标签:tac res fetch replace 显示 utf-8 result sql语句 org
页面1.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>无标题文档</title> </head> <body> <h1>信息</h1> <form action="1.php" method="post"> <div> 请输入姓名:<input type="text" name="name" /> <input type="submit" value="查询" /> </div> </form> <br /> <table width="100%" border="1" cellpadding="0" cellspacing="0"> <tr> <td>代号</td> <td>姓名</td> <td>电话</td> <td>分组</td> </tr> <?php //实现两个逻辑 //1.如果没有POST数据,查所有 //2.如果有POST数据,根据条件查 $db = new MySQLi("localhost","root","root","dbname"); /*if(POST传值) { SQL语句1 } else { SQL语句2 } */ $tj = " 1=1 "; //默认条件 $name = "";//外面要写一个默认值,若不写,当不走if时会没有值 if(!empty($_POST)) { $name = $_POST[‘name‘]; $tj = " Name like ‘%{$name}%‘ "; } //将条件拼接到SQL语句 $sql = "select * from contacts where {$tj}"; //echo $sql; $result = $db->query($sql); while($arr = $result->fetch_row()) { //关键字的特殊显示 $str = str_replace($name,"<mark>{$name}</mark>",$arr[1]); //查找替换 //substr_replace(); //指定位置替换 echo "<tr> <td>{$arr[0]}</td> <td>{$str}</td> <td>{$arr[2]}</td> <td>{$arr[3]}</td> </tr>"; } ?> </table> </body> </html>
标签:tac res fetch replace 显示 utf-8 result sql语句 org
原文地址:http://www.cnblogs.com/gaobint/p/6432236.html