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CI框架(CodeIgniter)實(shí)現(xiàn)的數(shù)據(jù)庫(kù)增刪改查操作總結(jié)

2024-05-05 00:03:50
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本文實(shí)例講述了CI框架(CodeIgniter)實(shí)現(xiàn)的數(shù)據(jù)庫(kù)增刪改查操作。分享給大家供大家參考,具體如下:

controllers下的 cquery.php文件

<?phpclass CQuery extends Controller {  //構(gòu)造函數(shù)  function CQuery() {    parent::Controller();//   $this->load->database();  }  function index() {    //調(diào)用model 其中train為外層文件夾  MQuery為model名稱(chēng) queryList為重命名    $this->load->model('train/MQuery','queryList');    //獲得返回的結(jié)果集  這里確定調(diào)用model中的哪個(gè)方法    $result = $this->queryList->queryList();    //將結(jié)果集賦給res    $this->smarty->assign('res',$result);    //跳轉(zhuǎn)到顯示頁(yè)面    $this->smarty->view('train/vquery.tpl');  }  //進(jìn)入新增頁(yè)面  function addPage() {    $this->smarty->view('train/addPage.tpl');  }  //新增  function add() {    //獲得前臺(tái)數(shù)據(jù)    //用戶(hù)名    $memberName = $this->input->post('memberName');    //密碼    $password = $this->input->post('password');    //真實(shí)姓名    $userRealName = $this->input->post('userRealName');    //性別    $sex = $this->input->post('sex');    //出生日期    $bornDay = $this->input->post('bornDay');    //e_mail    $eMail = $this->input->post('eMail');    //密碼問(wèn)題    $question = $this->input->post('question');    //密碼答案    $answer = $this->input->post('answer');    //調(diào)用model    $this->load->model('train/MQuery','addRecord');    //向model中的addRecord傳值    $result = $this->addRecord->addRecord($memberName,$password,$userRealName,$sex,$bornDay,$eMail,$question,$answer);    //判斷返回的結(jié)果,如果返回true,則調(diào)用本頁(yè)的index方法,不要寫(xiě) $result == false 因?yàn)榉祷氐闹滴幢厥莊alse 也有可能是""    if ($result) {      $this->index();    } else {      echo "add failed.";    }  }  //刪除  function deletePage() {    //獲得ID    $deleteID = $this->uri->segment(4);    //調(diào)用model    $this->load->model('train/MQuery','delRecord');    //將值傳入到model的delRecord方法中    $result = $this->delRecord->delRecord($deleteID);    //判斷返回值    if ($result) {      $this->index();    } else {      echo "delect failed.";    }  }  //修改先查詢(xún)  function changePage() {    $changeID = $this->uri->segment(4);    $this->load->model('train/MQuery','changeRecord');    $result = $this->changeRecord->changeRecord($changeID);    //將結(jié)果集賦給res    $this->smarty->assign('res',$result);    //跳轉(zhuǎn)到顯示頁(yè)面    $this->smarty->view('train/changePage.tpl');  }  //修改  function change() {    //獲得前臺(tái)數(shù)據(jù)    //ID    $ID = $this->input->post('id');    //用戶(hù)名    $memberName = $this->input->post('memberName');    //密碼    $password = $this->input->post('password');    //真實(shí)姓名    $userRealName = $this->input->post('userRealName');    //性別    $sex = $this->input->post('sex');    //出生日期    $bornDay = $this->input->post('bornDay');    //e_mail    $eMail = $this->input->post('eMail');    //密碼問(wèn)題    $question = $this->input->post('question');    //密碼答案    $answer = $this->input->post('answer');    //調(diào)用model    $this->load->model('train/MQuery','change');    //向model中的change傳值    $result = $this->change->change($ID,$memberName,$password,$userRealName,$sex,$bornDay,$eMail,$question,$answer);    //判斷返回的結(jié)果,如果返回true,則調(diào)用本頁(yè)的index方法,不要寫(xiě) $result == false 因?yàn)榉祷氐闹滴幢厥莊alse 也有可能是""    if ($result) {      $this->index();    } else {      echo "change failed.";    }  }}

