<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
</body>
<script defer="defer" charset="UTF-8" type="text/javascript">
(function() {
Array.prototype.each =
function(fn) {
try {
this.i || (
this.i = 0
);
if(
this.length > 0 && fn.constructor ==
Function) {
while(
this.i <
this.length) {
var e =
this[
this.i];
if(e && e.constructor ==
Array) {
e.each(fn);
} else {
fn.apply(e, [e]);
}
this.i++
}
this.i =
null;
}
} catch(ex) {
}
return this
}
var Interface =
function(name, methods) {
//1.判断实参的个数
if(arguments.length != 2
) {
throw new Error("参数不够"
);
}
this.name =
name;
this.methods =
[];
for(
var i = 0, len = methods.length; i < len; i++
) {
if(
typeof methods[i] !== "string"
) {
throw new Error("方法名必须是String类型"
);
}
this.methods.push(methods[i]);
}
}
Interface.ensureImplements =
function(object) {
if(arguments.length < 2
) {
throw new Error("参数个数不够"
)
}
for(
var i = 1, len = arguments.length; i < len; i++
) {
var interfaceName =
arguments[i];
if(interfaceName.constructor !==
Interface) {
throw new Error("接口类型不匹配"
);
}
for(
var j = 0; j < interfaceName.methods.length; j++
) {
var methodName =
interfaceName.methods[j];
if(!object[methodName] ||
typeof object[methodName] !== "function"
) {
throw new Error("方法不存在"
);
}
}
}
}
window.Interface =
Interface;
})();
(function() {
var Org =
function(name) {
this.name =
name;
this.depts =
[];
}
Org.prototype =
{
constructor: Org,
addDepts: function(childDept) {
this.depts.push(childDept);
return this;
},
getDepts: function() {
return this.depts;
}
}
var Dept =
function(name) {
this.name =
name;
this.persons =
[];
}
Dept.prototype =
{
constructor: Org,
addPersons: function(childPersons) {
this.persons.push(childPersons);
return this;
},
getPersons: function() {
return this.persons;
}
}
var Person =
function(name) {
this.name =
name;
}
Person.prototype =
{
constructor: Person,
work: function() {
console.info("努力工作的" +
this.name);
},
sleep: function() {
console.info("睡觉中的" +
this.name);
}
}
var a =
new Person("a"
);
var b =
new Person("b"
);
var c =
new Person("c"
);
var d =
new Person("d"
);
var e =
new Person("e"
);
var f =
new Person("f"
);
var A =
new Dept("A"
);
A.addPersons(a).addPersons(b).addPersons(c);
var B =
new Dept("B"
);
B.addPersons(d).addPersons(e).addPersons(f);
var Aa =
new Org("Org"
);
Aa.addDepts(A).addDepts(B);
//最终的节点落实在人上面 如果是部门呢？如果部门下面 又创建了部门呢？ OMG 不敢想了，此时 组合模式就诞生了。
for(
var i = 0, depts = Aa.getDepts(); i < depts.length; i++
) {
for(
var j = 0, persons = depts[i].getPersons(); j < persons.length; j++
) {
if(persons[j]["name"] === "e"
) {
//persons[j].work();
}
}
}
})();
(function() {
/*
* 应用场景(节点随便添加完全无视)
总公司--->上海分公司--->财务部门--->财务A
* --->财务B
* --->销售部门--->销售A
* --->销售B
* --->财务部门--->财务A
* --->财务B
--->销售部门 --->销售A
*/
var CompositeInterface =
new Interface("CompositeInterface", ["addChild", "getChild"
]);
var LeafInterface =
new Interface("LeafInterface", ["work", "sleep"
]);
//组合对象
var Composite =
function(name) {
this.name =
name;
this.type = "Composite"
;
this.children =
[];
};
Composite.prototype =
{
constructor: Composite,
addChild: function(child) {
this.children.push(child);
return this;
},
getChild: function(name) {
var elements =
[];
var pushLeaf =
function(item) {
if(item.type === "Composite"
) {
item.children.each(arguments.callee);
} else if(item.type === "Leaf"
) {
elements.push(item);
}
}
if(name &&
this.name !==
name) {
this.children.each(
function(item) {
if(item.name === name && item.type === "Composite"
) {
item.children.each(pushLeaf);
}
if(item !== name && item.type === "Composite"
) {
item.children.each(arguments.callee);
}
if(item.name === name && item.type === "Leaf"
) {
elements.push(item);
}
});
} else {
this.children.each(pushLeaf);
}
return elements;
},
work: function(name) {
var childObjects =
this.getChild(name);
for(
var i = 0; i < childObjects.length; i++
) {
childObjects[i].work();
}
},
sleep: function(name) {
var childObjects =
this.getChild(name);
for(
var i = 0; i < childObjects.length; i++
) {
childObjects[i].sleep();
}
}
}
//叶子对象
var Leaf =
function(name) {
this.name =
name;
this.type = "Leaf"
;
};
Leaf.prototype =
{
constructor: Leaf,
addChild: function(child) {
throw new SyntaxError("最底层节点 无法在添加子节点"
);
},
getChild: function(name) {
if(
this.name ===
name) {
return this;
}
return null;
},
work: function() {
console.info("努力工作的" +
this.name);
},
sleep: function() {
console.info("睡觉中的" +
this.name);
}
}
var a =
new Leaf("a"
);
var b =
new Leaf("b"
);
var c =
new Leaf("c"
);
var d =
new Leaf("d"
);
var e =
new Leaf("e"
);
var f =
new Leaf("f"
);
var A =
new Composite("A"
);
A.addChild(a).addChild(b).addChild(c);
var B =
new Composite("B"
);
B.addChild(d).addChild(e).addChild(f);
var Aa =
new Composite("Org"
);
Aa.addChild(A).addChild(B);
/*调用规则*/
Aa.work();
Aa.work("A"
);
Aa.work("b"
);
})();
</script>
</html>
转载于:https://www.cnblogs.com/ctrek/p/6367475.html
