PHP表单数据写入MySQL代码，php表单写入mysql_PHP教程

PHP表单数据写入MySQL代码，php表单写入mysql

<h1>插入操作</h1>  
<?<span>php  
    </span><span>if</span>(!<span>isset</span>(<span>$_POST</span>['submit'<span>])){  
        </span><span>//</span><span>如果没有表单提交，显示一个表单  </span>
?>  
    <form action="" method="post"><span>  
    国家：</span><input type="text" name="country" /><span>  
    动物名称（英文）：</span><input type="text" name="animal" /><span>  
    动物名称（中文）：</span><input type="text" name="cname" />  
    <input type="submit" name="submit" value="提交表单" />  
    </form>  
<?<span>php  
    }  
    </span><span>else</span><span>  
    {  
        </span><span>//</span><span>如果提交了表单  
        //数据库连接参数  </span>
        <span>$host</span> = "localhost"<span>;  
        </span><span>$user</span> = "root"<span>;  
        </span><span>$pass</span> = "zq19890319"<span>;  
        </span><span>$db</span> = "phpdev"<span>;  
         
        </span><span>//</span><span> 何问起 hovertree.com
        //取得表单中的值，检查表单中的值是否符合标准，并做适当转义，防止SQL注入  </span>
        <span>$country</span> = <span>empty</span>(<span>$_POST</span>['country'])? <span>die</span>("请输入国家名称"):  
        <span>mysql_escape_string</span>(<span>$_POST</span>['country'<span>]);  
        </span><span>$animal</span> = <span>empty</span>(<span>$_POST</span>['animal'])? <span>die</span>("请输入英文名"):  
        <span>mysql_escape_string</span>(<span>$_POST</span>['animal'<span>]);  
        </span><span>$cname</span> = <span>empty</span>(<span>$_POST</span>['cname'])? <span>die</span>("请输入中文名"):  
        <span>mysql_escape_string</span>(<span>$_POST</span>['cname'<span>]);  
          
        </span><span>//</span><span>打开数据库连接  </span>
        <span>$connection</span> = <span>mysql_connect</span>(<span>$host</span>, <span>$user</span>, <span>$pass</span>) or <span>die</span>("Unable to connect!"<span>);  
          
        </span><span>//</span><span>选择数据库  </span>
        <span>mysql_select_db</span>(<span>$db</span>) or <span>die</span>("Unable to select database!"<span>);  
          
        </span><span>//</span><span>构造一个SQL查询  </span>
        <span>$query</span> = "INSERT INTO symbols(country, animal, cname) VALUE('<span>$country</span>', '<span>$animal</span>', '<span>$cname</span>')"<span>;  
          
        </span><span>//</span><span>执行该查询  </span>
        <span>$result</span> = <span>mysql_query</span>(<span>$query</span>) or <span>die</span>("Error in query: <span>$query</span>. ".<span>mysql_error</span><span>());  
          
        </span><span>//</span><span>插入操作成功后，显示插入记录的记录号  </span>
        <span>echo</span> "记录已经插入， mysql_insert_id() = ".<span>mysql_insert_id</span><span>();  
          
        </span><span>//</span><span>关闭当前数据库连接  </span>
        <span>mysql_close</span>(<span>$connection</span><span>);  
    }  
</span>?> 

参考：http://www.cnblogs.com/roucheng/p/phpmysql.html

上面的代码用不同格式，不知道哪种格式更好

1. 插入操作

     
3.     if(!isset($_POST['submit'])){  
4.         //如果没有表单提交，显示一个表单  
5. ?>  
6.     
   ""
    method="post">  
7.     国家："text" name="country" />  
8.     动物名称（英文）："text" name="animal" />  
9.     动物名称（中文）："text" name="cname" />  
10.     "submit" name="submit" value="提交表单" />  
11.       
13.     }  
14.     else  
15.     {  
16.         //如果提交了表单  
17.         //数据库连接参数  
18.         $host = "localhost";  
19.         $user = "root";  
20.         $pass = "zq19890319";  
21.         $db = "phpdev";  
22.           
23.         //取得表单中的值，检查表单中的值是否符合标准，并做适当转义，防止SQL注入  
24.         $country = empty($_POST['country'])? die("请输入国家名称"):  
25.         mysql_escape_string($_POST['country']);  
26.         $animal = empty($_POST['animal'])? die("请输入英文名"):  
27.         mysql_escape_string($_POST['animal']);  
28.         $cname = empty($_POST['cname'])? die("请输入中文名"):  
29.         mysql_escape_string($_POST['cname']);  
30.           
31.         //打开数据库连接 hovertree.com 何问起  
32.         $connection = mysql_connect($host, $user, $pass) or die("Unable to connect!");  
33.           
34.         //选择数据库  
35.         mysql_select_db($db) or die("Unable to select database!");  
36.           
37.         //构造一个SQL查询  
38.         $query = "INSERT INTO symbols(country, animal, cname) VALUE('$country', '$animal', '$cname')";  
39.           
40.         //执行该查询  
41.         $result = mysql_query($query) or die("Error in query: $query. ".mysql_error());  
42.           
43.         //插入操作成功后，显示插入记录的记录号  
44.         echo "记录已经插入， mysql_insert_id() = ".mysql_insert_id();  
45.           
46.         //关闭当前数据库连接  
47.         mysql_close($connection);  
48.     }  
49. ?> 

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