List转换json
1、导包(json-lib)
2、书写代码
import java.util.ArrayList;
import java.util.List;
import org.junit.Test;
import net.sf.json.JSONArray;
public class List2JsonTest {
@Test
public void fun1() {
List<String> list = new ArrayList<>();
list.add("tom");
list.add("jerry");
list.add("zhangsan");
list.add("lisi");
JSONArray json = JSONArray.fromObject(list);
System.out.println(json);
}
}
运行结果:
["tom","jerry","zhangsan","lisi"]