jQuery implements page turning plugin

Using the editor: vs code

Mainly used technology: css3 + jQuery

Welcome to add QQ: 1759668379 to discuss together

html: Nothing is written in the html this time. The main thing is to use the for loop to dynamically generate the structure in the js file.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Page turning plugin</title>
    <link rel="stylesheet" href="fycj.css">
</head>
<body>
    <div class="page"></div>
    <script src="jquery.js"></script>
    <script src="fycj.js"></script>
    <script>
        $('.page').create({
            pageCount:20,//Total number of pages
            current:5,//current page number
            backFn:function(p){}//Callback function
        })
    </script>
</body>
</html>

css file:

*{
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
}
.page{
    width: 500px;
    height: 200px;
    margin: 100px auto;
}
.page a,
.page .noPre,
.current{
    display: inline-block;
    padding: 0 10px;
    height: 20px;
    line-height: 20px;
    border: 1px solid #ddd;
    color: #428bca;
    border-radius: 4px;
    vertical-align: middle;
    margin-left: 5px;
}
.page a:hover{
    border:1px solid #428bca;
}
.page .noPre{
    background-color: #ddd;
    color: #eee;

}
.page .current{
    background-color: #428bca;
    color:#eee;
}

js file: see the comments for the content

(function(){
    //Entry function
    function init(dom,arg){
        / / Determine whether the incoming page number meets the standard
        if(arg.current <= arg.pageCount){
            fillhtml (dom, arg);
            bindEvent (dom, arg);
        }else{
            alert('Please enter the correct page number')
        }
    }
    // Dynamically build web content
    function fillhtml(dom,arg){
        //Clear the page layout
        dom.empty();
        //Roughly divided into three parts: previous page, middle page number, next page
        //previous page
        //The previous page is divided into two types: clickable and non-clickable
        if(arg.current > 1){
            dom.append('<a class="prePage" href="#">上一页</a>');
        }else {
            dom.remove('.prePage');
            dom.append('<span class="noPre">上一页</span>');
        }
        //intermediate page number
        //The middle page number is divided into 5 page numbers that can be displayed in the middle and ... and the page numbers at both ends
        //First page
        if(arg.current != 1 && arg.current > 3){
            dom.append('<a class="tcdNum" href="#">1</a>');
        }
        //Determine whether the current page is greater than 3 from the first page, if so, you need to...
        if(arg.current-3 > 1){
            dom.append('<span>...</span>');
        }
        / / Determine the page number that needs to be displayed in the middle
        var start = arg.current-2;
        var end = arg.current + 2;
        for(;start <= end;start++){
            //Determine whether the start page is greater than 1 and less than the maximum page number
            if(start >= 1 && start <= arg.pageCount){
                // Determine if the page is selected
                if(start == arg.current){
                    dom.append('<span class="current">'+start+'</span>');
                } else {
                    dom.append('<a class="tcdNum" href="#">'+start+'</a>');
                }
            }
        }
        //backwards...
        if(arg.current+3 < arg.pageCount){
            dom.append('<span>...</span>');
        }
        //the last page
        if(arg.current != arg.pageCount && arg.current < arg.pageCount-2){
            dom.append('<a class="tcdNum" href="#">'+arg.pageCount+'</a>');
        }
        //Next page
        //The next page is similar to the previous page
        if(arg.current < arg.pageCount){
            dom.append('<a class="nextPage" href="#">下一页</a>');
        }else {
            dom.remove('.prePage');
            dom.append('<span class="noPre">下一页</span>')
        }
    }
    //handle click event
    function bindEvent (dom, arg) {
        // Divided into click on the previous page, click on the page number and click on the next page
        //click on the previous page
        //Get the current page, -1 and then call fillhtml to redraw the page
        dom.on('click','.prePage',function(){
            var cur=parseInt(dom.children('.current').text());
            fillhtml(dom,{'current':cur-1,'pageCount':arg.pageCount});
            if(typeof arg.backFn=='function'){
                arg.backFn(cur-1);
            }
        })
        //click page number
        //Get the clicked page number, call fillhtml to redraw the page
        dom.on('click','.tcdNum',function(){
            var cur=parseInt($(this).text());
            fillhtml(dom,{'current':cur,'pageCount':arg.pageCount});
            if(typeof arg.backFn=='function'){
                arg.backFn(cur);
            }
        })
        //click next page
        //Get the current page, +1 and then call fillhtml to redraw the page
        dom.on('click','.nextPage',function(){
            var cur=parseInt(dom.children('.current').text());
            fillhtml(dom,{'current':cur+1,'pageCount':arg.pageCount});
            if(typeof arg.backFn=='function'){
                arg.backFn(cur+1);
            }
        })
    }
    //Extend jquery wrapper function
    $.fn.create=function(option){
//
// extend function: when calling create, if the parameter option is passed
// use the passed parameters, otherwise use the predefined parameters
//
        var arg = extend. extend (
            pageCount:10,
            current:2,
            backFn:function(){}
        },option)
        init(this,arg);
    }
})(jQuery);

Effect picture:

Comments and corrections are welcome.

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jQuery implements page turning plugin

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