在JavaScript中可以使用类的prototype属性来扩展类的属性和方法,在实际开发当中,当JavaScript内置的那些类所提供的动态方法和动态属性不满足我们实际开发时,我们就可以通过"prototype"属性给自定义类添加方法和属性或者扩展原有的类中的方法和属性。
一、扩展JavaScript内置类,添加动态方法
语法格式:
类名.prototype.方法名 = function([param1],[param2],....[paramn]) {
.................
}
[param1],[param2],....[paramn]这些参数都是可选的
使用这种方式给类添加的扩展方法都是动态的,动态方法是针对类的实例对象的,所以调用必须要用"对象.方法名"的形式去调用,不能用"类名.方法名"的形式去调用!
1.1、使用prototype属性扩展String类
String类是JavaScript内置的一个类,但是这个String类没有quote方法,此时就可以使用String类的prototype属性去扩展String类了,为String类添加一个实例方法(动态方法),这样每一个String类对象就都有quote方法了,这就达到了将String类扩展的效果,增强了String类的使用。
1 /*扩展为String类,为String类增加quote(两边加字符)方法*/
2 String.prototype.quote = function(quotestr) {
3 if (!quotestr) {
4 quotestr = "\"";
5 }
6 return quotestr + this + quotestr;
7 };
测试String类新添加的quote方法
1 alert("abc".quote());
2 alert("abc".quote("|"));
测试结果:
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" alt="" />
1.2、使用prototype扩展Number类
1 Number.prototype.add=function(n){
2 //哪个对象调用this所在的函数,那么this代表的就是哪个对象实例
3 return this+n;
4 }
测试Number类新添加的add方法
1 var i= new Number(10);//等价于var i=10;
2 alert("i.Add(10).Add(30)的结果是:"+i.Add(10).Add(30));
3 var b=40;
4 alert("b.Add(90)的结果是:"+b.Add(90));
测试结果:
aaarticlea/png;base64,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" 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" alt="" />
1.3、使用prototype扩展Array类
1 Array.prototype.findVal=function(val){
2 var index=-1;
3 //哪个对象调用this所在的函数,那么this代表的就是哪个对象实例
4 for(var i=0;i<this.length;i++){
5 if(val==this[i]){
6 index=i;
7 break;
8 }
9 }
10 return index;
11 }
测试Array类新添加的findVal方法
1 var arr = new Array();
2 arr[0]="孤傲苍狼";
3 arr[1]="白虎神皇";
4 arr[2]="灭世魔尊";
5 alert("arr.FindVal(\"白虎神皇\")返回的索引是:"+arr.FindVal("白虎神皇"));
测试结果:
aaarticlea/png;base64,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" alt="" />
以上三个小例子就是使用类的prototype属性扩展了String类,Number类,Array类,分别给这三个类添加了本身不存在的quote,add,findVal方法,JavaScript所有的类都可以使用prototype去扩展,当觉得类本身提供的方法和属性不满足实际应用需求时,就可以根据需要进行扩展,为类添加新的方法和属性,增强类的使用功能!
二、扩展JavaScript内置类,添加静态方法
JavaScript是可以给类添加静态的扩展方法的,语法格式如下:
类名.方法名 = function([param1],[param2],....[paramn]) {
.................
}
[param1],[param2],....[paramn]这些参数都是可选的
使用这种方式给类添加的扩展方法都是静态的,动态方法是针对类的实例对象的,所以调用必须要用"对象.方法名"的形式去调用,而静态方法是针对类的,用"类名.方法名"的形式去调用!
C#中的String类有一个静态的Format方法非常强大,在拼接字符串时特别方便,JavaScript的String类并没有Format方法,但是我们可以去扩展String类,为String类添加类似C#中的String类的静态的Format方法
范例:扩展String类,添加Format静态方法,模仿C#中的String.Format方法
1 // ----------------------------------------------------------------------
2 // <summary>
3 // 扩展String类,添加Format静态方法,模仿C#中的String.Format方法
4 // </summary>
5 // <returns>str</returns>
6 // ----------------------------------------------------------------------
7 if (!String.Format) {
8 String.Format = function () {
9 if (arguments.length == 0) {
10 return null;
11 }
12 var str = arguments[0];
13 if (arguments[1] instanceof Array) {
14 var arr = arguments[1];
15 for (var i = 0; i < arr.length; i++) {
16 var re = new RegExp('\\{' + i + '\\}', 'gm');
17 str = str.replace(re, arr[i]);
18 }
19 } else {
20 for (var i = 1; i < arguments.length; i++) {
21 var re = new RegExp('\\{' + (i - 1) + '\\}', 'gm');
22 str = str.replace(re, arguments[i]);
23
24 }
25 }
26 return str;
27 }
28 }
测试为String类扩展的Format静态方法
1 var str="我是{0},我在总结{1}和{2}的学习,我很喜欢{3}这2门语言!";
2 //使用"类名.方法名"的形式去调用类的静态方法
3 str = String.Format(str,"孤傲苍狼","java","JavaScript","'java'和'JavaScript'");//把str中的占位符{0},{1},{2},{3}用具体的内容替换掉
4 alert(str);
运行结果:
aaarticlea/png;base64,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*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" 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这个小例子就是扩展了String类,给String类添加了一个静态的Format方法,JavaScript所有的类都可以添加静态扩展方法,当觉得类本身提供的静态方法和静态属性不满足实际应用需求时,就可以根据需要进行扩展,为类添加新的静态方法和静态属性,增强类的使用功能!
以上就是对JavaScript编写类的扩展方法的总结,大家可以根据实际情况对JavaScript内置的那些类编写扩展方法,满足在开发中实际需求!有一个比较著名的prototype.js库就是针对JavaScript内置的那些类进行扩展,编写了大量的扩展方法!学习编写JavaScript扩展方法时,可以去多多参考prototype.js的写法,我本人现在也在看prototype.js的源码,过段时间再和大家分享我的心得吧!文章中如果有写得不对的地方,欢迎朋友们指正,感激不尽!