MQL4 Reference 
Predefined variables Time
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datetime Time[]
系列数组包含当前图表的每个柱开盘时间。数据像日期时间一样呈现时间，从1979年1月1日零点开始以秒计算。
系列数组元素被索引入倒序的定单，即从最后一个到第一个。
当前最后一个柱在数组中的索引为0。图表中的第一个柱的索引为 Bars-1.
参见 iTime().
示例:
for(i=Bars-2; i>=0; i--)
{
if(High[i+1] > LastHigh) LastHigh = High[i+1];
if(Low[i+1] < LastLow) LastLow = Low[i+1];
//----
if(TimeDay(Time[i]) != TimeDay(Time[i+1]))
{
P = (LastHigh + LastLow + Close[i+1])/3;
R1 = P*2 - LastLow;
S1 = P*2 - LastHigh;
R2 = P + LastHigh - LastLow;
S2 = P - (LastHigh - LastLow);
R3 = P*2 + LastHigh - LastLow*2;
S3 = P*2 - (LastHigh*2 - LastLow);
LastLow = Open[i];
LastHigh = Open[i];
}
//----
PBuffer[i] = P;
S1Buffer[i] = S1;
R1Buffer[i] = R1;
S2Buffer[i] = S2;
R2Buffer[i] = R2;
S3Buffer[i] = S3;
R3Buffer[i] = R3;
}
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