1.正则校验
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Validation {
???//------------------常量定义
???/**
????* Email正则表达式="^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$";
????*/
???//public static final String EMAIL = "^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$";;
???public static final String EMAIL = "\\w+(\\.\\w+)*@\\w+(\\.\\w+)+";
???/**
????* 电话号码正则表达式= ????String regex = "^((13[0-9])|(14[5,7,9])|(15([0-3]|[5-9]))|(17[0,1,3,5,6,7,8])|(18[0-9])|(19[8|9]))\\d{8}$";
????*/
???public static final String PHONE = ?"^((13[0-9])|(14[5,7,9])|(15([0-3]|[5-9]))|(17[0,1,3,5,6,7,8])|(18[0-9])|(19[8|9]))\\d{8}$";
???/**
????* 手机号码正则表达式=^(13[0-9]|14[0-9]|15[0-9]|17[0-9]|18[0-9])\d{8}$
????*/
???public static final String MOBILE ="^(13[0-9]|14[0-9]|15[0-9]|17[0-9]|18[0-9])\\d{8}$";
???/**
????* 校验手机号格式不校验正确性^1[0-9]{10}$
???*/
???public static final String MobileByFormat= "^1[0-9]{10}$";
???/**
????* Integer正则表达式 ^-?(([1-9]\d*$)|0)
????*/
???public static final String ?INTEGER = "^-?(([1-9]\\d*$)|0)";
???/**
????* 正整数正则表达式 >=0 ^[1-9]\d*|0$
????*/
???public static final String ?INTEGER_NEGATIVE = "^[1-9]\\d*|0$";
???/**
????* 负整数正则表达式 <=0 ^-[1-9]\d*|0$
????*/
???public static final String ?INTEGER_POSITIVE = "^-[1-9]\\d*|0$";
???/**
????* Double正则表达式 ^-?([1-9]\d*\.\d*|0\.\d*[1-9]\d*|0?\.0+|0)$
????*/
???public static final String ?DOUBLE ="^-?([1-9]\\d*\\.\\d*|0\\.\\d*[1-9]\\d*|0?\\.0+|0)$";
???/**
????* 正Double正则表达式 >=0 ?^[1-9]\d*\.\d*|0\.\d*[1-9]\d*|0?\.0+|0$
????*/
???public static final String ?DOUBLE_NEGATIVE ="^[1-9]\\d*\\.\\d*|0\\.\\d*[1-9]\\d*|0?\\.0+|0$";
???/**
????* 负Double正则表达式 <= 0 ?^(-([1-9]\d*\.\d*|0\.\d*[1-9]\d*))|0?\.0+|0$
????*/
???public static final String ?DOUBLE_POSITIVE ="^(-([1-9]\\d*\\.\\d*|0\\.\\d*[1-9]\\d*))|0?\\.0+|0$";
???/**
????* 年龄正则表达式 ^(?:[1-9][0-9]?|1[01][0-9]|120)$ 匹配0-120岁
????*/
???public static final String ?AGE="^(?:[1-9][0-9]?|1[01][0-9]|120)$";
???/**
????* 邮编正则表达式 ?[0-9]\d{5}(?!\d) 国内6位邮编
????*/
???public static final String ?CODE="[0-9]\\d{5}(?!\\d)";
???/**
????* 匹配由数字、26个英文字母或者下划线组成的字符串 ^\w+$
????*/
???public static final String STR_ENG_NUM_="^\\w+$";
???/**
????* 匹配由数字和26个英文字母组成的字符串 ^[A-Za-z0-9]+$
????*/
???public static final String STR_ENG_NUM="^[A-Za-z0-9]+";
???/**
????* 匹配由26个英文字母组成的字符串 ?^[A-Za-z]+$
????*/
???public static final String STR_ENG="^[A-Za-z]+$";
???/**
????* 过滤特殊字符串正则
????* regEx="[`~!@#$%^&*()+=|{}‘:;‘,\\[\\].<>/?~！@#￥%……&*（）——+|{}【】‘；：”“’。，、？]";
????*/
???public static final String STR_SPECIAL="[`~!@#$%^&*()+=|{}‘:;‘,\\[\\].<>/?~！@#￥%……&*（）——+|{}【】‘；：”“’。，、？]";
???/***
????* 日期正则 支持：
????* ?YYYY-MM-DD
????* ?YYYY/MM/DD
????* ?YYYY_MM_DD
????* ?YYYYMMDD
????* ?YYYY.MM.DD的形式
????*/
???public static final String DATE_ALL="((^((1[8-9]\\d{2})|([2-9]\\d{3}))([-\\/\\._]?)(10|12|0?[13578])([-\\/\\._]?)(3[01]|[12][0-9]|0?[1-9])$)" +
