修改

ShenQi/NotiCenterTableViewCell.m

@@ -39,12 +39,35 @@
     self.widthConstraint.constant = width+10;
     self.dateLabel.text = self.list.createTime;
     self.titleLabel.text = self.list.title;
+
+    double minutesDiff = [self minutesDifferenceFromTimeString:self.list.createTime withFormat:@"yyyy-MM-dd HH:mm:ss"];
+    [self.pvLab setTitle:[NSString stringWithFormat:@" %.0f",1000+minutesDiff] forState:0];
+    
 }
 
-- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
-    [super setSelected:selected animated:animated];
-
-    // Configure the view for the selected state
+// 计算时间字符串与当前时间的分钟差
+- (double)minutesDifferenceFromTimeString:(NSString *)timeString withFormat:(NSString *)dateFormat {
+    // 1. 创建日期格式化器
+    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
+    [dateFormatter setDateFormat:dateFormat]; // 例如: @"yyyy-MM-dd HH:mm:ss"
+    
+    // 2. 将时间字符串转换为 NSDate
+    NSDate *targetDate = [dateFormatter dateFromString:timeString];
+    if (!targetDate) {
+        NSLog(@"时间字符串格式错误！");
+        return 0;
+    }
+    
+    // 3. 获取当前时间
+    NSDate *currentDate = [NSDate date];
+    
+    // 4. 计算时间差（秒）
+    NSTimeInterval timeInterval = [currentDate timeIntervalSinceDate:targetDate];
+    
+    // 5. 转换为分钟（绝对值，避免负值）
+    double minutes = fabs(timeInterval / 60.0);
+    
+    return minutes;
 }
 
 @end