2021-12-21 swift 身份证号校验

funccheckIdentityCardNumber(_ number: String) -> Bool {

        //判断位数

        ifnumber.count !=15&& number.count !=18{

            returnfalse

        }

        var carid = number

        var lSumQT =0

        //加权因子

        let R = [7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2]

        //校验码

        let sChecker: [Int8] = [49,48,88,57,56,55,54,53,52,51,50]

        //将15位身份证号转换成18位

        let mString = NSMutableString.init(string: number)

        ifnumber.count ==15{

            mString.insert("19", at:6)

            var p =0

            let pid = mString.utf8String

            foriin0...16{

                let t = Int(pid![i])

                p += (t -48) * R[i]

            }

            let o = p %11

            let stringContent = NSString(format:"%c", sChecker[o])

            mString.insert(stringContent as String, at: mString.length)

            carid = mString as String

        }

        let cStartIndex = carid.startIndex

        let _ = carid.endIndex

        let index = carid.index(cStartIndex, offsetBy:2)

        //判断地区码

        let sProvince = String(carid[cStartIndex..

        if(!self.areaCodeAt(sProvince)) {

            returnfalse

        }

        //判断年月日是否有效

        //年份

        let yStartIndex = carid.index(cStartIndex, offsetBy:6)

        let yEndIndex = carid.index(yStartIndex, offsetBy:4)

        let strYear = Int(carid[yStartIndex..

        //月份

        let mStartIndex = carid.index(yEndIndex, offsetBy:0)

        let mEndIndex = carid.index(mStartIndex, offsetBy:2)

        let strMonth = Int(carid[mStartIndex..

        //日

        let dStartIndex = carid.index(mEndIndex, offsetBy:0)

        let dEndIndex = carid.index(dStartIndex, offsetBy:2)

        let strDay = Int(carid[dStartIndex..

        let localZone = NSTimeZone.local

        let dateFormatter = DateFormatter()

        dateFormatter.dateStyle = .medium

        dateFormatter.timeStyle = .none

        dateFormatter.timeZone = localZone

        dateFormatter.dateFormat ="yyyy-MM-dd HH:mm:ss"

        let date = dateFormatter.date(from:"\(String(format: "%02d",strYear!))-\(String(format: "%02d",strMonth!))-\(String(format: "%02d",strDay!)) 12:01:01")

        ifdate ==nil{

            returnfalse

        }

        let paperId = carid.utf8CString

        //检验长度

        if18!= carid.count {

            returnfalse

        }

        //校验数字

        func isDigit(c: Int) -> Bool {

            return0<= c && c <=9

        }

        foriin0...18{

            letid= Int(paperId[i])

            ifisDigit(c:id) && !(88==id||120==id) &&17== i {

                returnfalse

            }

        }

        //验证最末的校验码

        foriin0...16{

            let v = Int(paperId[i])

            lSumQT += (v -48) * R[i]

        }

        ifsChecker[lSumQT%11] != paperId[17] {

            returnfalse

        }

        return true

    }

    funcareaCodeAt(_ code: String) -> Bool {

        var dic: [String: String] = [:]

        dic["11"] ="北京"

        dic["12"] ="天津"

        dic["13"] ="河北"

        dic["14"] ="山西"

        dic["15"] ="内蒙古"

        dic["21"] ="辽宁"

        dic["22"] ="吉林"

        dic["23"] ="黑龙江"

        dic["31"] ="上海"

        dic["32"] ="江苏"

        dic["33"] ="浙江"

        dic["34"] ="安徽"

        dic["35"] ="福建"

        dic["36"] ="江西"

        dic["37"] ="山东"

        dic["41"] ="河南"

        dic["42"] ="湖北"

        dic["43"] ="湖南"

        dic["44"] ="广东"

        dic["45"] ="广西"

        dic["46"] ="海南"

        dic["50"] ="重庆"

        dic["51"] ="四川"

        dic["52"] ="贵州"

        dic["53"] ="云南"

        dic["54"] ="西藏"

        dic["61"] ="陕西"

        dic["62"] ="甘肃"

        dic["63"] ="青海"

        dic["64"] ="宁夏"

        dic["65"] ="新疆"

        dic["71"] ="台湾"

        dic["81"] ="香港"

        dic["82"] ="澳门"

        dic["91"] ="国外"

        if(dic[code] ==nil) {

            returnfalse;

        }

        returntrue;

    }