我试图在项目上执行一些PHP代码，但代码没有运行。
当我运行一个php文件时，php代码显示在网页上方并且php代码没有执行。
有人对正在发生的事情提出建议吗？
我无法解决此问题..提交按钮无效。请帮助我解决此问题。
StuForm.css
*
{
padding: 0;
margin: 0;
border: 0;
}
body, html {
color: #373C40;
font-family: Verdana,Arial, Helvetica, sans-serif;
height: 100%;
background-color: #f0f0f0;
margin:10px;
}
body {
font-size: 70%;
}
p {
padding: 7px 0 7px 0;
font-weight: 500;
font-size: 10pt;
}
h1 {
font-weight:200;
color: #888888;
font-size:16pt;
background: transparent url(img/h1.png) no-repeat center left;
padding-left:33px;
margin:7px 5px 8px 8px;
}
h4 {
padding:1px;
color: #ACACAC;
font-size:11pt;
font-weight:100;
text-transform:unset;
}
form.profile{
width:900px;
margin: 20px auto 20px auto;
height:1600px;
background-color:#fff;
padding:5px;
-moz-border-radius:20px;
-webkit-border-radius:20px;
}
form p{
font-size: 8pt;
clear:both;
margin: 0;
color:gray;
padding:4px;
}
form.profile fieldset.row1
{
width:450px;
padding:5px;
height:250px;
float:left;
border-top:1px solid #F5F5F5;
border-right:1px solid #F1F1F1;
margin-bottom:15px;
margin-bottom:15px;
}
form.profile fieldset.row1 label{
width:100px;
float: left;
text-align: left;
margin-right: 6px;
margin-top:2px;
}
form.profile fieldset.row3 label,
form.profile fieldset.row4 label
{
width:160px;
float: left;
text-align: center;
margin-right: 6px;
margin-top:2px;
}
form.profile fieldset.row2
{
border-top:1px solid #F1F1F1;
height:250px;
width:400px;
padding:5px;
float:left;
margin-bottom:15px;
}
form.profile fieldset.row3
{
border-top:1px solid #F1F1F1;
padding:5px;
float:left;
margin-bottom:15px;
width:870px;
}
form.profile fieldset.row4
{
border-top:1px solid #F1F1F1;
padding:5px;
float:left;
width:870px;
}
form.profile fieldset.row5
{
border-top:1px solid #F1F1F1;
padding:5px;
float:left;
width:870px;
}
form.profiler table
{
align:center;
}
form.profile legend
{
color: #abda0f;
padding:2px;
margin-left: 14px;
font-weight:bold;
font-size: 16px;
font-weight:100;
}
form.profile label{
color:#444;
width:120px;
float: left;
text-align: left;
margin-right: 6px;
margin-top:2px;
}
form.profile input{
width: 140px;
color: #505050;
float: left;
margin-right: 5px;
}
form.profile input.long{
width: 247px;
color: #505050;
}
form.profile input.course{
width: 270px;
color: #505050;
}
form.profile input.subject{
width: 200px;
color: #505050;
}
form.profile input.short{
width: 40px;
color: #505050;
}
form.profile input[type=radio]
{
float:left;
width:15px;
}
form.profile input[type=image]
{
width:200px;
height: 200px;
}
form.profile label.gender{
margin-top:-1px;
margin-bottom:2px;
width:34px;
float:left;
text-align:left;
line-height:19px;
}
form.profile input[type=text],
form.profile input[type=date]
{
border: 1px solid #E1E1E1;
height: 18px;
}
form.profile textarea.extra{
width: 247px;
color: #505050;
height: 100px;
border-color: 1px solid #E1E1E1;
}
.button
{
background: #abda0f url(img/overlay.png) repeat-x;
padding: 8px 10px 8px;
color: #fff;
text-decoration: none;
-moz-border-radius: 5px;
-webkit-border-radius: 5px;
-moz-box-shadow: 0 1px 3px rgba(0,0,0,0.5);
-webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.5);
text-shadow: 0 -1px 1px rgba(0,0,0,0.25);
cursor: pointer;
float:left;
font-size:18px;
margin:10px;
}
form.profile input[type=text].year
{
border: 1px solid #E1E1E1;
height: 18px;
width:30px;
}
form.profile select
{
border: 1px solid #E1E1E1;
width: 130px;
float:left;
margin-bottom:3px;
color: #505050;
margin-right:5px;
}
form.profile select.result
{
width: 40px;
}
input:focus, select:focus{
background-color: #efffe0;
}
**StuForm.php**<? php
$connection = new mysqli("localhost", "root", "","student_information");
if ($connection->connect_error) {
die("Connection failed: " . $connection->connect_error);
}
$sql = "INSERT INTO course_details (Student_ID,Admitted_Date,Academic_Year,Course,Profile_Picture)
VALUES ('$student_id','$admitted_date','$academic_year','$course','$profile_picture');";
