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jquery自适应布局的简单实例

2019-01-04 jQuery 前端之家

前端之家收集整理的这篇文章主要介绍了jquery自适应布局的简单实例，前端之家小编觉得挺不错的，现在分享给大家，也给大家做个参考。

代码整理 - uix.layout.js

页面布局 * 290353142@qq.com

exp:
$.uix.layout();//执行布局
class="uix-layout-container";//标识布局容器
class="uix_Box";//用于调整布局时将此元素高度铺满父容器(支持设置padding\margin\border)
例：

html1:div中
<div class="uix-layout-container">
<div class="uix-layout-north">

html2:body中

html3:嵌套

js:
页面结构动态修改后调用 $.uix.layout()即可,若无动态修改则无需做操作

*/
(function (undefined) {
//配置
var config = {
useUixLayout: true,//启用
isDebugger: true,//是否开启日志输出
version: "V201508171400",//版本
filename: "uix.layout.js",//脚本名称
timeout: 500 //布局间隔
};

//日志输出
var log = function () { }
if (typeof console != "undefined" && console.log) {
log = function (context,checklog) {
if (typeof checklog != "undefined" || config.isDebugger)
console.log("%c" + "[uix.layout]","color:green;",context);
}
}

//加载日志
log("加载中",true);
if (!config.useUixLayout) { log("已停止加载[uix.layout 未启用]",true); return; }
if (typeof $ == "undefined") { log("已停止加载[需要jQuery支持]",true); return; }
if (typeof $.uix != "undefined") { log("已停止加载[已加载过]",true); return; }
log("日志状态[" + (config.isDebugger ? "启用" : "禁用") + "]",true);

var tool = {
selecter: ".uix_Box",//uix_Box高宽自适应
setAutoBox: function (inputSelecter) {
var sel = inputSelecter || tool.selecter;
$(sel).each(function () {
var o = $(this);
var p = o.parent();
var s = tool.getEleSize(o);
o.height(p.height() - s.otherHeight - tool.getCV(o,["marginTop","marginBottom"]));
o.width(p.width() - s.otherWidth - tool.getCV(o,["marginLeft","marginRight"]));
})
},getCV: function (ele,cn) {
var s = 0;
if (typeof cn == "string") cn = [cn];
$(cn).each(function (i,o) {
var v;
s += isNaN(v = parseInt(ele.css(o))) ? 0 : v;
});
return s;
},getOtherHeight: function ($obj) { return $obj.outerHeight() - $obj.height() },getOtherWidth: function ($obj) { return $obj.outerWidth() - $obj.width() },getEleSize: function ($objs) {
var rev = { height: 0,width: 0,otherHeight: 0,otherWidth: 0,outerHeight: 0,outerWidth: 0,children: [] };
for (var i = 0; i < $objs.length; i++) {
var o = $($objs[i]);
var h = o.height(),w = o.width(),oh = o.outerHeight(),ow = o.outerWidth();
var c = { height: h,width: w,otherHeight: oh - h,otherWidth: ow - w,outerHeight: oh,outerWidth: ow,ele: o }
rev.height += c.height;
rev.width += c.width;
rev.otherHeight += c.otherHeight;
rev.otherWidth += c.otherWidth;
rev.outerHeight += c.outerHeight;
rev.outerWidth += c.outerWidth;
rev.children.push(c);
}
return rev;
},log: log
}

var uixlayout = {
tool: tool,layout: function (cssname) {
var timeout = function () {
tool.log("开始布局[" + window.__uixlayoutstate + "]");
var pares = $(".uix-layout-container");
pares.each(function (obj,i) {
$.uix.initLayout($(this));
});
$.uix.setGrid($(".uix_grid")); //自适应表格
tool.log("布局完毕[" + window.uixlayoutstate + "]");
window.uixlayoutstate = false;
}

//如果已经有了一个待执行的操作，则取消之
if (typeof window.__uixlayoutstate == "number") {
  tool.log("取消布局[" + window.__uixlayoutstate + "]");
  window.clearTimeout(window.__uixlayoutstate);
}

//<a href="https://www.jb51.cc/tag/tianjia/" target="_blank" class="keywords">添加</a>一个新操作在待执行序列中
window.__uixlayoutstate = setTimeout(timeout,config.timeout);
tool.log("等待布局[" + window.__uixlayoutstate + "] 等待" + config.timeout + "ms");
return;

},initLayout: function (pare) {
var parent;
if (pare[0].tagName.toUpperCase() == "BODY") {
parent = { height: $(window).height(),width: $(window).width() };
var marginHeight = tool.getCV($(pare),"marginBottom"]);
parent.height -= marginHeight;
}
else {
parent = { height: $(pare[0]).height(),width: $(pare[0]).width() };
var marginHeight = tool.getCV($(pare),"marginBottom"]);
parent.height -= marginHeight;
}

parent.element = pare;

if (pare[0].tagName.toUpperCase() == "BODY") {
  pare.height(parent.height);
}

var eles = {
  north: pare.children(".uix-layout-north:visible"),south: pare.children(".uix-layout-south:visible"),east: pare.children(".uix-layout-east:visible"),west: pare.children(".uix-layout-west:visible"),center: pare.children(".uix-layout-center:visible")
}
var s = {
  parent: parent,norths: tool.getEleSize(eles.north),souths: tool.getEleSize(eles.south),centers: tool.getEleSize(eles.center),easts: tool.getEleSize(eles.east),wests: tool.getEleSize(eles.west)
}
//debugger;
s.centers.outerHeight = s.parent.height - s.norths.outerHeight - s.souths.outerHeight;
s.centers.height = s.centers.outerHeight - s.centers.otherHeight;
s.centers.outerWidth = s.parent.width - s.wests.outerWidth - s.easts.outerWidth;
s.centers.width = s.centers.outerWidth - s.centers.otherWidth;

tool.log(s);

var autoHeight = parent.height - s.norths.outerHeight - s.souths.outerHeight;
var autoWidth = parent.width - s.wests.outerWidth - s.easts.outerWidth;

var cheight = s.centers.height;
var cwidth = s.centers.width;
eles.north.css({ margin: "0px" });
eles.south.css({ margin: "0px" });

var left = 0; //,parentBordr.left
var top = s.norths.outerHeight; //parentBordr.top; + ;

