Thinkphp---练习：数据的增删改查

Posted 2020-07-27 陌上薰初

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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 Home\\Controller;
 3 use Think\\Controller;
 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" />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" <{$shuju["sex"]?"":"checked=\'checked\'"}> />女
15 </div>
16 <div>民族：
17 <select name="Nation">
18 <foreach name="shujun" item="v">
19     <if condition="$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>