$sql .= "INSERT INTO personal_details (First_Name,Middle_Name,Last_Name,DOB,Gender,NIC,Nationality,Religion,Race)
VALUES ('$first_name','$middle_name','$last_name','$dob','$gender','$nic','$nationality','$religion','$race');";
$sql .= "INSERT INTO contact_details (P_Add_Line1,P_Add_Line2,P_Add_Line3,City,Email,T_Add_Line1,T_Add_Line2,T_Add_Line3,stu_con_home,Stu_Con_Mobile1,Stu_Con_Mobile2,P_Con_Home,P_Con_Mobile1,P_Con_Mobile2)
VALUES ('$p_add_line1','$p_add_line2','$p_add_line3','$city','$email','$t_add_line1','$t_add_line2','$t_add_line3','$stu_con_home','$stu_con_mobile1','$stu_con_mobile2','$p_con_home','$p_con_mobile1','$p_con_mobile2');";
$sql .= "INSERT INTO academic_details (O_Admi_No,O_Year,O_Subject1,O_Grade1,O_Subject2,O_Grade2,O_Subject3,O_Grade3,O_Subject4,O_Grade4,O_Subject5,O_Grade5,O_Subject6,O_Grade6,O_Subject7,O_Grade7,O_Subject8,O_Grade8,O_Subject9,O_Grade9,A_Admi_No,A_Year,A_Subject1,A_Grade1,A_Subject2,A_Grade2,A_Subject3,A_Grade3,A_Subject4,A_Grade4,Z_Score)
VALUES ('$o_admi_no','$o_year','$o_subject1','$o_grade1','$o_subject2','$o_grade2','$o_subject3','$o_grade3','$o_subject4','$o_grade4','$o_subject5','$o_grade5','$o_subject6','$o_grade6','$o_subject7','$o_grade7','$o_subject8','$o_grade8','$o_subject9','$o_grade9','$a_admi_no','$a_year','$a_subject1','$a_grade1','$a_subject2','$a_grade2','$a_subject3','$a_grade3','$a_subject4','$a_grade4','$z_score');";
$sql .= "INSERT INTO extra_curricular_activities (School_Level,Zonal_Level,District_Level,Provincial_Level,National_Level,International_Level,Current_Activities)
VALUES ('$school_level','$zonal_level','$district_level','$provincial_level','$national_level','$international_level','$current_activities')";
if ($connection->multi_query($sql) === TRUE) {
echo "Submitted Successfully";
} else {
echo "Error: " .$sql."<br>". $connection->error;
}
$connection->close();
?>
<!DOCTYPE html>
<html >
<head>
<title>Student Information Form</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<link rel="stylesheet" type="text/css" href="StuForm.css"/>
</head>
<body>
<form method="post" action="StuForm.php" class="profile">
<h1>Create Profile</h1>
<fieldset class="row1">
<legend>Course Details</legend>
<table >
<tr >
<td rowspan="3">
<input type="image" />
</td>
<td>
<p>
<label>Student ID *</label>
<input type="text" value="IM/20xx/xxx" />
</p>
</td>
</tr>
<tr>
<td>
<p>
<label>Admitted Date *</label>
<input type="date" />
</p>
</td>
</tr>
<tr>
<td>
<p>
<label>Academic Year*</label>
<input type="text" />
</p>
</td>
</tr>
<tr>
<td colspan="2">
<p>
<label>Course*</label>
<input type = "text" name = "Course" value="Bsc.in Management Information Technology" class="course"/>
</p>
</td>
</tr>
</table>
</fieldset>
<fieldset class="row2">
<legend>Personal Details</legend>
<p>
<label>First Name *</label>
<input type="text" class="long"/>
</p>
<p>
<label>Middle Name *</label>
<input type="text" class="long"/>
</p>
<p>
<label>Last Name *</label>
<input type="text" class="long"/>
</p>
<p>
<label>Date of Birth *</label>
<input type="date" />
</p>
<p>
<label>Gender *</label>
<input type="radio" name= "male " value="radio"/>
<label class="gender">Male</label>
<input type="radio" name= "female " value="radio"/>
<label class="gender">Female</label>
</p>
<p>
<label>NIC Number *</label>
<input type="text" maxlength="10"/>
</p>
<p>
<label>Nationality *</label>
<select>
<option></option>
<option value="1">Sri Lankan</option>
</select>
</p>
<p>
<label >Religion</label>
<select>
<option value=""></option>
<option value="Buddism">Buddism</option>
<option value="Hindu">Hindu</option>
<option value="Islam">Islam</option>
<option value="Christian">Christian</option>
<option value="Other">Other</option>
</select>
</p>
<p>
<label >Race</label>
<select>
<option value=""></option>
<option value="Sinhala">Sinhala</option>
<option value="Tamil">Hindu</option>
<option value="Muslim">Muslim</option>
<option value="Burger">Burger</option>
<option value="Other">Other</option>
