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修改测试demo文件夹为test,并为其增加node.js的http服务器,在本地进行测试. #16

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修改测试demo文件夹为test,并为其增加node.js的http服务器,在本地进行测试. #16

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5a85a10
修改测试demo文件夹为test,并为其增加node.js的http服务器,在本地进行测试.
jincdream Jul 30, 2014
d5d47ec
重构了Messenger，实现了基本的通信功能，但在完全跨域的情况下还不能通信。
jincdream Aug 5, 2014
4bd1e5e
readme
jincdream Aug 5, 2014
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21 changes: 18 additions & 3 deletions README.md
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Expand Up @@ -71,14 +71,29 @@ Since modern browsers have native cross-document communication method(the PostMe
messenger.send(msg);

6. 现在看到iframe收到消息的alert提示了吗?

## Demo ##
<a href="http://biqing.github.io/labs/messenger/parent.html">http://biqing.github.io/labs/messenger/parent.html</a>


或者用Node.js开启测试服务器，在`test`文件夹内的:
``
$ node server
``
然后打开该地址:<a href="http://locallhost:80/">locallhost:80</a>进行测试。
## 关于消息安全性 ##
由于任何iframe都可以收到广播的消息，建议传递消息时使用JSON String的形式，使用一个字段做消息有效性的验证。如果怕一个固定值（如项目名）不安全，可以使用一个简单的加密算法，并对业务脚本进行压缩混淆，此时的安全风险可以降到最低。

## 问题与建议 ##
使用中难免遇到问题，欢迎提问与建议 : )

[提交Issue](https://github.com/biqing/MessengerJS/issues/new)
[提交Issue](https://github.com/biqing/MessengerJS/issues/new)

# 根据前辈的Messenger写成了Messenger2 #
支持消息标记，比如监听一个名为 `test`的消息名称，发送的时候只发送消息个`test`的监听事件。

//iframe 1
ifr.listen('test',function(data){
console.log('post'+data+'from test');
});
//iframe 2
ifr2.to('ifr',0).post('test','test1');
99 changes: 99 additions & 0 deletions messenger2.js
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@@ -0,0 +1,99 @@
window.Messenger = (function(w,jQuery){
var prefix = '[_Project_Name]';

var ie = w.navigator.appName !== 'Netscape';
var parent = w.parent;
var nv = ie ? parent.navigator : void(0);

var Messenger = function (myName){
if(ie)this.self = nv[myName] = new Watcher();
this.evNames = {};
this.data = [];
return this;
};

var iePostMessage = {};
var usePostMessage = {};
//ie下的通信
//监视器
function Watcher(){
this.targets = {};
}
Watcher.prototype.addListener = function(evName,callback){
var targets = this.targets;
targets[evName] = callback;
};
Watcher.prototype.emit = function(evName,msg){
var targets = this.targets;
targets[evName](msg);
};
//ie post
iePostMessage.to = function(target,n){
this.tName = target;
return this;
};
iePostMessage.post = function(evName,msg){
var self = this;
var name = self.tName;
parent['ifr'].onload = function(){
self.target = nv[name];
self.target.emit(evName,msg);
}
return this;
};
iePostMessage.listen = function(evName,callback){
this.self.addListener(evName,callback);
return this;
};
//post message
usePostMessage.post = function(evName,msg){
var self = this;
var data = self.data;
var tg = self.target;
data.push({name:evName,msg:msg});
self._onload(function(){
tg.contentWindow.postMessage(data,tg.src);
});
return this;
};
usePostMessage.to = function(target,n){
var self = this;
self.tName = target;
if(n === void(0)){
self.target = document.querySelector('#'+self.tName);
}else{
self.ftf = !0;
self.target = {contentWindow : parent.frames[n],src:'*'}
}
return this;
};
usePostMessage.listen = function(evName,callback){
var self = this;
var name = evName;
var names = self.evNames;
names[name] = callback;
var wrap = function(event){
var data = event.data;
var ns = names;
var n = name;
data.forEach(function(v){
var evN = v.name;
if(n && n!==evN)return;
var msg = v.msg;
if(n==evN || (!n && ns[evN]))ns[evN](msg);
});
};
w.onmessage = wrap;
return this;
};
Messenger.prototype = ie ? iePostMessage : usePostMessage;
Messenger.prototype._onload = function(fn){
var self = this;
if(self.ftf){
fn();
}else if(w == parent){
self.target.onload = fn;
}
}
return Messenger;
})(window,window.jQuery);
86 changes: 43 additions & 43 deletions demo/child.html → test/child.html
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@@ -1,44 +1,44 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>iframe communication (child window page)</title>
<script src="messenger.js"></script>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.2/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<p>
<span class="label label-danger">child window</span>
This is a child window under the domain:
<script>document.write('(' + location.protocol + '//' + location.host + ')');</script>
</p>
<p>
<input type="text" placeholder="输入消息" id="message" />
<button type="button" class="btn btn-info" onclick="sendMessage('parent');">send to parent</button>
</p>
<pre id="output" class="alert alert-warning"></pre>
</div>
<script>
var messenger = new Messenger('childWindow', 'MessengerDemo'),
input = document.getElementById('message');
messenger.listen(function (msg) {
var newline = '\n';
var text = document.createTextNode(msg + newline);
document.getElementById('output').appendChild(text);
});
messenger.addTarget(window.opener, 'parent');
function sendMessage(name) {
var msg = input.value;
messenger.targets[name].send("message from childWindow: " + msg);
input.value = '';
}
</script>
</body>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>iframe communication (child window page)</title>
<script src="messenger.js"></script>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.2/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<p>
<span class="label label-danger">child window</span>
This is a child window under the domain:
<script>document.write('(' + location.protocol + '//' + location.host + ')');</script>
</p>

