private function _connect()
{
if (self::$link) {
return;
}
$link = @new Mysqli(C('DB_IPADDRESS'), C('DB_USER'), C('DB_PASSWORD'), C('DB_NAME'));
if ($link->connect_errno) {
die($link->connect_error);
}
$link->query('SET NAMES ' . C('DB_CHARSET'));
self::$link = $link;
}
/**
* [connect 连接数据库]
* @return null
*/
public function connect()
{
if (is_null(self::$link)) {
C('DB_DATABASE') or halt('请先设置数据库');
$mysqli = new mysqli(C('DB_HOST'), C('DB_USER'), C('DB_PWD'), C('DB_DATABASE'), C('DB_PORT'));
if ($mysqli->connect_error) {
halt('数据库连接错误' . $mysqli->connect_error);
}
$mysqli->set_charset(C('DB_CHARSET'));
//设置字符集
self::$link = $mysqli;
}
}
/**
* [connect 数据库连接]
* @return [type] [description]
*/
private function connect(){
if(is_null(self::$link)){
$db = C('DB_DATABASE');
if(empty($db))echo "请先配置数据库";
$link = new Mysqli(C('DB_HOST'),C('DB_USER'),C('DB_PASSWORD'),C('DB_DATABASE'));
if($link->connect_error){
echo "数据库连接错误，请检查配置项";
}
$link->set_charset(C('DB_CHARSET'));
self::$link = $link;
}
}
private function _connect()
{
if (is_null(self::$link)) {
if (empty(C('DB_DATABASE'))) {
halt("请先配置数据库相关选项");
}
$link = new mysqli(C('DB_HOST'), C('DB_USER'), C('DB_PASSWORD'), C('DB_DATABASE'), C('DB_PORT'));
if ($link->connect_error) {
halt("数据库连接错误，请检查相关配置项");
}
$link->set_charset(C('DB_CHARSET'));
self::$link = $link;
}
}
/**
* [_connect 链接数据库]
* @return [type] [description]
*/
private function _connect()
{
if (is_null(self::$link)) {
$db = C("DB_DATABASE");
if (empty($db)) {
halt("请先配置数据库！");
}
$link = new Mysqli(C('DB_HOST'), C('DB_USER'), C('DB_PASSWORD'), $db, C('DB_PORT'));
if ($link->connect_error) {
halt("数据库连接出错，请检查数据库配置");
}
$link->set_charset(C("DB_CHARSET"));
self::$link = $link;
}
}
/**
* 连接数据库
* @param Array $arr 数组
* @author wave
*/
protected static function link($arr)
{
if (self::$link == null) {
self::$link = new db(isset($arr['host']) ? $arr['host'] : '', isset($arr['username']) ? $arr['username'] : '', isset($arr['pwd']) ? $arr['pwd'] : '', isset($arr['table']) ? $arr['table'] : '', isset($arr['charset']) ? $arr['charset'] : '', isset($arr['dbtype']) ? $arr['dbtype'] : '', isset($arr['port']) ? $arr['port'] : '', isset($arr['dns']) ? $arr['dns'] : '');
}
if (EXTENSION == 1) {
return self::$link->connect();
}
return self::$link->pdo_connect();
}
/**
* [_connect 链接数据库]
* @return [type] [description]
*/
private function _connect()
{
if (is_null(self::$link)) {
if (empty(self::$dbConfig['DB_DATABASE'])) {
exit("请先配置数据库！");
}
$link = new Mysqli(self::$dbConfig['DB_HOST'], self::$dbConfig['DB_USER'], self::$dbConfig['DB_PASSWORD'], self::$dbConfig['DB_DATABASE'], self::$dbConfig['DB_PORT']);
if ($link->connect_error) {
exit("数据库连接出错，请检查数据库配置");
}
$link->set_charset(self::$dbConfig["DB_CHARSET"]);
self::$link = $link;
}
}
