json解析-----超简单的工具

<dependency>
<groupId>us.codecraft</groupId>
<artifactId>webmagic-core</artifactId>
<version>0.7.3</version>
</dependency>

import java.util.List;

import us.codecraft.webmagic.selector.JsonPathSelector;

public class JsonSelect {

public static void main(String[] args) {
//json字符串
String jsonStr = "{\"head\": [  {\"text\":\"广州\",\"id\":\"广州\",\"pid\":\"广东省\"},  {\"text\":\"郑州\",\"id\":\"郑州\",\"pid\":\"河南省\"}] } ";

//字符串转json
//      JSONObject json = JSONObject.parseObject(jsonStr);

//json解析获得所有text
List<String> id = new JsonPathSelector("$.head[*].text").selectList(jsonStr);

//获取郑州
String  city = new JsonPathSelector("$.head[1].text").select(jsonStr);

//
System.out.println(id.toString());

System.out.println(city);
}

}