saas_miniprogram/common/methodTool.js

import store from "@/store/index.js";
import config from "@/common/config";
import api from "@/common/api.js";

export default {
	isGoLogin(isBack = true) {
		if (!uni.getStorageSync("user_account")) {
			uni.navigateTo({
				url: "/pages4/login/login?isBack=" + isBack,
			});
			return true;
		} else {
			return false;
		}
	},
	isLogin() {
		if (uni.getStorageSync("user_account")) {
			return true;
		} else {
			return false;
		}
	},
	isLogout() {
		// uni.removeStorageSync('user_account')
		// uni.removeStorageSync('token')
	},
	//提示
	showToast(title, icon = "none", time = 2000) {
		return setTimeout(() => {
			uni.showToast({
				title: title,
				icon: icon,
				duration: time,
			});
		}, 500);
	},
	//图片路径填补
	splitImgHost(url, scale = false, width = 250) {
		if (!url) {
			return "";
		} else if (
			url.indexOf("http") != -1 ||
			url.indexOf("https") != -1 ||
			url.indexOf("wxfile") != -1
		) {} else {
			url = config.BASE_IMG_URL + url;
		}
		if (scale) {
			url = url + "?x-oss-process=image/resize,w_" + width;
		}
		return url;
	},
	setUuid(id) {
		uni.setStorageSync("uuid", id);
	},

	getUuid() {
		return uni.getStorageSync("uuid");
	},
	exit() {
		uni.removeStorageSync("user_account");
		uni.removeStorageSync("token");
		uni.removeStorageSync("h5_code");
		store.state.userInfo = null;
		uni.reLaunch({
			url: "/pages/index/index",
		});
	},
	/* 时间戳转换成日期
	 * @param timestamp
	 * @returns {*}
	 */
	timestampToTime(timestamp, isDay = true, hasChinese, line) {
		if (!timestamp) {
			return "";
		}
		var date = new Date(timestamp * 1000); //时间戳为10位需*1000，时间戳为13位的话不需乘1000
		var Y = date.getFullYear() + (hasChinese ? "" : "-");
		var M =
			(date.getMonth() + 1 < 10 ?
				"0" + (date.getMonth() + 1) :
				date.getMonth() + 1) + (hasChinese ? "" : "-");
		var D =
			date.getDate() < 10 ?
			"0" + date.getDate() + (hasChinese ? "" : " ") :
			date.getDate() + (hasChinese ? "" : " ");
		var h =
			date.getHours() < 10 ?
			"0" + date.getHours() + ":" :
			date.getHours() + ":";
		var m =
			date.getMinutes() < 10 ?
			"0" + date.getMinutes() + ":" :
			date.getMinutes() + ":";
		var s =
			date.getSeconds() < 10 ? "0" + date.getSeconds() : date.getSeconds();
		if (isDay) {
			if (hasChinese) {
				return Y + "年" + M + "月" + D + "日";
			} else {
				return Y + M + D;
			}
		}
		if (line) {
			return h + m + s;
		}

