PHP全栈学习笔记19

2019-07-03 10:24:14 浏览数 (1)
thinkphp框架是一个免费的，开源，快速，简单的面向对象的轻量级PHP开发框架。

了解什么是thinkphp概述，thinkphp项目目录结构，thinkphp的控制器，视图，thinkphp项目构建流程，thinkphp配置，thinkphp的模型，熟悉内置模板引擎。

thinkphp框架的特点，是一个功能丰富的轻量级的PHP开发框架，让web应用开发更简单，，更快速。

特性： 类库导入，url模式，编译机制，查询语言，视图模型，分组模块，模板引擎，ajax支持，缓存机制。

thinkphp可以支持windows/unix服务器环境，可运行于包含apache,iis在内的多种web服务。下载thinkPHP：

ThinkPHP的目录结构 自动生成目录 项目目录部署方案 命名规范 项目构建流程

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自动生成目录

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项目目录部署方案

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项目构建流程

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ThinkPHP的配置 配置格式 调试配置

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ThinkPHP的控制器

控制器 跨模块调用

1、模型的命名 2、实例化模型 3、属性访问 4、连接数据库 5、创建数据 6、连贯操作 7、CURD操作

代码语言：javascript复制
<?php
$db = array (
        'server' => 'localhost',
        'port' => '3306',
        'username' => 'root',
        'password' => 'dada',
        'database' => 'dada' 
);


$conn = @mysql_connect($db['server'].':'.$db['port'],$db['username'],$db['password']);
if (! $conn) {
    echo "服务器不能连！" . mysql_error();
} else {
    // 声明字符集
    mysql_set_charset('utf8', $conn);
    // 选择数据库
    mysql_select_db($db['database'], $conn);
}
代码语言：javascript复制
<?php
if (! isset ( $_SESSION )) {
    session_start ();
}
if (! isset ( $_SESSION ['userName'] )) {
    header ( "location:login.php" );
}
$userName = $_SESSION ['userName'];

// 访问数据库，查询学生表指定学号的学生
require_once 'dbconfig.php';
if (! isset ( $_REQUEST ['id'] )) {
    header ( "location:index.php" );
}
$id = $_REQUEST ['id'];
$sql = "select * from student where id = $id";
// exit($sql);
$result = mysql_query ( $sql );
$row = mysql_fetch_array ( $result )?>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>学生信息</title>
</head>
<body>
    <div align='right'>用户名：<?=$userName?>   <a href='loginout.php'>退出登录</a></a>
    </div>
    <div align='center'>
        <hr />
        <h1>学生信息</h1>
        <form action='editdo.php' method='post'>
            <input type='hidden' name='id' value='<?=$row ['id']?>'/>
            <table width=300>
                <tr>
                    <td align='center'>学号</td>
                    <td><input type='text' name='studentId'
                        value='<?=$row ['studentId']?>' /></td>
                </tr>
                <tr>
                    <td align='center'>姓名</td>
                    <td><input type='text' name='name' value='<?=$row ['name']?>' /></td>
                </tr>
                <tr>
                    <td align='center'>班级</td>
                    <td><input type='text' name='className'
                        value='<?=$row ['className']?>' /></td>
                </tr>
                <tr>
                    <td align='center'>生日</td>
                    <td><input type='text' name='birthday'
                        value='<?=$row ['birthday']?>' /></td>
                </tr>
                <tr>
                    <td align='center'>性别</td>
                    <td>
                    <input type='radio' name='sex' value='男' <?=$row ['sex']=='男'?'checked':''?>>男 </input>
                    <input type='radio' name='sex' value='女' <?=$row ['sex']=='女'?'checked':''?>>女</input>
                    </td>
                </tr>
                <tr>
                    <td align='center'>民族</td>
                    <td><input type='text' name='nation' value='<?=$row ['nation']?>' /></td>
                </tr>
                <tr>
                    <td colspan=2 align='center'><input type='submit' value='确认修改' /></td>
                </tr>
            </table>
        </form>
    </div>
</body>
</html>
代码语言：javascript复制
<?php
require_once 'dbconfig.php';
header ( "content-type:text/html;charset=utf-8" );

// 取表单数据
$id = $_REQUEST ['id'];
$studentId = $_REQUEST ['studentId'];
$name = $_REQUEST ['name'];
$className = $_REQUEST ['className'];
$birthday = $_REQUEST ['birthday'];
$sex = $_REQUEST ['sex'];
$nation = $_REQUEST ['nation'];

