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hotgo-uniapp/uview-ui/libs/function/date.js

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+// 格式化时间戳
+export default function formatTimestamp(format, timestamp) {
+    var a, jsdate = ((timestamp) ? new Date(timestamp * 1000) : new Date());
+    var pad = function (n, c) {
+        if ((n = n + "").length < c) {
+            return new Array(++c - n.length).join("0") + n;
+        } else {
+            return n;
+        }
+    };
+    var txt_weekdays = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
+    var txt_ordin = {1: "st", 2: "nd", 3: "rd", 21: "st", 22: "nd", 23: "rd", 31: "st"};
+    var txt_months = ["", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
+    var f = {
+        // Day
+        d: function () {
+            return pad(f.j(), 2)
+        },
+        D: function () {
+            return f.l().substr(0, 3)
+        },
+        j: function () {
+            return jsdate.getDate()
+        },
+        l: function () {
+            return txt_weekdays[f.w()]
+        },
+        N: function () {
+            return f.w() + 1
+        },
+        S: function () {
+            return txt_ordin[f.j()] ? txt_ordin[f.j()] : 'th'
+        },
+        w: function () {
+            return jsdate.getDay()
+        },
+        z: function () {
+            return (jsdate - new Date(jsdate.getFullYear() + "/1/1")) / 864e5 >> 0
+        },
+
+        // Week
+        W: function () {
+            var a = f.z(), b = 364 + f.L() - a;
+            var nd2, nd = (new Date(jsdate.getFullYear() + "/1/1").getDay() || 7) - 1;
+            if (b <= 2 && ((jsdate.getDay() || 7) - 1) <= 2 - b) {
+                return 1;
+            } else {
+                if (a <= 2 && nd >= 4 && a >= (6 - nd)) {
+                    nd2 = new Date(jsdate.getFullYear() - 1 + "/12/31");
+                    return date("W", Math.round(nd2.getTime() / 1000));
+                } else {
+                    return (1 + (nd <= 3 ? ((a + nd) / 7) : (a - (7 - nd)) / 7) >> 0);
+                }
+            }
+        },
+
+        // Month
+        F: function () {
+            return txt_months[f.n()]
+        },
+        m: function () {
+            return pad(f.n(), 2)
+        },
+        M: function () {
+            return f.F().substr(0, 3)
+        },
+        n: function () {
+            return jsdate.getMonth() + 1
+        },
+        t: function () {
+            var n;
+            if ((n = jsdate.getMonth() + 1) == 2) {
+                return 28 + f.L();
+            } else {
+                if (n & 1 && n < 8 || !(n & 1) && n > 7) {
+                    return 31;
+                } else {
+                    return 30;
+                }
+            }
+        },
+
+        // Year
+        L: function () {
+            var y = f.Y();
+            return (!(y & 3) && (y % 1e2 || !(y % 4e2))) ? 1 : 0
+        },
+        //o not supported yet
+        Y: function () {
+            return jsdate.getFullYear()
+        },
+        y: function () {
+            return (jsdate.getFullYear() + "").slice(2)
+        },
+
+        // Time
+        a: function () {
+            return jsdate.getHours() > 11 ? "pm" : "am"
+        },
+        A: function () {
+            return f.a().toUpperCase()
+        },
+        B: function () {
+            // peter paul koch:
+            var off = (jsdate.getTimezoneOffset() + 60) * 60;
+            var theSeconds = (jsdate.getHours() * 3600) + (jsdate.getMinutes() * 60) + jsdate.getSeconds() + off;
+            var beat = Math.floor(theSeconds / 86.4);
+            if (beat > 1000) beat -= 1000;
+            if (beat < 0) beat += 1000;
+            if ((String(beat)).length == 1) beat = "00" + beat;
+            if ((String(beat)).length == 2) beat = "0" + beat;
+            return beat;
+        },
+        g: function () {
+            return jsdate.getHours() % 12 || 12
+        },
+        G: function () {
+            return jsdate.getHours()
+        },
+        h: function () {
+            return pad(f.g(), 2)
+        },
+        H: function () {
+            return pad(jsdate.getHours(), 2)
+        },
+        i: function () {
+            return pad(jsdate.getMinutes(), 2)
+        },
+        s: function () {
+            return pad(jsdate.getSeconds(), 2)
+        },
+        //u not supported yet
+
+        // Timezone
+        //e not supported yet
+        //I not supported yet
+        O: function () {
+            var t = pad(Math.abs(jsdate.getTimezoneOffset() / 60 * 100), 4);
+            if (jsdate.getTimezoneOffset() > 0) t = "-" + t; else t = "+" + t;
+            return t;
+        },
+        P: function () {
+            var O = f.O();
+            return (O.substr(0, 3) + ":" + O.substr(3, 2))
+        },
+        //T not supported yet
+        //Z not supported yet
+
+        // Full Date/Time
+        c: function () {
+            return f.Y() + "-" + f.m() + "-" + f.d() + "T" + f.h() + ":" + f.i() + ":" + f.s() + f.P()
+        },
+        //r not supported yet
+        U: function () {
+            return Math.round(jsdate.getTime() / 1000)
+        }
+    };
+
+    return format.replace(/[\]?([a-zA-Z])/g, function (t, s) {
+        if (t != s) {
+            // escaped
+            ret = s;
+        } else if (f[s]) {
+            // a date function exists
+            ret = f[s]();
+        } else {
+            // nothing special
+            ret = s;
+        }
+        return ret;
+    });
+}
+