		if (hasChinese) {
			return Y + "年" + M + "月" + D + "日" + h + m + s;
		} else {
			return Y + M + D + h + m + s;
		}
	},
	// 时间戳转换日期
	formDate(time, formate = "yyyy-mm-dd hh:mm:ss") {
		var padDate = function(va) {
			va = va < 10 ? "0" + va : va;
			return va;
		};
		if (time) {
			var value = new Date(time * 1000); //时间戳为10位需*1000，时间戳为13位的话不需乘1000
			// var value = new Date(parseFloat(time))
			var year = value.getFullYear();
			var month = padDate(value.getMonth() + 1);
			var day = padDate(value.getDate());
			var hour = padDate(value.getHours());
			var minutes = padDate(value.getMinutes());
			var seconds = padDate(value.getSeconds());
			let res = "";
			switch (formate) {
				case "mm-dd": {
					res = month + "-" + day;
					break;
				}
				case "yyyy-mm-dd": {
					res = year + "-" + month + "-" + day;
					break;
				}
				case "yyyy-mm": {
					res = year + "-" + month;
					break;
				}
				case "mm月dd日": {
					res = month + "月" + day + "日";
					break;
				}
				case "yyyy年mm月dd日": {
					res = year + "年" + month + "月" + day + "日";
					break;
				}
				case "yyyy年mm月": {
					res = year + "年" + month + "月";
					break;
				}
				case "hh:mm": {
					res = hour + ":" + minutes;
					break;
				}
				case "yyyy-mm-dd hh:mm": {
					res = year + "-" + month + "-" + day + " " + hour + ":" + minutes;
					break;
				}
				case "yyyy.mm.dd":
					res = year + "." + month + "." + day;
					break;
				case "yyyy-mm-dd hh:mm:ss":
				case "yyyy/mm/dd":
					res = year + "/" + month + "/" + day;
					break;
				default: {
					res =
						year +
						"-" +
						month +
						"-" +
						day +
						" " +
						hour +
						":" +
						minutes +
						":" +
						seconds;
					break;
				}
			}
			return res;
		}
		return "--";
	},
	//当前时间距离目标时间还有多久
	GetRTime(EndTime, isDay = true) {
		var EndTime = EndTime; //结束时间
		var NowTime = new Date(); //当前时间
		//后台给我的是10位 精确到秒的 所有下面我就除以了1000，不要小数点后面的
		var t = EndTime - (NowTime.getTime() / 1000).toFixed(0);

