package com.alibaba.json.test.jackson; import java.util.Map; import com.fasterxml.jackson.core.JsonParser.Feature; import com.fasterxml.jackson.databind.ObjectMapper; import junit.framework.TestCase; public class JacksonTest extends TestCase { public void test_0() throws Exception { ObjectMapper mapper = new ObjectMapper(); mapper.configure(Feature.ALLOW_UNQUOTED_FIELD_NAMES, true); mapper.readValue("{a:3}", Map.class); } public void test_1() throws Exception { Model model = new Model(); model.id = 1001; ObjectMapper mapper = new ObjectMapper(); String text = mapper.writeValueAsString(model); System.out.println(text); } public static class Model { public int id; } }