feat(Go-Tool):2020/02/18:bitStore新增特殊档位获取方法,修改档位数目的参数标识
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@@ -12,13 +12,13 @@ package bitStore
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import "fmt"
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const (
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bit = 32
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realBit = 31
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bit = 32 //作为标识,没有实际作用
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realBit = 31 //真实参与计算的每个数字代表的档位数量
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)
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type BitStore struct {
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MaxGear int //存储的最大挡位
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GearPickList []int
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MaxGear int //存储的最大挡位
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GearPickList []int //用来表示档位的数组(每一个数表示【下标 * bit】位的档位存储结果)
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}
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//初始化方法,gear表示最大的领取档位是多少.(档位刚开始计算,没有值的情况)
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@@ -34,6 +34,19 @@ func NewBitStore(gear int, gearPickList []int) *BitStore {
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}
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}
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//返回指定档位长度的领取状态数组
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func (bitStore *BitStore) FindSpecialGearList(gear int) []bool {
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bitStore.checkGearRight(gear) //校验传进来的长度是否正确
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bitStore.getSizeOrInit() //如果数组没有初始化,进行初始化
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return bitStore.getGearListByGear(gear) //返回指定长度的领取状态数组
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}
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//获取当前有记录的档位的Map
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func (bitStore *BitStore) FindGearMap() map[int]bool {
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listSize := bitStore.getSizeOrInit() //获取当前数组长度,如果数组没有初始化,进行初始化
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return bitStore.shortListDeal(listSize, listSize) //短数组的处理(没有达到最大大小的数组长度)
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}
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//获取所有档位对应的Map
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func (bitStore *BitStore) FindAllGearMap() map[int]bool {
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length := bitStore.getGearListLength(bitStore.MaxGear) //获取最大档位的长度
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@@ -73,12 +86,12 @@ func (bitStore *BitStore) checkGearRight(gear int) {
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//获取当前档位对应的数组长度(这边的length是从1开始的.)
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func (bitStore *BitStore) getGearListLength(gear int) int {
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return ((gear - 1) + (bit - 1)) / (bit - 1)
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return ((gear - 1) + realBit) / realBit
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}
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//获取档位所在的二进制位置
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func (bitStore *BitStore) getGearPosition(gear, length int) int {
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return (gear - 1) % (bit - 1)
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return gear - realBit*(length-1) - 1
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}
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func (bitStore *BitStore) getSizeOrInit() int {
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@@ -91,8 +104,8 @@ func (bitStore *BitStore) getSizeOrInit() int {
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func (bitStore *BitStore) fullListDeal(listSize int, length int) map[int]bool {
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resultMap := make(map[int]bool, 0)
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for i := 0; i < length; i++ {
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for j := 0; j < bit-1 && bitStore.MaxGear > i*(bit-1)+j; j++ {
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resultMap[i*(bit-1)+j+1] = (bitStore.GearPickList[i] & (1 << uint(j))) > 0
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for j := 0; j < realBit && bitStore.MaxGear > i*realBit+j; j++ {
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resultMap[i*realBit+j+1] = (bitStore.GearPickList[i] & (1 << uint(j))) > 0
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}
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}
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return resultMap
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@@ -101,13 +114,13 @@ func (bitStore *BitStore) fullListDeal(listSize int, length int) map[int]bool {
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func (bitStore *BitStore) shortListDeal(listSize, length int) map[int]bool {
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resultMap := make(map[int]bool, 0)
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for i := 0; i < listSize; i++ {
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for j := 0; j < (bit - 1); j++ {
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resultMap[i*(bit-1)+j+1] = (bitStore.GearPickList[i] & (1 << uint(j))) > 0
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for j := 0; j < realBit; j++ {
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resultMap[i*realBit+j+1] = (bitStore.GearPickList[i] & (1 << uint(j))) > 0
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}
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}
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for i := listSize; i < length; i++ {
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for j := 0; j < (bit-1) && bitStore.MaxGear > i*(bit-1)+j; j++ {
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resultMap[i*(bit-1)+j+1] = false
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for j := 0; j < realBit && bitStore.MaxGear > i*realBit+j; j++ {
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resultMap[i*realBit+j+1] = false
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}
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}
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return resultMap
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@@ -131,3 +144,29 @@ func (bitStore *BitStore) checkIfReceive(gear int) {
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panic("当前档位已被领取,不可重复领取")
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}
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}
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func (bitStore *BitStore) getGearListByGear(gear int) []bool {
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gearList := make([]bool, 0)
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listAllGear := len(bitStore.GearPickList) * realBit //当前已领取数组可表示的总档位
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//如果指定的长度大于gear已有数组长度,需要特殊处理
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if listAllGear <= gear {
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for i := 0; i < (listAllGear-1)/realBit+1; i++ {
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for j := 0; j < realBit && realBit*i+j < gear; j++ {
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gearList = append(gearList, (bitStore.GearPickList[i]&(1<<uint(j))) > 0)
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}
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}
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for i := 0; i < gear-listAllGear; i++ {
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for j := 0; j < realBit && realBit*i+j < gear-listAllGear; j++ {
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gearList = append(gearList, false)
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}
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}
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return gearList
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}
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//如果获取的档位比实际记录的档位小
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for i := 0; i < (gear-1)/realBit+1; i++ {
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for j := 0; j < realBit && realBit*i+j < gear; j++ {
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gearList = append(gearList, (bitStore.GearPickList[i]&(1<<uint(j))) > 0)
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}
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}
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return gearList
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}
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