		if (t <= 0) {
			return "已结束";
		}
		//如果后台给的是毫秒 上面不用除以1000 下面的计算时间也都要除以1000 这里我去掉1000了
		var d = Math.floor(t / 60 / 60 / 24); //天 var d=Math.floor(t/1000/60/60/24)
		var h = Math.floor((t / 60 / 60) % 24); //时 var h=Math.floor(t/1000/60/60%24)
		var m = Math.floor((t / 60) % 60); //分 var m=Math.floor(t/1000/60%60)
		var s = Math.floor(t % 60); //秒 var s=Math.floor(t/1000%60)
		if (parseInt(d) < 10) {
			d = "0" + d;
		}
		if (parseInt(h) < 10) {
			h = "0" + h;
		}
		if (parseInt(m) < 10) {
			m = "0" + m;
		}
		if (parseInt(s) < 10) {
			s = "0" + s;
		}
		if (isDay) {
			return d;
		}
		return d + "天" + h + "小时" + m + "分" + s + "秒";
	},
	TimeTotimestamp(date) {
		var date = date.replace(/-/g, "/");
		var newDate = new Date(date);
		return newDate.getTime() / 1000;
	},
	timest() {
		var tmp = Date.parse(new Date()).toString();
		tmp = tmp.substr(0, 10);
		return tmp;
	},
	//压缩图片
	imageInfos(url) {
		var self = this;
		return new Promise((resolve, reject) => {
			uni.getImageInfo({
				src: url,
				success: async (res) => {
					let canvasWidth = res.width; //图片原始长宽
					let canvasHeight = res.height;
					if (canvasWidth > 2000 || canvasHeight > 2000) {
						uni.compressImage({
							src: url,
							quality: 75,
							width: "35%",
							height: "35%",
							success: async (rest) => {
								const waitUpload = await self.uploadFile(rest
									.tempFilePath, 0);
								console.log(waitUpload, "waitUpload");
								resolve(waitUpload);
							},
						});
					} else if (canvasWidth > 1000 || canvasHeight > 1000) {
						uni.compressImage({
							src: url,
							quality: 75,
							width: "50%",
							height: "50%",
							success: async (rest) => {
								const waitUpload = await self.uploadFile(rest
									.tempFilePath, 0);
								console.log(waitUpload, "waitUpload");
								resolve(waitUpload);
							},
						});
					} else {
						const waitUpload = await self.uploadFile(url, 0);
						console.log(waitUpload, "waitUpload");
						resolve(waitUpload);
						// console.log('无需压缩', url);
						// resolve(url);
					}
				},
			});
		});
	},
	//上传图片
	uploadFile(options, int) {
		return new Promise((resolve, reject) => {
			var self = this;
			// #ifdef MP-WEIXIN
			const isJPG =
				options.indexOf("//tmp") !== -1 || options.indexOf("//temp") !== -1;
			// #endif
			// #ifdef H5
			const isJPG = true;
			// #endif
			if (!isJPG) {
				resolve(options);
				return;
			}
			var data = {
				imageStatus: int,
			};
			api.aliyunpolicy(data).then((res) => {
				var ossToken = res.data.data.resultContent;
				uni.uploadFile({
					url: ossToken.host,
					name: "file",
					filePath: options,
					fileType: "image",
					header: {
						AuthorizationToken: "WX " + uni.getStorageSync("token"),
					},
					formData: {
						key: ossToken.dir,
						OSSAccessKeyId: ossToken.accessid,
						policy: ossToken.policy,
						Signature: ossToken.signature,
						callback: ossToken.callback,
						success_action_status: 200,
					},
					success: (result) => {
						result.data = result.data || '{}'
						let jsonData = JSON.parse(result.data)
						if (jsonData.resultContent && Number(jsonData.resultContent.size) >
							0) {
							resolve(ossToken.dir);
						} else {
							uni.showToast({
								title: "上传接口报错",
								icon: "none",
							});
							return;
						}
					},
					fail: (error) => {
						uni.showToast({
							title: "上传接口报错",
							icon: "none",
						});
						return;
					},
				});
			}).catch(err => {
				uni.showToast({
					title: "上传接口报错" + err,
					icon: "none",
				});
				return;
			})
		});
	},
	//上传非图片文件H5
	uploadFileH5(options, int,filetype) {
		return new Promise((resolve, reject) => {
			var self = this;
			// #ifdef MP-WEIXIN
			const isJPG =
				options.indexOf("//tmp") !== -1 || options.indexOf("//temp") !== -1;
			// #endif
			// #ifdef H5
			const isJPG = true;
			// #endif
			if (!isJPG) {
				resolve(options);
				return;
			}
			var data = {
				imageStatus: int,
			};
			api.aliyunpolicy(data).then((res) => {
				var ossToken = res.data.data.resultContent;
				uni.uploadFile({
					url: ossToken.host,
					name: "file",
					file: options,
					fileType: filetype,
					header: {
						AuthorizationToken: "WX " + uni.getStorageSync("token"),
					},
					formData: {
						key: ossToken.dir,
						OSSAccessKeyId: ossToken.accessid,
						policy: ossToken.policy,
						Signature: ossToken.signature,
						callback: ossToken.callback,
						success_action_status: 200,
					},
					success: (result) => {
						console.log(result);
						result.data = result.data || '{}'
						let jsonData = JSON.parse(result.data)
						if (jsonData.resultContent && Number(jsonData.resultContent.size) >
							0) {
							resolve(ossToken.dir);
						} else {
							uni.showToast({
								title: "上传接口报错",
								icon: "none",
							});
							return;
						}
					},
					fail: (error) => {
						console.log("adsd",error);
						uni.showToast({
							title: "上传接口报错",
							icon: "none",
						});
						return;
					},
				});
			}).catch(err => {
				uni.showToast({
					title: "上传接口报错" + err,
					icon: "none",
				});
				return;
			})
		});
	},
	getYears(strBirthday) {
		if (!strBirthday) {
			return "-";
		}
		var returnAge;
		var strBirthdayArr = strBirthday.split("-");
		var birthYear = strBirthdayArr[0];
		var birthMonth = strBirthdayArr[1];
		var birthDay = strBirthdayArr[2];
		var d = new Date();
		var nowYear = d.getFullYear();
		var nowMonth = d.getMonth() + 1;
		var nowDay = d.getDate();

