修改时间需要是美国时间来倒计时、并把其他时间改成美国时间形式

pages/purchase/index.vue

@@ -47,23 +47,17 @@
                     <vue class="m-b-xs"><img :src="detail.icon" style="width: 30px;" /></vue>
                     <view class="m-b-xs">
                        <view class="label fn-10">{{ $t("purchase.a2") }}</view>
-                       <view class="color-light">{{
+                       <view class="color-light">{{convertTo12HourFormat(detail.expected_time_online)}}
-                           detail.expected_time_online
-                           }}
                        </view>
                     </view>
                     <view class="m-b-xs">
                        <view class="label fn-10">{{ $t("purchase.a3") }}</view>
-                       <view class="color-light">{{
+                       <view class="color-light">{{convertTo12HourFormat(detail.start_subscription_time)}}
-                            detail.start_subscription_time
-                            }}
                        </view>
                     </view>
                     <view class="m-b-xs">
                        <view class="label fn-10">{{ $t("purchase.a4") }}</view>
-                       <view class="color-light">{{
+                       <view class="color-light">{{convertTo12HourFormat(detail.end_subscription_time)}}
-                           detail.end_subscription_time
-                           }}
                        </view>
                     </view>
                 </view>
@@ -71,7 +65,7 @@
             <!-- 申购 -->
             <view class="bg-panel-3 p-md box-shadow">
                 <view class="title p-b-xs border-b">{{ $t("purchase.a5") }}</view>
-                <view class="title border-b" style="padding:10px 0px">{{ timerbool?$t("purchase.Countdown1"):$t("purchase.Countdown") }}：<span style="margin-right: 7px;">{{ days }}{{$t("purchase.day")}}</span><span>{{ hours }}:</span><span>{{ minutes }}:</span><span>{{ seconds }}</span></view>
+                <view class="title border-b" style="padding:10px 0px">{{ timerbool?$t("purchase.Countdown1"):$t("purchase.Countdown") }}：<span>{{ hours }}:</span><span>{{ minutes }}:</span><span>{{ seconds }}</span></view>
                 <view class="m-y-md">
                     <view class="label">{{ $t("purchase.a1") }}</view>
                     <v-picker
@@ -244,6 +238,7 @@ export default {
         ...mapGetters(['themeStyle'])
     },
     methods: {
+		convertTo12HourFormat: date.convertTo12HourFormat,
         omitTo(num, idx) {
             if (!num) return 0;
             return math.omitTo(num, idx);
@@ -264,14 +259,26 @@ export default {
 				// 初始化固定时间差
 				const start = new Date(this.detail.start_subscription_time).getTime();
 				const end = new Date(this.detail.end_subscription_time).getTime();
-				const now = Date.now();
+				const now = new Date();
-				if(now < start && now < end){
+				const options = { 
+				  timeZone: 'America/New_York', // 指定时区为纽约
+				  year: 'numeric', 
+				  month: '2-digit', 
+				  day: '2-digit', 
+				  hour: '2-digit', 
+				  minute: '2-digit', 
+				  second: '2-digit', 
+				  hour12: false // 使用24小时制
+				};
+				
+				const newYorkTime = new Date(now.toLocaleString('en-US', options)).getTime();
+				if(newYorkTime < start && newYorkTime < end){
 					this.timerbool = false
-					this.remainingSeconds = Math.floor((start - now) / 1000);
+					this.remainingSeconds = Math.floor((start - newYorkTime) / 1000);
 					this.startTimer()
-				}else if (now > start && now < end) {
+				}else if (newYorkTime > start && newYorkTime < end) {
 					this.timerbool = true
-					this.remainingSeconds = Math.floor((end - now) / 1000);
+					this.remainingSeconds = Math.floor((end - newYorkTime) / 1000);
 					this.startTimer()
 				}
             });
@@ -374,10 +381,10 @@ export default {
 		updateDisplay() {
 		  const seconds = this.remainingSeconds % 60;
 		  const minutes = Math.floor(this.remainingSeconds / 60) % 60;
-		  const hours = Math.floor(this.remainingSeconds / 3600) % 24;
+		  const hours = Math.floor(this.remainingSeconds / 3600);
-		  const days = Math.floor(this.remainingSeconds / 86400);
+		  // const days = Math.floor(this.remainingSeconds / 86400);
 		
-		  this.days = days;
+		  // this.days = days;
 		  this.hours = this.padZero(hours);
 		  this.minutes = this.padZero(minutes);
 		  this.seconds = this.padZero(seconds);

utils/class/date.js

@@ -113,6 +113,29 @@ function parseTime(time, isOffset = false, cformat = null) {
 	return result;
 }
 
+/**
+ * 接口时间转换成12进制
+ * @param {string|number} dateTimeStr 接口返回的时间和日期
+ */
+function convertTo12HourFormat(dateTimeStr) {
+    // 解析输入的日期时间字符串
+    const date = new Date(dateTimeStr.replace(' ', 'T')); // 使用 T 将字符串转换为 ISO 格式
+
+    // 获取各个部分
+    const year = date.getFullYear();
+    const month = String(date.getMonth() + 1).padStart(2, '0'); // 月份要加1，并填充为2位
+    const day = String(date.getDate()).padStart(2, '0'); // 填充为2位
+    let hours = date.getHours();
+    const minutes = String(date.getMinutes()).padStart(2, '0'); // 填充为2位
+    const seconds = String(date.getSeconds()).padStart(2, '0'); // 填充为2位
+
+    // 计算12小时制的小时和 AM/PM
+    const ampm = hours >= 12 ? 'PM' : 'AM';//PM代表下午，AM代表上午。
+    // hours = String(hours % 12 || 12).padStart(2, '0'); // 0转换为12
+
+    // 格式化输出
+    return `${day}-${month}-${year} ${hours}:${minutes}:${seconds} ${ampm}`;
+}
 
 
 /**
@@ -153,10 +176,12 @@ Object.assign(Date, {
     time2Date,
     parseTime,
     pubTime,
+	convertTo12HourFormat
 });
 
 export default{
     time2Date,
     parseTime,
-    pubTime
+    pubTime,
+	convertTo12HourFormat
 }