1.旋轉
最後做圖檔旋轉,因為 layer.photos目前不支援旋轉,縮放,是以自己研究了一下。直接上代碼
$(document).on("click", ".layui-layer-phimg", function (e) {
/*var current = $("#current").val();
current = (current+90)%360;
$("#current").val(current);
document.getElementById('imglayer').style.transform = 'rotate('+current+'deg)';*/
var current = $("#current").val();
if (current == 0) {
current = 90;
}else if (current == 90) {
current = 180;
}else if(current == 180) {
current = 270;
}else if (current == 270) {
current = 0;
}
document.getElementById('imglayer').style.transform = 'rotate(' + current + 'deg)';
$("#current").val(current);
});
layer.js 修改
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLiAzNfRHLGZkRGZkRfJ3bs92YsYTMfVmepNHLxEleNRTRq1EMNpHW4Z0MMBjVtJWd0ckW65UbM5WOHJWa5kHT20ESjBjUIF2X0hXZ0xCMx81dvRWYoNHLrdEZwZ1Rh5WNXp1bwNjW1ZUba9VZwlHdssmch1mclRXY39CXldWYtlWPzNXZj9mcw1ycz9WL49zZuBnLzATNwQTM0kDM1EjNwkTMwIzLc52YucWbp5GZzNmLn9Gbi1yZtl2Lc9CX6MHc0RHaiojIsJye.png)
content: '<input type="hidden" id="current"><div class="layui-layer-phimg"><img id="imglayer" src="' + u[d].src + '" alt="' + (u[d].alt || "") + '" layer-pid="' + u[d].pid + '"><div class="layui-layer-imgbar" style="width:100%;height: 100%; background-color:rgba(0, 0, 0, 0)"></div><div class="layui-layer-imgsee">' + (u.length > 1 ? '<span class="layui-layer-imguide"><a href="javascript:;" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" class="layui-layer-iconext layui-layer-imgprev"></a><a href="javascript:;" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" class="layui-layer-iconext layui-layer-imgnext"></a></span>' : "") + '<div class="layui-layer-imgbar" style="display:' + (a ? "block" : "") + '"><span class="layui-layer-imgtit"><a href="javascript:;" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" >' + (u[d].alt || "") + "</a><em>" + s.imgIndex + "/" + u.length + "</em></span></div></div></div>",
2.縮放
layer.photos本省可以縮放,但是效果不太理想
$(document).on("mousewheel DOMMouseScroll", ".layui-layer-phimg", function (e) {
var delta = (e.originalEvent.wheelDelta && (e.originalEvent.wheelDelta > 0 ? 1 : -1)) || // chrome & ie
(e.originalEvent.detail && (e.originalEvent.detail > 0 ? -1 : 1)); // firefox
var imagep = $(".layui-layer-phimg").parent().parent();
var image = $(".layui-layer-phimg").parent();
var h = image.height();
var w = image.width();
if (delta > 0) {
if (h < (window.innerHeight)) {
h = h * 1.05;
w = w * 1.05;
}
} else if (delta < 0) {
if (h > 100) {
h = h * 0.95;
w = w * 0.95;
}
}
imagep.css("top", (window.innerHeight - h) / 2);
imagep.css("left", (window.innerWidth - w) / 2);
image.height(h);
image.width(w);
imagep.height(h);
imagep.width(w);
});