2016/3/30 ①投票checkbox ②进度条两个div套起百分比控制内div（width） <div><div></div></div> ③数据库test2 表 diaoyan... 35岁发展方向投票

分两个页面，要点：提交form 相连action method 两个页面可以合成一个页面action传到自身页面但分开较清晰

第一个页面vote.php

  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>投票</title>
  6 <style type="text/css">
  7 * 
  8 {
  9     margin:0px auto;
 10     padding:0px;
 11     }
 12 h3
 13 {
 14     margin:10px;
 15     }    
 16 .diyiceng
 17 {
 18     height:220px;
 19     200px;
 20     background-color:#FFF;
 21     position:absolute;
 22     visibility:visible;
 23     left:10px;
 24     top:40px;
 25     }
 26 .dierceng
 27 {
 28     height:220px;
 29     800px;
 30     background-color:#FFF;
 31     position:absolute;
 32     visibility:hidden;
 33     left:0px;
 34     top:0px;
 35     }
 36 .xuanxiang
 37 {
 38     position:absolute;
 39     }
 40 .jindu
 41 {
 42     200px;
 43     height:10px;
 44     position:absolute;
 45     left:100px;
 46     border:solid #999 1px;
 47     }
 48 .jindutiao
 49 {
 50     
 51     height:8px;
 52     position:absolute;
 53     background-color:#0F0;
 54     border:solid 1px #00FF00;
 55     }
 56 .shuzi
 57 {
 58     position:absolute;
 59     left:320px;
 60     }
 61 .baifenbi
 62 {
 63     position:absolute;
 64     left:350px;
 65     }            
 66 </style>
 67 </head>
 68 
 69 <body>
 70 
 71 <h3>35岁发展方向</h3>
 72 
 73 <div class="diyiceng" id="diyiceng">
 74 <form action="votechuli.php" method="post">
 75 <?php
 76 
 77     $db=new mysqli("localhost","root","123","test2");
 78     !mysqli_connect_error()or die("连接错误");
 79         
 80      
 81         $sql="select * from DiaoYanXuanXiang";
 82         $resulttp=$db->query($sql);
 83         
 84         while($row = $resulttp->fetch_row())
 85         {   //print_r($row);
 86             echo "<div><input type='checkbox' name='test[]' value='".$row[0]."'/>".$row[1]."</div><br />";
 87         }
 88         
 89     
 90 
 91 ?>
 92 
 93 
 94 <input type="submit" name="submit" value="提交" />&nbsp;&nbsp;
 95 <input type="button" name="chakan" value="查看结果" onclick="xianshi()"/>
 96 </form>
 97 <?php
 98 $db=new mysqli("localhost","root","123","test2");
 99 !mysqli_connect_error()or die("连接错误");
100 
101     $sql="select * from DiaoYanXuanXiang";
102     $result=$db->query($sql);
103     
104 echo "<div class='dierceng' id='yincang'>";
105 echo "<form>";
106 
107     $sqlsum = "select SUM(numbers) from DiaoYanXuanXiang";
108     $resultsum = $db->query($sqlsum);
109     $aa = $resultsum->fetch_row();
110     $zongshu = $aa[0];
111 
112     while($rowjg = $result->fetch_row())
113     {
114         $xuanxiang = $rowjg[1];
115         $shuliang = $rowjg[2];
116         $baifenbi = $shuliang/$zongshu*100;
117         $baifenbi1=round($baifenbi,1);//对小数取一位
118         
119         echo "<div><div class='xuanxiang'>".$xuanxiang."</div>
120         <div class='jindu'><div class='jindutiao' style='".$baifenbi."%'></div></div>
121         <div class='shuzi'>".$shuliang."</div>
122         <div class='baifenbi'>".$baifenbi1."%</div></div><br /><br />";
123     }
124 
125 echo "<input type='button' name='fanhui' value='返回' onclick='buxianshi()' />";
126 echo "</form>";
127 echo "</div></div>";
128     
129 
130 ?>
131 </body>
132 </html>
133 <script>
134 function xianshi()
135 {
136    var a=document.getElementById("yincang");
137    if(a.style.visibility="hidden")
138    {
139        a.style.visibility="visible";
140    }
141   
142 }
143 function buxianshi()
144 {
145    var a=document.getElementById("yincang");
146    if(a.style.visibility="visible")
147    {
148        a.style.visibility="hidden";
149    }
150   
151 }
152  
153 </script>

View Code

效果图：

第二个页面

votechuli.php

 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>无标题文档</title>
 6 </head>
 7 
 8 <body>
 9 <?php
10 $test=$_POST["test"];
11 
12     
13 //1.造连接对象
14 $db=new mysqli("localhost","root","123","test2");
15 //2.判断是否连接成功
16 !mysqli_connect_error()or die("连接失败");
17 
18         for($i=0;$i<count($test);$i++)
19       {
20         $sql="update DiaoYanXuanXiang set numbers=numbers+1 where ids='".$test[$i]."'";
21         
22         $result=$db->query($sql);//为什么query后要加（$sql,0）1代表增删改 变化的一面  0代表 查询 不变的一面
23         
24       }
25        
26     
27         //判断是否修改成功
28         if($result)
29         {
30             header("Location:vote.php");
31             }
32             else
33             {
34                 echo "修改失败！";
35                 }
36         
37         
38 
39 ?>
40 </body>
41 </html>

View Code

效果图：