获取url 参数值 getQueryString: function (name) { let reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i"); let r = window.location.search.substr(1).match(reg); if (r != null) return unescape(r[2]); return null;},
深度拷贝 copyDeep: function (obj) { let copy; if (typeof obj === 'object') { copy = aa(obj); } function aa(oo) { try { let c; if (!isNaN(oo.length)) { c = []; for (let i in oo) { let o = oo[i]; if (typeof o === 'object') c.push(aa(o)); else c.push(o); } } else { c = {}; for (let i in oo) { c[i] = oo[i]; } } return c; } catch (e) { return null; } } return copy; },
全局提示框 myTips: function myTips(type, data) { let fullDom = approach.fullscreenElement(); if (!document.getElementById('warning')) { if(!fullDom) { $('body').append(' '); } else if(fullDom && fullDom.id === 'vsAgainst') { $('#vsAgainst').append(' '); } } let tip = ""; switch (type) { case "success": tip = $(""); break; case "warning": tip = $("" + data + "
"); break; } $("#warning").append(tip); setTimeout(function () { tip.remove(); }, 4000); }," + data + "
分页查询 pageSet: function (wholePage, page) { if (wholePage == 1) { return ""; } else if (wholePage <= 9) { var pages = ""; for (var i = 1; i <= wholePage; i++) { if (i == page) { pages += "" + i + ""; } else { pages += "" + i + ""; } } return "" + pages + ""; } else { var pages1 = "", pages2 = ""; if (page <= 3) { for (var i = 1; i < 5; i++) { if (i == page) { pages1 += "" + i + ""; } else { pages1 += "" + i + ""; } } for (var i = wholePage - 3; i <= wholePage; i++) { pages2 += "" + i + ""; } return "" + pages1 + "..." + pages2 + "" } else if (page > 3 && page < wholePage - 5) { for (var i = page - 1; i <= page + 1; i++) { if (i == page) { pages1 += "" + i + ""; } else { pages1 += "" + i + ""; } } for (var i = wholePage - 2; i <= wholePage; i++) { pages2 += "" + i + ""; } return "1..." + pages1 + "..." + pages2 + "" } else { for (var i = wholePage - 6; i <= wholePage; i++) { if (i == page) { pages2 += "" + i + ""; } else { pages2 += "" + i + ""; } } return "1..." + pages2 + "" } } },
//判断空对象 isEmptyObject: function (e) { let t; for (t in e) return !1; return !0 },
//url转为base64编码 convertImgToBase64: function (url, callback, outputFormat) { url+='?random='+Math.random(); let canvas = document.createElement("CANVAS"), ctx = canvas.getContext("2d"), img = new Image(); img.crossOrigin = ""; // img.setAttribute("crossOrigin", "anonymous"); img.onload = function () { canvas.height = img.height; canvas.width = img.width; ctx.drawImage(img, 0, 0); var dataURL = canvas.toDataURL(outputFormat || "image/png"); callback.call(this, dataURL); canvas = null; }; img.src = url; },
//将base64编码转换为Blob convertBase64UrlToBlob: function (urlData) { let bytes = window.atob(urlData.split(",")[1]); //去掉url的头,并转换为byte //处理异常,将ascii码小于0的转换为大于0 let ab = new ArrayBuffer(bytes.length); let ia = new Uint8Array(ab); for (let i = 0; i < bytes.length; i++) { ia[i] = bytes.charCodeAt(i); } return new Blob([ab], {type: "image/jpeg", filename: "upload.jpg"}); },