jquery仿百度經驗滑動切換浏覽效果
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 $(function() { wordStrong(); $("#content ul").width($("#content ul li:first").width()*$("#content ul li").length); $("#header .top_right .vote").hover(function() { $(this).children(".hover-tip").css("display", "block"); $(this).children(".num").css("display", "none"); }, function() { $(this).children(".hover-tip").css("display", "none"); $(this).children(".num").css("display", "block"); }); $("#content .left, #content .right").width(($(document).width()-$("#content").width())/4); $("#content .left").css("left", -$("#content .left").width()); $("#content .right").css("right", -$("#content .right").width()); var showId = 0; $("#content span.left").hover(function() { if ( checkFirst() ) return ; $(this).css("cursor", "pointer"); $(this).siblings(".sl").stop().animate({ opacity:0.5 }); }, function() { $(this).siblings(".sl").stop().animate({ opacity:0 }); }).click(function() { if ( checkFirst() ) return ; showId --; $("#content").attr("showId", showId); $("#footer li").children().removeClass("active").end().children().eq(showId).addClass("active"); center(showId); }); $("#content span.right").hover(function() { if ( checkLast() ) return ; $(this).css("cursor", "pointer"); $(this).siblings(".sr").stop().animate({ opacity:0.5 }); }, function() { $(this).siblings(".sr").stop().animate({ opacity:0 }); }).click(function() { if ( checkLast() ) return ; showId ++; $("#content").attr("showId", showId); $("#footer li").children().removeClass("active").end().children().eq(showId).addClass("active"); center(showId); }); function checkFirst() { if ( $("#content").attr("showId") == 0 ) { $("#content span.left").css("cursor", "default"); return true; } return false; } function checkLast() { if ( $("#content").attr("showId") == $("#content ul li").length-1 ) { $("#content span.right").css("cursor", "default"); return true; } return false; } /* 首字母大寫 */ function wordStrong() { var liList = $("#content ul li"); for (var j = 0; j < liList.length; j ++) { var pList = $("#content .cont_"+(j+1)+" .cont_word p"); for (var i = 0; i < pList.length; i ++) { var p = pList.get(i); var pCont = $(p).html(); var s = $("<b>"+(i+1)+"</b>"); s.css("font-size", "24px"); $(p).html(''); s.appendTo(p); $(p).append(pCont.substring(1)); } } } center(0); //相對li居中 function center(liIndex) { var li = $("#content ul li").css("opacity", 0.3).eq(liIndex).css("opacity", 1); $("#content ul").animate({ left: (-li.width()*liIndex) }); } var footLen = $("#content ul li").length; var foots = $("#footer ul"); for (var i = 1; i < footLen-1; i ++) { var childA = $("<a>").html(i); childA.attr("href", "#"); $("<li>").append(childA).insertBefore(foots.children("[step=last]")).attr("step", i); } foots.children(":last").attr("step", footLen-1); foots.css("left", ($(window).width()-foots.width())/2); $("#footer li").click(function() { $("#footer ul li").children().removeClass("active"); $(this).children().addClass("active"); center($(this).attr("step")); }); function myAddEvent(obj, e, fn) { if ( obj.attachEvent ) { obj.attachEvent('on'+e, fn); }else obj.addEventListener(e, fn, false); } function onMouseWheel(ev) { var ev = ev||event; //IE //wheelDelta 下滾：負， 上滾：下 //alert(oEvent.wheelDelta); //FF //detail: 下滾:正, 上滾: 負 //alert(oEvent.detail) var bDown = true; if ( ev.wheelDelta ) { bDown = ev.wheelDelta<0; }else { bDown = ev.detail>0; } if ( !bDown ) { if ( checkFirst() ) return ; showId --; } else { if ( checkLast() ) return ; showId ++; } $("#content").attr("showId", showId); $("#footer ul li").children().removeClass("active").end().eq(showId).children().addClass("active"); center(showId); if ( oEvent.preventDefault ) { oEvent.preventDefault(); } return false; } myAddEvent(window, 'mousewheel', onMouseWheel); myAddEvent(window, 'DOMMouseScroll', onMouseWheel); });