修复HttpDownloader全局超时无效问题

hutool-json/src/test/java/cn/hutool/json/BeanToJsonTest.java

@@ -0,0 +1,29 @@
+package cn.hutool.json;
+
+import lombok.Data;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class BeanToJsonTest {
+	@Test
+	public void toJsonStrTest() {
+		final ReadParam readParam = new ReadParam();
+		readParam.setInitSpikeMac("a");
+		readParam.setMac("b");
+		readParam.setSpikeMac("c");
+		readParam.setBag("d");
+		readParam.setProjectId(123);
+
+		//Console.log(JSONUtil.toJsonStr(readParam));
+		Assert.assertEquals("{\"initSpikeMac\":\"a\",\"mac\":\"b\",\"spikeMac\":\"c\",\"bag\":\"d\",\"projectId\":123}", JSONUtil.toJsonStr(readParam));
+	}
+
+	@Data
+	private static class ReadParam{
+		private String initSpikeMac;
+		private String mac;
+		private String spikeMac;
+		private String bag;
+		private Integer projectId;
+	}
+}