用JS寫，根據用戶輸入的年月份判斷是這年的第幾天
阿新 • • 發佈：2018-05-19
nth || AD lse quest 輸入 判斷 ear 月份
console.log("輸入年份：");
let year = readline.question() - 0;
console.log("輸入一個月份");
let month = readline.question() - 0;
console.log("輸入天數");
let day = readline.question() - 0;
if (year > 999 && year < 10000) {
if (month > 0 && month < 13) {
if (day > 0 && day < 30) { let c = 0; switch (month - 1) { case 11: c += 30; case 10: c += 31; case 9: c += 30; case 8: c += 31; case 7: c += 30; case 6: c += 31; case 5: c += 30; case 4: c += 31; case 3: c += 30; case 2: { if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0) { c += 29; } else { c += 28; } } case 1: c += 31; } console.log("在" + year + "中，你輸入的是當前第" + (c + day) + "天");
} else { console.log("天數錯誤"); } } else { console.log("月份錯誤"); } } else { console.log("年份輸入錯誤"); }
if (year > 999 && year < 10000) {
if (month > 0 && month < 13) {
if (day > 0 && day < 30) { let c = 0; switch (month - 1) { case 11: c += 30; case 10: c += 31; case 9: c += 30; case 8: c += 31; case 7: c += 30; case 6: c += 31; case 5: c += 30; case 4: c += 31; case 3: c += 30; case 2: { if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0) { c += 29; } else { c += 28; } } case 1: c += 31; } console.log("在" + year + "中，你輸入的是當前第" + (c + day) + "天");
} else { console.log("天數錯誤"); } } else { console.log("月份錯誤"); } } else { console.log("年份輸入錯誤"); }
用JS寫，根據用戶輸入的年月份判斷是這年的第幾天