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<!DOCTYPE html>
<html>
<head>
<meta content="width =device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" name="viewport" />
<meta name="apple-mobile-web-app-status-bar-style" content="black" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="format-detection" content="telephone=no" />
<title></title>
<style>
html, body { margin: 0px; padding: 0px; height: 100%; width: 100%; }
p { margin: 0px; padding: 0px; }
.page { width: 100%; height: 100%; }
</style>
</head>
<body>
<script>
//策略模式
//年终奖demo
/*
*根据绩效发放 基本工资*月数=年终奖
*/
/*-------------js面向对象模式--------------*/
//策略类
var performanceS = function () { };//绩效S对象
performanceS.prototype.calculate = function (salary) {
return salary * 4;
}
var performanceA = function () { }//绩效A对象
performanceA.prototype.calculate = function (salary) {
return salary * 3;
}
//环境类
var Bonus = function () {
this.salary = null;
this.strategy = null;
}
Bonus.prototype.setSalary = function (salary) {
this.salary = salary;//基本工资
}
Bonus.prototype.setStrategy = function (strategy) {
this.strategy = strategy;//设置策略对象
}
Bonus.prototype.getBonus = function () {
return this.strategy.calculate(this.salary);//返回年终奖
}
var bonus = new Bonus();
bonus.setSalary(1000);
bonus.setStrategy(new performanceS());
console.log(bonus.getBonus());
/*-------------基于js--------------*/
//策略类
var strategies = {
‘S‘: function (salary) {
return salary * 4;
},
‘A‘: function (salary) {
return salary * 3;
}
}
//环境类
var calculateBonus = function (level, salary) {
return strategies[level](salary);
}
console.log(calculateBonus(‘S‘, 1000));
</script>
</body>
</html>
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原文地址：http://www.cnblogs.com/yc-code/p/4619361.html
