package cn.sinata.xldutils.utils
|
|
import android.net.Uri
|
import android.util.Base64
|
import java.io.File
|
import java.net.URLDecoder
|
import java.net.URLEncoder
|
import java.nio.charset.Charset
|
import java.security.MessageDigest
|
import java.security.NoSuchAlgorithmException
|
import java.util.regex.Pattern
|
|
|
/**
|
* 字符串长度。中文算2个字符。英文算1个字符计算。
|
*/
|
fun String?.lengthCN(): Int {
|
|
if (this.isNullOrEmpty()) {
|
return 0
|
}
|
var len = 0
|
var count = 0
|
while (count < this!!.length) {
|
val c = get(count)
|
len += if (c.toInt() < 128) {
|
1
|
} else {
|
2
|
}
|
count++
|
}
|
return len
|
}
|
|
/**
|
* 是否null或者'null'字符
|
*/
|
fun String?.isNulls(): Boolean = isNullOrEmpty() || equals("null")
|
|
/**
|
* urlEncode
|
*/
|
fun String?.urlEncode(): String {
|
return if (isNullOrEmpty()) "" else URLEncoder.encode(this, "utf-8")
|
}
|
|
/**
|
* urlDecode
|
*/
|
fun String?.urlDecode(): String {
|
return if (isNullOrEmpty()) "" else URLDecoder.decode(this, "utf-8")
|
}
|
|
/**
|
* base64
|
*/
|
fun String?.base64(charset: Charset = Charsets.UTF_8): String {
|
return if (isNullOrEmpty()) "" else Base64.encodeToString(this!!.toByteArray(charset), Base64.DEFAULT)
|
}
|
|
/**
|
* 是否有效手机号
|
*/
|
fun String?.isValidPhone(): Boolean {
|
if (isNullOrEmpty()) {
|
return false
|
}
|
if (this!!.length != 11) {
|
return false
|
}
|
val expression = "(^(13|14|15|16|17|18|19)[0-9]{9}$)"
|
val pattern = Pattern.compile(expression)
|
val matcher = pattern.matcher(this)
|
if (matcher.matches()) {
|
return true
|
}
|
return false
|
}
|
/**
|
* 是否有效坐机号
|
*/
|
fun String?.isValidPhone2(): Boolean {
|
if (isNullOrEmpty()) {
|
return false
|
}
|
val expression = "^0(10|2[0-5789]|\\d{3})\\d{7,8}$"
|
val pattern = Pattern.compile(expression)
|
val matcher = pattern.matcher(this)
|
if (matcher.matches()) {
|
return true
|
}
|
return false
|
}
|
|
/**
|
* 是否有效邮箱地址
|
*/
|
fun String?.isValidEmail(): Boolean {
|
if (isNullOrEmpty()) {
|
return false
|
}
|
val pattern = Pattern.compile("^([a-zA-Z0-9_\\-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([a-zA-Z0-9\\-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$")
|
val matcher = pattern.matcher(this)
|
if (matcher.matches()) {
|
return true
|
}
|
return false
|
}
|
|
/**
|
* 是否有效密码（包含大小字母、数字、特称字符，至少8个字符，最多30个字符）
|
*/
|
fun String?.isValidPassword(): Boolean {
|
if (isNullOrEmpty()) {
|
return false
|
}
|
val pattern = Pattern.compile("(?=.*[0-9])(?=.*[A-Z])(?=.*[a-z])(?=.*[^a-zA-Z0-9]).{8,30}")
|
val matcher = pattern.matcher(this)
|
if (matcher.matches()) {
|
return true
|
}
|
return false
|
}
|
|
/**
|
* 返回隐藏后的手机号，
|
*/
|
fun String?.hidePhone(): String {
|
if (isNullOrEmpty()) {
|
return ""
|
}
|
if (this!!.length < 7) {
|
return this
|
}
|
return substring(0, 3) + "****" + substring(length - 4, length)
|
}
|
|
/**
|
* 隐藏身份证号，必须不为null并且length大于10才返回处理后的字符串
|
*/
|
fun String?.hideIdCard(): String {
|
if (isNullOrEmpty()) {
|
return ""
|
}
|
if (this!!.length < 10) {
|
return this
|
}
|
return substring(0, 6) + "*****" + substring(length - 4, length)
|
}
|
|
fun String?.isFilePath(): Boolean {
|
if (isNullOrEmpty()) {
|
return false
|
}
|
return File(this).exists()
|
}
|
|
/**
|
* md5字符串
|
*/
|
fun String?.md5(): String {
|
if (this == null) {
|
return ""
|
}
|
try {
|
val bmd5 = MessageDigest.getInstance("MD5")
|
bmd5.update(this.toByteArray())
|
var i: Int
|
val buf = StringBuffer()
|
val b = bmd5.digest()
|
for (offset in b.indices) {
|
i = b[offset].toInt()
|
if (i < 0) {
|
i += 256
|
}
|
if (i < 16) {
|
buf.append("0")
|
}
|
buf.append(Integer.toHexString(i))
|
}
|
return buf.toString()
|
} catch (e: NoSuchAlgorithmException) {
|
e.printStackTrace()
|
} catch (e: NullPointerException) {
|
e.printStackTrace()
|
}
|
return ""
|
}
|
|
fun String?.toImageUri(): Uri {
|
if (this == null) {
|
return Uri.parse("")
|
}
|
return Uri.parse(this)
|
}
|
|
fun String?.isLetterDigit(): Boolean {
|
if (this == null) {
|
return false
|
}
|
var isDigit = false//定义一个boolean值，用来表示是否包含数字
|
var isLetter = false//定义一个boolean值，用来表示是否包含字母
|
this.forEach {
|
if (Character.isDigit(it)) {
|
isDigit = true
|
}
|
//用char包装类中的判断字母的方法判断每一个字符
|
if (Character.isLetter(it)) {
|
isLetter = true
|
}
|
}
|
val regex = "^[a-zA-Z0-9]+$"
|
return isDigit && isLetter && matches(Regex(regex))
|
}
|
/**
|
* 是否有效身份证
|
*/
|
fun String?.isValidIdCard(): Boolean {
|
if (isNullOrEmpty()) {
|
return false
|
}
|
if (this!!.length != 18) {
|
return false
|
}
|
val expression = "(^[1-9]\\d{5}(18|19|([23]\\d))\\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\\d{3}[0-9Xx]\$)"
|
val pattern = Pattern.compile(expression)
|
val matcher = pattern.matcher(this)
|
if (matcher.matches()) {
|
return true
|
}
|
return false
|
}
|
|
fun String.isVideo():Boolean{
|
if (isNullOrEmpty()) {
|
return false
|
}
|
return (endsWith("flv")||endsWith("mp4")||endsWith("mkv")||endsWith("avi"))
|
}
|