<p>
<input type="text" placeholder="输入消息" id="message" />
<button type="button" class="btn btn-info" onclick="sendMessage('parent');">send to parent</button>
</p>
<pre id="output" class="alert alert-warning"></pre>
</div>

<script>
var messenger = new Messenger('childWindow', 'MessengerDemo'),
input = document.getElementById('message');

messenger.listen(function (msg) {
var newline = '\n';
var text = document.createTextNode(msg + newline);
document.getElementById('output').appendChild(text);
});

messenger.addTarget(window.opener, 'parent');

function sendMessage(name) {
var msg = input.value;
messenger.targets[name].send("message from childWindow: " + msg);
input.value = '';
}
</script>
</body>
</html>
106 changes: 53 additions & 53 deletions demo/iframe1.html → test/iframe1.html
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@@ -1,53 +1,53 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>iframe communication (iframe page)</title>
<script src="messenger.js"></script>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.2/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<p>
<span class="label label-danger">iframe1</span>
This is a iframe under the domain:
<script>document.write('(' + location.protocol + '//' + location.host + ')');</script>
</p>
<p>
<input type="text" placeholder="输入消息" id="message" />
<button type="button" class="btn btn-primary" onclick="sendMessage('parent');">send to parent</button>
<button type="button" class="btn btn-primary" onclick="sendMessage('iframe2');">send to iframe2</button>
<button type="button" class="btn btn-success" onclick="sendAll();">send to all</button>
</p>
<pre id="output" class="alert alert-warning"></pre>
</div>
<script>
var messenger = new Messenger('iframe1', 'MessengerDemo'),
input = document.getElementById('message');
messenger.listen(function (msg) {
var newline = '\n';
var text = document.createTextNode(msg + newline);
document.getElementById('output').appendChild(text);
});
messenger.addTarget(window.parent, 'parent');
messenger.addTarget(window.parent.frames[1], 'iframe2');
function sendMessage(name) {
var msg = input.value;
messenger.targets[name].send("message from iframe1: " + msg);
input.value = '';
}
function sendAll() {
var msg = input.value;
messenger.send("message from iframe1: " + msg);
input.value = '';
}
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>iframe communication (iframe page)</title>
<script src="messenger.js"></script>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.2/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<p>
<span class="label label-danger">iframe1</span>
This is a iframe under the domain:
<script>document.write('(' + location.protocol + '//' + location.host + ')');</script>
</p>

<p>
<input type="text" placeholder="输入消息" id="message" />
<button type="button" class="btn btn-primary" onclick="sendMessage('parent');">send to parent</button>
<button type="button" class="btn btn-primary" onclick="sendMessage('iframe2');">send to iframe2</button>
<button type="button" class="btn btn-success" onclick="sendAll();">send to all</button>
</p>
<pre id="output" class="alert alert-warning"></pre>
</div>

<script>
var messenger = new Messenger('iframe1', 'MessengerDemo'),
input = document.getElementById('message');

messenger.listen(function (msg) {
var newline = '\n';
var text = document.createTextNode(msg + newline);
document.getElementById('output').appendChild(text);
});

messenger.addTarget(window.parent, 'parent');
messenger.addTarget(window.parent.frames[1], 'iframe2');

function sendMessage(name) {
var msg = input.value;
messenger.targets[name].send("message from iframe1: " + msg);
input.value = '';
}

function sendAll() {
var msg = input.value;
messenger.send("message from iframe1: " + msg);
input.value = '';
}
</script>
</body>
</html>
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