根據(jù)集合轉(zhuǎn)換成JsonArray[Gson工具包]集合,然后通過Gson工具類直接遍歷轉(zhuǎn)化List實(shí)體對象的過程洁灵。
//模擬服務(wù)端json數(shù)據(jù)
String json = "[\n" +
" {\n" +
" \"name\": \"張三\",\n" +
" \"code\": \"zhangsan\"\n" +
" },\n" +
" {\n" +
" \"name\": \"李四\",\n" +
" \"code\": \"lisi\"\n" +
" },\n" +
" {\n" +
" \"name\": \"王五\",\n" +
" \"code\": \"wangwu\"\n" +
" }\n" +
" ]";
List<PeopleInfo> peopleInfoList = parseString2List(json,PeopleInfo.class);
/**
* Gson字符串?dāng)?shù)組轉(zhuǎn)成List對象[泛型操作]
* author: JayGengi 60167
* email: gengy@chinaraising.com
* time: 2018/04/13 10:01
*/
public <T> List<T> parseString2List(String json,Class clazz) {
//泛型轉(zhuǎn)換
Type type = new ParameterizedTypeImpl(clazz);
List<T> list = new Gson().fromJson(json, type);
return list;
}
/**
* Gson解析不支持泛型螺戳，利用ParameterizedType獲取泛型參數(shù)類型
* author: JayGengi 60167
* email: gengy@chinaraising.com
* time: 2018/04/13 10:01
*/
private class ParameterizedTypeImpl implements ParameterizedType {
Class clazz;
public ParameterizedTypeImpl(Class clz) {
clazz = clz;
}
@Override
public Type[] getActualTypeArguments() {
//返回實(shí)際類型組成的數(shù)據(jù)
return new Type[]{clazz};
}
@Override
public Type getRawType() {
//返回原生類型境析，即HashMap
return List.class;
}
@Override
public Type getOwnerType() {
//返回Type對象
return null;
}
}
