From 177249c76aeea0b4bf8d8816d4994e3b445b45ce Mon Sep 17 00:00:00 2001 From: huanghongfa <huanghongfa123456> Date: 星期四, 02 九月 2021 10:39:34 +0800 Subject: [PATCH] Merge remote-tracking branch 'origin/zzj' into zzj --- springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/StringUtils.java | 282 ++++++++++++++++++++++++-------------------------------- 1 files changed, 122 insertions(+), 160 deletions(-) diff --git a/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/StringUtils.java b/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/StringUtils.java index 6d2c192..cb0209e 100644 --- a/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/StringUtils.java +++ b/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/StringUtils.java @@ -1,6 +1,5 @@ package com.panzhihua.common.utlis; - import java.util.*; import java.util.regex.Pattern; @@ -9,8 +8,7 @@ * * @author ruoyi */ -public class StringUtils extends org.apache.commons.lang3.StringUtils -{ +public class StringUtils extends org.apache.commons.lang3.StringUtils { /** 空字符串 */ private static final String NULLSTR = ""; @@ -20,168 +18,164 @@ /** * 获取参数不为空值 * - * @param value defaultValue 要判断的value + * @param value + * defaultValue 要判断的value * @return value 返回值 */ - public static <T> T nvl(T value, T defaultValue) - { + public static <T> T nvl(T value, T defaultValue) { return value != null ? value : defaultValue; } /** * * 判断一个Collection是否为空, 包含List,Set,Queue * - * @param coll 要判断的Collection + * @param coll + * 要判断的Collection * @return true:为空 false:非空 */ - public static boolean isEmpty(Collection<?> coll) - { + public static boolean isEmpty(Collection<?> coll) { return isNull(coll) || coll.isEmpty(); } /** * * 判断一个Collection是否非空,包含List,Set,Queue * - * @param coll 要判断的Collection + * @param coll + * 要判断的Collection * @return true:非空 false:空 */ - public static boolean isNotEmpty(Collection<?> coll) - { + public static boolean isNotEmpty(Collection<?> coll) { return !isEmpty(coll); } /** * * 判断一个对象数组是否为空 * - * @param objects 要判断的对象数组 + * @param objects + * 要判断的对象数组 ** @return true:为空 false:非空 */ - public static boolean isEmpty(Object[] objects) - { + public static boolean isEmpty(Object[] objects) { return isNull(objects) || (objects.length == 0); } /** * * 判断一个对象数组是否非空 * - * @param objects 要判断的对象数组 + * @param objects + * 要判断的对象数组 * @return true:非空 false:空 */ - public static boolean isNotEmpty(Object[] objects) - { + public static boolean isNotEmpty(Object[] objects) { return !isEmpty(objects); } /** * * 判断一个Map是否为空 * - * @param map 要判断的Map + * @param map + * 要判断的Map * @return true:为空 false:非空 */ - public static boolean isEmpty(Map<?, ?> map) - { + public static boolean isEmpty(Map<?, ?> map) { return isNull(map) || map.isEmpty(); } /** * * 判断一个Map是否为空 * - * @param map 要判断的Map + * @param map + * 要判断的Map * @return true:非空 false:空 */ - public static boolean isNotEmpty(Map<?, ?> map) - { + public static boolean isNotEmpty(Map<?, ?> map) { return !isEmpty(map); } /** * * 判断一个字符串是否为空串 * - * @param str String + * @param str + * String * @return true:为空 false:非空 */ - public static boolean isEmpty(String str) - { + public static boolean isEmpty(String str) { return isNull(str) || NULLSTR.equals(str.trim()); } /** * * 判断一个字符串是否为非空串 * - * @param str String + * @param str + * String * @return true:非空串 false:空串 */ - public static boolean isNotEmpty(String str) - { + public static boolean isNotEmpty(String str) { return !isEmpty(str); } /** * * 判断一个对象是否为空 * - * @param object Object + * @param object + * Object * @return true:为空 false:非空 */ - public static boolean isNull(Object object) - { + public static boolean isNull(Object object) { return object == null; } /** * * 判断一个对象是否非空 * - * @param object Object + * @param object + * Object * @return true:非空 false:空 */ - public