Login<form action="chuli.php"Method="Post"><div> User name: <input type="text"Name="UID"/></div><div> Password: <input type="Password"Name="pwd"/></div><div><input type="Submit"Value="Login"/></div></form>Login Processing<?Php$uid= $_post["UID"]; $pwd= $_post["pwd"];//Connecting Objects$db =NewMysqli ("localhost","Root","123","MyDB");//Write SQL statements//SQL injection Attacks$sql="Select password from login where username= ' {$uid} '";//Execute SQL statement$reslut = $dbquery ($sql); $n= $reslutFetch_row ();if($uid! =""&& $pwd! ="" ){ if($n [0]==$pwd) {Header ("location:main.php"); } Else{echo"The user name or password is wrong! "; }}Else{echo"User name password cannot be empty";} Data Display<body><table width="100%"Border="1"cellpadding="0"cellspacing="0"> <tr> <td> code </td> <td> name </td> <td> sex </td> < ;td> nationalities </td> <td> Birthdays </td> <td> actions </td> </tr> <?PHP//Connecting Objects$db =NewMysqli ("localhost","Root","123","MyDB"); //Write SQL statements$sql ="SELECT * FROM Info"; //Execute SQL statement$result = $dbquery ($sql); //Read Data$attr = $resultFetch_all (); foreach($attr as$v) {echo"<tr>"; $sex= $v [2]?"male":"female"; //Query name family name based on name Family Code$name = Nationname ($v [3]); Echo"<td>{$v [0]}</td><td>{$v [1]}</td><td>{$sex}</td><td>{$name}</ td><td>{$v [4]}</td><td><a href= ' shanchu.php?c={$v [0]} ' onclick=\ ' return confirm (' OK to delete? ') \ > Delete </a></td>"; /*foreach ($v as $v 1) {echo "<td>{$v 1}</td>"; }*/Echo"</tr>"; } //give a national code, return the name of the Nationfunction Nationname ($code) {//Connecting Objects$db =NewMysqli ("localhost","Root","123","MyDB"); //Write SQL statements$sql ="select name from Nation where code= ' {$code} '"; //Execute SQL statement$result = $dbquery ($sql); $attr= $resultFetch_row (); return$attr [0]; } ?> </table><a href="add.php"><input type="Button"Value="Add Data"/></a></body>Delete<?Php$code= $_get["C"];//Connecting Objects$db =NewMysqli ("localhost","Root","123","MyDB"); $sql="Delete from info where code= ' {$code} '"; $r= $dbquery ($sql);if($r) {header ("location:main.php");}Else{echo"Delete Failed";} Modify<form action="addchuli.php"Method="Post"> <div> Code: <input type="text"Name="Code"/></div> <div> Name: <input type="text"Name="name"/></div> <div>Gender:<input type="Radio"Name="Sex"Value="1" checked="checked"/>male <input type="Radio"Name="Sex"Value="0"/>female</div> <div>Ethnicity:<SelectName="Nation"> <?PHP//Connecting Objects$db =NewMysqli ("localhost","Root","123","MyDB"); $sql="SELECT * FROM Nation"; $result= $dbquery ($sql); $attr= $resultFetch_all (); foreach($attr as$v) {echo"<option value= ' {$v [0]} ' >{$v [1]}</option>"; } ?> </Select> </div> <div> Birthdays: <input type="text"Name="Birthday"/></div> <div><input type="Submit"Value="Add"/></div></form></body>Modify Processing<?Php$code= $_post["Code"]; $name= $_post["name"]; $sex= $_post["Sex"]; $nation= $_post["Nation"]; $birthday= $_post["Birthday"];//Connecting Objects$db =NewMysqli ("localhost","Root","123","MyDB"); $sql="INSERT into info values (' {$code} ', ' {$name} ', {$sex}, ' {$nation} ', ' {$birthday} ')"; $db-query ($sql); Header ("location:main.php");
PHP->masql Login and delete changes
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