//考虑加入前置<a href="https://www.jb51.cc/tag/hanshu/" target="_blank" class="keywords">函数</a>
//在改变布局前先改变子元素

for (var i = 0; i < s.wests.children.length; i++) {
  var item = s.wests.children[i];
  var westheight = autoHeight - item.otherHeight;
  item.ele.css({ position: "absolute",left: left + "px",right: "auto",top: top + "px",bottom: "auto",height: westheight + "px",display: "block",margin: "0px" });
  left += item.outerWidth;
}

var right = 0; // parentBordr.right;
for (var i = 0; i < s.easts.children.length; i++) {
  var item = s.easts.children[i];
  var eastheight = autoHeight - item.otherHeight;
  item.ele.css({ position: "absolute",right: right + "px",left: "auto",height: eastheight + "px",margin: "0px" });
  right += item.outerWidth;
}

eles.center.css({ height: cheight,"marginLeft": s.wests.outerWidth,"marginRight": s.easts.outerWidth });
tool.log("整体布局完成");

tool.log("开始检测回调<a href="https://www.jb51.cc/tag/hanshu/" target="_blank" class="keywords">函数</a> <a href="https://www.jb51.cc/tag/tishi/" target="_blank" class="keywords">提示</a>：可设置window.uixAfterResize值[false:禁用回调|function:<a href="https://www.jb51.cc/tag/zidingyi/" target="_blank" class="keywords">自定义</a>回调|undefined(默认):<a href="https://www.jb51.cc/tag/zidong/" target="_blank" class="keywords">自动</a>检测]");
this.resizecontral(s);
tool.log("回调<a href="https://www.jb51.cc/tag/hanshu/" target="_blank" class="keywords">函数</a>处理完毕");

$.uix.tool.setAuto<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>(); //uix_<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a> 高宽自适应

},resizecontral: function (sizes) {
//调整布局内常用版式
//检查用户设置的 uixAfterResize 变量，
// boolean fale：不进行排盘，
// function 调用自定义函数，
// undefined 自动检测所属版式
if (typeof window.uixAfterResize == "boolean" && window.uixAfterResize == false) {
tool.log("禁用自动解析回调[window.uixAfterResize==false]");
return;
}

if (typeof window.uixAfterResize == "function") {
  tool.log("<a href="https://www.jb51.cc/tag/diaoyong/" target="_blank" class="keywords">调用</a><a href="https://www.jb51.cc/tag/zidingyi/" target="_blank" class="keywords">自定义</a>回调<a href="https://www.jb51.cc/tag/hanshu/" target="_blank" class="keywords">函数</a>[window.uixAfterResize=function]");
  window.uixAfterResize(sizes);
  return;
}
if (typeof window.uixAfterResize == "undefined") {
  tool.log("使用<a href="https://www.jb51.cc/tag/zidong/" target="_blank" class="keywords">自动</a>解析回调[window.uixAfterResize=undefined]");
  var n = sizes.norths.children.length;
  var w = sizes.wests.children.length;
  var e = sizes.easts.children.length;
  var c = sizes.centers.children.length;
  var s = sizes.souths.children.length;
  tool.log("解析<a href="https://www.jb51.cc/tag/yemian/" target="_blank" class="keywords">页面</a>结构"
  + " north[" + n + "] "
  + " west[" + w + "] "
  + " east[" + e + "] "
  + " south[" + s + "] "
  + " center[" + c + "]");

  //判断界面结构,选择合适的回调<a href="https://www.jb51.cc/tag/fangfa/" target="_blank" class="keywords">方法</a>,if (w == 0 && e == 0 && c == 1) {
    $.uix.afterResize1(sizes);
  }
  if (w == 1 && e == 0 && c == 1) {
    $.uix.afterResize2(sizes);
  }
  return;
}

},initpage: function () {
log("等待页面加载完成后初始化",true);
$(window.document.body).ready(function () {
if ($(".uix-layout-container").length == 0) { log("已停止加载[未发现.uix-layout-container]",true); return; }
$.uix.tool.log("触发布局[window onload]");
$.uix.layout();
$(window).bind("resize",function () {
$.uix.tool.log("触发布局[window onresize]");
$.uix.layout();
});
$(".uix-layout-north,.uix-layout-south,.uix-layout-east,.uix-layout-west").bind("resize",function () {
$.uix.tool.log("触发布局[uix-layout-" + $(this).attr("class") + " onresize]");
$.uix.layout();
});
log("初始化完毕",true);
});
},afterResize1: function (size) {
//特定结构回调1
},afterResize2: function (size) {
//特定结构回调2
}
};
$.extend({ uix: uixlayout });
log("加载完毕",true);
$.uix.initpage();
})();