81 lines
3.2 KiB
JavaScript
81 lines
3.2 KiB
JavaScript
! function(N, M) {
|
|
function L() {
|
|
var a = I.getBoundingClientRect().width;
|
|
a / F > 540 && (a = 540 * F);
|
|
var d = a / 10;
|
|
I.style.fontSize = d + "px", D.rem = N.rem = d
|
|
}
|
|
var K, J = N.document,
|
|
I = J.documentElement,
|
|
H = J.querySelector('meta[name="viewport"]'),
|
|
G = J.querySelector('meta[name="flexible"]'),
|
|
F = 0,
|
|
E = 0,
|
|
D = M.flexible || (M.flexible = {});
|
|
if (H) {
|
|
// console.warn("将根据已有的meta标签来设置缩放比例");
|
|
var C = H.getAttribute("content").match(/initial\-scale=([\d\.]+)/);
|
|
C && (E = parseFloat(C[1]), F = parseInt(1 / E))
|
|
} else {
|
|
if (G) {
|
|
var B = G.getAttribute("content");
|
|
if (B) {
|
|
var A = B.match(/initial\-dpr=([\d\.]+)/),
|
|
z = B.match(/maximum\-dpr=([\d\.]+)/);
|
|
A && (F = parseFloat(A[1]), E = parseFloat((1 / F).toFixed(2))), z && (F = parseFloat(z[1]), E = parseFloat((1 / F).toFixed(2)))
|
|
}
|
|
}
|
|
}
|
|
if (!F && !E) {
|
|
var y = N.navigator.userAgent,
|
|
x = (!!y.match(/android/gi), !!y.match(/iphone/gi)),
|
|
w = x && !!y.match(/OS 9_3/),
|
|
v = N.devicePixelRatio;
|
|
F = x && !w ? v >= 3 && (!F || F >= 3) ? 3 : v >= 2 && (!F || F >= 2) ? 2 : 1 : 1, E = 1 / F
|
|
}
|
|
if (I.setAttribute("data-dpr", F), !H) {
|
|
if (H = J.createElement("meta"), H.setAttribute("name", "viewport"), H.setAttribute("content", "initial-scale=" + E + ", maximum-scale=" + E + ", minimum-scale=" + E + ", user-scalable=no"), I.firstElementChild) {
|
|
I.firstElementChild.appendChild(H)
|
|
} else {
|
|
var u = J.createElement("div");
|
|
u.appendChild(H), J.write(u.innerHTML)
|
|
}
|
|
}
|
|
N.addEventListener("resize", function() {
|
|
clearTimeout(K), K = setTimeout(L, 300)
|
|
}, !1), N.addEventListener("pageshow", function(b) {
|
|
b.persisted && (clearTimeout(K), K = setTimeout(L, 300))
|
|
}, !1), "complete" === J.readyState ? J.body.style.fontSize = 12 * F + "px" : J.addEventListener("DOMContentLoaded", function() {
|
|
J.body.style.fontSize = 12 * F + "px"
|
|
}, !1), L(), D.dpr = N.dpr = F, D.refreshRem = L, D.rem2px = function(d) {
|
|
var c = parseFloat(d) * this.rem;
|
|
return "string" == typeof d && d.match(/rem$/) && (c += "px"), c
|
|
}, D.px2rem = function(d) {
|
|
var c = parseFloat(d) / this.rem;
|
|
return "string" == typeof d && d.match(/px$/) && (c += "rem"), c
|
|
}
|
|
}(window, window.lib || (window.lib = {}));
|
|
|
|
var user_sb_h = getBrowserInterfaceSize().pageHeight;
|
|
var user_sb_w = getBrowserInterfaceSize().pageWidth;
|
|
|
|
function getBrowserInterfaceSize() {
|
|
var pageWidth = window.innerWidth;
|
|
var pageHeight = window.innerHeight;
|
|
|
|
if (typeof pageWidth != "number") {
|
|
//在标准模式下面
|
|
if (document.compatMode == "CSS1Compat") {
|
|
pageWidth = document.documentElement.clientWidth;
|
|
pageHeight = document.documentElement.clientHeight;
|
|
} else {
|
|
pageWidth = document.body.clientWidth;
|
|
pageHeight = window.body.clientHeight;
|
|
}
|
|
}
|
|
|
|
return {
|
|
pageWidth: pageWidth,
|
|
pageHeight: pageHeight
|
|
}
|
|
} |