主頁面——0126.php
代碼：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>無標題文檔</title> </head> <body> <h1>主頁面</h1> <div style="width:100%"> <?php //1.生成連接 造連接對象 //$db=new mysqli($dbhost（服務器）,$username,$userpass,$dbdatabase); $db = new mysqli("localhost","root","123","mydb"); //2.判斷是否連接成功 成功為空，失敗返回string（字符串）錯誤信息 if(mysqli_connect_error()) { echo "連接失敗"; //exit 退出整個程序 } else { //3.寫sql語句 $sql = "select * from Info"; //4.執行sql語句 $result=$db->query($sql); //5.處理數據（提取數據） echo "<table width=90% cellpadding='0' cellspacing='0' border='1'>"; echo "<tr><td>代號</td> <td>姓名</td> <td>性別</td> <td>民族</td> <td>生日</td> <td>操作</td></tr>"; //遍歷每一條數據 while($row=$result->fetch_row()) { //處理性別 $sex=(bool)$row[2]?"男":"女"; //處理民族 $nation=NationName($db,$row[3]);//調方法不加$ //處理生日 $birthday=date("Y年m月d日",strtotime($row[4])); echo "<tr bgcolor='#00CC33'><td>{$row[0]}</td> <td>{$row[1]}</td> <td>{$sex}</td> <td>{$nation}</td> <td>{$birthday}</td><td><a href='Delete.php?code=".$row[0]."'>刪除</a> <a href='xiugai.php?code=".$row[0]."'>修改</a></td></tr>"; } echo "</table>"; } //根據民族代號查詢民族名稱 function NationName($db,$code) { //3.寫sql語句 $sql = "select * from Nation where code='{$code}'"; //4.執行sql語句 $result=$db->query($sql); //處理數據 if($row=$result->fetch_row()) { return $row[1];//不加"" } else { return ""; } } ?> </div> <div><a href="ADD.php">添加數據</a> </div> </body> </html>
添加數據：
添加頁面——ADD.php
<body> <h1>添加頁面</h1> <form action="Insert.php" method="post"> <div><span>代號:</span><input type="text" name="code" /></div> <div><span>姓名:</span><input type="text" name="name"/></div> <div><span>性別:</span><input type="radio" name="sex" value="true" checked="checked"/>男 <input type="radio" name="sex" value="false"/>女</div> <div><span>民族:</span> <select name="nation"> <?php //1.連接數據庫 $db= new mysqli("localhost","root","123","mydb"); //2.判斷是否連接成功 if(mysqli_connect_error()) { echo "連接失敗"; } else { //3.寫sql語句 $sql="select * from nation"; //4.執行sql語句 $result=$db->query($sql); //5.處理數據，遍歷 while($row=$result->fetch_row()) { echo "<option value='{$row[0]}'>{$row[1]}</option>"; } } ?> </select> </div> <div><span>生日:</span><input type="text" name="birthday"/></div> <div><input type="submit" value="添加"/> <a href="0126.php">返回</a></div> </form> </body>
添加數據——處理頁面——insert.php
<?php $code = $_POST["code"]; $name = $_POST["name"]; $sex = $_POST["sex"]; $nation = $_POST["nation"]; $birthday = $_POST["birthday"]; //1.造連接對象 $db= new mysqli("localhost","root","123","mydb"); //2.判斷是否連接 if(mysqli_connect_error()) { echo "連接錯誤"; } else { //3.寫添加語句 $sql="insert into Info values('{$code}','{$name}',{$sex},'{$nation}','{$birthday}')"; //4.執行語句 $result=$db->query($sql); //5.判斷是否添加成功 if($result) { header("Location:ADD.php");//跳回頁面 } else { echo "添加失敗"; } } ?>
刪除數據處理頁面——delete.php
<?php $code = $_GET["code"]; //1.造連接對象 $db=new mysqli("localhost","root","123","mydb"); //2.判斷連接是否成功 if(mysqli_connect_error()) { echo "連接錯誤"; } else { //3.寫sql語句 $sql="delete from Info where code='".$code."'"; //4.執行sql語句 $result=$db->query($sql); //判斷是否刪除成功 if($result) { header("Location:0126.php"); } else { echo "刪除失敗!"; } } ?>
修改數據——修改頁面——xiugai.php
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>無標題文檔</title> </head> <body> <h1>修改頁面</h1> <?php $code = $_GET["code"]; //1.造連接對象 $db = new mysqli("localhost","root","123","mydb"); //2.判斷是否連接成功 if(mysqli_connect_error()) { echo "連接失敗"; } else { //3.寫sql語句 $sql="select * from Info where code='".$code."'"; //4.執行sql語句 $result=$db->query($sql); //5.處理數據 $row=$result->fetch_row(); } ?> <form action="update.php" method="post"> <div><span>代號：</span><input type="text" name="code" value="<?php echo $row[0]?>" readonly="readonly" /></div> <div><span>姓名：</span><input type="text" name="name" value="<?php echo $row[1]?>"</div> <div> <span>性別：</span> <input type="radio" name="sex" value="true" <?php echo (bool)$row[2]?"checked='checked'":""?> />男 <input type="radio" name="sex" value="false" <?php echo !(bool)$row[2]?"checked='checked'":""?> />女 </div> <div> <span>民族：</span> <select name="nation"> <?php //1.造連接對象 $db=new mysqli("localhost","root","123","mydb"); //2.判斷連接是否成功 if(mysqli_connect_error()) { echo "連接失敗"; } else { //3.寫sql語句 $sql="select * from nation"; //4.執行sql語句 $result=$db->query($sql); //5.處理數據 //遍歷數據 while($rownation=$result->fetch_row()) { if($rownation[0]==$row[3]) { echo "<option selected='selected' value='{$rownation[0]}'>{$rownation[1]}</option>"; } else { echo "<option value='{$rownation[0]}'>{$rownation[1]}</option>"; } } } ?> </select> </div> <div><span>生日：</span><input type="text" name="birthday" value="<?php echo $row[4] ?>"</div> <div><input type="submit" value="修改" /> <a href="0126.php">返回</a></div> </form> </body> </html>
修改數據——處理頁面——update.php
<?php $code=$_POST["code"]; $name=$_POST["name"]; $sex=$_POST["sex"]; $nation=$_POST["nation"]; $birthday=$_POST["birthday"]; //1.造連接對象 $db=new mysqli("localhost","root","123","mydb"); //2.判斷是否連接成功 if(mysqli_connect_error()) { echo "連接失敗"; } else { //3.寫語句 $sql="update info set name='".$name."',sex='".$sex."',nation='".$nation."',birthday='".$birthday."'where code='".$code."'"; //4.執行sql語句 $result = $db->query($sql); //判斷是否修改成功 if($result) { header("Location:0126.php"); } else { echo "修改失敗！"; } } ?>