???????????"|(^((1[8-9]\\d{2})|([2-9]\\d{3}))([-\\/\\._]?)(11|0?[469])([-\\/\\._]?)(30|[12][0-9]|0?[1-9])$)" +
???????????"|(^((1[8-9]\\d{2})|([2-9]\\d{3}))([-\\/\\._]?)(0?2)([-\\/\\._]?)(2[0-8]|1[0-9]|0?[1-9])$)|(^([2468][048]00)([-\\/\\._]?)(0?2)([-\\/\\._]?)(29)$)|(^([3579][26]00)" +
???????????"([-\\/\\._]?)(0?2)([-\\/\\._]?)(29)$)" +
???????????"|(^([1][89][0][48])([-\\/\\._]?)(0?2)([-\\/\\._]?)(29)$)|(^([2-9][0-9][0][48])([-\\/\\._]?)" +
???????????"(0?2)([-\\/\\._]?)(29)$)" +
???????????"|(^([1][89][2468][048])([-\\/\\._]?)(0?2)([-\\/\\._]?)(29)$)|(^([2-9][0-9][2468][048])([-\\/\\._]?)(0?2)" +
???????????"([-\\/\\._]?)(29)$)|(^([1][89][13579][26])([-\\/\\._]?)(0?2)([-\\/\\._]?)(29)$)|" +
???????????"(^([2-9][0-9][13579][26])([-\\/\\._]?)(0?2)([-\\/\\._]?)(29)$))";
???/***
????* 日期正则 支持：
????* ?YYYY-MM-DD
????*/
???public static final String DATE_FORMAT1="(([0-9]{3}[1-9]|[0-9]{2}[1-9][0-9]{1}|[0-9]{1}[1-9][0-9]{2}|[1-9][0-9]{3})-(((0[13578]|1[02])-(0[1-9]|[12][0-9]|3[01]))|((0[469]|11)-(0[1-9]|[12][0-9]|30))|(02-(0[1-9]|[1][0-9]|2[0-8]))))|((([0-9]{2})(0[48]|[2468][048]|[13579][26])|((0[48]|[2468][048]|[3579][26])00))-02-29)";
???/**
????* URL正则表达式
????* 匹配 http www ftp
????*/
???public static final String URL = "^(http|www|ftp|)?(://)?(\\w+(-\\w+)*)(\\.(\\w+(-\\w+)*))*((:\\d+)?)(/(\\w+(-\\w+)*))*(\\.?(\\w)*)(\\?)?" +
???????????"(((\\w*%)*(\\w*\\?)*(\\w*:)*(\\w*\\+)*(\\w*\\.)*(\\w*&)*(\\w*-)*(\\w*=)*(\\w*%)*(\\w*\\?)*" +
???????????"(\\w*:)*(\\w*\\+)*(\\w*\\.)*" +
???????????"(\\w*&)*(\\w*-)*(\\w*=)*)*(\\w*)*)$";
???/**
????* 身份证正则表达式
????*/
???public static final String IDCARD="((11|12|13|14|15|21|22|23|31|32|33|34|35|36|37|41|42|43|44|45|46|50|51|52|53|54|61|62|63|64|65)[0-9]{4})" +
???????????"(([1|2][0-9]{3}[0|1][0-9][0-3][0-9][0-9]{3}" +
???????????"[Xx0-9])|([0-9]{2}[0|1][0-9][0-3][0-9][0-9]{3}))";
???/**
????* 机构代码
????*/
???public static final String JIGOU_CODE = "^[A-Z0-9]{8}-[A-Z0-9]$";
???/**
????* 匹配数字组成的字符串 ?^[0-9]+$
????*/
???public static final String STR_NUM = "^[0-9]+$";
???//匹配中英文
???public static final String ZH_ENG = "^[a-zA-Z\\u4e00-\\u9fa5]+$";
// ?//------------------验证方法
???/**
????* 判断字段是否为空 符合返回ture
????* @param str
????* @return boolean
????*/
???public static synchronized boolean StrisNull(String str) {
???????return null == str || str.trim().length() <= 0 ? true : false ;
???}
???/**
????* 判断字段是非空 符合返回ture
????* @param str
????* @return boolean
????*/
???public static ?boolean StrNotNull(String str) {
???????return !StrisNull(str) ;
???}
???/**
????* 字符串null转空
????* @param str
????* @return boolean
????*/
???public static ?String nulltoStr(String str) {
???????return StrisNull(str)?"":str;
???}
???/**
????* 字符串null赋值默认值
????* @param str ???目标字符串
????* @param defaut 默认值
