日期:2014-05-16 浏览次数:20389 次
01.<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 02. 03.<html xmlns="http://www.w3.org/1999/xhtml"> 04.<head> 05.<title></title> 06.<script type="text/javascript"> 07.function dw(s) { 08.document.write(s + "<br />"); 09.} 10.//一个一个复制父类的属性 11.Function.prototype.extendcopy = function(obj) { 12.for(var each in obj){ 13.this.prototype[each] = obj[each]; 14.} 15.} 16. 17.//警察 18.function PoliceMan() { 19.var m_lifeEnergy = 100; 20.this.getLifeEnergy = function () { 21.return m_lifeEnergy; 22.} 23.this.Shot = function () { 24.m_lifeEnergy -= 1; 25.} 26.this.Repair = function() { 27.m_lifeEnergy += 1; 28.} 29.} 30. 31.//超级警察 32.function SuperPoliceMan() { 33.this.Flight = function() { 34. 35.} 36.} 37.//复制继承 38.SuperPoliceMan.extendcopy(new PoliceMan()); 39. 40.//创建一个超级警察 41.var pm = new SuperPoliceMan(); 42.//显示当前生命值 43.dw(pm.getLifeEnergy()); 44.//中枪生命值减1 45.pm.Shot(); 46.//显示当前生命值 47.dw(pm.getLifeEnergy()); 48.//飞离地面 49.pm.Flight(); 50.//自我修复 51.pm.Repair(); 52.//显示当前生命值 53.dw(pm.getLifeEnergy()); 54.</script> 55.</head> 56.<body> 57. 58.</body> 59.</html>