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temp.tpl:{config_load file="../configs/a.conf"}{#s#}

a.conf:s='测试测试'

报错Fatal error: Uncaught exception 'SmartyException' with message 'Unable to read config file '../configs/a.conf'' in C:\wamp\www\smarty\libs\sysplugins\smarty_internal_resource_file.php:68 Stack trace: #0 C:\wamp\www\smarty\libs\sysplugins\smarty_config_source.php(86): Smarty_Internal_Resource_File->getContent(Object(Smarty_Config_Source)) #1 C:\wamp\www\smarty\libs\sysplugins\smarty_internal_config_file_compiler.php(81): Smarty_Config_Source->__get('content') #2 C:\wamp\www\smarty\libs\sysplugins\smarty_internal_config.php(189): Smarty_Internal_Config_File_Compiler->compileSource(Object(Smarty_Internal_Config)) #3 C:\wamp\www\smarty\libs\sysplugins\smarty_internal_config.php(214): Smarty_Internal_Config->compileConfigSource() #4 C:\wamp\www\smarty\templates_c\187938f6ec55068ed23f0f2de8d126b1ae3149c7.file.temp.tpl.php(36): Smarty_Internal_Config->loadConfigVars(NULL, 'local') #5 C:\wamp\www\smarty\libs\sysplugins\smarty_internal_templatebase.php(180): content_4fb7f6591b8ab2_26457252(Object(Smarty_Internal_Template)) #6 C:\w in C:\wamp\www\smarty\libs\sysplugins\smarty_internal_resource_file.php on line 68

自定义函数<?phprequire_once './libs/Smarty.class.php';$smarty=new Smarty;function myfun($args){$str="";for($i=0;$i<$args['times'];$i++){$str.="测试";}return $str;}$smarty->register_function("doloop","myfun");$smarty->display("temp.tpl");?>

temp.tpl:{doloop times="5"}

报错Fatal error: Uncaught exception 'SmartyException' with message 'Call of unknown method 'register_function'.' in C:\wamp\www\smarty\libs\sysplugins\smarty_internal_templatebase.php:806 Stack trace: #0 [internal function]: Smarty_Internal_TemplateBase->__call('register_functi...', Array) #1 C:\wamp\www\smarty\smarty.php(62): Smarty->register_function('doloop', 'myfun') #2 {main} thrown in C:\wamp\www\smarty\libs\sysplugins\smarty_internal_templatebase.php on line 806

我从smarty官方网站上下载了Smarty 3.1.8 [Smarty-stable.zip] Feb 20th, 2012文件啊stable这个单词是稳定的意思 我就下了这个包 解压后 我把里面的libs文件夹拷贝到我的www/smarty目录下，其它像在temp.tpl模板里运行{$smarty.server.SERVER_ADDR}这个语句可以正常显示啊，为什么就运行上面的config_load和自定义函数就不行啊