 'id',
                'YearNum' => 'year'
            );
            $data['tables'] = $this->main_model->getYear();
            break;
        case 'year_prof':
            $data['fields'] = array(
                'YearNum' => 'year',
                'ProfNameAra' => 'proffission'
            );
            $data['tables'] = $this->main_model->getYearProf();
            break;
    }

    $data['main_content'] = 'main';
    $this->load->view('includes/template', $data);
  }
}

，这是我的观点:

<?php echo form_open('main') ?>
    <table id="dg" title="Andro-CH Table" class="easyui-datagrid" style="width:700px;height:250px"
        url="get_users.php"
        toolbar="#toolbar" pagination="true"
        rownumbers="true" fitColumns="true" singleSelect="true">
    <thead>
                <tr>
                <?php foreach ($fields as $field_name => $field_display): ?>
                    <th field="<?php echo $field_name?>" width="50"> <?php echo $field_display; ?> </th>
                <?php endforeach; ?>
                </tr>    
    </thead>
            <tbody>
                <?php foreach ($tables as $table): ?>
                <tr>
                    <?php foreach ($fields as $field_name => $field_display): ?>
                        <td>
                            <?php echo $table->$field_name; ?>
                        </td>
                    <?php endforeach; ?>    
                </tr>
        <?php endforeach; ?>
            </tbody>
</table>
<div id="toolbar">
    <a href="javascript:void(0)" class="easyui-linkbutton" iconCls="icon-add" plain="true" onclick="newUser()">New User</a>
    <a href="javascript:void(0)" class="easyui-linkbutton" iconCls="icon-edit" plain="true" onclick="editUser()">Edit User</a>
    <a href="javascript:void(0)" class="easyui-linkbutton" iconCls="icon-remove" plain="true" onclick="destroyUser()">Remove User</a>
</div>
<div id="dlg" class="easyui-dialog" style="width:400px;height:280px;padding:10px 20px" closed="true" buttons="#dlg-buttons">
    <div class="ftitle">Table Information</div>
                <div class="fitem">
                    <?php foreach ($fields as $field_name => $field_display): ?>
                        <?php echo form_label("$field_display:"); ?>
                        <?php echo form_input("$field_name", '', 'class="easyui-validatebox" required="true"'); ?>
                        <br>
                    <?php endforeach; ?>
                </div>
</div>
<div id="dlg-buttons">
    <a href="javascript:void(0)" class="easyui-linkbutton" iconCls="icon-ok" onclick="saveUser()">Save</a>
    <a href="javascript:void(0)" class="easyui-linkbutton" iconCls="icon-cancel" onclick="javascript:$('#dlg').dialog('close')">Cancel</a>
</div>
<script type="text/javascript">
    var url;
    function newUser(){
        $('#dlg').dialog('open').dialog('setTitle','New User');
        $('#fm').form('clear');
        url = 'save_user.php';
    }
    function editUser(){
        var row = $('#dg').datagrid('getSelected');
        if (row){
            $('#dlg').dialog('open').dialog('setTitle','Edit User');
            $('#fm').form('load',row);
            url = 'update_user.php?id='+row.id;
        }
    }
    function saveUser(){
        $('#fm').form('submit',{
            url: url,
            onSubmit: function(){
                return $(this).form('validate');
            },
            success: function(result){
                var result = eval('('+result+')');
                if (result.errorMsg){
                    $.messager.show({
                        title: 'Error',
                        msg: result.errorMsg
                    });
                } else {
                    $('#dlg').dialog('close');      // close the dialog
                    $('#dg').datagrid('reload');    // reload the user data
                }
            }
        });
    }
    function destroyUser(){
        var row = $('#dg').datagrid('getSelected');
        if (row){
            $.messager.confirm('Confirm','Are you sure you want to destroy this user?',function(r){
                if (r){
                    $.post('destroy_user.php',{id:row.id},function(result){
                        if (result.success){
                            $('#dg').datagrid('reload');    // reload the user data
                        } else {
                            $.messager.show({   // show error message
                                title: 'Error',
                                msg: result.errorMsg
                            });
                        }
                    },'json');
                }
            });
        }
    }
</script>
<style type="text/css">
    #fm{
        margin:0;
        padding:10px 30px;
    }
    .ftitle{
        font-size:14px;
        font-weight:bold;
        padding:5px 0;
        margin-bottom:10px;
        border-bottom:1px solid #ccc;
    }
    .fitem{
        margin-bottom:5px;
    }
    .fitem label{
        display:inline-block;
        width:80px;
    }
</style>

