uniapp 时间格式化

// 日期格式化
export function parseTime(time, pattern) {
  if (arguments.length === 0 || !time) {
    return null
  }
  const format = pattern || '{y}-{m}-{d} {h}:{i}:{s}'
  let date
  if (typeof time === 'object') {
    date = time
  } else {
    if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
      time = parseInt(time)
    } else if (typeof time === 'string') {
      time = time.replace(new RegExp(/-/gm), '/').replace('T', ' ').replace(new RegExp(/\.[\d]{3}/gm), '');
    }
    if ((typeof time === 'number') && (time.toString().length === 10)) {
      time = time * 1000
    }
    date = new Date(time)
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay()
  }
  const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
    let value = formatObj[key]
    // Note: getDay() returns 0 on Sunday
    if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value] }
    if (result.length > 0 && value < 10) {
      value = '0' + value
    }
    return value || 0
  })
  return time_str
}
//获取当前年月日
 export function getYMD () {  
  let myDate = new Date()
  let myYear = myDate.getFullYear(); //获取完整的年份(4位,1970-????)
  let myMonth = myDate.getMonth() + 1; //获取当前月份(0-11,0代表1月)
  let myToday = myDate.getDate(); //获取当前日(1-31)
  myMonth = myMonth > 9 ? myMonth : '0' + myMonth
  myToday = myToday > 9 ? myToday : '0' + myToday
  let nowDate = myYear +'-'+  myMonth +'-'+  myToday
  return nowDate
 }
 
 
 //获取当前年月日时分秒
  export function getNowDate  () {  
     var date = new Date();
     var sign2 = ":";
     var year = date.getFullYear() // 年
     var month = date.getMonth() + 1; // 月
     var day = date.getDate(); // 日
     var hour = date.getHours(); // 时
     var minutes = date.getMinutes(); // 分
     var seconds = date.getSeconds() //秒
     var weekArr = ['星期一', '星期二', '星期三', '星期四', '星期五', '星期六', '星期天'];
     var week = weekArr[date.getDay()];
     // 给一位数的数据前面加 “0”
     if (month >= 1 && month <= 9) {
       month = "0" + month;
     }
     if (day >= 0 && day <= 9) {
       day = "0" + day;
     }
     if (hour >= 0 && hour <= 9) {
       hour = "0" + hour;
     }
     if (minutes >= 0 && minutes <= 9) {
       minutes = "0" + minutes;
     }
     if (seconds >= 0 && seconds <= 9) {
       seconds = "0" + seconds;
     }
     return year + "-" + month + "-" + day + " " + hour + sign2 + minutes + sign2 + seconds;
  }

 

// 分钟数转换为小时加分钟
export function minTime(min) {
    let minTime = "";
    let h = Math.floor(min / 60);
    min -= h * 60;
    if (min == 0) {
        minTime = h ? h + ":00" : "";
    } else {
        if (min < 10) {
            min = min;
        }
        if (h < 10) {
            h = h;
        }
    }
    return {
        hour: h,
        minute: min
    }
}

// 秒数转换为分钟加小时
export function getTime(value) {
    let secondTime = parseInt(value); // 秒
    let minuteTime = 0; // 分
    let hourTime = 0; // 时
    if (secondTime > 60) {
        minuteTime = parseInt(secondTime / 60);
        secondTime = parseInt(secondTime % 60);
        if (minuteTime > 60) {
            hourTime = parseInt(minuteTime / 60);
            minuteTime = parseInt(minuteTime % 60);
        }
    }
    secondTime = secondTime < 10 ? "0" + secondTime : secondTime;
    var result = "" + secondTime + "";
    if (minuteTime > 0) {
        minuteTime = minuteTime < 10 ? "0" + minuteTime : minuteTime;
        result = "" + minuteTime + ":" + result;
    } else {
        result = "" + "00" + ":" + result;
    }

    if (hourTime > 0) {
        hourTime = hourTime < 10 ? "0" + hourTime : hourTime;
        result = "" + hourTime + ":" + result;
    } else {
        result = "" + "00" + ":" + result;
    }
    return result;
}

