248 lines
10 KiB
Java
248 lines
10 KiB
Java
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package ink.wgink.util;
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import ink.wgink.annotation.*;
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import ink.wgink.exceptions.ParamsException;
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import ink.wgink.exceptions.base.SystemException;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.commons.lang3.math.NumberUtils;
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import java.lang.reflect.Field;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.regex.Pattern;
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/**
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* @ClassName: BeanPropertyCheckUtil
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* @Description: 对象属性检查工具
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* @Author: wanggeng
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* @Date: 2021/8/19 2:03 下午
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* @Version: 1.0
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*/
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public class BeanPropertyCheckUtil {
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/**
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* 校验字段
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*
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* @param object
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* @throws ParamsException
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*/
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public static void checkField(Object object) throws ParamsException {
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if (object == null) {
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return;
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}
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Class<?> clazz = object.getClass();
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List<Field> fields = new ArrayList<>(Arrays.asList(clazz.getDeclaredFields()));
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setSuperClassField(clazz, fields);
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Method[] methods = clazz.getMethods();
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try {
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for (Field field : fields) {
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Method method = getGetMethodByField(methods, field.getName());
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if (method == null) {
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continue;
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}
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Object fieldValue = method.invoke(object);
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if (field.isAnnotationPresent(CheckNullAnnotation.class)) {
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CheckNullAnnotation checkNullAnnotation = field.getAnnotation(CheckNullAnnotation.class);
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if (fieldValue == null) {
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throw new ParamsException(String.format("%s不能为空", checkNullAnnotation.name()));
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}
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checkTypes(checkNullAnnotation.name(), fieldValue.toString(), checkNullAnnotation.types());
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} else if (field.isAnnotationPresent(CheckEmptyAnnotation.class)) {
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CheckEmptyAnnotation checkEmptyAnnotation = field.getAnnotation(CheckEmptyAnnotation.class);
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if (fieldValue == null || StringUtils.isBlank(fieldValue.toString())) {
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throw new ParamsException(String.format("%s不能为空或空串", checkEmptyAnnotation.name()));
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}
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checkRegular(checkEmptyAnnotation.name(), fieldValue.toString(), checkEmptyAnnotation.verifyType(), checkEmptyAnnotation.regex());
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checkTypes(checkEmptyAnnotation.name(), fieldValue.toString(), checkEmptyAnnotation.types());
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} else if (field.isAnnotationPresent(CheckNumberAnnotation.class)) {
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CheckNumberAnnotation checkNumberAnnotation = field.getAnnotation(CheckNumberAnnotation.class);
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if (fieldValue == null || !NumberUtils.isNumber(fieldValue.toString())) {
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throw new ParamsException(String.format("%s必须为数字", checkNumberAnnotation.name()));
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}
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Double value = Double.parseDouble(fieldValue.toString());
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if (value < checkNumberAnnotation.min()) {
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throw new ParamsException(String.format("%s最小值为%f", checkNumberAnnotation.name(), checkNumberAnnotation.min()));
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}
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if (value > checkNumberAnnotation.max()) {
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throw new ParamsException(String.format("%s最大值为%f", checkNumberAnnotation.name(), checkNumberAnnotation.max()));
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}
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checkTypes(checkNumberAnnotation.name(), fieldValue.toString(), checkNumberAnnotation.types());
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} else if (field.isAnnotationPresent(CheckBooleanAnnotation.class)) {
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CheckBooleanAnnotation checkBooleanAnnotation = field.getAnnotation(CheckBooleanAnnotation.class);
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if (fieldValue == null) {
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throw new ParamsException(String.format("%s必须为布尔", checkBooleanAnnotation.name()));
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}
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checkTypes(checkBooleanAnnotation.name(), fieldValue.toString(), checkBooleanAnnotation.types());
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} else if (field.isAnnotationPresent(CheckListAnnotation.class)) {
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CheckListAnnotation checkListAnnotation = field.getAnnotation(CheckListAnnotation.class);
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if (fieldValue == null) {
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throw new ParamsException(String.format("%s不能为空", checkListAnnotation.name()));
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}
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if (fieldValue instanceof List) {
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List fieldValueList = (List) fieldValue;
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if (fieldValueList.isEmpty()) {
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throw new ParamsException(String.format("%s不能为空", checkListAnnotation.name()));
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}
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}
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}
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if (field.isAnnotationPresent(CheckBeanAnnotation.class)) {
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if (fieldValue == null) {
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continue;
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}
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checkField(fieldValue);
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}
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if (field.isAnnotationPresent(CheckListBeanAnnotation.class)) {
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if (fieldValue instanceof List) {
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List fieldValueList = (List) fieldValue;
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if (fieldValueList == null || fieldValueList.isEmpty()) {
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continue;
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}
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for (Object obj : fieldValueList) {
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checkField(obj);
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}
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}
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}
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}
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} catch (IllegalAccessException | InvocationTargetException e) {
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e.printStackTrace();
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throw new SystemException("系统错误");
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}
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}
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/**
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* 检查类型
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*
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* @param name
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* @param value
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* @param types