// sql语句中字符串数据类型都要加引号，数字字段随便
$sql = "update student set studentId ='$studentId',name = '$name',className = '$className',birthday = '$birthday',sex ='$sex',nation='$nation' where id = $id";
if (mysql_query ( $sql )) {
    echo "修改成功！！！<br/>";
    echo "<a href='index.php'>回到主页</a>";
} else {
    echo "修改失败！！！<br/>";
    echo "<a href='index.php'>系统错误</a>";
}
代码语言：javascript复制
<?php
if (! isset ( $_SESSION )) {
    session_start ();
}
if (! isset ( $_SESSION ['userName'] )) {
    header ( "location:login.php" );
}
$userName = $_SESSION ['userName'];
// 访问数据库，查询学生表
require_once 'dbconfig.php';
$sql = "select * from student";
$result = mysql_query ( $sql );
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>学生信息</title>
</head>
<body>
    <div align='right'>用户名：<?=$userName?>   <a href='loginout.php'>退出登录</a></a>
    </div>
    <hr />
    <h1>学生信息</h1>
    <table border=1>
        <tr>
            <th>学号</td>
            <th>姓名</td>
            <th>班级</td>
            <th>生日</td>
            <th>性别</td>
            <th>民族</td>
            <th>操作</th>
        </tr>
<?php
while ( $row = mysql_fetch_array ( $result ) ) {
    echo "<tr>";
    echo "<td>" . $row ['studentId'] . "</td>";
    echo "<td>" . $row ['name'] . "</td>";
    echo "<td>" . $row ['className'] . "</td>";
    echo "<td>" . $row ['birthday'] . "</td>";
    echo "<td>" . $row ['sex'] . "</td>";
    echo "<td>" . $row ['nation'] . "</td>";
    echo "<td>" ."<a href="edit.php?id='". $row ['id'] ."'">编辑</a></td>";
    echo "</tr>";
}
?>
</table>

</body>
</html>
代码语言：javascript复制
<html>  
<head>  
<title>Login</title>  
<meta http-equiv="Content-Type"  content= "text/html; charset=utf-8" >  
</head>  
  
<body>  
<h1>1606登录</h1>
<form name="form1"  method= "post"  action= "logindo.php" >  
  <table width="300"  border= "0"  align= "center"  cellpadding= "2"  cellspacing= "2" >  
    <tr>  
      <td width="150" ><div align= "right" >用户名：</div></td>  
      <td width="150" ><input type= "text"  name= username ></td>  
    </tr>  
    <tr>  
      <td><div align="right" >密码：</div></td>  
      <td><input type="password"  name= "passcode" ></td>  
    </tr>  
    
  </table>  
  <p align="center" >  
    <input type="submit"  name= "Submit"  value= "登录" >  
    <input type="reset"  name= "Reset"  value= "重置" > 
    <a href='register.php'>注册</a>
  </p>  
</form>  
</body>  
</html>
代码语言：javascript复制
<?php
header ( "content-type:text/html;charset=utf-8" );
if (! isset ( $_SESSION )) {
    session_start ();
}
if (isset ( $_SESSION ['userName'] )) {
    header ( "location:index.php" );
} elseif (! isset ( $_REQUEST ['username'] )) {
    header ( "location:login.php" );
} else {
    $username = $_POST ['username'];
    $passcode = $_POST ['passcode'];
    
    //计算摘要
    $password2 = sha1 ( $passcode );
    
    require_once 'dbconfig.php';
    // 根据用户名和密码去查询帐号表
    $sql = "select * from user where username= '$username' and password='$password2'";
    $result = mysql_query ( $sql, $conn );
    if ($row = mysql_fetch_array ( $result )) {
        $_SESSION ['userName'] = $username;
        header ( "location:index.php" );
    } else {
        echo "<script>alert('用户名或密码错误!');</script>";
        echo "用户名或密码错误！<br/>";
        echo "<a href='login.php'>重新登陆</a>";
    }
}
?>
代码语言：javascript复制
<?php
if(!isset($_SESSION)){
    session_start();
}
session_destroy();
header("location:login.php");
代码语言：javascript复制
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
    <h1 align='center'>欢迎注册</h1>
    <hr>
    <form action="registerdo.php" method='post'>
        <label>用户名：</label><input type='text' name='username' /> <label>密码：</label><input
            type='text' name='password' /> <input type='submit' name='hh'
            value='提交' />
    </form>
</body>
</html>
代码语言：javascript复制
<?php
require_once 'dbconfig.php';
header("content-type:text/html;charset=utf-8");
//取表单数据
$username = $_REQUEST['username'];
$password = $_REQUEST['password'];
$password2 = sha1($password);

//sql语句中字符串数据类型都要加引号，数字字段随便
$sql = "INSERT INTO user(id, username, password, status) VALUES (null,'$username','$password2',1)";
//exit($sql);

if(mysql_query($sql)){
    echo "注册成功！！！<br/>";
    echo "<a href='login.php'>去登录</a>";
}else{
    echo "注册失败！！！<br/>";
    echo "<a href='register.php'>重注册</a>";
}

结言

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