// 分钟数转换为毫秒数
export function minToMillisecond(min) {
    if (typeof min === 'string') min = Number(min);
    return min * 60 * 1000;
}

// 给数组字符串的每一项根据顺序加上英文大写字母
export function setDescOption(_data) {
    if (!_data.length) return;
    let answerAll = []; // 当前题目的答案
    let answerCodeAll = []; // 当前题目答案的选项
    let userAnswerCodeAll = []; // 当前题目作答答案集合
    _data.map((item, index) => {
        let _answer = item.answer.map((_item) => {
            return _item.answer
        })
        let num = 64;
        let _answerCode = [];
        let _userAnswerCode = []; // 用户作答答案
        let code_res;
        let user_code_res;
        item.answer.map((item3, index3) => {
            if (item.options.length > 0) {
                item.options.map((item2, index2) => { // 配置正确答案
                    if (item2.optionValue === item3.answer) {
                        code_res = String.fromCharCode(num + index2 + 1);
                    }

                })
            } else {
                // 填空题
                code_res = item3.answer;
            }
            _answerCode.push(code_res)
        });
        item.userAnswers?.map((item3, index3) => {
            if (item.options.length > 0) {
                item.options.map((item2, index2) => { // 配置用户答案
                    if (item2.id === item3.printAnswerId) {
                        user_code_res = String.fromCharCode(num + index2 + 1);
                    }

                })
            } else {
                // 填空题
                user_code_res = item3.answerContent;
                // if(item3.id == ){
                //     code_res = item3.answer;
                // }
            }
            _userAnswerCode.push(user_code_res)
        });
        if (!item.options) return;
        let array = item.options.map((item1, index1) => {
            num++;
            let code = String.fromCharCode(num);
            let newCode = code + ':' + item1.optionValue;
            return {
                value: item1.optionValue,
                text: newCode,
                code: code,
                id: item1.id
            }
        })
        answerCodeAll.push(_answerCode.sort()); // 按字母顺序排序
        userAnswerCodeAll.push(_userAnswerCode.sort()); // 按字母顺序排序
        answerAll.push(_answer);
        return item.options = array;
    });
    return {
        _data,
        answerAll,
        answerCodeAll,
        userAnswerCodeAll
    };
}

//判断两个字符串是否相同 只要求相同，不考虑顺序。(针对选择、判断题)
export function strIsSame(str1, str2) {
    let CodeAt1 = 0;
    let CodeAt2 = 0;
    if (str1.length === str2.length) {
        for (let i = 0; i < str1.length; i++) {
            CodeAt1 += (str1.charCodeAt(i));
        }
        for (let j = 0; j < str2.length; j++) {
            CodeAt2 += str2.charCodeAt(j);
        }
        if (CodeAt1 === CodeAt2) {
            return true;
        } else {
            return false;
        }
    } else {
        return false;
    }
}

export function getCurrentTime() {
    let now = '';
    let date = new Date();
    let year = date.getFullYear(); //获取年份
    let month = date.getMonth() + 1; //获取月份
    let day = date.getDate(); //获取日期
    let hours = date.getHours(); //获取小时
    let minutes = date.getMinutes(); //获取分钟
    let seconds = date.getSeconds(); //获取秒钟
    now = year + "-" + month + "-" + day + " " + hours + ":" + minutes + ":" + seconds; //拼接时间字符串
    return now;
}

/* 
 获取url中的参数
 url:路径
 paramName: 参数名
 */
export function getQueryVariable(url, paramName) {
    let rooms = url.split('?');
    for (let i = 0; i < rooms.length; i++) {
        let pair = rooms[i].split('=');
        if (pair[0] == paramName) {
            return (pair[1].split('&'))[0]
        }
    }
    //或者拼接&后面的值
    let vars = url.split('&')
    for (let i = 0; i < vars.length; i++) {
        let pair = vars[i].split('=')
        if (pair[0] == paramName) {
            return pair[1]
        }
    }
}