fix: 大写下滑下列名转驼峰问题, 新增toLowerCamel 方法搞定

修改前: CREATE_TIME -> cREATETIME 修改后: CREATE_TIME -> createTime
2026-09-06 16:29:59 +08:00 · 2024-01-27 00:05:02 +08:00
parent 8515dd3110
commit 48054f3a6b
4 changed files with 124 additions and 12 deletions
--- a/generator-web/src/test/java/com/softdev/system/generator/util/StringUtilsTest.java
+++ b/generator-web/src/test/java/com/softdev/system/generator/util/StringUtilsTest.java
@@ -0,0 +1,81 @@
+package com.softdev.system.generator.util;
+
+import org.junit.Test;
+
+import static junit.framework.TestCase.assertEquals;
+import static junit.framework.TestCase.assertTrue;
+import static org.junit.Assert.assertFalse;
+
+public class StringUtilsTest {
+
+    @Test
+    public void toLowerCamel() {
+        System.out.println(StringUtils.toLowerCamel("hello_world"));
+        System.out.println(StringUtils.toLowerCamel("HELLO_WO-RLD-IK"));
+        System.out.println(StringUtils.toLowerCamel("HELLO_WORLD-IKabc"));
+        System.out.println(StringUtils.toLowerCamel("HELLO-WORLD-IKabc"));
+        System.out.println(StringUtils.toLowerCamel("HELLO-123WORLD-IKabc"));
+        System.out.println(StringUtils.toLowerCamel("helloWorldOKla"));
+        assertEquals("helloWorldChina", StringUtils.toLowerCamel("hello_-_world-cHina"));
+    }
+
+    @Test
+    public void upperCaseFirstShouldReturnStringWithFirstLetterCapitalized() {
+        assertEquals("Hello", StringUtils.upperCaseFirst("hello"));
+    }
+
+    @Test
+    public void upperCaseFirstShouldReturnEmptyStringWhenInputIsEmpty() {
+        assertEquals("", StringUtils.upperCaseFirst(""));
+    }
+
+    @Test
+    public void lowerCaseFirstShouldReturnStringWithFirstLetterLowercased() {
+        assertEquals("hello", StringUtils.lowerCaseFirst("Hello"));
+    }
+
+    @Test
+    public void lowerCaseFirstShouldReturnEmptyStringWhenInputIsEmpty() {
+        assertEquals("", StringUtils.lowerCaseFirst(""));
+    }
+
+    @Test
+    public void underlineToCamelCaseShouldReturnCamelCaseString() {
+        assertEquals("helloWorld", StringUtils.underlineToCamelCase("hello_world"));
+    }
+
+    @Test
+    public void underlineToCamelCaseShouldReturnEmptyStringWhenInputIsEmpty() {
+        assertEquals("", StringUtils.underlineToCamelCase(""));
+    }
+
+    @Test
+    public void toUnderlineShouldReturnUnderlinedString() {
+        assertEquals("hello_world", StringUtils.toUnderline("helloWorld", false));
+    }
+
+    @Test
+    public void toUnderlineShouldReturnEmptyStringWhenInputIsEmpty() {
+        assertEquals("", StringUtils.toUnderline("", false));
+    }
+
+    @Test
+    public void toCamelShouldReturnCamelCaseString() {
+        assertEquals("helloWorld", StringUtils.toLowerCamel("hello_world"));
+    }
+
+    @Test
+    public void toCamelShouldReturnEmptyStringWhenInputIsEmpty() {
+        assertEquals("", StringUtils.toLowerCamel(""));
+    }
+
+    @Test
+    public void isNotNullShouldReturnTrueWhenStringIsNotEmpty() {
+        assertTrue(StringUtils.isNotNull("hello"));
+    }
+
+    @Test
+    public void isNotNullShouldReturnFalseWhenStringIsEmpty() {
+        assertFalse(StringUtils.isNotNull(""));
+    }
+}