fix code

hutool-http/src/test/java/org/dromara/hutool/http/HttpUtilTest.java

@@ -185,10 +185,9 @@ public class HttpUtilTest {
 	@Test
 	@Disabled
 	public void getPicTest(){
-		HttpGlobalConfig.setDecodeUrl(false);
 		final String url = "https://p3-sign.douyinpic.com/tos-cn-i-0813/f41afb2e79a94dcf80970affb9a69415~noop.webp?x-expires=1647738000&x-signature=%2Br1ekUCGjXiu50Y%2Bk0MO4ovulK8%3D&from=4257465056&s=PackSourceEnum_DOUYIN_REFLOW&se=false&sh=&sc=&l=2022021809224601020810013524310DD3&biz_tag=aweme_images";
 
-		final String body = HttpUtil.send(Request.of(url)).bodyStr();
+		final String body = HttpUtil.send(Request.of(url, null)).bodyStr();
 		Console.log(body);
 	}
 

hutool-http/src/test/java/org/dromara/hutool/http/RequestTest.java

@@ -31,13 +31,15 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 /**
  * {@link Request}单元测试
  *
  * @author Looly
  */
 @SuppressWarnings("resource")
-public class HttpRequestTest {
+public class RequestTest {
 	final String url = "http://photo.qzone.qq.com/fcgi-bin/fcg_list_album?uin=88888&outstyle=2";
 
 	@Test
@@ -238,4 +240,21 @@ public class HttpRequestTest {
 		final Response httpResponse = Request.of("http://82.157.17.173:8100/app/getAddress").send();
 		Console.log(httpResponse.body());
 	}
+
+	@Test
+	void percentTest() {
+		// 此处URL有歧义
+		// 如果用户需要传的a的值为`%`，则这个URL表示已经编码过了，此时需要解码后再重新编码，保持不变
+		Request request = Request.of("http://localhost:9999/a?a=%25", CharsetUtil.UTF_8);
+		assertEquals("http://localhost:9999/a?a=%25", request.handledUrl().toURL().toString());
+
+		// 不传charset，则保留原样，不做任何处理
+		request = Request.of("http://localhost:9999/a?a=%25", null);
+		assertEquals("http://localhost:9999/a?a=%25", request.handledUrl().toURL().toString());
+
+		// 如果用户需要传的a的值为`%25`，则这个URL表示未编码，不需要解码，需要对`%`再次编码
+		request = Request.of("http://localhost:9999/a?a=%25", null);
+		request.setEncodeUrl(true);
+		assertEquals("http://localhost:9999/a?a=%2525", request.handledUrl().toURL().toString());
+	}
 }