models中的 mquery.php 文件

<?phpclass MQuery extends Model {  //構(gòu)造函數(shù)  function MQuery() {    parent::Model();    //連接數(shù)據(jù)庫(kù)    $this->load->database();  }  //查詢(xún)列表  function queryList() {    //防止select出的數(shù)據(jù)存在亂碼問(wèn)題    //mysql_query("SET NAMES GBK");    //SQL語(yǔ)句    $sql = "SELECT ID,member_name,sex,e_mail FROM user_info_t";    //執(zhí)行SQL    $rs = $this->db->query($sql);    //將查詢(xún)結(jié)果放入到結(jié)果集中    $result = $rs->result();    //關(guān)閉數(shù)據(jù)庫(kù)    $this->db->close();    //將結(jié)果集返回    return $result;  }  //新增  function addRecord($memberName,$password,$userRealName,$sex,$bornDay,$eMail,$question,$answer) {    //防止select出的數(shù)據(jù)存在亂碼問(wèn)題    //mysql_query("SET NAMES GBK");    //SQL語(yǔ)句    $sql = "INSERT INTO user_info_t (member_name,password,user_real_name,sex,born_day,e_mail,question,answer) " .        "VALUES ('$memberName','$password','$userRealName','$sex','$bornDay','$eMail','$question','$answer')";    //執(zhí)行SQL    $result = $this->db->query($sql);    //關(guān)閉數(shù)據(jù)庫(kù)    $this->db->close();    //返回值    return $result;  }  //刪除  function delRecord($deleteID) {    //防止select出的數(shù)據(jù)存在亂碼問(wèn)題    //mysql_query("SET NAMES GBK");    $sql = "DELETE FROM user_info_t WHERE ID = $deleteID";    $result = $this->db->query($sql);    $this->db->close();    return $result;  }  //修改前查詢(xún)  function changeRecord($changeID) {    //防止select出的數(shù)據(jù)存在亂碼問(wèn)題    //mysql_query("SET NAMES GBK");    $sql = "SELECT ID,member_name,password,user_real_name,sex,born_day,e_mail,question,answer FROM user_info_t WHERE ID = $changeID";    //執(zhí)行SQL    $rs = $this->db->query($sql);    $result = $rs->row();//$result = $rs[0]    //關(guān)閉數(shù)據(jù)庫(kù)    $this->db->close();    //將結(jié)果集返回    return $result;  }  //修改  function change($ID,$memberName,$password,$userRealName,$sex,$bornDay,$eMail,$question,$answer) {    //防止select出的數(shù)據(jù)存在亂碼問(wèn)題    //mysql_query("SET NAMES GBK");    //SQL語(yǔ)句    $sql = "update user_info_t set member_name = '$memberName',password = '$password', user_real_name = '$userRealName'," .        "sex = '$sex',born_day = '$bornDay',e_mail = '$eMail',question = '$question',answer = '$answer'" .        "where ID = $ID";    //執(zhí)行SQL    $result = $this->db->query($sql);    //關(guān)閉數(shù)據(jù)庫(kù)    $this->db->close();    //返回值    return $result;  }}

views 下的 addPage.tpl文件

<html>  <head>  </head>  <body><form action="{{site_url url='train/cquery/add'}}" method="post">    <table border='1'>      <tr>        <td>用戶(hù)名</td>        <td><input type="text" class="text" name="memberName" id="memberName"/></td>      </tr>      <tr>        <td>密碼</td>        <td><input type="text" class="text" name="password" id="password"/></td>      </tr>      <tr>        <td>真實(shí)姓名</td>        <td><input type="text" class="text" name="userRealName" id="userRealName"/></td>      </tr>      <tr>        <td>性別</td>        <td><input type="text" class="text" name="sex" id="sex"/></td>      </tr>      <tr>        <td>出生日期</td>        <td><input type="text" class="text" name="bornDay" id="bornDay"/></td>      </tr>      <tr>        <td>e_mail</td>        <td><input type="text" class="text" name="eMail" id="eMail"/></td>      </tr>      <tr>        <td>密碼問(wèn)題</td>        <td><input type="text" class="text" name="question" id="question"/></td>      </tr>      <tr>        <td>密碼答案</td>        <td><input type="text" class="text" name="answer" id="answer"/></td>      </tr>    </table>    <table>      <tr>        <td><input type="submit" class="button" name="OK" value="提交" />        </td>      </tr>    </table></form>  </body></html>

changePage.tpl 文件

<html>  <head>  </head>  <body><form action="{{site_url url='train/cquery/change'}}" method="post">    <table border='1'><input type="hidden" name="id" value="{{$res->ID}}" />      <tr>        <td>用戶(hù)名</td>        <td><input type="text" class="text" name="memberName" id="memberName" value="{{$res->member_name}}" /></td>      </tr>      <tr>        <td>密碼</td>        <td><input type="text" class="text" name="password" id="password" value="{{$res->password}}" /></td>      </tr>      <tr>        <td>真實(shí)姓名</td>        <td><input type="text" class="text" name="userRealName" id="userRealName" value="{{$res->user_real_name}}"/></td>      </tr>      <tr>        <td>性別</td>        <td><input type="text" class="text" name="sex" id="sex" value="{{$res->sex}}"/></td>      </tr>      <tr>        <td>出生日期</td>        <td><input type="text" class="text" name="bornDay" id="bornDay" value="{{$res->born_day}}"/></td>      </tr>      <tr>        <td>e_mail</td>        <td><input type="text" class="text" name="eMail" id="eMail" value="{{$res->e_mail}}"/></td>      </tr>      <tr>        <td>密碼問(wèn)題</td>        <td><input type="text" class="text" name="question" id="question" value="{{$res->question}}"/></td>      </tr>      <tr>        <td>密碼答案</td>        <td><input type="text" class="text" name="answer" id="answer" value="{{$res->answer}}"/></td>      </tr>    </table>    <table>      <tr>        <td><input type="submit" class="button" name="OK" value="提交" />        </td>      </tr>    </table></form>  </body></html>

vquery.tpl 文件

<html>  <head>    <title></title>  </head>  <body>    <table border='1'>      <tr>        <td>用戶(hù)名</td>        <td>性別</td>        <td>e_mail</td>        <td>操作</td>      </tr>      {{foreach from=$res item=row}}      <tr>        <input type="hidden" value={{$row->ID}}>        <td>{{$row->member_name}}</td>        <td>{{$row->sex}}</td>        <td>{{$row->e_mail}}</td>        <td><a href="{{site_url url='train/cquery/deletePage'}}/{{$row->ID}}" rel="external nofollow" >刪除</a><a href="{{site_url url='train/cquery/changePage'}}/{{$row->ID}}" rel="external nofollow" >修改</a></td>      </tr>      {{/foreach}}    </table>    <a href="{{site_url url='train/cquery/addPage'}}" rel="external nofollow" rel="external nofollow" mce_href="{{site_url url='train/cquery/addPage'}}" rel="external nofollow" rel="external nofollow" >add</a>  </body></html>

希望本文所述對(duì)大家基于CodeIgniter框架的PHP程序設(shè)計(jì)有所幫助。


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