vue iview多张图片大图预览、缩放翻转

} else {
//需要去除前一张图片的效果
imageE.style.height = window.innerHeight + "px";
imageE.style.top = "0";
imageE.style.position = "relative";
imageE.style.transform = "translateY(0%)";
imageE.style.zoom = "100%";
}
};
}
break;
}
}
},
createShowImage() {
//创建图片显示
let main = document.getElementsByClassName("main");
let topContainer = document.createElement("div");
let scrollContainer = document.createElement("div");
topContainer.style.position = "fixed";
topContainer.style.zIndex = "80";
topContainer.style.background = "rgba(0,0,0,0.80)";
topContainer.style.height = "100%";
topContainer.style.width = "100%";
topContainer.style.textAlign = "center";
topContainer.className = "showBigImage";

let imageContainer = document.createElement("div");
imageContainer.style.width = window.innerWidth + "px";
imageContainer.style.height = window.innerHeight + "px";
imageContainer.style.margin = "0 auto";
imageContainer.style.overflow = "auto";
imageContainer.style.top = "50%";
imageContainer.style.position = "relative";
imageContainer.style.transform = "translateY(-50%)";

let imageE = document.createElement("img");
imageE.src = iconNoImages;
imageE.title = "鼠标滚轮滚动可缩放图片";
imageE.id = "bigImageE";
// 加载完成执行
imageE.onload = function() {
if (imageE.naturalHeight < window.innerHeight) {
//图片高度小于屏幕则需要垂直居中处理
// imageE.style.width = "100%";
imageE.style.top = "50%";
imageE.style.position = "relative";
imageE.style.transform = "translateY(-50%)";
} else {
imageE.style.height = window.innerHeight + "px";
}
};

this.bigImage = imageE;

//添加鼠标滚轮事件缩放图片
if (imageE.addEventListener) {
// IE9, Chrome, Safari, Opera
imageE.addEventListener("mousewheel", this.rollImg, false);
// Firefox
imageE.addEventListener("DOMMouseScroll", this.rollImg, false);
} else {
// IE 6/7/8
imageE.attachEvent("onmousewheel", this.rollImg);
}
imageContainer.appendChild(imageE);
topContainer.appendChild(imageContainer);

main[0].appendChild(topContainer);

//创建点击左右浏览按钮
//左按钮
let imgLeft = document.createElement("img");
imgLeft.src = iconLeft;
imgLeft.style.zIndex = "101";
imgLeft.style.position = "fixed";
imgLeft.style.top = "50%";
imgLeft.style.transform = "translateY(-50%)";
imgLeft.style.left = "12%";
imgLeft.style.cursor = "pointer";
imgLeft.className = "showBigImage";
//添加鼠标点击事件切换图片
imgLeft.addEventListener("click", this.toLeftImage);
//右按钮