????* @return String
????*/
???public static ?String nulltoStr(String str,String defaut) {
???????return StrisNull(str)?defaut:str;
???}
???/**
????* 判断字段是否为Email 符合返回ture
????* @param str
????* @return boolean
????*/
???public static ?boolean isEmail(String str) {
???????return Regular(str,EMAIL);
???}
???/**
????* 判断是否为电话号码 符合返回ture
????* @param str
????* @return boolean
????*/
???public static ?boolean isPhone(String str) {
???????return Regular(str,PHONE);
???}
???/**
????* 判断是否为手机号码 符合返回ture
????* @param str
????* @return boolean
????*/
???public static ?boolean isMobile(String str) {
???????return Regular(str,MOBILE);
???}
???/**
????* 判断是否为手机号码格式不校验正确性 符合返回ture
????* @param str
????* @return boolean
????*/
???public static ?boolean isMobileByFormat(String str) {
???????return Regular(str,MobileByFormat);
???}
???/**
????* 判断是否为Url 符合返回ture
????* @param str
????* @return boolean
????*/
???public static ?boolean isUrl(String str) {
???????return Regular(str,URL);
???}
???/**
????* 判断字段是否为数字 正负整数 正负浮点数 符合返回ture
????* @param str
????* @return boolean
????*/
???public static ?boolean isNumber(String str) {
???????return Regular(str,DOUBLE);
???}
???/**
????* 判断字段是否为INTEGER ?符合返回ture
????* @param str
????* @return boolean
????*/
???public static ?boolean isInteger(String str) {
???????return Regular(str,INTEGER);
???}
???/**
????* 判断字段是否为正整数正则表达式 >=0 符合返回ture
????* @param str
????* @return boolean
????*/
???public static ?boolean isINTEGER_NEGATIVE(String str) {
???????return Regular(str,INTEGER_NEGATIVE);
???}
???/**
????* 判断字段是否为负整数正则表达式 <=0 符合返回ture
????* @param str
????* @return boolean
????*/
???public static ?boolean isINTEGER_POSITIVE(String str) {
???????return Regular(str,INTEGER_POSITIVE);
???}
???/**
????* 判断字段是否为DOUBLE 符合返回ture
????* @param str
????* @return boolean
????*/
???public static ?boolean isDouble(String str) {
???????return Regular(str,DOUBLE);
???}
???/**
????* 判断字段是否为正浮点数正则表达式 >=0 符合返回ture
????* @param str
????* @return boolean
????*/
???public static ?boolean isDOUBLE_NEGATIVE(String str) {
???????return Regular(str,DOUBLE_NEGATIVE);
???}
???/**
????* 判断字段是否为负浮点数正则表达式 <=0 符合返回ture
????* @param str
????* @return boolean
????*/
???public static ?boolean isDOUBLE_POSITIVE(String str) {
???????return Regular(str,DOUBLE_POSITIVE);
???}
???/**
????* 判断字段是否为日期 符合返回ture
????* @param str
????* @return boolean
????*/
???public static ?boolean isDate(String str) {
???????return Regular(str,DATE_ALL);
???}
???/**
????* 验证2010-12-10
????* @param str
????* @return
????*/
???public static ?boolean isDate1(String str) {
???????return Regular(str,DATE_FORMAT1);
???}
???/**
????* 判断字段是否为年龄 符合返回ture
????* @param str
????* @return boolean
????*/
???public static ?boolean isAge(String str) {
???????return Regular(str,AGE) ;
???}
???/**
????* 判断字段是否超长
