后台数据校验

来源：互联网发布：知乎金庸古龙编辑：程序博客网时间：2024/06/05 14:46

package validate;

import java.text.SimpleDateFormat;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.commons.lang3.StringUtils;

/**
* @author lkw
* @time 2015年11月30日
* @email lukw@eastcom-sw.com
*/
public class validateExcel {

public static String validateExcelFormat(String value ,Map<String,Object> rules,String type){    StringBuffer message = new StringBuffer();    String validate = isRequired(value,rules);    getMessage(message, validate);    if(StringUtils.isNotBlank(validate))        return message.toString();    if("TEXTFIELD".equals(type)){        validate = validateTextField(value,rules);        getMessage(message, validate);    }else if("TEXTAREA".equals(type)){        validate = validateTextArea(value,rules);        getMessage(message, validate);    }else if("DATETIME".equals(type)){        validate = validateDateTime(value);        getMessage(message, validate);    }else if("INTEGERFIELD".equals(type)){        validate = validateInteger(value);        getMessage(message, validate);    }else if("DOUBLEFIELD".equals(type)){        validate = validateDouble(value);        getMessage(message, validate);    }else if("PHONEFIELD".equals(type)){        validate = validatePhoneNo(value);        getMessage(message, validate);    }else if("EMAILFIELD".equals(type)){        validate = validateEmail(value);        getMessage(message, validate);    }else if("IP".equals(type)){        validate = validateIP(value);        getMessage(message, validate);    }    return message.toString();}private static String validateTextArea(String value,Map<String,Object> rules){    return null;}private static String validateTextField(String value,Map<String,Object> map){    StringBuffer message = new StringBuffer();    String validate = null;    Object length = map.get("minLength");    if(length != null){        int minLength = Integer.valueOf(String.valueOf(map.get("minLength")));        validate = minLenght(value, minLength);        getMessage(message, validate);    }    length = map.get("maxLength");    if(length != null){        int minLength = Integer.valueOf(String.valueOf(map.get("minLength")));        validate = maxLength(value, minLength);        getMessage(message, validate);    }    return message.toString();}private static String validateDateTime(String value) {    // 指定日期格式为四位年/两位月份/两位日期，注意yyyy/MM/dd区分大小写；    SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd");    // 设置lenient为false.否则SimpleDateFormat会比较宽松地验证日期，比如2007/02/29会被接受，并转换成2007/03/01    dateFormat.setLenient(false);    boolean flag = true;    try {        dateFormat.parse(value);    } catch (Exception e) {        flag = false;    }    if(!flag)        return "请输入正确的日期";    return null;}private static String validateInteger(String value) {    Pattern pattern = Pattern.compile("^[-\\+]?[\\d]*$");    if(!pattern.matcher(value).matches())        return "请输入正确的整数";    return null;

// Pattern pattern = Pattern.compile(“[0-9]*”);
// return pattern.matcher(str).matches();
}

private static String validateDouble(String value) {    boolean flag = true;    try {        Double.parseDouble(value);    } catch (NumberFormatException ex) {        flag = false;    }    if(!flag)        return "请输入正确的数字";    return null;}private static String maxLength(String value ,int length){    if(StringUtils.isNotBlank(value)&&value.length()>length)        return "超过最大长度";    return null;}private static String minLenght(String value ,int length){    if(StringUtils.isNotBlank(value)&&value.length()<length)        return "最小长度为" + length;    return null;}private static String validatePhoneNo(String value) {    String check = "^(13[4,5,6,7,8,9]|15[0,8,9,1,7]|188|187)\\d{8}$";    Pattern regex = Pattern.compile(check);    Matcher matcher = regex.matcher(value);    if(!matcher.matches())        return "请输入正确的手机号码 !!   ";    return null;}private static String validateEmail(String value) {     String check = "^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$";         Pattern regex = Pattern.compile(check);         Matcher matcher = regex.matcher(value);         if(!matcher.matches())        return "请输入正确的邮箱!!  ";    return null;}private static String isRequired(String value,Map<String,Object> rules){    Boolean flag = (Boolean)rules.get("isNull");    if(flag && StringUtils.isBlank(value))        return "为必填项";    else         return null;}private static String validateIP(String value){    String ip ="\\b((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\.((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\.((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\.((?!\\d\\d\\d)\\d+|1\\d\\d|2[0-4]\\d|25[0-5])\\b";       Pattern pattern = Pattern.compile(ip);       Matcher matcher = pattern.matcher(value);       if(!matcher.matches())        return "请输入正确的ip地址";    return null;}private static void getMessage(StringBuffer message, String validate) {    if(StringUtils.isNotBlank(validate))        message.append(validate);}public static void main(String[] args) {    Map<String,Object> rules = new HashMap<String, Object>();    rules.put("minLength", 5);    rules.put("maxLength", 10);    rules.put("isNull", false);    String type = "IP";    String value ="192.168.1.1333";    String message =  validateExcelFormat(value, rules, type);    System.out.println("message = "+message);}

}

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