經過幾天的思考與不斷的實踐，做一個具體的作品時，應在動手之前先設計好開發項目的模型以及所要實現的功能，
覺不能一邊做一邊去思考，否則，你會感覺到在做的過程中老是覺得對自己實現的樣式感覺不滿意，會對它不斷地修改，
不斷地嘗試，此時，你會覺得很無奈，不僅無法使作品更好的完成，也會使自己變得浮躁。導致中途放棄。
就拿我做的頁面來說吧！一開始就只想簡簡單單的做一個網頁，可是後面在做的過程中，感覺就想完善以下頁面的功能以及美化一下頁面，
可是導致後面困難重重，一時之間沒法進行下去。總之困難還有的。希望大家一起完善這個網頁大家一起交流。
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background: #1e282c;20 border-left-color: #3c8dbc; }21 .sidebar-menu > li > .treeview-menu {22 margin: 0 1px;23 background: #2c3b41; }24 .sidebar-menu > li .label,25 .sidebar-menu > li .badge {26 margin-top: 3px;27 margin-right: 5px; }28 .sidebar-menu li.header {29 padding: 10px 25px 10px 15px;30 font-size: 12px;31 color: #4b646f;32 background: #3434346; }33 .sidebar-menu li > a > .fa-angle-left {34 width: auto;35 height: auto;36 padding: 0;37 margin-right: 10px;38 margin-top: 3px; }39 .sidebar-menu li.active > a > .fa-angle-left {40 transform: rotate(-90deg); }41 .sidebar-menu li.active > .treeview-menu {42 display: block; }43 .sidebar-menu a {44 color: #b8c7ce;45 text-decoration: none; }46 .sidebar-menu .treeview-menu {47 display: none;48 list-style: none;49 padding: 0;50 margin: 0;51 padding-left: 5px; }52 .sidebar-menu .treeview-menu .treeview-menu {53 padding-left: 20px; }54 .sidebar-menu .treeview-menu > li {55 margin: 0; }56 .sidebar-menu .treeview-menu > li > a {57 padding: 5px 5px 5px 15px;58 display: block;59 font-size: 14px;60 color: #8aa4af; }61 .sidebar-menu .treeview-menu > li > a > .fa {62 width: 20px; }63 .sidebar-menu .treeview-menu > li > a > .fa-angle-left,64 .sidebar-menu .treeview-menu > li > a > .fa-angle-down {65 width: auto; }66 .sidebar-menu .treeview-menu > li.active > a, .sidebar-menu .treeview-menu > li > a:hover {67 color: #fff; } js code 1 $.sidebarMenu = function(menu) { 2 var animationSpeed = 300; 3 4 $(menu).on('click', 'li a', function(e) { 5 var $this = $(this); 6 var checkElement = $this.next(); 7 8 if (checkElement.is('.treeview-menu') && checkElement.is(':visible')) { 9 checkElement.slideUp(animationSpeed, function() {10 checkElement.removeClass('menu-open');11 });12 checkElement.parent("li").removeClass("active");13 }14 15 //If the menu is not visible16 else if ((checkElement.is('.treeview-menu')) && (!checkElement.is(':visible'))) {17 //Get the parent menu18 var parent = $this.parents('ul').first();19 //Close all open menus within the parent20 var ul = parent.find('ul:visible').slideUp(animationSpeed);21 //Remove the menu-open class from the parent22 ul.removeClass('menu-open');23 //Get the parent li24 var parent_li = $this.parent("li");25 26 //Open the target menu and add the menu-open class27 checkElement.slideDown(animationSpeed, function() {28 //Add the class active to the parent li29 checkElement.addClass('menu-open');30 parent.find('li.active').removeClass('active');31 parent_li.addClass('active');32 });33 }34 //if this isn't a link, prevent the page from being redirected35 if (checkElement.is('.treeview-menu')) {36 e.preventDefault();37 }38 });39 } " _ue_custom_node_="true">以上就是旅遊網站首頁的內容，更多相關內容請關注PHP中文網（www.php.cn）！
