<body> <table class="table table-striped"> <caption>新闻表</caption> <thead> <tr> <th>id</th> <th>title</th> <th>author</th> <th>source</th> <th>date</th> <th>操作</th> </tr> </thead> <tbody> <?php $db= new MySQLi("localhost","root","123","newssystem"); $sql = "select * from news"; $result = $db->query($sql); if($result){ $arr = $result->fetch_all(); foreach($arr as $v){ //遍历二维数组 echo "<tr> <td>{$v[0]}</td> <td>{$v[1]}</td> <td>{$v[2]}</td> <td>{$v[3]}</td> <td>{$v[5]}</td> <td><a href='./delete.php?id={$v[0]}' onclick="return confirm('确认删除么?')"><button type='button' class='btn btn-default btn-sm'>删除</button></a> //传一个参数到执行页面
<a href='./xiugai.php?id={$v[0]}' ><button type='button' class='btn btn-default btn-sm'>修改</button></a> //传一个参数到修改页面
</td> </tr>"; } } ?> </tbody> </table> <div><a href="./tianjia.php">添加数据</a></div>//跳转到添加数据页面 </body>
删除动作:
<?php $id = $_GET["id"];//获取传过来的id值 $db = new MySQLi("localhost","root","123","newssystem"); $sql = "delete from news where newsid={$id}";//newsid数据类型为整数,不加单引号 $result = $db->query($sql); if($result){ header("location:main.php");//执行成功,跳转页面,注意加双引号。 }else{ echo "删除失败"; }
添加数据页面:
<form action="./add.php" method="post">//执行提交表单的页面,方法为post <div class="panel panel-default" style="max-500px"> <div class="panel-body"> <div class="input-group"> <span class="input-group-addon">标题:</span> <input type="text" class="form-control" placeholder="请输入新闻标题" name="title"> </div> <br /> <div class="input-group"> <span class="input-group-addon">作者:</span> <input type="text" class="form-control" placeholder="请输入作者"name="author"> </div> <br /> <div class="input-group"> <span class="input-group-addon">来源:</span> <input type="text" class="form-control" placeholder="请输入来源"name="source"> </div> <br /> <div class="input-group"> <span class="input-group-addon">内容:</span> <input type="text" class="form-control" placeholder="请输入内容"name="content"> </div> <br/> <input class="btn btn-default" type="submit" value="提交"> <a href="main.php">查看</a> //跳转到主页面 </div> </div> </form>
执行添加数据操作页面
$title = $_POST["title"];//获取post方法传过来的数据 $author = $_POST["author"]; $source = $_POST["source"]; $content = $_POST["content"]; $db = new MySQLi("localhost","root","123","newssystem"); $sql = "insert into news values(0,'{$title}','{$author}','{$source}','{$content}',now())"; $result = $db->query($sql); if($result){ header("location:tianjia.php"); }else{ echo "添加失败!"; }