		if (nowYear == birthYear) {
			returnAge = 0; //同年 则为0岁
		} else {
			var ageDiff = nowYear - birthYear; //年之差
			if (ageDiff > 0) {
				if (nowMonth == birthMonth) {
					var dayDiff = nowDay - birthDay; //日之差
					if (dayDiff < 0) {
						returnAge = ageDiff - 1;
					} else {
						returnAge = ageDiff;
					}
				} else {
					var monthDiff = nowMonth - birthMonth; //月之差
					if (monthDiff < 0) {
						returnAge = ageDiff - 1;
					} else {
						returnAge = ageDiff;
					}
				}
			} else {
				returnAge = -1; //返回-1 表示出生日期输入错误 晚于今天
			}
		}
		return returnAge; //返回周岁年龄
	},
	getDate() {
		let nowDate = new Date();
		let date = {
			year: nowDate.getFullYear(),
			month: nowDate.getMonth() + 1,
			date: nowDate.getDate(),
		};
		return date.year + "-" + date.month + "-" + date.date;
	},
	getZeroTime() {
		return Number(new Date(new Date().toLocaleDateString()).getTime() / 1000);
	},
	setClock: function(time) {
		var that = this,
			sec = parseInt(time),
			clockCount = {},
			strTimer = "";
		clockCount = setInterval(function() {
			if (sec == 0) {
				$(".js-count-down").html("活动已经结束");
				clearInterval(clockCount);
				return false;
			}
			strTimer = that.secondToDate(sec);
			$(".js-count-down").html(strTimer);
			sec--;
		}, 1000);
	},
	secondToDate(result) {
		var h =
			Math.floor(result / 3600) < 10 ?
			"0" + Math.floor(result / 3600) :
			Math.floor(result / 3600);
		var m =
			Math.floor((result / 60) % 60) < 10 ?
			"0" + Math.floor((result / 60) % 60) :
			Math.floor((result / 60) % 60);
		var s =
			Math.floor(result % 60) < 10 ?
			"0" + Math.floor(result % 60) :
			Math.floor(result % 60);
		if (h == 0) {
			result = m + ":" + s;
		} else {
			result = h + ":" + m + ":" + s;
		}
		return result;
	},
	/**
	 *
	 * @param {int} result
	 * @returns {string}
	 * @remard 单位S转小时分钟秒
	 */
	secondToTime(result, Diszing = true) {
		var h =
			Math.floor(result / 3600) < 10 ?
			"0" + Math.floor(result / 3600) :
			Math.floor(result / 3600);
		var m =
			Math.floor((result / 60) % 60) < 10 ?
			"0" + Math.floor((result / 60) % 60) :
			Math.floor((result / 60) % 60);
		var s =
			Math.floor(result % 60) < 10 ?
			"0" + Math.floor(result % 60) :
			Math.floor(result % 60);
		if (h == 0 && Diszing) {
			result = m + ":" + s;
		} else {
			result = h + ":" + m + ":" + s;
		}
		return result;
	},
	/**
	 * @param {Object} length  长度
	 * 获取随机字符串
	 */
	getRandomString(length) {
		var str = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
		var result = "";
		for (var i = length; i > 0; --i)
			result += str[Math.floor(Math.random() * str.length)];
		return result;
	},
	skipLogin(sign) {
		console.error("join")
		return api.skipLogin({
			sign
		}).then((res) => {
			if (res.data.code == 200) {
				uni.removeStorageSync("newUser_sc");
				uni.removeStorageSync("shareActivityCode");
				//信息完善，直接进入页面
				uni.setStorageSync("user_account", res.data.data.user_account);
				uni.setStorageSync("token", res.data.data.token);
				store.dispatch("getUserInfo").finally((e) => {
					return Promise.resolve();
				});
			} else {
				uni.navigateTo({
					url: "/pages4/login/login",
				});
				return Promise.reject();
			}
		});
	},
	getCanvas(that, className = ".canvas") {
		return new Promise((resolve, reject) => {
			uni.getSystemInfo({
				success: (res) => {
					const query = uni.createSelectorQuery().in(that);
					setTimeout(() => {
						query
							.select(className)
							.boundingClientRect()
							.exec((newRes) => {
								resolve({
									systemInfo: res,
									newRes
								});
							});
					}, 1000);
				},
			});
		});
	},
	toLink(externalLink) {
		if (!externalLink) {
			uni.showModal({
				showCancel: false,
				content: "链接不存在",
			});
			return;
		}
		// #ifdef MP-WEIXIN
		uni.navigateTo({
			url: `/pages5/webview/sdlink?url=` + externalLink,
		});
		// #endif
		// #ifdef H5
		window.location.href = externalLink;
		// #endif
	},
	calculateScore(data) {
		let score = 0; //计算总分
		let totalScore = 0; //总分
		let doWrongQuestionIds = []; //做错题id(案例题简答不算在内)
		let doQuestionIds = []; //做过的题目id
		let lessQuestionNum = 0; //多选题少选
		let rightQuestionIds = []; //做对的题目id
		let totalQuestionNum = 0; //排除主观题的总条数（简单题）
		data.forEach((item) => {
			totalScore += item.score * (item.type == 4 ? item.jsonStr.length : 1);
			if (
				item.type < 4 ||
				(item.type == 4 && !item.jsonStr.some((e) => e.type == 5))
			) {
				totalQuestionNum++;
			}

