新增求时间差函数

Author: XINCGer

SomeTest/os_time/MyTimeTest.lua

@@ -1,3 +1,4 @@
+require "timespan"
 print("=================os.time test===============")
 print(os.time())
 print(os.time({day=26,month=4,year=2018}))
@@ -16,4 +17,6 @@ print(os.date("%Y"))
 -- 显示当前是一年中的第几周
 print(os.date("%U"))
 -- 组合格式化时间
-print(os.date("%Y-%m-%d, %H:%M:%S",os.time()))
+print(os.date("%Y-%m-%d, %H:%M:%S",os.time()))
+
+print(getRemainTime("24:00:00"))

SomeTest/os_time/timespan.lua

@@ -0,0 +1,35 @@
+Split = function(szFullString,szSeprator)
+    local nFindStartIndex = 1
+    local nSplitIndex = 1
+    local nSplitArray = {}
+    while true do
+        local nFindLastIndex = string.find(szFullString,szSeprator,nFindStartIndex)
+        if not nFindLastIndex then
+            nSplitArray[nSplitIndex] = string.sub(szFullString,nFindStartIndex,string.len(szFullString))
+            break
+        end
+        nSplitArray[nSplitIndex] = string.sub(szFullString,nFindStartIndex,nFindLastIndex - 1)
+        nFindStartIndex = nFindLastIndex + string.len(szSeprator)
+        nSplitIndex = nSplitIndex + 1
+    end
+    return nSplitArray
+end
+
+formatTime = function( timeStr )
+    local splited = Split(timeStr, ":")
+    local h = splited[1]
+    local m = splited[2]
+    return tonumber(h), tonumber(m)
+end
+
+getRemainTime = function(timeStr)
+    local h1, m1 = formatTime(timeStr)
+    local curTime = os.date("*t", os.time())
+    local curH = curTime.hour
+    local curM = curTime.min
+
+    local remainH = h1 - curH
+    local remainM = m1 - curM
+    local totalRemainSeCond = remainH * 3600 + remainM * 60
+    return totalRemainSeCond
+end