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* @throws ParamsException
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*/
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private static void checkTypes(String name, String value, String[] types) throws ParamsException {
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if (types != null && types.length > 0) {
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StringBuilder typeSB = new StringBuilder();
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for (String type : types) {
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if (StringUtils.equals(value, type)) {
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return;
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}
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if (typeSB.length() > 0) {
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typeSB.append(",");
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}
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typeSB.append("\"").append(type).append("\"");
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}
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throw new ParamsException(String.format("%s必须是如下类型：[%s]", name, typeSB.toString()));
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}
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}
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/**
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* 检查正则
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*
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* @param name
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* @param value
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* @param verifyType
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* @param regex
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*/
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private static void checkRegular(String name, String value, String verifyType, String regex) {
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if (StringUtils.isBlank(verifyType)) {
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return;
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}
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if (StringUtils.equals("username", verifyType)) {
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if (!RegexUtil.isUsername(value)) {
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throw new ParamsException(String.format("%s格式只能包含字母、数字、-_!@#%.", name));
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}
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return;
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} else if (StringUtils.equals("phone", verifyType)) {
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if (!RegexUtil.isPhone(value)) {
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throw new ParamsException(String.format("%s格式非手机格式", name));
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}
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return;
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} else if (StringUtils.equals("email", verifyType)) {
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if (!RegexUtil.isEmail(value)) {
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throw new ParamsException(String.format("%s格式非邮件格式", name));
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}
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return;
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} else if (StringUtils.equals("url", verifyType)) {
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if (!RegexUtil.isUrl(value)) {
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throw new ParamsException(String.format("%s格式非url格式", name));
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}
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return;
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} else if (StringUtils.equals("number", verifyType)) {
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if (!NumberUtils.isNumber(value)) {
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throw new ParamsException(String.format("%s格式非数字格式", name));
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}
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return;
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} else if (StringUtils.equals("date", verifyType)) {
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if (!RegexUtil.isDate(value)) {
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throw new ParamsException(String.format("%s格式非日期格式", name));
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}
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return;
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} else if (StringUtils.equals("datetime", verifyType)) {
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if (!RegexUtil.isDatetime(value)) {
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throw new ParamsException(String.format("%s格式非时间戳格式", name));
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}
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return;
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} else if (StringUtils.equals("identity", verifyType)) {
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if (!RegexUtil.isIdentity(value)) {
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throw new ParamsException(String.format("%s格式非身份证格式", name));
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}
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return;
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} else if (StringUtils.equals("letter", verifyType)) {
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if (!RegexUtil.isLetter(value)) {
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throw new ParamsException(String.format("%s格式非字母格式", name));
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}
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return;
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} else if (StringUtils.equals("chinese", verifyType)) {
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if (!RegexUtil.isLetter(value)) {
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throw new ParamsException(String.format("%s格式非中文格式", name));
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}
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return;
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} else if (StringUtils.equals("custom", verifyType)) {
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if (StringUtils.isBlank(regex)) {
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return;
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}
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if (!Pattern.compile(regex).matcher(value).matches()) {
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throw new ParamsException(String.format("%s格式不正确", name));
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}
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}
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}
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/**
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* 通过字段获取get方法
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*
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* @param methods
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* @param fieldName
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* @return
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*/
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public static Method getGetMethodByField(Method[] methods, String fieldName) {
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String getMethodName = String.format("get%s", fieldName).toLowerCase();
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for (Method method : methods) {
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if (StringUtils.equals(getMethodName, method.getName().toLowerCase())) {
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return method;
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}
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}
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return null;
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}
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/**
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* 设置父类属性列表
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*
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* @param clazz
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* @param fields
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*/
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private static void setSuperClassField(Class<?> clazz, List<Field> fields) {
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Class<?> superClazz = clazz.getSuperclass();
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if (superClazz == null) {
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return;
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}
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Field[] superFields = superClazz.getDeclaredFields();
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if (superFields == null) {
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return;
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}
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fields.addAll(Arrays.asList(superFields));
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setSuperClassField(superClazz, fields);
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}
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}
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