			if (item.type == 1 || item.type == 3) {
				//正确
				if (item.ques == item.ans) {
					item.scoreResult = item.score;
					score += item.score;
					rightQuestionIds.push(item.questionId);
				} else {
					//错误
					item.scoreResult = 0;
					if (item.ques) {
						doWrongQuestionIds.push(item.questionId);
					}
				}
				if (item.ques) {
					doQuestionIds.push(item.questionId);
				}
			} else if (item.type == 2) {
				let isRight =
					item.ans &&
					item.ans.every((quesItem, quesIndex) => {
						if (item.ques) {
							return item.ques[quesIndex] == item.ans[quesIndex];
						} else {
							return false;
						}
					});

				if (isRight) {
					score += item.score;
					item.scoreResult = item.score;
					rightQuestionIds.push(item.questionId);
				} else {
					let hasPart = false;
					let checkboxScore = 1; //获取单题总分数
					item.ques &&
						item.ques.forEach((ques, quesIndex) => {
							//选错一个全扣
							if (item.ques) {
								if (item.ans.indexOf(item.ques[quesIndex]) == -1) {
									checkboxScore = 0;
								}
							} else {
								checkboxScore = 0;
							}
						});

					//没选错
					if (checkboxScore) {
						checkboxScore = 0;
						item.ans.forEach((ans, quesIndex) => {
							//漏选扣一部分，对n题给n X partScore 分
							if (item.ques) {
								if (item.ques.indexOf(item.ans[quesIndex]) != -1) {
									checkboxScore += item.partScore;
									hasPart = true;
								}
							} else {
								checkboxScore = 0;
							}
						});
					}

