前台常用封装（二）

傷城~ 2022-07-16 00:17 161阅读 0赞

![复制代码][copycode.gif]

![复制代码][copycode.gif]

我们写一个页面测试一下。

![复制代码][copycode.gif]

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>Insert title here</title>
    <script type="text/javascript" src="ArrayList.js"></script>
    <script type="text/javascript">
    window.print = function(value) {
        document.write(value);
    };
    
    window.println = function(value) {
        print(value);
        document.write("<br/>");
    };
    
    window.onload = function()
    {
        var list = new ArrayList();
        list.add("jack");
        list.add(43);
        list.add(true);
        
        println(list.get(0));
        println(list.get(1));
        println(list.get(2));
        println(list.get(3));
        println("----------------------");
        
        println(list.size());
        
        list.remove(2);
        println(list);
        println("----------------------");
        
        println(list.isEmpty());
        list.clear();
        println(list.isEmpty());
        println("----------------------");
        
        list.add("jack");
        list.add(43);
        list.add(true);
        var list2 = new ArrayList();
        list2.addAll(list);
        println(list2);
        println("----------------------");
        
        list2.insert(1,"male");
        println(list2);
        println("----------------------");
        
        list2.removeValue(true);
        println(list2);
        println("----------------------");
        
        list2.insertAll(2,list);
        println(list2);
        println("----------------------");
        
        println(list2.contains("jack"));
        println("----------------------");
        
        list2.clear();
        list2.add(1111);
        list2.add(222);
        list2.add(33);
        list2.add(4);
        
        list2.sort();//按字母顺序排
        println(list2);
        println("----------------------");
        
        list2.sort(true);//按数字顺序排
        println(list2);
        println("----------------------");
    }
    </script>
    </head>
    <body>
    
    </body>
    </html>

![复制代码][copycode.gif]

输出结果如下：

![复制代码][copycode.gif]

jack
    43
    true
    null
    ----------------------
    3
    [jack,43]
    ----------------------
    false
    true
    ----------------------
    [jack,43,true]
    ----------------------
    [jack,male,43,true]
    ----------------------
    [jack,male,43]
    ----------------------
    [jack,male,jack,43,true,43]
    ----------------------
    true
    ----------------------
    [1111,222,33,4]
    ----------------------
    [4,33,222,1111]
    ----------------------

![复制代码][copycode.gif]

[copycode.gif]: /images/20220716/a3b03f41c7364890aa1acf3628b1f3eb.png