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//连接mysql数据库

 代码如下 $link = mysql_connect("localhost", "mysql_user", "mysql_password")
        or die("could not connect: " . mysql_error());
    print ("connected successfully");
    mysql_close($link);

 
//查询mysql字段名

 代码如下

$link = mysql_connect("localhost", "mysql_user", "mysql_password");

$fields = mysql_list_fields("database1", "table1", $link);
$columns = mysql_num_fields($fields);

for ($i = 0; $i < $columns; $i++) {
    echo mysql_field_name($fields, $i) . " ";
}

//查询数据

 代码如下 $conn=mysql_connect("localhost","phpdb","phpdb")
        or die("不能连接数据库服务器： ".mysql_error());
mysql_select_db("test",$conn) or die ("不能选择数据库: ".mysql_error()); 
$result = mysql_query("select * from user",$conn);
while($row=mysql_fetch_array($result)){ 
print "name:".$row[1]; 
print " address:".$row[3]; 
print " tel:".$row[4]; 
print " email:".$row[5];
echo

"
";
}

本文来源：http://www.gdgbn.com/bangongshuma/26523/