fastjson与各类型转换

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fastJson依赖

xml

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>fastjson</artifactId>
    <version>1.2.75</version>
</dependency>

java

public static Map<String,Object> json2Map(String json){ 
  return JSON.parseObject(json, Map.class); 
}

java

public static JSONObject map2Json(Map<String,Object> itemMap){ 
    return JSONObject.parseObject(JSON.toJSONString(itemMap));
}

java

Person person = JSON.parseObject(jsonString, Person.class);

java

List<Person> listPerson =JSON.parseArray(jsonString, Person.class);

java

List<String> listString = JSON.parseArray(jsonString, String.class);

java

List<Map<String, Object>> listMap = JSON.parseObject(jsonString, new TypeReference<List<Map<String,Object>>>(){});

java

JSONArray ja = JSONArray.parseArray(JSON.toJSONString(itemList));