这是我的模型它还没有完成

<?php
class Main_model extends CI_Model {
function getClass() {
    $query = $this->db->select('*')
            ->from('class')
            ->get();
    return $query->result();
}
function getGroup() {
    $query = $this->db->select('*')
            ->from('group')
            ->get();
    return $query->result();
}
function getGroupSection() {
    $q = $this->db->select('group.GroupID, group.GroupNum, section.SectionNum,year.YearNum,prof.ProfNameAra')
            ->from('group')
            ->join('section', 'group.Section_id = section.SectionID')
            ->join('year', 'year.YearID = section.Year_id')
            ->join('prof', 'section.Prof_id =  prof.ProfID');
    return $q->get()->result();
}
function getHole() {
    $query = $this->db->select('*')
            ->from('hole')
            ->get();
    return $query->result();
}
function getLab() {
    $query = $this->db->select('*')
            ->from('lab')
            ->get();
    return $query->result();
}
function getLecture() {
    $query = $this->db->select()
            ->from('lecture')
            ->get();
    return $query->result();
}
function getLectureSubject() {
    $q = $this->db->select('lecture.LectureID, subject.SubjectAra, subject.Is_Lecture, year.YearNum, prof.ProfNameAra, subject.SubjectSemester')
            ->from('lecture')
            ->join('subject', 'lecture.Subject_id = subject.SubjectID')
            ->join('prof', 'prof.ProfID = subject.Prof_id')
            ->join('year','year.YearID = subject.Year_id');
    return $q->get()->result();
}
function getProf() {
    $query = $this->db->select('*')
            ->from('prof')
            ->get();
    return $query->result();
}
function getSection() {
    $query = $this->db->select('section.SectionID, section.SectionNum, year.YearNum, prof.ProfNameAra')
            ->from('section')
            ->join('year', 'section.Year_id = year.YearID')
            ->join('prof', 'section.Prof_id = prof.ProfID')
            ->get();
    return $query->result();
}
function getSubgroup() {
    $query = $this->db->select('subgroup.SubgroupID, subgroup.SubgroupNum, group.GroupNum, section.SectionNum')
            ->from('subgroup')
            ->join('group', 'subgroup.Group_id = group.GroupID')
            ->join('section', 'group.Section_id = section.SectionID')
            ->get();
    return $query->result();
}
function getSubject() {
    $query = $this->db->select('subject.SubjectID,subject.SubjectAra,subject.SubjectSemester,subject.Is_Lecture,
        year.YearNum,prof.ProfNameAra')
            ->from('subject')
            ->join('year', 'year.YearID = subject.Year_id')
            ->join('prof', 'prof.ProfID = subject.Prof_id')
            ->get();
    return $query->result();
}
function getTeacher() {
    $query = $this->db->select('*')
            ->from('teacher')
            ->get();
    return $query->result();
}
function getTimetableDetail() {
    $query = $this->db->select('DetailID,Day,Period,
        timetable.TimetableID,timetable.YearDate,timetable.Semester,
        year.YearNum,
        prof.ProfNameAra,
        section.SectionNum,
        group.GroupNum,
        subgroup.SubgroupNum,
        lab.LabName,
        hole.HoleNum,
        class.ClassNum,
        teacher.TeacherName,
        subject.SubjectAra')
            ->from('timetabledetail')
            ->join('timetable','Timetable_id = TimetableID')
            ->join('year', 'timetable.Year_id = year.YearID')
            ->join('prof', 'prof.ProfID = timetable.Prof_id')
            ->join('section', 'section.SectionID = timetable.Section_id')
            ->join('group', 'GroupID = Group_id')
            ->join('subgroup','SubgroupID = Subgroup_id')
            ->join('lab','LabID = Lab_id')
            ->join('hole', 'HoleID =Hole_id')
            ->join('class','ClassID = Class_id')
            ->join('teacher','TeacherID = Teacher_id')
            ->join('subject','SubjectID = Subject_id')
            ->get();
    return $query->result();
}
function getTimetable() {
    $query = $this->db->select('timetable.TimetableID,timetable.YearDate,timetable.Semester,
        year.YearNum,
        prof.ProfNameAra,
        section.SectionNum')
            ->from('timetable')
            ->join('year', 'timetable.Year_id = year.YearID')
            ->join('prof', 'prof.ProfID = timetable.Prof_id')
            ->join('section', 'section.SectionID = timetable.Section_id')
            ->get();
    return $query->result();
}
function getYear() {
    $query = $this->db->select('*')
            ->from('year')
            ->get();
    return $query->result();
}
function getYearProf()
{
    $q = $this->db->select('year.YearNum, prof.ProfNameAra')
            ->from('year_prof')
            ->join('year', 'year_prof.Year_id = year.YearID')
            ->join('prof', 'year_prof.Prof_id = prof.ProfID')
            ->get();
    return $q->result();
  }
}