


Detailed explanation of mutual communication between main and iframe in php
这篇文章主要介绍了php main 与 iframe 相互通讯类(js+php同域/跨域),需要的朋友可以参考下
main 与 iframe 相互通讯类
今天把main与iframe相互通讯的方法封装成类,主要有两个文件,
JS:FrameMessage.js 实现调用方法的接口,如跨域则创建临时iframe,调用同域执行者。
PHP:FrameMessage.class.php 实现接收到跨域请求时,根据参数返回执行方法的JS code。
功能如下:
1.支持同域与跨域通讯
2.传递的方法参数支持字符串,JSON,数组等。
复制代码 代码如下:
FrameMessage.exec('http://127.0.0.1/execB.php', 'myframe', 'fIframe', ['fdipzone', '{"gender":"male","age":"29"}', '["http://blog.csdn.net/fdipzone", "http://weibo.com/fdipzone"]']);
代码如下:
FrameMessage.exec('http://localhost/execA.php', '', 'fMain', ['programmer', '{"first":"PHP","second":"javascript"}', '["EEG","NMG"]']);
因部分浏览器不支持JSON.stringify 与JSON.parse 方法(如IE6/7),为了兼容,需要包含json2.js,下载地址:
https://github.com/douglascrockford/JSON-js
FrameMessage.js
/** Main 与 Iframe 相互通讯类 支持同域与跨域通讯 * Date: 2013-12-29 * Author: fdipzone * Ver: 1.0 */ var FrameMessage = (function(){ this.oFrameMessageExec = null; // 临时iframe /* 执行方法 executor 执行的页面,为空则为同域 frame 要调用的方法的框架名称,为空则为parent func 要调用的方法名 args 要调用的方法的参数,必须为数组[arg1, arg2, arg3, argn...],方便apply调用 元素为字符串格式,请不要使用html,考虑注入安全的问题会过滤 */ this.exec = function(executor, frame, func, args){ this.executor = typeof(executor)!='undefined'? executor : ''; this.frame = typeof(frame)!='undefined'? frame : ''; this.func = typeof(func)!='undefined'? func : ''; this.args = typeof(args)!='undefined'? (__fIsArray(args)? args : []) : []; // 必须是数组 if(executor==''){ __fSameDomainExec(); // same domain }else{ __fCrossDomainExec(); // cross domain } } /* 同域执行 */ function __fSameDomainExec(){ if(this.frame==''){ // parent parent.window[this.func].apply(this, this.args); }else{ window.frames[this.frame][this.func].apply(this, this.args); } } /* 跨域执行 */ function __fCrossDomainExec(){ if(this.oFrameMessageExec == null){ this.oFrameMessageExec = document.createElement('iframe'); this.oFrameMessageExec.name = 'FrameMessage_tmp_frame'; this.oFrameMessageExec.src = __fGetSrc(); this.oFrameMessageExec.style.display = 'none'; document.body.appendChild(this.oFrameMessageExec); }else{ this.oFrameMessageExec.src = __fGetSrc(); } } /* 获取执行的url */ function __fGetSrc(){ return this.executor + (this.executor.indexOf('?')==-1? '?' : '&') + 'frame=' + this.frame + '&func=' + this.func + '&args=' + JSON.stringify(this.args) + '&framemessage_rand=' + Math.random(); } /* 判断是否数组 */ function __fIsArray(obj){ return Object.prototype.toString.call(obj) === '[object Array]'; } return this; }());
FrameMessage.class.php
<?php /** Frame Message class main 与 iframe 相互通讯类 * Date: 2013-12-29 * Author: fdipzone * Ver: 1.0 * * Func: * public execute 根据参数调用方法 * private returnJs 创建返回的javascript * private jsFormat 转义参数 */ class FrameMessage{ // class start /* execute 根据参数调用方法 * @param String $frame 要调用的方法的框架名称,为空则为parent * @param String $func 要调用的方法名 * @param JSONstr $args 要调用的方法的参数 * @return String */ public static function execute($frame, $func, $args=''){ if(!is_string($frame) || !is_string($func) || !is_string($args)){ return ''; } // frame 与 func 限制只能是字母数字下划线 if(($frame!='' && !preg_match('/^[A-Za-z0-9_]+$/',$frame)) || !preg_match('/^[A-Za-z0-9_]+$/',$func)){ return ''; } $params_str = ''; if($args){ $params = json_decode($args, true); if(is_array($params)){ for($i=0,$len=count($params); $i<$len; $i++){ // 过滤参数,防止注入 $params[$i] = self::jsFormat($params[$i]); } $params_str = "'".implode("','", $params)."'"; } } if($frame==''){ // parent return self::returnJs("parent.parent.".$func."(".$params_str.");"); }else{ return self::returnJs("parent.window.".$frame.".".$func."(".$params_str.");"); } } /** 创建返回的javascript * @param String $str * @return String */ private static function returnJs($str){ $ret = '<script type="text/javascript">'."\r\n"; $ret .= $str."\r\n"; $ret .= '</script>'; return $ret; } /** 转义参数 * @param String $str * @return String */ private static function jsFormat($str){ $str = strip_tags(trim($str)); // 过滤html $str = str_replace('\\s\\s', '\\s', $str); $str = str_replace(chr(10), '', $str); $str = str_replace(chr(13), '', $str); $str = str_replace(' ', '', $str); $str = str_replace('\\', '\\\\', $str); $str = str_replace('"', '\\"', $str); $str = str_replace('\\\'', '\\\\\'', $str); $str = str_replace("'", "\'", $str); return $str; } } // class end ?>
A.html
main window A.html main
B.html
iframe window B.html iframe
execA.php 与 execB.php
<?php require 'FrameMessage.class.php'; $frame = isset($_GET['frame'])? $_GET['frame'] : ''; $func = isset($_GET['func'])? $_GET['func'] : ''; $args = isset($_GET['args'])? $_GET['args'] : ''; $result = FrameMessage::execute($frame, $func, $args); echo $result; ?>
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