					if (!hasPart) {
						//0分
						item.scoreResult = 0;
						if (item.ques) {
							doWrongQuestionIds.push(item.questionId);
						}
					} else {
						//部分分
						lessQuestionNum++;
						item.scoreResult = checkboxScore;
						score += checkboxScore;
					}
				}
				if (item.ques && item.ques.length) {
					doQuestionIds.push(item.questionId);
				}
			} else if (item.type == 4) {
				let len = item.ans.length;
				let questionScore = 0;
				if (item.ques && item.ques.length) {
					item.ques.forEach((ele, idx) => {
						if (
							ele == item.ans[idx] ||
							(item.jsonStr[idx].type == 2 &&
								ele.toString() == item.ans[idx].toString())
						) {
							len--;
							questionScore += item.score;
						}
					});
					score += questionScore;
					item.scoreResult = questionScore;
					len == 0 && rightQuestionIds.push(item.questionId);
					doQuestionIds.push(item.questionId);
				}
			} else if (item.type == 5) {
				if (item.ques && (item.ques.imageList.length || item.ques.text)) {
					doQuestionIds.push(item.questionId);
				}
			}
		});
		return {
			reportStatus: score >= (data[0].passScore || totalScore * 0.6) ? 1 : 0,
			lessQuestionNum,
			performance: score,
			totalScore,
			doQuestionNum: doQuestionIds.length,
			doQuestionIds: doQuestionIds.join(","),
			rightQuestionIds: rightQuestionIds.join(","),
			rightQuestionNum: rightQuestionIds.length,
			rightRate: (rightQuestionIds.length / totalQuestionNum).toFixed(2),
			historyExamJson: JSON.stringify(data),
			questionIds: doWrongQuestionIds,
			totalQuestionNum,
		};
	},
	checkDomain(str) {
		let domain =
			/^([\w-]+\.)+((com)|(net)|(org)|(gov\.cn)|(info)|(cc)|(com\.cn)|(net\.cn)|(org\.cn)|(name)|(biz)|(tv)|(cn)|(mobi)|(name)|(sh)|(ac)|   (io)|(tw)|(com\.tw)|(hk)|(com\.hk)|(ws)|(travel)|(us)|(tm)|(la)|(me\.uk)|(org\.uk)|(ltd\.uk)|(plc\.uk)|(in)|(eu)|(it)|(jp))$/;
		return domain.test(str);
	},
	isWeixin() {
		var ua = window.navigator.userAgent.toLowerCase();
		if (
			ua.match(/MicroMessenger/i) == "micromessenger" ||
			ua.match(/_SQ_/i) == "_sq_"
		) {
			return true;
		} else {
			return false;
		}
	},
	isIPad() {
	      const userAgent = navigator.userAgent || navigator.vendor || window.opera;
	      return /iPad/.test(userAgent);
	    },
	isTablet() {
	      const userAgent = navigator.userAgent || navigator.vendor || window.opera;
		  const screenWidth = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;// 判断是否是平板电脑
          const isTablet = /Tablet/i.test(userAgent) || (screenWidth >= 768 && screenWidth < 1024);
	      return isTablet;
	    },
	imageToBase64(url, quality = 0.8) {
		return new Promise((resolve, reject) => {
			url = this.splitImgHost(url);
			// #ifdef MP-WEIXIN
			let that = this;
			uni.downloadFile({
				url,
				success: (res) => {
					if (res.statusCode === 200) {
						that.fileToBase64(res.tempFilePath).then((res) => {
							resolve(res);
						});
					}
				},
			});
			// #endif
			// #ifdef H5
			let image = new Image();
			image.onload = function() {
				let canvas = document.createElement("canvas");
				canvas.width = image.width;
				canvas.height = image.height;
				let context = canvas.getContext("2d");
				context.drawImage(image, 0, 0, image.width, image.height);
				let base64 = canvas.toDataURL("image/jpeg", quality); //将图片格式转为base64
				resolve(base64);
			};
			image.setAttribute("crossOrigin", "Anonymous");
			image.src = url + "?time=" + Date.now();
			image.onerror = () => {
				reject(new Error("urlToBase64 error"));
			};
			// #endif
		});
	},
	fileToBase64(url) {
		return new Promise((resolve, reject) => {
			// #ifdef MP-WEIXIN
			let fileSystem = uni.getFileSystemManager();
			fileSystem.readFile({
				filePath: url,
				encoding: "base64",
				position: 0,
				success: (res) => {
					resolve("data:image/jpg;base64," + res.data);
				},
				fail(err) {
					console.error(err, "err");
				},
			});
			// #endif
			// #ifdef H5
			let reader = new FileReader();
			reader.readAsDataURL(url);
			reader.onload = (e) => {
				resolve(e.target.result);
			};
			// #endif
		});
	},
	isBase64(str) {
		var reg =
			/^\s*data:([a-z]+\/[a-z0-9-+.]+(;[a-z-]+=[a-z0-9-]+)?)?(;base64)?,([a-z0-9!$&',()*+;=\-._~:@\/?%\s]*?)\s*$/i;
		return reg.test(str);
	},
	isObject(object) {
		return object !== null && typeof object === "object";
	},
	isEmptyObject(object) {
		return this.isObject(object) && Object.keys(object).length < 1;
	},
	checkLock(action = "jxjy") {
		return new Promise((resolve, reject) => {
			api
				.lockLockStatus({
					action,
					uuid: this.getUuid(),
				})
				.then((res) => {
					if (res.data.code == 200) {
						//有其他端在操作，不能学习
						uni.showModal({
							title: "提示",
							content: "有其他端在操作，是否将该用户踢下线？",
							success: (res) => {
								if (res.confirm) {
									api.offline().then((r) => {
										if (r.data.code === 200) {
											resolve();
										}
									});
								}
							},
						});
					} else if (res.data.code == 500) {
						//可以学习
						resolve();
					}
				});
		});
	},

