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_connect();   //连接MYSQL数据库
_select_db();   //选择指定的数据库
_set_names();   //设置字符集
报错

Fatal error: Call to undefined function _connect() in D:\wamp\www\bbb\includes\common.inc.php on line 45
怎么解决
   能不能有个群啊   本人新手无限多个问题啊  


回复讨论(解决方案)

没有这个函数_connect。
找下这函数在哪文件include进来吧。

你代码都不发出来,我乍知道在哪里错了呢?
单看报错信息,就是_connect 这个方法不存在

没有这个函数_connect。
找下这函数在哪文件include进来吧。
  我照着视频打得   他就不报错 我那那都报错...

/**
* TestGuest Version1.0
* ================================================
* Copy 2010-2012 yc60
* Web: http://www.yc60.com
* ================================================
* Author: Lee
* Date: 2010-8-10
*/
//防止恶意调用
if (!defined('IN_TG')) {
exit('Access Defined!');
}




//转换硬路径常量
define('ROOT_PATH',substr(dirname(__FILE__),0,-8));

//创建一个自动转义状态的常量
define('GPC',get_magic_quotes_gpc());

//拒绝PHP低版本
if (PHP_VERSION  exit('Version is to Low!');
}

//引入函数库
require ROOT_PATH.'includes/global.func.php';
require ROOT_PATH.'includes/mysql.func.php';

//执行耗时
define('START_TIME',_runtime());
//$GLOBALS['start_time'] = _runtime();

//数据库连接
define('DB_HOST','localhost');
define('DB_USER','root');
define('DB_PWD','');
define('DB_NAME','testguest');

//初始化数据库
_connect();   //连接MYSQL数据库
_select_db();   //选择指定的数据库
_set_names();   //设置字符集





?>

require ROOT_PATH.'includes/global.func.php';
require ROOT_PATH.'includes/mysql.func.php';

这个你有么?他的例子不只是一个php

require ROOT_PATH.'includes/global.func.php';
require ROOT_PATH.'includes/mysql.func.php';

这个你有么?他的例子不只是一个php
有,都有

大神们~求解决啊

require ROOT_PATH.'includes/global.func.php';
require ROOT_PATH.'includes/mysql.func.php';

这两个文件的代码也贴出来

global.func.php



/**
* TestGuest Version1.0
* ================================================
* Copy 2010-2012 yc60
* Web: http://www.yc60.com
* ================================================
* Author: Lee
* Date: 2010-8-11
*/

/**
 *_runtime()是用来获取执行耗时
 * @access public  表示函数对外公开
 * @return float 表示返回出来的是一个浮点型数字
 */
function _runtime() {
$_mtime = explode(' ',microtime());
return $_mtime[1] + $_mtime[0];
}

/**
 * _alert_back()表是JS弹窗
 * @access public
 * @param $_info
 * @return void 弹窗
 */
function _alert_back($_info) {
echo "<script>alert('$_info');history.back();</script>";
exit();
}

function _location($_info,$_url) {
echo "<script>alert('$_info');location.href='$_url';</script>";
exit();
}


/**
 * 
 */

function _sha1_uniqid() {
return _mysql_string(sha1(uniqid(rand(),true)));
}

/**
 * _mysql_string
 * @param string $_string
 * @return string $_string
 */

function _mysql_string($_string) {
//get_magic_quotes_gpc()如果开启状态,那么就不需要转义
if (!GPC) {
return mysql_real_escape_string($_string);

return $_string;
}


/**
 * _check_code
 * @param string $_first_code
 * @param string $_end_code
 * @return void 验证码比对
 */

function _check_code($_first_code,$_end_code) {
if ($_first_code != $_end_code) {
_alert_back('验证码不正确!');
}
}

/**
 * _code()是验证码函数
 * @access public 
 * @param int $_width 表示验证码的长度
 * @param int $_height 表示验证码的高度
 * @param int $_rnd_code 表示验证码的位数
 * @param bool $_flag 表示验证码是否需要边框 
 * @return void 这个函数执行后产生一个验证码
 */
function _code($_width = 75,$_height = 25,$_rnd_code = 4,$_flag = false) {

//创建随机码
for ($i=0;$i $_nmsg .= dechex(mt_rand(0,15));
}

//保存在session
$_SESSION['code'] = $_nmsg;

//创建一张图像
$_img = imagecreatetruecolor($_width,$_height);

//白色
$_white = imagecolorallocate($_img,255,255,255);

//填充
imagefill($_img,0,0,$_white);

if ($_flag) {
//黑色,边框
$_black = imagecolorallocate($_img,0,0,0);
imagerectangle($_img,0,0,$_width-1,$_height-1,$_black);
}

//随即画出6个线条
for ($i=0;$i $_rnd_color = imagecolorallocate($_img,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255));
imageline($_img,mt_rand(0,$_width),mt_rand(0,$_height),mt_rand(0,$_width),mt_rand(0,$_height),$_rnd_color);
}

//随即雪花
for ($i=0;$i $_rnd_color = imagecolorallocate($_img,mt_rand(200,255),mt_rand(200,255),mt_rand(200,255));
imagestring($_img,1,mt_rand(1,$_width),mt_rand(1,$_height),'*',$_rnd_color);
}

//输出验证码
for ($i=0;$i $_rnd_color = imagecolorallocate($_img,mt_rand(0,100),mt_rand(0,150),mt_rand(0,200));
imagestring($_img,5,$i*$_width/$_rnd_code+mt_rand(1,10),mt_rand(1,$_height/2),$_SESSION['code'][$i],$_rnd_color);
}

//输出图像
header('Content-Type: image/png');
imagepng($_img);

//销毁
imagedestroy($_img);
}












?>

require ROOT_PATH.'includes/global.func.php';
require ROOT_PATH.'includes/mysql.func.php';

这两个文件的代码也贴出来

mysql.func.php



/**
* TestGuest Version1.0
* ================================================
* Copy 2010-2012 yc60
* Web: http://www.yc60.com
* ================================================
* Author: Lee
* Date: 2010-8-19
*/
//防止恶意调用
if (!defined('IN_TG')) {
exit('Access Defined!');
}


/**
 * _connect() 连接MYSQL数据库
 * @access public
 * @return void
 */

function _connect() {
//global 表示全局变量的意思,意图是将此变量在函数外部也能访问
global $_conn;
if (!$_conn = @mysql_connect(DB_HOST,DB_USER,DB_PWD)) {
exit('数据库连接失败');
}
}

/**
 * _select_db选择一款数据库
 * @return void
 */

function _select_db() {
if (!mysql_select_db(DB_NAME)) {
exit('找不到指定的数据库');
}
}

/**
 * 
 */

function _set_names() {
if (!mysql_query('SET NAMES UTF8')) {
exit('字符集错误');
}
}

/**
 * 
 * @param $_sql
 */

function _query($_sql) {
if (!$_result = mysql_query($_sql)) {
exit('SQL执行失败');
}
return $_result;
}

/**
 * 
 * @param $_sql
 */

function _fetch_array($_sql) {
return mysql_fetch_array(_query($_sql),MYSQL_ASSOC);
}

/**
 * 
 * @param $_sql
 * @param $_info
 */

function _is_repeat($_sql,$_info) {
if (_fetch_array($_sql)) {
_alert_back($_info);
}
}


function _close() {
if (!mysql_close()) {
exit('关闭异常');
}
}








?>

问题应该出在 define('ROOT_PATH',substr(dirname(__FILE__),0,-8));

echo ROOT_PATH, '
';
echo __FILE__, '
';
贴出结果

我请教了  别人  好像没事了  谢谢你们

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