
如何利用vuejs指令实现不同分辨率适配?下面web建站小编给大家详细介绍一下实现代码!
兼容不同分辨率适配代码
// 缩放指令
import Vue from "vue";
function transformScale(el, options) {
const { target = "width", origin = "top left" } = options;
Vue.nextTick(() => {
// 获取显示区域高宽
const width = window.innerWidth;
const height = window.innerHeight;
el.style.transformOrigin = origin;
if (target === "ratio") {
const scaleX = width / CONF.width;
const scaleY = height / CONF.height;
el.style.transform = `scaleX(${scaleX}) scaleY(${scaleY})`;
} else {
let scaleProportion = 1;
if (target === "width") {
scaleProportion = width / CONF.width;
}
if (target === "height") {
scaleProportion = height / CONF.height;
}
el.style.transform = `scale(${scaleProportion})`;
}
});
}
function inserted(el, binding) {
const options = binding.options || { passive: true };
const callback = () => transformScale(el, binding.value);
window.addEventListener("resize", callback);
callback();
el._onResize = {
callback,
options
};
}
function unbind(el) {
if (!el._onResize) {
return;
}
const { callback } = el._onResize;
window.removeEventListener("resize", callback);
delete el._onResize;
}
export const Scale = {
inserted,
unbind
};
export default Scale;
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