swift之TextField神魔禁止系列
手机号输入：禁止输入除数字以外的符号
身份证：只能输入'x','X',加数字
发红包：只能输入一个小数点，且只能保存两位小数
使用注意，要判断小数点，或者x时，必须先将TextFieldLimit.shareIntance.isHavePoint/isHaveX赋值为false
依照了点点点系列方法
// MARK: UITextView代理方法 extension PhoneVerificationView: UITextFieldDelegate { func textField( textField: UITextField, shouldChangeCharactersInRange range: NSRange, replacementString string: String) -> Bool { return TextFieldLimit .shareIntance .textField(textField) .range(shouldChangeCharactersInRange: range) .string(replacementString: string) .phoneNumber() && TextFieldLimit .shareIntance .length(6) } }
TextFieldLimit.swift
// // InputNumberAndPoint.swift // DPplatform // // Created by 王雄皓 on 16/7/29. // Copyright © 2016年 王雄皓. All rights reserved. // import UIKit public class TextFieldLimit: NSObject { static let shareIntance = TextFieldLimit() // 每次视图实例都必须重新赋值 var isHavePoint = false var isHaveX = false // 限制最大值 private let maxNumber: Int32 = 99999 private var textField = UITextField() private var range = NSRange() private var string = String() /* * 需要限制的textField * @parm tf * return self */ public func textField(tf: UITextField) -> TextFieldLimit{ textField = tf return self } /* * @parm range * return self */ public func range(shouldChangeCharactersInRange rang: NSRange) -> TextFieldLimit { range = rang return self } /* * @parm str 最后拼接字符 * return self */ public func string(replacementString str: String) -> TextFieldLimit { string = str return self } /* * 限制只能输入数字，点，不能输入特殊字符 * return true / false */ public func numberAndPoint() -> Bool { let newString = (textField.text! as NSString).stringByReplacingCharactersInRange(range, withString: string) let length = string.lengthOfBytesUsingEncoding(NSUTF8StringEncoding) let dianRange = newString.rangeOfString(".") if dianRange == nil{ isHavePoint = false } // 限制只能输入数字,点，不能输入特殊字符 for loopIndex in 0..<length { let char = (string as NSString).characterAtIndex(loopIndex) if isHavePoint == false { if char == 46 { isHavePoint = true return true } } if char < 48 { return false } if char > 57 { return false } } if isHavePoint { let dianIndex = Int((dianRange?.description[0...0])!) if newString.length - 3 > dianIndex { return false } } // 最大值 let trueMoney = NSString.init(string: newString) if trueMoney.intValue > maxNumber { return false } return true } /* * 限制输入长度 * @param long 限制长度 * return true / false */ public func length(long: Int) -> Bool { let text: NSMutableString = NSMutableString.init(string: textField.text!) text.replaceCharactersInRange(range, withString: string) return text.length <= long } /* * 限制输入长度 * @param long 限制长度 * return true / false */ public func currentText() -> String { let text: NSMutableString = NSMutableString.init(string: textField.text!) text.replaceCharactersInRange(range, withString: string) return text as String } /* * 验证输入手机号码 * @param num 手机号码字符串 * return true / false */ public func telNumber(num: String) -> Bool { let mobile = "^1(3[0-9]|5[0-35-9]|8[025-9])\\d{8}$" let CM = "^1(34[0-8]|(3[5-9]|5[017-9]|8[278])\\d)\\d{7}$" let CU = "^1(3[0-2]|5[256]|8[56])\\d{8}$" let CT = "^1((33|53|8[09])[0-9]|349)\\d{7}$" let regextestmobile = NSPredicate(format: "SELF MATCHES %@",mobile) let regextestcm = NSPredicate(format: "SELF MATCHES %@",CM ) let regextestcu = NSPredicate(format: "SELF MATCHES %@" ,CU) let regextestct = NSPredicate(format: "SELF MATCHES %@" ,CT) if ((regextestmobile.evaluateWithObject(num) == true) || (regextestcm.evaluateWithObject(num) == true) || (regextestct.evaluateWithObject(num) == true) || (regextestcu.evaluateWithObject(num) == true)) { return true } else { return false } } /** * 验证身份证号码是否正确的方法 * param IDNumber 传进身份证号码字符串 * return 返回true或false表示该身份证号码是否符合国家标准 */ public func isCorrect(IDNumber: String?) -> Bool { let IDs = NSMutableArray() let IDNumberNSString = IDNumber! as NSString for index in 0...16 { let range = NSMakeRange(index, 1) let subString: Int = IDNumberNSString.substringWithRange(range).toInt()! IDs.addObject(subString) } let coefficientArray = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2] let remainderArray = [1, 0, "X", 9, 8, 7, 6, 5, 4, 3, 2] var sum = 0 for index in 0...16 { let coefficient = coefficientArray[index] as Int let ID = IDs[index] as! Int sum = sum + coefficient * ID print(sum) } let theCalculateLastNumber = remainderArray[sum % 11] let theLastNumber = IDNumberNSString.substringFromIndex(17).toInt() if theCalculateLastNumber == theLastNumber { return true }else if theLastNumber == nil && (theCalculateLastNumber == "x" || theCalculateLastNumber == "X") { return true } return false } /** * 限制只能输入数字 * return true或false */ func phoneNumber() -> Bool { let length = string.lengthOfBytesUsingEncoding(NSUTF8StringEncoding) // 限制只能输入数字,点，不能输入特殊字符 for loopIndex in 0..<length { let char = (string as NSString).characterAtIndex(loopIndex) if char < 48 { return false } if char > 57 { return false } } return true } /** * 限制只能输入数字和X且只有一个X * return true或false */ func IDCard() -> Bool { let newString = (textField.text! as NSString).stringByReplacingCharactersInRange(range, withString: string) let length = string.lengthOfBytesUsingEncoding(NSUTF8StringEncoding) let xRange = newString.rangeOfString("x") let XRange = newString.rangeOfString("X") if XRange == nil && xRange == nil{ isHaveX = false } // 限制只能输入数字,点，不能输入特殊字符 for loopIndex in 0..<length { let char = (string as NSString).characterAtIndex(loopIndex) if isHaveX == false { if char == 88 || char == 120{ isHaveX = true return true } } if char < 48 { return false } if char > 57 { return false } } return true } }
