function connect($hostInfo){
	$link=mysql_connect($hostInfo['host'],$hostInfo['username'],$hostInfo['password']) or die("Mysql Connect Failed.");
	mysql_set_charset($hostInfo['charset']);
	mysql_select_db($hostInfo['dbname']);
	return $link;
}

$arr=array(
	"host"		=>	"localhost",
	"username"	=>	"root",
	"password"	=>	"111111",
	"dbname"	=>	"test",
	"charset"	=>	"utf8"
);
connect($arr);
if(connect($arr)){
	echo "打开数据库成功。";
}else{
	echo "打开数据库失败。";
}

$info=array(
	"name"=>$_POST['name'],
	"email"=>$_POST['email']
);
/**
 * 插入函数封装的第一种方法,截取字符串得到需要的键值
 * @param unknown $array
 * @param unknown $table
 * @return number
 */
function insert($array,$table){
	foreach($array as $key=>$val){
		$keys.=$key.",";
		$vals.="'".$val."',";
	}
	$keys=substr($keys, 0, strrpos($keys,","));
	$vals=substr($vals, 0, strrpos($vals, ","));
	$query="insert into {$table}($keys) values({$vals})";
	//echo $query;
	mysql_query($query);
	return mysql_insert_id();
}

if(insert($info, $table)){
	echo "插入成功";
}else{
	echo "插入失败";
}


/**
 * 插入函数封装的第二种方法,连接数组值得到需要的键和值
 * @param unknown $array
 * @param unknown $table
 * @return number
 */
function insert($array,$table){
	$keys=join(",", array_keys( $array));
	$vals="'".join("','", array_values($array))."'";
	$query="insert into {$table}({$keys}) values({$vals})";
	mysql_query($query);
	return mysql_insert_id();
}

if(insert($info, $table)){
	echo "Success";
}else{
	echo "Failed";
}