Android程序员学PHP开发(28)-简单博客系统-PhpStorm

简单博客系统，发布，编辑，删除，数据库的练习~暂时不考虑安全性，先看GIF动图：

看一下数据库截图：

好了，看代码：

conn.php：

<?php
    /**
     * mysql_query — 发送一条 MySQL 查询
     */

    /**
     * 连接数据库（返回资源）
     */
    @mysql_connect("127.0.0.1:3306","root","") or die("mysql数据库连接失败");

    /**
     * 选择一个数据库作为默认的数据库使用
     */
    @mysql_select_db("blog")or die("db连接失败");

index.php：

<a href="index.php"><B>index</B></a>
<a href="add.php"><B>add blog</B></a>
<br><br>
<form action="" method="get" style='align:"right"'>
    <input type="text" name="keys" >
    <input type="submit" name="subs" >
</form>
<hr>

<?php
    include("conn.php"); //引入连接数据库

    $sql = "select id,hits,title,date,contents from simpleblog";

    $result = mysql_query($sql); // 只要放一个正确的sql就可以执行

    while (list($id, $hits, $title, $date, $contents) = mysql_fetch_row($result)){ // 遍历表内容
        echo "id = {$id}<br>";
        echo "hits = {$hits}<br>";
        echo "title = {$title}<br>";

        ?>titleLink: <a href="view.php?id=<?php echo $id; ?>"><?php echo $title."<br>"; ?></a><?php

        echo "date = {$date}<br>";
        echo "contents = {$contents}<br>";
        echo "contents = ".iconv_substr($contents,0,15)."...<br>"; // iconv_substr — 截取字符串的部分

        ?>edit: <a href="edit.php?id=<?php echo $id; ?>">edit</a><?php echo "<br>";
        ?>delete: <a href="del.php?id=<?php echo $id; ?>">delete</a><?php echo "<br>";
        echo "--------------------------------------------------<br>";
    }

add.php：

<a href="index.php"><B>index</B></a>
<a href="add.php"><B>add blog</B></a>
<hr>

<?php
    include("conn.php"); //引入连接数据库

    if (!empty($_POST['sub'])) {
        $title = $_POST['title'];  //获取title表单内容
        $con = $_POST['con'];      //获取contents表单内容
        $sql= "insert into simpleblog values(null,'0','$title',now(),'$con')";
        mysql_query($sql);
        echo "insert success!";

    }
?>

<form action="add.php" method="post">
    title   :<br>
    <input type="text" name="title"><br><br>
    contents:<br>
    <textarea rows="5" cols="50" name="con"></textarea><br><br>
    <input type="submit"  name="sub" value="submit">
</form>

view.php：

<a href="index.php"><B>index</B></a>
<a href="add.php"><B>add blog</B></a>
<hr>

<?php

    include("conn.php"); //引入连接数据库

    $id = $_GET['id'];

    $sql = "select id,hits,title,date,contents from simpleblog where id='$id'";

    $result = mysql_query($sql); // 只要放一个正确的sql就可以执行

    while (list($id, $hits, $title, $date, $contents) = mysql_fetch_row($result)) { // 遍历表内容
        echo "id = {$id}<br>";
        echo "hits = {$hits}<br>";
        echo "title = {$title}<br>";

        ?>titleLink: <a href="view.php?id=<?php echo $id; ?>"><?php echo $title."<br>"; ?></a><?php

        echo "date = {$date}<br>";
        echo "contents = {$contents}<br>";
        echo "contents = ".iconv_substr($contents,0,15)."...<br>"; // iconv_substr — 截取字符串的部分

        ?>edit: <a href="edit.php?id=<?php echo $id; ?>">edit</a><?php echo "<br>";
        ?>delete: <a href="del.php?id=<?php echo $id; ?>">delete</a><?php echo "<br>";
    }

<a href="index.php"><B>index</B></a>
<a href="add.php"><B>add blog</B></a>
<hr>

<?php
    include("conn.php"); //引入连接数据库

    //获取数据库表数据
    if (!empty($_GET['id'])) {
        $edit = $_GET['id'];
        $sql = "select * from simpleblog where id='$edit'";
        $query = mysql_query($sql);
        $rs = mysql_fetch_array($query);
    }

    //更新数据库表数据
    if (!empty($_POST['sub'])) {
        $title = $_POST['title'];  //获取title表单内容
        $con = $_POST['con'];      //获取contents表单内容
        $hid = $_POST['hid'];
        $sql= "update simpleblog set title='$title', contents='$con' where id='$hid' ";
        mysql_query($sql);
        echo "<script>alert('update success.');location.href='index.php'</script>";

    }
?>

<form action="edit.php" method="post">
    <input type="hidden" name="hid" value="<?php echo $rs['id'];?>">
    title   :<br>
    <input type="text" name="title" value="<?php echo $rs['title'];?>">
    <br><br>
    contents:<br>
    <textarea rows="5" cols="50" name="con" ><?php echo $rs['contents'];?></textarea><br><br>
    <input type="submit"  name="sub" value="submit">
</form>

<a href="index.php"><B>index</B></a>
<a href="add.php"><B>add blog</B></a>
<hr>

<?php
    include("conn.php"); //引入连接数据库

    if (!empty($_GET['id'])) {
        $del = $_GET['id'];  //删除blog
        $sql= "delete from simpleblog where id='$del' ";
        mysql_query($sql);
        echo "delete success!";
    }
?>

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