</select>
</p>
</fieldset>
<fieldset class="row3">
<legend>Contact Details</legend>
<table >
<tr>
<th><h4> Permanent Address</h4></th>
<th><h4> Temporary Address</h4></th>
</tr>
<tr>
<td>
<p>
<label>Address Line 1 </label>
<input type="text" class="long"/>
</p>
</td>
<td>
<p>
<label>Address Line 1 </label>
<input type="text" class="long"/>
</p>
</td>
</tr>
<tr>
<td>
<p>
<label>Address Line 2</label>
<input type="text" class="long"/>
</p>
</td>
<td>
<p>
<label>Address Line 2</label>
<input type="text" class="long"/>
</p>
</td>
</tr>
<tr>
<td>
<p>
<label>Address Line 3</label>
<input type="text" class="long"/>
</p>
</td>
<td>
<p>
<label>Address Line 3</label>
<input type="text" class="long"/>
</p>
</td>
</tr>
<tr>
<td colspan="2">
<p>
<label >City</label>
<input type = "text" class="long" />
</p>
</td>
</tr>
<tr>
<td colspan="2">
<p>
<label >Email Address</label>
<input type = "text" class="long" value="abc@gmail.com" />
</p>
</td>
</tr>
<tr>
<th><h4>Student's Contact Number</h4></th>
<th><h4>Parent's Contact Number</h4></th>
</tr>
<tr>
<td>
<p>
<label >Home</label>
<input type = "text" maxlength="10" />
</p>
</td>
<td>
<p>
<label >Home</label>
<input type = "text" maxlength="10" />
</p>
</td>
</tr>
<tr>
<td>
<p>
<label >Mobile 1</label>
<input type = "text" maxlength="10" />
</p>
</td>
<td>
<p>
<label >Mobile 1</label>
<input type = "text" maxlength="10" />
</p>
</td>
</tr>
<tr>
<td>
<p>
<label >Mobile 2</label>
<input type = "text" maxlength="10" />
</p>
</td>
<td>
<p>
<label >Mobile 2</label>
<input type = "text" maxlength="10" />
</p>
</td>
</tr>
</table>
</fieldset>
<fieldset class="row4">
<legend>Academic Details</legend>
<table >
<tr>
<th><h4>O/L Results</h4></th>
<th><h4>A/L Results</h4></th>
</tr>
<tr>
<td>
<p>
<input type = "text" name = "Admition Number" placeholder = "Admition Number"/>
<input type = "text" name = "Year" placeholder = "Year" />
</p>
</td>
<td>
<p>
<input type = "text" name = "Admition Number" placeholder = "Admition Number"/>
<input type = "text" name = "Year" placeholder = "Year" />
</p>
</td>
</tr>
<tr>
<td>
<p>
<label >Subject 1</label>
<input type = "text" name = "Mathematics" value="Mathematics" class="subject"/>
<select class="result">
<option value=""></option>
<option value="A">A</option>
<option value="B">B</option>
<option value="C">C</option>
<option value="S">S</option>
<option value="F">F</option>
</select>
</p>
</td>
<td>
<p>
<label >Subject 1</label>
<input type = "text" name = "Subject 1" class="subject" />
<select class="result">
<option value=""></option>
<option value="A">A</option>
<option value="B">B</option>
<option value="C">C</option>
<option value="S">S</option>
<option value="F">F</option>
</select>
</p>
</td>
</tr>
<tr>
<td>
<p>
<label >Subject 2</label>
<input type = "text" name = "Science" value="Science" class="subject"/>
<select class="result">
<option value=""></option>
<option value="A">A</option>
<option value="B">B</option>
<option value="C">C</option>
<option value="S">S</option>
<option value="F">F</option>
</select>
</p>
</td>
<td>
<p>
<label >Subject 2</label>
<input type = "text" name = "Subject 2" class="subject" />
<select class="result">
<option value=""></option>
<option value="A">A</option>
<option value="B">B</option>
<option value="C">C</option>
<option value="S">S</option>
<option value="F">F</option>
</select>
</p>
</td>
</tr>
<tr>
<td>
<p>
<label >Subject 3</label>
<input type = "text" name = "Sinhala" value="Sinhala" class="subject"/>
<select class="result">
<option value=""></option>
<option value="A">A</option>
<option value="B">B</option>
<option value="C">C</option>
<option value="S">S</option>
<option value="F">F</option>
</select>
</p>
</td>
<td>
<p>
<label >Subject 3</label>
<input type = "text" name = "Subject 3" class="subject" />
<select class="result">
<option value=""></option>
<option value="A">A</option>
<option value="B">B</option>
<option value="C">C</option>
