fix bug

hutool-core/src/test/java/cn/hutool/core/net/RFC3986Test.java

@@ -14,4 +14,16 @@ public class RFC3986Test {
 		encode = RFC3986.QUERY_PARAM_VALUE.encode("a+1=b", CharsetUtil.CHARSET_UTF_8);
 		Assert.assertEquals("a+1=b", encode);
 	}
+
+	@Test
+	public void encodeQueryPercentTest(){
+		String encode = RFC3986.QUERY_PARAM_VALUE.encode("a=%b", CharsetUtil.CHARSET_UTF_8);
+		Assert.assertEquals("a=%25b", encode);
+	}
+
+	@Test
+	public void encodeQueryWithSafeTest(){
+		String encode = RFC3986.QUERY_PARAM_VALUE.encode("a=%25", CharsetUtil.CHARSET_UTF_8, '%');
+		Assert.assertEquals("a=%25", encode);
+	}
 }

hutool-core/src/test/java/cn/hutool/core/net/UrlBuilderTest.java

@@ -405,4 +405,18 @@ public class UrlBuilderTest {
 		params.forEach(builder::addQuery);
 		Assert.assertEquals("http://127.0.0.1/devicerecord/list?start=2022-03-31%2000:00:00&end=2022-03-31%2023:59:59&page=1&limit=10", builder.toString());
 	}
+
+	@Test
+	public void issue2242Test(){
+
+	}
+
+	@Test
+	public void issue2243Test(){
+		// https://github.com/dromara/hutool/issues/2243
+		// 如果用户已经做了%编码，不应该重复编码
+		String url = "https://hutool.cn/v1.0?privateNum=%2B8616512884988";
+		final String s = UrlBuilder.of(url, null).setCharset(CharsetUtil.CHARSET_UTF_8).toString();
+		Assert.assertEquals(url, s);
+	}
 }