//jquery全局配置
// $.ajaxSetup({
//     cache: false,
//     // crossDomain: true,
//     // headers: { 'Authorization': token },
//     complete: function (xhr) {
//         if (xhr && xhr.status == 401) {
//             console.log(xhr);
//             layer.alert('权限不足,请重新登陆', {
//                 icon: 5,
//                 title: "提示"
//             }, function () {
//                 window.parent.location.reload(); //刷新父页面
//                 window.parent.location.href = "/";
//             });
//         }
//     }
// });
//图片预览，传url
function previewPicture(url) {
    layer.photos({
        photos: {
            "title": '预览图',
            "id": 222,
            "start": 0,
            "data": [{
                "src": url
            }]
        }
        // ,closeBtn: 1 //是否显示关闭按钮
    });
}
// 设置图片信息
function setImgUrl(url) {
    return 'https://school-1251542740.cos.ap-shanghai.myqcloud.com/' + url;
}

//视频预览，传url,width,height
function previewVideo(url, width, height) {
    width = width ? width : '65%';
    height = height ? height : '65%';
    let content = '<video width="100%" height="90%"  controls="controls" autobuffer="autobuffer"  autoplay="autoplay" loop="loop">' +
        '<source src="' + url + '" type="video/mp4"></source></video>';
    layer.open({
        type: 1,
        maxmin: true, //打开放大缩小按钮
        title: '视频播放',
        area: [width, height],
        content: content,
    });
}

//文件预览
function previewFile(url) {
    window.location.href = url;
}

function trim(str) {
    if (str == null) {
        return "";
    }
    return str.replace(/^\s*(.*?)[\s\n]*$/g, '$1');
}

function dataURItoBlob(dataURI) {
    var byteString = atob(dataURI.split(',')[0]); //base64 解码
    var arrayBuffer = new ArrayBuffer(byteString.length); //创建缓冲数组
    var intArray = new Uint8Array(arrayBuffer); //创建视图
    for (var i = 0; i < byteString.length; i++) {
        intArray[i] = byteString.charCodeAt(i);
    }
    // return new Blob([intArray],{type: "application/vnd.ms-excel;charset=utf-8;"});//原来封装好的 下载的是excel
    return new Blob([intArray], { type: "application/octet-stream;charset=utf-8;" });//修改-1
}

function saveData(data, filename) {
    let blob = dataURItoBlob(data)
    let objectUrl = URL.createObjectURL(blob);
    //let spl = filename.split(".");
    //window.open(objectUrl,'_blank','alwaysRaised=yes,height=500, width=800, toolbar= no, menubar=no, scrollbars=no, resizable=no, location=yes, status=no,top=100,left=300')
    let aLink = document.createElement('a');//新添加的  尝试
    let evt = document.createEvent("HTMLEvents");
    evt.initEvent("click", true, true);
    aLink.download = filename;//新添加的  尝试
    aLink.href = objectUrl;
    aLink.click()
    //没有清理的 DOM 元素引用
    //document.body.removeChild(aLink)
}

function getCurrentYearStart() {
    const currentDate = new Date();
    return new Date(currentDate.getFullYear(), 0, 1, 0, 0, 0, 0);
}

function formatDate(date, format) {
    const year = date.getFullYear();
    const month = String(date.getMonth() + 1).padStart(2, '0');
    const day = String(date.getDate()).padStart(2, '0');
    const hours = String(date.getHours()).padStart(2, '0');
    const minutes = String(date.getMinutes()).padStart(2, '0');
    const seconds = String(date.getSeconds()).padStart(2, '0');

    return format
        .replace('YYYY', year)
        .replace('MM', month)
        .replace('DD', day)
        .replace('HH', hours)
        .replace('mm', minutes)
        .replace('ss', seconds);
}

function getCurrentMonthEnd() {
    const currentDate = new Date();
    const currentYear = currentDate.getFullYear();
    const currentMonth = currentDate.getMonth();
    const lastDayOfMonth = new Date(currentYear, currentMonth + 1, 0);
    const lastDate = lastDayOfMonth.getDate();
    return new Date(currentYear, currentMonth, lastDate, 23, 59, 59, 999);
}