????* 字串为空返回fasle, 超过长度{leng}返回ture 反之返回false
????* @param str
????* @param leng
????* @return boolean
????*/
???public static ?boolean isLengOut(String str,int leng) {
???????return StrisNull(str)?false:str.trim().length() > leng ;
???}
???/**
????* 判断字段是否为身份证 符合返回ture
????* @param str
????* @return boolean
????*/
???public static ?boolean isIdCard(String str) {
???????if(StrisNull(str)) return false ;
???????if(str.trim().length() == 15 || str.trim().length() == 18) {
???????????return Regular(str,IDCARD);
???????}else {
???????????return false ;
???????}
???}
???/**
????* 判断字段是否为邮编 符合返回ture
????* @param str
????* @return boolean
????*/
???public static ?boolean isCode(String str) {
???????return Regular(str,CODE) ;
???}
???/**
????* 判断字符串是不是全部是英文字母
????* @param str
????* @return boolean
????*/
???public static boolean isEnglish(String str) {
???????return Regular(str,STR_ENG) ;
???}
???/**
????* 判断字符串是不是全部是英文字母+数字
????* @param str
????* @return boolean
????*/
???public static boolean isENG_NUM(String str) {
???????return Regular(str,STR_ENG_NUM) ;
???}
???/**
????* 判断字符串是不是全部是英文字母+数字+下划线
????* @param str
????* @return boolean
????*/
???public static boolean isENG_NUM_(String str) {
???????return Regular(str,STR_ENG_NUM_) ;
???}
???/**
????* 过滤特殊字符串 返回过滤后的字符串
????* @param str
????* @return boolean
????*/
???public static ?String filterStr(String str) {
???????Pattern p = Pattern.compile(STR_SPECIAL);
???????Matcher m = p.matcher(str);
???????return ??m.replaceAll("").trim();
???}
???/**
????* 校验机构代码格式
????* @return
????*/
???public static boolean isJigouCode(String str){
???????return Regular(str,JIGOU_CODE) ;
???}
???/**
????* 判断字符串是不是数字组成
????* @param str
????* @return boolean
????*/
???public static boolean isSTR_NUM(String str) {
???????return Regular(str,STR_NUM) ;
???}
???/**
????* 匹配是否符合正则表达式pattern 匹配返回true
????* @param str 匹配的字符串
????* @param pattern 匹配模式
????* @return boolean
????*/
???private static ?boolean Regular(String str,String pattern){
???????if(null == str || str.trim().length()<=0)
???????????return false;
???????Pattern p = Pattern.compile(pattern);
???????Matcher m = p.matcher(str);
???????return m.matches();
???}
???public static boolean isZhongEng(String str){
???????return Regular(str, ZH_ENG);
???}
???public static void main(String[] args) {
???????boolean mobileByFormat = isMobileByFormat("19011188161");
???}
}
=============================================================================================================================
//Controller代码如下: ?校验为true说明通过校验. 取反报错
if(!Validation.isInteger(page+"")){
???return AjaxResultUtil.fail("page必须是数字");
}
???if(!Validation.isInteger(rows+"")){
???return AjaxResultUtil.fail("rows必须是数字");
}校验总结:校验是否是中英文等等(1.正则校验 2.hibernate volidator)
原文地址：https://www.cnblogs.com/fan3516/p/10069316.html