<option value="S">S</option>
<option value="F">F</option>
</select>
</p>
</td>
</tr>
<tr>
<td>
<p>
<label >Subject 4</label>
<input type = "text" name = "English" value="English" class="subject"/>
<select class="result">
<option value=""></option>
<option value="A">A</option>
<option value="B">B</option>
<option value="C">C</option>
<option value="S">S</option>
<option value="F">F</option>
</select>
</p>
</td>
<td>
<p>
<label >Subject 4</label>
<input type = "text" name = "General English" value="General English" class="subject"/>
<select class="result">
<option value=""></option>
<option value="A">A</option>
<option value="B">B</option>
<option value="C">C</option>
<option value="S">S</option>
<option value="F">F</option>
</select>
</p>
</td>
</tr>
<tr>
<td>
<p>
<label >Subject 5</label>
<input type = "text" name = "Religion" value="Religion" class="subject"/>
<select class="result">
<option value=""></option>
<option value="A">A</option>
<option value="B">B</option>
<option value="C">C</option>
<option value="S">S</option>
<option value="F">F</option>
</select>
</p>
</td>
<td>
<p>
<label >Z-Score</label>
<input type = "text" name = "Z-Score" />
</p>
</td>
</tr>
<tr>
<td colspan="2">
<p>
<label >Subject 6</label>
<input type = "text" name = "History" value="History" class="subject"/>
<select class="result">
<option value=""></option>
<option value="A">A</option>
<option value="B">B</option>
<option value="C">C</option>
<option value="S">S</option>
<option value="F">F</option>
</select>
</p>
</td>
</tr>
<tr>
<td colspan="2">
<p>
<label >Subject 7</label>
<input type = "text" name = "Group Subject 1" placeholder = "Group Subject 1" class="subject" />
<select class="result">
<option value=""></option>
<option value="A">A</option>
<option value="B">B</option>
<option value="C">C</option>
<option value="S">S</option>
<option value="F">F</option>
</select>
</p>
</td>
</tr>
<tr>
<td colspan="2">
<p>
<label >Subject 8</label>
<input type = "text" name = "Group Subject 2" placeholder = "Group Subject 2" class="subject" />
<select class="result">
<option value=""></option>
<option value="A">A</option>
<option value="B">B</option>
<option value="C">C</option>
<option value="S">S</option>
<option value="F">F</option>
</select>
</p>
</td>
</tr>
<tr>
<td colspan="2">
<p>
<label >Subject 9</label>
<input type = "text" name = "Group Subject 3" placeholder = "Group Subject 3" class="subject"/>
<select class="result">
<option value=""></option>
<option value="A">A</option>
<option value="B">B</option>
<option value="C">C</option>
<option value="S">S</option>
<option value="F">F</option>
</select>
</p>
</td>
</tr>
</table>
</fieldset>
</fieldset>
<fieldset class="row5">
<legend>Extra Curricular Activities</legend>
<table >
<tr>
<th colspan="2"><h4>Extra Curricular Activities</h4></th>
</tr>
<tr>
<td>
<p>
<label for="School Level">School Level:</label>
<textarea name="School Level" placeholder="School Level" class="extra"></textarea>
</p>
</td>
<td>
<p>
<label for="Zonal Level">Zonal Level:</label>
<textarea name="Zonal Level" placeholder="Zonal Level" class="extra"></textarea>
</p>
</td>
</tr>
<tr>
<td>
<p>
<label for="Provincial Level">Provincial Level:</label>
<textarea name="Provincial Level" placeholder="Provincial Level" class="extra"></textarea>
</p>
</td>
<td>
<p>
<label for="National Level">National Level:</label>
<textarea name="National Level" placeholder="National Level" class="extra"></textarea>
</p>
</td>
</tr>
<tr>
<td colspan="2">
<p>
<label for="International Level">International Level:</label>
<textarea name="International Level" placeholder="International Level" class="extra"></textarea>
</p>
</td>
</tr>
<tr>
<td colspan="2">
<p>
<h4>Current Activities</h4>
<textarea name="Current Activities" placeholder="Current Activities" class="extra"></textarea>
</p>
</td>
</tr>
</table>
</fieldset>
<div><button class="button">Submit »</button></div>
</form>
</body>
</html>