• Thinkphp---练习:数据的增删改查


    利用ThinkPHP连接数据库的增删改查的例题:用到的数据库表名Info表,Nation表

    数据显示页面:MainController.class.php中的方法(增删改查全包括--function  ShowInfo,ShanChu,TianJia,XiuGai)

     1 <?php
     2 namespace HomeController;
     3 use ThinkController;
     4 class MainController extends Controller
     5 {    
     6 
     7     //例题:数据的增删改
     8     //显示所有数据:
     9     function ShowInfo()
    10     {
    11         $model=D("Info");
    12         $attr=$model->field("info.code as infocode,info.name as infoname,info.sex,nation.name as nationname,info.birthday")->join("nation on info.nation=nation.code")->select();
    13         $this->assign("shuju",$attr);
    14         $this->display();
    15         
    16     }
    17     //删除数据:
    18     function ShanChu($code)
    19     {
    20         $model=D("Info");
    21         $r=$model->delete($code);
    22         if($r)
    23         {
    24             $this->success("删除成功",U("ShowInfo"));
    25         }
    26         else
    27         {        
    28             $this->error("删除失败");
    29         }
    30         
    31     }
    32     //添加数据:
    33     function TianJia()
    34     {
    35         if(empty($_POST))
    36         {
    37             $model=D("Nation");
    38             $attr=$model->select();
    39             $this->assign("shuju",$attr);
    40             $this->display();
    41         }
    42         else
    43         {
    44             $model=D("Info");
    45             $model->create();//自动收集表单数据入库
    46             $model->Sex=$_POST["Sex"]=="男"?true:false;
    47             $r=$model->add();
    48             if($r)
    49             {
    50                 $this->success("添加成功!","Tianjia",3);
    51             }
    52             else
    53             {
    54                 $this->error("添加失败!","Tianjia",3);
    55             }
    56         }
    57     }
    58     //修改数据:
    59     function XiuGai($code)
    60     {
    61         $model=D("info");
    62         $modeln=D("nation");
    63         if(empty($_POST))
    64         {
    65             $attr=$model->find($code);
    66             $attrn=$modeln->select();
    67             
    68             $this->assign("shuju",$attr);
    69             $this->assign("shujun",$attrn);
    70             $this->display();
    71         }
    72         else
    73         {
    74             
    75             $model->create();
    76             $model->Sex=$_POST["Sex"]=="男"?true:false;
    77             $r=$model->save();
    78             if($r)
    79             {
    80                 $this->success("修改成功",U("Showinfo"));    
    81             }
    82             else
    83             {
    84                 $this->error("修改失败!");
    85             }
    86             
    87         }
    88     }
    89 }
    90      
    View Code

    模板的数据显示:ShowInfo.html

     1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
     2 <html xmlns="http://www.w3.org/1999/xhtml">
     3 <head>
     4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     5 <title>主页面</title>
     6 </head>
     7 
     8 <body>
     9 <h2>主页面</h2>
    10 <table width="70%" cellpadding="0" cellspacing="0" border="1">
    11 <tr>
    12 <td>代号</td>
    13 <td>姓名</td>
    14 <td>性别</td>
    15 <td>民族</td>
    16 <td>生日</td>
    17 <td>操作</td>
    18 </tr>
    19 
    20 <foreach name="shuju" item="v">
    21 <tr>
    22 <td><{$v.infocode}></td>
    23 <td><{$v.infoname}></td>
    24 <td><{$v["sex"]?"男":"女"}></td>
    25 <td><{$v.nationname}></td>
    26 <td><{$v.birthday}></td>
    27 <td><a href="__CONTROLLER__/XiuGai/code/<{$v.infocode}>">修改</a>&nbsp;&nbsp;<a href="__CONTROLLER__/ShanChu/code/<{$v.infocode}>">删除</a></td>
    28 </tr>
    29 </foreach>
    30 </table>
    31 <a href="__CONTROLLER__/TianJia">添加数据</a>
    32 </body>
    33 </html>
    View Code

    添加数据模板显示:Tianjia.html

     1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
     2 <html xmlns="http://www.w3.org/1999/xhtml">
     3 <head>
     4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     5 <title>添加数据</title>
     6 </head>
     7 
     8 <body>
     9 <h1>添加数据</h1>
    10 <form action="__ACTION__" method="post">
    11 <div>代号:<input type="text" name="Code" /></div>
    12 <div>姓名:<input type="text" name="Name" /></div>
    13 <div>性别:<input type="radio" name="Sex" value="男" />男&nbsp;&nbsp;
    14           <input type="radio" name="Sex" value="女" />15 </div>
    16 <div>民族:
    17 <select name="Nation">
    18 <foreach name="shuju" item="v">
    19 <option value="<{$v.code}>"><{$v.name}></option>
    20 </foreach>
    21 </select>
    22 </div>
    23 <div>生日:<input type="text" name="Birthday" /></div>
    24 <input type="submit" value="添加" />
    25 </form>
    26 <a href="__CONTROLLER__/ShowInfo">返回主页面</a>
    27 </body>
    28 </html>
    View Code

    修改模板数据显示:Xiugai.html

     1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
     2 <html xmlns="http://www.w3.org/1999/xhtml">
     3 <head>
     4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     5 <title>修改数据</title>
     6 </head>
     7 
     8 <body>
     9 <h1>修改数据</h1>
    10 <form action="__ACTION__/code/<{$shuju.code}>" method="post">
    11 <input type="hidden" name="Code" value="<{$shuju.code}>" />
    12 <div>姓名:<input type="text" name="Name" value="<{$shuju.name}>"/></div>
    13 <div>性别:<input type="radio" name="Sex" value="男" <{$shuju["sex"]?"checked='checked'":""}>/>男&nbsp;&nbsp;
    14           <input type="radio" name="Sex" value="女" <{$shuju["sex"]?"":"checked='checked'"}> />15 </div>
    16 <div>民族:
    17 <select name="Nation">
    18 <foreach name="shujun" item="v">
    19     <if condition="$shuju['nation']==$v['code']">
    20         <option selected="selected" value="<{$v.code}>"><{$v.name}></option>
    21      <else/>
    22          <option value="<{$v.code}>"><{$v.name}></option>
    23      </if>
    24 </foreach>
    25 </select>
    26 </div>
    27 <div>生日:<input type="text" name="Birthday" value="<{$shuju.birthday}>" /></div>
    28 <input type="submit" value="修改" />
    29 </form>
    30 <a href="__CONTROLLER__/ShowInfo">返回主页面</a>
    31 </body>
    32 </html>
    View Code

    运行显示:

    1.主页面:

    2.添加数据

    3.修改数据:

    4.删除数据:显示删除后的数据列表

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  • 原文地址:https://www.cnblogs.com/ds-3579/p/5599914.html
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