给PHPLIB模版加两个函数,解决模版文件内图片、CSS和JS包括路径问题

王朝php·作者佚名  2006-11-24
窄屏简体版  字體: |||超大  

加了两个函数,用法和原来的一样,具体看代码里面说明。

只是在声明的时候要指定图片的路径,默认为当前目录,也就是PHP文件所在目录。

注意的是图片目录要相对于模版文件目录的,模版文件和图片文件不能在同一级目录下。

<?php

/*

* Session Management for PHP3

*

* (C) Copyright 1999-2000 NetUSE GmbH

* Kristian Koehntopp

*

* $Id: template.inc,v 1.5 2000/07/12 18:22:35 kk Exp $

*

*/

class Template {

var $classname = "Template";

/* if set, echo assignments */

var $debug = false;

/* $file[handle] = "filename"; */

var $file = array();

/* relative filenames are relative to this pathname */

var $root = "";

/* $varkeys[key] = "key"; $varvals[key] = "value"; */

var $varkeys = array();

var $varvals = array();

/* "remove" => remove undefined variables

* "comment" => replace undefined variables with comments

* "keep" => keep undefined variables

*/

var $unknowns = "remove";

/* "yes" => halt, "report" => report error, continue, "no" => ignore error quietly */

var $halt_on_error = "yes";

/* last error message is retained here */

var $last_error = "";

var $path = ".";

/*********************************/

/* public: Constructor.

* root: template directory.

* unknowns: how to handle unknown variables.

*/

function Template($root = ".", $path = ".", $unknowns = "remove") {

$this->set_root($root);

$this->set_path($path);

$this->set_unknowns($unknowns);

}

/* 设置图片路径

*/

function set_path($path){

if($path == ".") return true;

if (!is_dir($this->root . "/" . $path)) {

$this->halt("set_path: $path is not a directory.");

return false;

}

$this->path = $path;

return true;

}

/* public: setroot(pathname $root)

* root: new template directory.

*/

function set_root($root) {

if (!is_dir($root)) {

$this->halt("set_root: $root is not a directory.");

return false;

}

$this->root = $root;

return true;

}

/* public: set_unknowns(enum $unknowns)

* unknowns: "remove", "comment", "keep"

*

*/

function set_unknowns($unknowns = "keep") {

$this->unknowns = $unknowns;

}

/* public: set_file(array $filelist)

* filelist: array of handle, filename pairs.

*

* public: set_file(string $handle, string $filename)

* handle: handle for a filename,

* filename: name of template file

*/

function set_file($handle, $filename = "") {

if (!is_array($handle)) {

if ($filename == "") {

$this->halt("set_file: For handle $handle filename is empty.");

return false;

}

$this->file[$handle] = $this->filename($filename);

} else {

reset($handle);

while(list($h, $f) = each($handle)) {

$this->file[$h] = $this->filename($f);

}

}

}

/* public: set_block(string $parent, string $handle, string $name = "")

* extract the template $handle from $parent,

* place variable {$name} instead.

*/

function set_block($parent, $handle, $name = "") {

if (!$this->loadfile($parent)) {

$this->halt("subst: unable to load $parent.");

return false;

}

if ($name == "")

$name = $handle;

$str = $this->get_var($parent);

$reg = "/<!--s+BEGIN $handles+-->(.*)\ns*<!--s+END $handles+-->/sm";

preg_match_all($reg, $str, $m);

$str = preg_replace($reg, "{" . "$name}", $str);

$this->set_var($handle, $m[1][0]);

$this->set_var($parent, $str);

$this->set_var($name);

}

/* public: set_var(array $values)

* values: array of variable name, value pairs.

*

* public: set_var(string $varname, string $value)

* varname: name of a variable that is to be defined

* value: value of that variable

*/

function set_var($varname, $value = "") {

if (!is_array($varname)) {

if (!empty($varname))

if ($this->debug) print "scalar: set *$varname* to *$value*<br>\n";

$this->varkeys[$varname] = "/".$this->varname($varname)."/";

$this->varvals[$varname] = $value;

} else {

reset($varname);

while(list($k, $v) = each($varname)) {

if (!empty($k))

if ($this->debug) print "array: set *$k* to *$v*<br>\n";

$this->varkeys[$k] = "/".$this->varname($k)."/";

$this->varvals[$k] = $v;

}

}

}

/* public: subst(string $handle)

* handle: handle of template where variables are to be substituted.

*/

function subst($handle) {

if (!$this->loadfile($handle)) {

$this->halt("subst: unable to load $handle.");

&nb

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