增加按照单词数分割单词的功能

build.gradle

@@ -13,7 +13,7 @@ buildscript {
  jcenter()
  }
  dependencies {
- classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:1.2"
+ classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:1.6"
  classpath "org.jfrog.buildinfo:build-info-extractor-gradle:3.1.1"
  classpath 'com.netflix.nebula:gradle-extra-configurations-plugin:3.0.3'
  }

src/main/java/cn/wujc/util/StringUtils.java

@@ -27,7 +27,7 @@ public static Object stringToObject(String str, Class clz) {
  if (Date.class.isAssignableFrom(clz)) {
  try {
  str = str.trim();
- if(str.length() == 10){
+ if (str.length() == 10) {
  return new SimpleDateFormat("yyyy-MM-dd").parse(str);
  }
  return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse(str);
@@ -41,4 +41,30 @@ public static Object stringToObject(String str, Class clz) {
  public static String defaultIfBlank(final String str, final String defaultStr) {
  return StringUtils.isBlank(str) ? defaultStr : str;
  }
+
+ /**
+ * 将字符串转换为驼峰形式,例如 is_boy转换为isBoy
+ *
+ * @param value 要转换的字符串
+ * @param startWithLowerCase 转换后的字符串是否以小写开始
+ * @return
+ */
+ public static String camelize(String value, boolean startWithLowerCase) {
+ String[] strings = split(value.toLowerCase(), "_");
+ for (int i = startWithLowerCase ? 1 : 0; i < strings.length; i++) {
+ strings[i] = capitalize(strings[i]);
+ }
+ return StringUtils.join(strings);
+ }
+
+ /**
+ * 根据单词数分割字符串 abcd,按照2个单词分割为[ab,cd],按照3个单词分割为[abc,d]
+ *
+ * @param wordsCount 每几个单词进行分割
+ * @return
+ */
+ public static String[] split(String str, int wordsCount) {
+ String regex = "(?<=\\G\\w{" + wordsCount + "})";
+ return str.split(regex);
+ }
 }