	myBrowser() {
		var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串
		console.log(userAgent)
		var isOpera = userAgent.indexOf("Opera") > -1 ||
			userAgent.indexOf("OPR") > -1; //判断是否Opera浏览器

		var isQQ = userAgent.indexOf("QQBrowser") > -1; //判断是否QQBrowser浏览器

		var isUC = userAgent.indexOf("UCBrowser") > -1; //判断是否UC浏览器

		var isIE = userAgent.indexOf("compatible") > -1 &&
			userAgent.indexOf("MSIE") > -1; //判断是否IE7~IE10浏览器

		var isIE11 = userAgent.indexOf("compatible") === -1 &&
			userAgent.indexOf("Trident") > -1; //判断是否IE11浏览器

		var isEdge = userAgent.indexOf("Edge") > -1; //判断是否IE的Edge浏览器

		var isFF = userAgent.indexOf("Firefox") > -1; //判断是否Firefox浏览器

		var isSafari = userAgent.indexOf("Safari") > -1 &&
			userAgent.indexOf("Chrome") === -1; //判断是否Safari浏览器

		var isChrome = userAgent.indexOf("Chrome") > -1 &&
			userAgent.indexOf("; Win") > -1 &&
			userAgent.indexOf("Safari") > -1; //判断Chrome浏览器

		var is360 = userAgent.indexOf("Chrome") > -1 &&
			userAgent.indexOf("; WOW") > -1 &&
			userAgent.indexOf("Safari") > -1; //判断360浏览器


		if (isIE) {
			var reIE = /MSIE (\d+)\.\d+;/;
			// match() 返回一个数组。数组第一项是匹配到的所有文本；数组第二项是正则中小括号匹配到的文本
			var matchReg = userAgent.match(reIE)
			var fIEVersion = matchReg[1];
			if (fIEVersion == 7) {
				return "IE7及其以下";
			} else if (fIEVersion == 8) {
				return "IE8";
			} else if (fIEVersion == 9) {
				return "IE9";
			} else if (fIEVersion == 10) {
				return "IE10";
			} else {
				return "0";
			} //IE版本过低
			return "IE";
		}
		if (isUC) {
			return "UC";
		}
		if (isQQ) {
			return "QQBrowser";
		}
		if (isIE11) {
			return "IE11";
		}
		if (isOpera) {
			return "Opera";
		}
		if (isEdge) {
			return "Edge";
		}
		if (isFF) {
			return "Firefox";
		}
		if (isSafari) {
			return "Safari";
		}
		if (isChrome) {
			return "Chrome";
		}
		if (is360) {
			return "360";
		}
	},
};