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1 the First Step2<! DOCTYPE HTML Public"-//W3C//DTD XHTML 1.0 transitional//en" "HTTP://WWW.W3.ORG/TR/XHTML1/DTD/XHTML1-TRANSITIONAL.DTD">3"http://www.w3.org/1999/xhtml">45<meta http-equiv="Content-type"Content="text/html; Charset=utf-8"/>6<title> Untitled Document </title>78 9<body>Ten one<table width="100%"Border="1"cellpadding="0"cellpadding="0"> a<tr> -<td> Code </td> -<td> name </td> the<td> Price </td> -<td> Origin </td> -<td> Inventory </td> -<td> Delete </td> +</tr> - +<?PHP a //1. Making linked objects at$db =NewMysqli ("localhost","Root","511108","text"); - //2. Write SQL statements -$sql ="Select*from Fruit"; - //3. Implementation -$result = $dbQuery ($sql); - //4. Read Data (there are two Methods) in //1. Methods - /*$attr = $result->fetch_all (); to foreach ($attr as $v) + { - echo "<tr><td>{$v [0]}</td><td>{$v [1]}</td><td>{$v [2]}</TD><TD >{$v [3]}</td><td>{$v [4]}</td></tr> "; the * }*/ $ //2. MethodsPanax Notoginseng while($attr = $resultFetch_row ()) - { theEcho"<tr><td>{$attr [0]}</td><td>{$attr [1]}</td><td>{$attr [2]}</td> <td>{$attr [3]}</td><td>{$attr [4]}</td><td> +<a href='shanchu.php?code={$attr [0]}'Onclick=\"return confirm (' OK delete ') \ ' > Delete a</a> the +<a href='xiugai.php?code={$attr [0]}'> Modify </a>//plus a tag to modify the data in the Table. - $</td></tr>"; $ - } - the -?>Wuyi</table> the -<a href="tianjiashuiguo.php"> Add Data </a> wu -</body> about<script type="Text/javascript"></script> $Donkey label that modified a tag underneath the
Here are the modifications
Step Two1 <! DOCTYPE html public"-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" > 2 Hidden"name=" IDs "/></div><!--code is not changed, hidden has hidden effects-->12 <div> name: <input type=" text "name=" name "/ ></div>13 <div> price: <input type= "text" name= "prices"/></div>14 <div> origin: <input type = "text" name= "source"/></div>15 <div> stock: <input type= "text" name= "numbers"/></div>16 < Div><input type= "submit" value= "modify"/></div>17 </form>18 </body>21Hidden Effect Code Box hidden
Modify the Fruit form page as follows
1 <! DOCTYPE html public"-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" > 2 PHP11$code=$_get["code"];//take the Cade primary key Value. To query the data12//Create linked Objects13$db=NewMysqli ("localhost", "root", "511108", "text");14//Write SQL statements15$sql= "select * from fruit where ids= ' {$code}‘";//based on the primary key search fruit table IDs primary key code query content16//Execution17$result=$db->query ($sql);18//Fetch Data19$attr=$result->fetch_row ();//according to the primary key value to find out only one data, know that only one data can be directly adjusted $result->fetch_row () it will return an array of the first data, one-dimensional array. 20//the next step is to show $attr this data in the current page after the primary key code IDs with value embedded <?php code, output echo $attr [0] is the code name>24 <form action= "xiugaichuli.php" method= "post" >25 <input type= "hidden" name= "ids" value= "<? PHP Echo$attr[0]?> "/><!--code name does not allow the user to change, hidden-->26 <div>: <input type=" text "name=" name "value=" <?php Echo$attr[1]?> "/></div>27 <div> prices: <input type=" text "name=" price "value=" <?php Echo$attr[2]?> "/></div>28 <div> origin: <input type=" text "name=" source "value=" <?php Echo$attr[3]?> "/></div>29 <div> stock: <input type=" text "name=" numbers "value=" <?php Echo$attr[4]?> "/></div>30 <div><input type=" Submit "value=" Modify "/></div>31 </form>32 </ Body>33 add value after each code name= "<?php echo $attr[0]?> The default values in each text box are as followsClick Edit Process Page
Step Three
1Click Edit Process Page2 <?PHP3$ids=$_post["ids"]; 4$name=$_post["name"]; 5$price=$_post["price"]; 6$source=$_post["source"]; 7$numbers=$_post["numbers"]; 8//Create linked Objects9$db=NewMysqli ("localhost", "root", "511108", "text");10//Write SQL statement below is a modified statement11//price price={$price} is an integer without single quotation marks. Stock numbers={$numbers} is also an integer that does not require single quotes. Modify the primary key passed over where ids= ' {$ids} '12$sql= "update Fruit Set name= ' {$name} ', price={$price},source= ' {$source} ', numbers={$numbers} where ids= ' {$ids}‘";13//Execution14$r=$db->query ($sql);15if($r)16 {17Header("location:pingguoxinxi.php");//Skip to Main page18 }19Else20 {21stEcho"the modification failed!" "; 22 Run as 1, Figure 2Figure 1Figure 2PHP Background Add delete modify Jump page
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