static boolean isNotNull(Object object) - { + public static boolean isNotNull(Object object) { return !isNull(object); } /** * * 判断一个对象是否是数组类型(Java基本型别的数组) * - * @param object 对象 + * @param object + * 对象 * @return true:是数组 false:不是数组 */ - public static boolean isArray(Object object) - { + public static boolean isArray(Object object) { return isNotNull(object) && object.getClass().isArray(); } /** * 去空格 */ - public static String trim(String str) - { + public static String trim(String str) { return (str == null ? "" : str.trim()); } /** * 截取字符串 * - * @param str 字符串 - * @param start 开始 + * @param str + * 字符串 + * @param start + * 开始 * @return 结果 */ - public static String substring(final String str, int start) - { - if (str == null) - { + public static String substring(final String str, int start) { + if (str == null) { return NULLSTR; } - if (start < 0) - { + if (start < 0) { start = str.length() + start; } - if (start < 0) - { + if (start < 0) { start = 0; } - if (start > str.length()) - { + if (start > str.length()) { return NULLSTR; } @@ -191,43 +185,38 @@ /** * 截取字符串 * - * @param str 字符串 - * @param start 开始 - * @param end 结束 + * @param str + * 字符串 + * @param start + * 开始 + * @param end + * 结束 * @return 结果 */ - public static String substring(final String str, int start, int end) - { - if (str == null) - { + public static String substring(final String str, int start, int end) { + if (str == null) { return NULLSTR; } - if (end < 0) - { + if (end < 0) { end = str.length() + end; } - if (start < 0) - { + if (start < 0) { start = str.length() + start; } - if (end > str.length()) - { + if (end > str.length()) { end = str.length(); } - if (start > end) - { + if (start > end) { return NULLSTR; } - if (start < 0) - { + if (start < 0) { start = 0; } - if (end < 0) - { + if (end < 0) { end = 0; } @@ -243,14 +232,14 @@ * 转义{}: format("this is \\{} for {}", "a", "b") -> this is \{} for a<br> * 转义\: format("this is \\\\{} for {}", "a", "b") -> this is \a for b<br> * - * @param template 文本模板,被替换的部分用 {} 表示 - * @param params 参数值 + * @param template + * 文本模板,被替换的部分用 {} 表示 + * @param params + * 参数值 * @return 格式化后的文本 */ - public static String format(String template, Object... params) - { - if (isEmpty(params) || isEmpty(template)) - { + public static String format(String template, Object... params) { + if (isEmpty(params) || isEmpty(template)) { return template; } return StrFormatter.format(template, params); @@ -259,46 +248,45 @@ /** * 字符串转set * - * @param str 字符串 - * @param sep 分隔符 + * @param str + * 字符串 + * @param sep + * 分隔符 * @return set集合 */ - public static final Set<String> str2Set(String str, String sep) - { + public static final Set<String> str2Set(String str, String sep) { return new HashSet<String>(str2List(str, sep, true, false)); } /** * 字符串转list * - * @param str 字符串 - * @param sep 分隔符 - * @param filterBlank 过滤纯空白 - * @param trim 去掉首尾空白 + * @param str + * 字符串 + * @param sep + * 分隔符 + * @param filterBlank + * 过滤纯空白 + * @param trim + * 去掉首尾空白 * @return list集合 */ - public static final List<String> str2List(String str, String sep, boolean filterBlank, boolean trim) - { + public static final List<String> str2List(String str, String sep, boolean filterBlank, boolean trim) { List<String> list = new ArrayList<String>(); - if (StringUtils.isEmpty(str)) - { + if (StringUtils.isEmpty(str)) { return list; } // 过滤空白字符串 - if (filterBlank && StringUtils.isBlank(str)) - { + if (filterBlank && StringUtils.isBlank(str)) { return list; } String[] split = str.split(sep); - for (String string : split) - { - if (filterBlank && StringUtils.isBlank(string)) - { + for (String string : split) { + if (filterBlank && StringUtils.isBlank(string)) { continue; } - if (trim) - { + if (trim) { string = string.trim(); } list.add(string); @@ -310,10 +298,8 @@ /** * 下划线转驼峰命名 */ - public static String toUnderScoreCase(String str) - { - if (str == null) - { + public static String toUnderScoreCase(String str) { + if (str == null) { return null; } StringBuilder sb = new StringBuilder(); @@ -323,31 +309,23 @@ boolean curreCharIsUpperCase = true; // 下一字符是否大写 boolean nexteCharIsUpperCase = true; - for (int i = 0; i < str.length(); i++) - { + for (int i = 0; i < str.length(); i++) { char c = str.charAt(i); - if (i > 0) - { + if (i > 0) { preCharIsUpperCase = Character.isUpperCase(str.charAt(i - 1)); - } - else - { + } else { preCharIsUpperCase = false; } curreCharIsUpperCase = Character.isUpperCase(c); - if (i < (str.length() - 1)) - { + if (i < (str.length() - 1)) { nexteCharIsUpperCase = Character.isUpperCase(str.charAt(i + 1)); } - if (preCharIsUpperCase && curreCharIsUpperCase && !nexteCharIsUpperCase) - { + if (preCharIsUpperCase && curreCharIsUpperCase && !nexteCharIsUpperCase) { sb.append(SEPARATOR); - } - else if ((i != 0 && !preCharIsUpperCase) && curreCharIsUpperCase) - { + } else if ((i != 0 && !preCharIsUpperCase) && curreCharIsUpperCase) { sb.append(SEPARATOR); } sb.append(Character.toLowerCase(c)); @@ -359,18 +337,16 @@ /** * 是否包含字符串 * - * @param str 验证字符串 - * @param strs 字符串组 + * @param str + * 验证字符串 + * @param strs + * 字符串组 * @return 包含返回true */ - public static boolean inStringIgnoreCase(String str, String... strs) - { - if (str != null && strs != null) - { - for (String s : strs) - { - if (str.equalsIgnoreCase(trim(s))) - { + public static boolean inStringIgnoreCase(String str, String... strs) { + if (str != null && strs != null) { + for (String s : strs) { + if (str.equalsIgnoreCase(trim(s))) { return true; } } @@ -381,30 +357,25 @@ /** * 将下划线大写方式命名的字符串转换为驼峰式。如果转换前的下划线大写方式命名的字符串为空,则返回空字符串。 例如:HELLO_WORLD->HelloWorld * - * @param name 转换前的下划线大写方式命名的字符串 + * @param name + * 转换前的下划线大写方式命名的字符串 * @return 转换后的驼峰式命名的字符串 */ - public static String convertToCamelCase(String name) - { + public static String convertToCamelCase(String name) { StringBuilder result = new StringBuilder(); // 快速检查 - if (name == null || name.isEmpty()) - { + if (name == null || name.isEmpty()) { // 没必要转换 return ""; - } - else if (!name.contains("_")) - { + } else if (!name.contains("_")) { // 不含下划线,仅将首字母大写 return name.substring(0, 1).toUpperCase() + name.substring(1); } // 用下划线将原始字符串分割 String[] camels = name.split("_"); - for (String camel : camels) - { + for (String camel : camels) { // 跳过原始字符串中开头、结尾的下换线或双重下划线 - if (camel.isEmpty()) - { + if (camel.isEmpty()) { continue; } // 首字母大写 @@ -417,30 +388,22 @@ /** * 驼峰式命名法 例如:user_name->userName */ - public static String toCamelCase(String s) - { - if (s == null) - { + public static String toCamelCase(String s) { + if (s == null) { return null; } s = s.toLowerCase(); StringBuilder sb = new StringBuilder(s.length()); boolean upperCase = false; - for (int i = 0; i < s.length(); i++) - { + for (int i = 0; i < s.length(); i++) { char c = s.charAt(i); - if (c == SEPARATOR) - { + if (c == SEPARATOR) { upperCase = true; - } - else if (upperCase) - { + } else if (upperCase) { sb.append(Character.toUpperCase(c)); upperCase = false; - } - else - { + } else { sb.append(c); } } @@ -448,19 +411,18 @@ } @SuppressWarnings("unchecked") - public static <T> T cast(Object obj) - { - return (T) obj; + public static <T> T cast(Object obj) { + return (T)obj; } /** * 判断是否为数字格式不限制位数 + * * @param o - * 待校验参数 - * @return - * 如果全为数字,返回true;否则,返回false + * 待校验参数 + * @return 如果全为数字,返回true;否则,返回false */ - public static boolean isNumber(Object o){ - return (Pattern.compile("[0-9]*")).matcher(String.valueOf(o)).matches(); + public static boolean isNumber(Object o) { + return (Pattern.compile("[0-9]*")).matcher(String.valueOf(o)).matches(); } } \ No newline at end of file -- Gitblit v1.7.1